clean TAS57xx - release

Add support for WM8978 i2c dac

.github/workflows/CrossBuild.yml

@@ -114,6 +114,7 @@ jobs:
           build/size_comp2.txt
           partitions.csv
           sdkconfig
+          server_certs/github.pem
           build_output.zip
     - uses: actions/upload-artifact@v2
       with:

README.md

@@ -13,7 +13,7 @@ But squeezelite-esp32 is highly extensible and you can add
 
 - Buttons and Rotary Encoder and map/combine them to various functions (play, pause, volume, next ...)
 - IR receiver (no pullup resistor or capacitor needed, just the 38kHz receiver)
-- Monochrome, GrayScale or Color displays using SPI or I2S (supported drivers are SH1106, SSD1306, SSD1322, SSD1326/7, SSD1351, ST7735, ST7789 and IL9341).
+- Monochrome, GrayScale or Color displays using SPI or I2C (supported drivers are SH1106, SSD1306, SSD1322, SSD1326/7, SSD1351, ST7735, ST7789 and ILI9341).
 
 Other features include
 
@@ -23,18 +23,27 @@ Other features include
  - Full web interface for further configuration/management
  - Firmware over-the-air update 
 
-**Important note** (philippe44 writing)
+## Performances 
+*(opinions presented here so I = @philippe44)*
+The main build of squeezelite-esp32 is a 16 bits internal core with all calculations in 32 bits or float precision. This is a design choice I've made to preserve CPU performances (it is already stretching a lot the esp32 chipset) and optimize memory usage as we only have 4MB of usable RAM. Some might correctly comment that the WROVER module have 8MB of RAM, but the processor is only able to address 4MB and the remaining 4MB must be paginated by smaller blocks and I don't have patience to that. 
 
-The main build of squeezelite-esp32 is a 16 bits internal core with all calculations in 32 bits or float precision. This is a design choice I've made to preserve CPU performances (it is already stretching a lot the esp32 chipset) and optimize memory usage as we only have 4MB of usable RAM. Now, when I did the porting of squeezelite to esp32, I've also made the core 16 or 32 bits compatible at compile-time. So far, it works in 32 bits but very little tests have been done. You can chose to compile it in 32 bits mode. Note the following limitation in 32 bits
+Now, when I did the porting of squeezelite to esp32, I've also made the core 16 or 32 bits compatible at compile-time. So far, it works in 32 bits but less tests have been done. You can chose to compile it in 32 bits mode. I'm not very interested above 16 bits samples because it does not bring anything (I have an engineering background in theory of information). 
 
-- no resampling
-- no equalizer
-- buffer are smaller, so crossfade will be at best 5s at 44.1 kHz
-- SPDIF is 20 bits maximum *(1)*
-- display will be slower
+| Capability                 |16 bits|32 bits| comment         						         |	
+|----------------------------|-------|-------|-------------------------------------------------------------------|
+| max sampling rate          |  192k |  96k  | 192k is very challenging, especially when combined with display   |
+| max bit depth              |  16   |  24   | 24 bits are truncated in 16 bits mode                             | 
+| spdif			     |16 bits|20 bits|		                                                         |
+| mp3, aac, opus, ogg/vorbis |  48k  |  48k  |		                                                         |
+| alac, flac, ogg/flac       |  96k  |  96k  | 		                                                         |
+| pcm, wav, aif              |  192k |  96k  |		                                                         |
+| equalizer                  |   Y   |   N   | 48kHz max (after resampling) - equalization skipped on 96k tracks |
+| resampling                 |   Y   |   N   |		                                                         |
+| cross-fade                 |  10s  |  <5s  | depends on buffer size and sampling rate		                 |
 
-I've not tested all codecs, I've only verified it with TAS57xx DAC and in general I've not tested that mode more than a few minutes. I'm not very interested above 16 bits samples because it does not bring anything (I have an engineering background in theory of information). On memory Some might correctly comment that wrover module have 8MB of RAM, but the processor is only able to address 4MB and the remaining 4MB must be paginated by smaller blocks and I don't have patience to that.
+The esp32 must run at 240 MHz, with Quad-SPI I/O at 80 MHz and a clock of 40 Mhz. Still, it's a lot to run, especially knowing that it has a serial Flash and PSRAM, so kudos to Espressif for their chipset optimization. Now, to have all the decoding, resampling, equalizing, gain, display, spectrum/vu is a very (very) delicate equilibrium between use of internal /external RAM, tasks priorities and buffer handling. It is not perfect and the more you push the system to the limit, the higher the risk that some files would not play (see below). In general, the display will always have the lowest priority and you'll notice slowdown in scrolling and VU/Spectrum refresh rates. Now, even display thread has some critical section and impacts the capabilities. For example, a 16 bits-depth color display with low SPI speed might prevent 24/96 flac to work but still work with pcm 24/96
 
+In 16 bits mode, although 192 kHz is reported as max rate, it's highly recommended to limit reported sampling rate to 96k (-Z 96000). Note that some high-speed 24/96k on-line streams might stutter because of TCP/IP stack performances. It is usually due to the fact that the server sends small packets of data and the esp32 cannot receive encoded audio fast enough, regardless of task priority settings (I've tried to tweak that a fair bit). The best option in that case is to let LMS proxy the stream as it will provide larger chunks and a "smoother" stream that can then be handled.
 ## Supported Hardware
 Any esp32-based hardware with at least 4MB of flash and 4MB of PSRAM will be capable of running squeezelite-esp32 and there are various boards that include such chip. A few are mentionned below, but any should work. You can find various help & instructions [here](https://forums.slimdevices.com/showthread.php?112697-ANNOUNCE-Squeezelite-ESP32-(dedicated-thread))
 ### Raw WROVER module
@@ -163,7 +172,7 @@ Ground -------------------------- coax signal ground
 The NVS parameter "display_config" sets the parameters for an optional display. Syntax is
 ```
 I2C,width=<pixels>,height=<pixels>[address=<i2c_address>][,reset=<gpio>][,HFlip][,VFlip][driver=SSD1306|SSD1326[:1|4]|SSD1327|SH1106]
-SPI,width=<pixels>,height=<pixels>,cs=<gpio>[,back=<gpio>][,reset=<gpio>][,speed=<speed>][,HFlip][,VFlip][driver=SSD1306|SSD1322|SSD1326[:1|4]|SSD1327|SH1106|SSD1675|ST7735|ST7789[,rotate]]
+SPI,width=<pixels>,height=<pixels>,cs=<gpio>[,back=<gpio>][,reset=<gpio>][,speed=<speed>][,HFlip][,VFlip][driver=SSD1306|SSD1322|SSD1326[:1|4]|SSD1327|SH1106|SSD1675|ST7735|ST7789|ILI9341[:16|18][,rotate]]
 ```
 - back: a LED backlight used by some older devices (ST7735). It is PWM controlled for brightness
 - reset: some display have a reset pin that is should normally be pulled up if unused
@@ -179,7 +188,7 @@ SPI,width=<pixels>,height=<pixels>,cs=<gpio>[,back=<gpio>][,reset=<gpio>][,speed
 - SSD1675 is an e-ink paper and is experimental as e-ink is really not suitable for LMS du to its very low refresh rate
 - ST7735 is a 128x160 65k color SPI [here](https://www.waveshare.com/product/displays/lcd-oled/lcd-oled-3/1.8inch-lcd-module.htm). This needs a backlight control
 - ST7789 is a 240x320 65k (262k not enabled) color SPI [here](https://www.waveshare.com/product/displays/lcd-oled/lcd-oled-3/2inch-lcd-module.htm). It also exist with 240x240 displays. See **rotate** for use in portrait mode
-- IL9341 is another 240x320 65k (262k capable) color SPI. I've not used it much, the driver it has been provided by one external contributor to the project
+- ILI9341 is another 240x320 65k (262k capable) color SPI. I've not used it much, the driver it has been provided by one external contributor to the project
 
 To use the display on LMS, add repository https://raw.githubusercontent.com/sle118/squeezelite-esp32/master/plugin/repo.xml. You will then be able to tweak how the vu-meter and spectrum analyzer are displayed, as well as size of artwork. You can also install the excellent plugin "Music Information Screen" which is super useful to tweak the layout.
 

components/platform_console/cmd_config.c

@@ -70,7 +70,7 @@ typedef enum {
 } parse_state_t;
 static const char *TAG = "cmd_config";
 extern struct arg_end *getParmsEnd(struct arg_hdr * * argtable);
-//bck=<gpio>,ws=<gpio>,do=<gpio>[,mute=<gpio>[:0|1][,model=TAS57xx|TAS5713|AC101|I2S][,sda=<gpio>,scl=gpio[,i2c=<addr>]]
+//bck=<gpio>,ws=<gpio>,do=<gpio>[,mute=<gpio>[:0|1][,model=TAS57xx|TAS5713|AC101|WM8978|I2S][,sda=<gpio>,scl=gpio[,i2c=<addr>]]
 static struct {
 	struct arg_str *model_name;
     struct arg_int *clock;
@@ -774,7 +774,7 @@ static char * get_log_level_options(const char * longname){
 	return options;
 }
 static void register_i2s_config(void){
-	i2s_args.model_name = arg_str1(NULL,"model_name","TAS57xx|TAS5713|AC101|I2S","DAC Model Name");
+	i2s_args.model_name = arg_str1(NULL,"model_name","TAS57xx|TAS5713|AC101|WM8978|I2S","DAC Model Name");
 	i2s_args.clear = arg_lit0(NULL, "clear", "Clear configuration");
     i2s_args.clock = arg_int1(NULL,"clock","<n>","Clock GPIO. e.g. 33");
     i2s_args.wordselect = arg_int1(NULL,"wordselect","<n>","Word Select GPIO. e.g. 25");

components/services/battery.c

@@ -51,8 +51,9 @@ float battery_value_svc(void) {
  * 
  */
 uint8_t battery_level_svc(void) {
-	// TODO: this is totally incorrect
-	return battery.avg ? (battery.avg - (3.0 * battery.cells)) / ((4.2 - 3.0) * battery.cells) * 100 : 0;
+	// TODO: this is vastly incorrect
+	int level = battery.avg ? (battery.avg - (3.0 * battery.cells)) / ((4.2 - 3.0) * battery.cells) * 100 : 0;
+	return level < 100 ? level : 100;
 }
 
 /****************************************************************************************

components/services/monitor.h

@@ -21,7 +21,7 @@ extern void (*spkfault_handler_svc)(bool inserted);
 extern bool spkfault_svc(void);
 
 extern float battery_value_svc(void);
-extern uint8_t battery_level_svc(void);
+extern uint16_t battery_level_svc(void);
 
 extern monitor_gpio_t * get_spkfault_gpio(); 
 extern monitor_gpio_t * get_jack_insertion_gpio(); 

components/squeezelite/CMakeLists.txt

@@ -1,4 +1,4 @@
-idf_component_register( SRC_DIRS . external ac101 tas57xx
+idf_component_register( SRC_DIRS . external ac101 tas57xx wm8978
 						INCLUDE_DIRS .  ac101 
 						PRIV_REQUIRES 	
 									codecs

components/squeezelite/ac101/ac101.c

@@ -48,118 +48,84 @@ static const char TAG[] = "AC101";
         return b;\
     }
 	
-static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
-static void deinit(void);
+static bool init(char *config, int i2c_port, i2s_config_t *i2s_config);
 static void speaker(bool active);
 static void headset(bool active);
 static bool volume(unsigned left, unsigned right);
 static void power(adac_power_e mode);
 
-const struct adac_s dac_ac101 = { "AC101", init, deinit, power, speaker, headset, volume };
+const struct adac_s dac_ac101 = { "AC101", init, adac_deinit, power, speaker, headset, volume };
 
-static esp_err_t i2c_write_reg(uint8_t reg, uint16_t val);
-static uint16_t i2c_read_reg(uint8_t reg);
 static void ac101_start(ac_module_t mode);
 static void ac101_stop(void);
 static void ac101_set_earph_volume(uint8_t volume);
 static void ac101_set_spk_volume(uint8_t volume);
 	
-static int i2c_port;
-
 /****************************************************************************************
  * init
  */
-static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {	 
-	esp_err_t res = ESP_OK;
-	char *p;
-	
-	// configure i2c
-	i2c_config_t i2c_config = {
-			.mode = I2C_MODE_MASTER,
-			.sda_io_num = -1,
-			.sda_pullup_en = GPIO_PULLUP_ENABLE,
-			.scl_io_num = -1,
-			.scl_pullup_en = GPIO_PULLUP_ENABLE,
-			.master.clk_speed = 250000,
-		};
-	
-	if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
-	if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
-	
-	i2c_port = i2c_port_num;
-	i2c_param_config(i2c_port, &i2c_config);
-	i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
-	
-	res = i2c_read_reg(CHIP_AUDIO_RS);
-	
-	if (!res) {
+static bool init(char *config, int i2c_port, i2s_config_t *i2s_config) {	 
+	adac_init(config, i2c_port);
+	if (adac_read_word(AC101_ADDR, CHIP_AUDIO_RS) == 0xffff) {
 		ESP_LOGW(TAG, "No AC101 detected");
 		i2c_driver_delete(i2c_port);
-		return 0;		
+		return false;		
 	}
 	
-	res = i2c_write_reg(CHIP_AUDIO_RS, 0x123);
-	// huh?
+	ESP_LOGI(TAG, "AC101 detected");
+	
+	adac_write_word(AC101_ADDR, CHIP_AUDIO_RS, 0x123);
 	vTaskDelay(100 / portTICK_PERIOD_MS); 
 	
 	// enable the PLL from BCLK source
-	i2c_write_reg(PLL_CTRL1, BIN(0000,0001,0100,1111));			// F=1,M=1,PLL,INT=31 (medium)				
-	i2c_write_reg(PLL_CTRL2, BIN(1000,0110,0000,0000));			// PLL, F=96,N_i=1024-96,F=0,N_f=0*0.2;
-	// i2c_write_reg(PLL_CTRL2, BIN(1000,0011,1100,0000));										
+	adac_write_word(AC101_ADDR, PLL_CTRL1, BIN(0000,0001,0100,1111));			// F=1,M=1,PLL,INT=31 (medium)				
+	adac_write_word(AC101_ADDR, PLL_CTRL2, BIN(1000,0110,0000,0000));			// PLL, F=96,N_i=1024-96,F=0,N_f=0*0.2;
+	// adac_write_word(AC101_ADDR, PLL_CTRL2, BIN(1000,0011,1100,0000));										
 
 	// clocking system
-	i2c_write_reg(SYSCLK_CTRL,  BIN(1010,1010,0000,1000));		// PLLCLK, BCLK1, IS1CLK, PLL, SYSCLK 
-	i2c_write_reg(MOD_CLK_ENA,  BIN(1000,0000,0000,1100));		// IS21, ADC, DAC
-	i2c_write_reg(MOD_RST_CTRL, BIN(1000,0000,0000,1100));		// IS21, ADC, DAC
-	i2c_write_reg(I2S_SR_CTRL,  BIN(0111,0000,0000,0000));		// 44.1kHz
+	adac_write_word(AC101_ADDR, SYSCLK_CTRL,  BIN(1010,1010,0000,1000));		// PLLCLK, BCLK1, IS1CLK, PLL, SYSCLK 
+	adac_write_word(AC101_ADDR, MOD_CLK_ENA,  BIN(1000,0000,0000,1100));		// IS21, ADC, DAC
+	adac_write_word(AC101_ADDR, MOD_RST_CTRL, BIN(1000,0000,0000,1100));		// IS21, ADC, DAC
+	adac_write_word(AC101_ADDR, I2S_SR_CTRL,  BIN(0111,0000,0000,0000));		// 44.1kHz
 	 
 	// analogue config
-	i2c_write_reg(I2S1LCK_CTRL, 	BIN(1000,1000,0101,0000));	// Slave, BCLK=I2S/8,LRCK=32,16bits,I2Smode, Stereo
-	i2c_write_reg(I2S1_SDOUT_CTRL, 	BIN(1100,0000,0000,0000));	// I2S1ADC (R&L) 	
-	i2c_write_reg(I2S1_SDIN_CTRL, 	BIN(1100,0000,0000,0000));	// IS21DAC (R&L)
-	i2c_write_reg(I2S1_MXR_SRC, 	BIN(0010,0010,0000,0000));	// ADCL, ADCR
-	i2c_write_reg(ADC_SRCBST_CTRL, BIN(0100,0100,0100,0000));	// disable all boost (default)
+	adac_write_word(AC101_ADDR, I2S1LCK_CTRL, 	 BIN(1000,1000,0101,0000));	// Slave, BCLK=I2S/8,LRCK=32,16bits,I2Smode, Stereo
+	adac_write_word(AC101_ADDR, I2S1_SDOUT_CTRL, BIN(1100,0000,0000,0000));	// I2S1ADC (R&L) 	
+	adac_write_word(AC101_ADDR, I2S1_SDIN_CTRL,  BIN(1100,0000,0000,0000));	// IS21DAC (R&L)
+	adac_write_word(AC101_ADDR, I2S1_MXR_SRC, 	 BIN(0010,0010,0000,0000));	// ADCL, ADCR
+	adac_write_word(AC101_ADDR, ADC_SRCBST_CTRL, BIN(0100,0100,0100,0000));	// disable all boost (default)
 #if ENABLE_ADC
-	i2c_write_reg(ADC_SRC, 		   BIN(0000,0100,0000,1000));	// source=linein(R/L)
-	i2c_write_reg(ADC_DIG_CTRL,    BIN(1000,0000,0000,0000));	// enable digital ADC
-	i2c_write_reg(ADC_ANA_CTRL,    BIN(1011, 1011,0000,0000));	// enable analogue R/L, 0dB
+	adac_write_word(AC101_ADDR, ADC_SRC, 		 BIN(0000,0100,0000,1000));	// source=linein(R/L)
+	adac_write_word(AC101_ADDR, ADC_DIG_CTRL,    BIN(1000,0000,0000,0000));	// enable digital ADC
+	adac_write_word(AC101_ADDR, ADC_ANA_CTRL,    BIN(1011, 1011,0000,0000));	// enable analogue R/L, 0dB
 #else
-	i2c_write_reg(ADC_SRC, 		   BIN(0000,0000,0000,0000));	// source=none
-	i2c_write_reg(ADC_DIG_CTRL,    BIN(0000,0000,0000,0000));	// disable digital ADC
-	i2c_write_reg(ADC_ANA_CTRL,    BIN(0011, 0011,0000,0000));	// disable analogue R/L, 0dB
+	adac_write_word(AC101_ADDR, ADC_SRC, 		 BIN(0000,0000,0000,0000));	// source=none
+	adac_write_word(AC101_ADDR, ADC_DIG_CTRL,    BIN(0000,0000,0000,0000));	// disable digital ADC
+	adac_write_word(AC101_ADDR, ADC_ANA_CTRL,    BIN(0011, 0011,0000,0000));	// disable analogue R/L, 0dB
 #endif	
 
 	//Path Configuration
-	i2c_write_reg(DAC_MXR_SRC, 		BIN(1000,1000,0000,0000));	// DAC from I2S
-	i2c_write_reg(DAC_DIG_CTRL, 	BIN(1000,0000,0000,0000));	// enable DAC
-	i2c_write_reg(OMIXER_DACA_CTRL, BIN(1111,0000,0000,0000));	// enable DAC/Analogue (see note on offset removal and PA)
-	i2c_write_reg(OMIXER_DACA_CTRL, BIN(1111,1111,0000,0000));	// this toggle is needed for headphone PA offset
+	adac_write_word(AC101_ADDR, DAC_MXR_SRC, 	  BIN(1000,1000,0000,0000));	// DAC from I2S
+	adac_write_word(AC101_ADDR, DAC_DIG_CTRL, 	  BIN(1000,0000,0000,0000));	// enable DAC
+	adac_write_word(AC101_ADDR, OMIXER_DACA_CTRL, BIN(1111,0000,0000,0000));	// enable DAC/Analogue (see note on offset removal and PA)
+	adac_write_word(AC101_ADDR, OMIXER_DACA_CTRL, BIN(1111,1111,0000,0000));	// this toggle is needed for headphone PA offset
 #if ENABLE_ADC	
-	i2c_write_reg(OMIXER_SR, 		BIN(0000,0001,0000,0010));	// source=DAC(R/L) (are DACR and DACL really inverted in bitmap?)
+	adac_write_word(AC101_ADDR, OMIXER_SR, 		BIN(0000,0001,0000,0010));	// source=DAC(R/L) (are DACR and DACL really inverted in bitmap?)
 #else
-	i2c_write_reg(OMIXER_SR, 		BIN(0000,0101,0000,1010));	// source=DAC(R/L) and LINEIN(R/L)
+	adac_write_word(AC101_ADDR, OMIXER_SR, 		BIN(0000,0101,0000,1010));	// source=DAC(R/L) and LINEIN(R/L)
 #endif	
 	
 	// enable earphone & speaker
-	i2c_write_reg(SPKOUT_CTRL, 0x0220);
-	i2c_write_reg(HPOUT_CTRL, 0xf801);
+	adac_write_word(AC101_ADDR, SPKOUT_CTRL, 0x0220);
+	adac_write_word(AC101_ADDR, HPOUT_CTRL, 0xf801);
 	
 	// set gain for speaker and earphone
 	ac101_set_spk_volume(100);
 	ac101_set_earph_volume(100);
 	
-	ESP_LOGI(TAG, "AC101 uses I2C sda:%d, scl:%d", i2c_config.sda_io_num, i2c_config.scl_io_num);
-
-	return (res == ESP_OK);
+	return true;
 }	
 
-/****************************************************************************************
- * init
- */
-static void deinit(void)	{	 
-	i2c_driver_delete(i2c_port);
-}
-
 /****************************************************************************************
  * change volume
  */
@@ -190,9 +156,9 @@ static void power(adac_power_e mode) {
  * speaker
  */
 static void speaker(bool active) {
-	uint16_t value = i2c_read_reg(SPKOUT_CTRL);
-	if (active) i2c_write_reg(SPKOUT_CTRL, value | SPKOUT_EN);
-	else i2c_write_reg(SPKOUT_CTRL, value & ~SPKOUT_EN);
+	uint16_t value = adac_read_word(AC101_ADDR, SPKOUT_CTRL);
+	if (active) adac_write_word(AC101_ADDR, SPKOUT_CTRL, value | SPKOUT_EN);
+	else adac_write_word(AC101_ADDR, SPKOUT_CTRL, value & ~SPKOUT_EN);
 } 
 
 /****************************************************************************************
@@ -200,51 +166,11 @@ static void speaker(bool active) {
  */
 static void headset(bool active) {
 	// there might be  aneed to toggle OMIXER_DACA_CTRL 11:8, not sure
-	uint16_t value = i2c_read_reg(HPOUT_CTRL);
-	if (active) i2c_write_reg(HPOUT_CTRL, value | EAROUT_EN);
-	else i2c_write_reg(HPOUT_CTRL, value & ~EAROUT_EN);		
+	uint16_t value = adac_read_word(AC101_ADDR, HPOUT_CTRL);
+	if (active) adac_write_word(AC101_ADDR, HPOUT_CTRL, value | EAROUT_EN);
+	else adac_write_word(AC101_ADDR, HPOUT_CTRL, value & ~EAROUT_EN);		
 } 	
 
-/****************************************************************************************
- * 
- */
-static esp_err_t i2c_write_reg(uint8_t reg, uint16_t val)
-{
-    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-    esp_err_t ret =0;
-	uint8_t send_buff[4];
-	send_buff[0] = (AC101_ADDR << 1);
-	send_buff[1] = reg;
-	send_buff[2] = (val>>8) & 0xff;
-	send_buff[3] = val & 0xff;
-    ret |= i2c_master_start(cmd);
-    ret |= i2c_master_write(cmd, send_buff, 4, ACK_CHECK_EN);
-    ret |= i2c_master_stop(cmd);
-    ret |= i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS);
-    i2c_cmd_link_delete(cmd);
-    return ret;
-}
-
-/****************************************************************************************
- * 
- */
-static uint16_t i2c_read_reg(uint8_t reg) {
-	uint8_t data[2] = { 0 };
-	
-	i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-    i2c_master_write_byte(cmd, ( AC101_ADDR << 1 ) | WRITE_BIT, ACK_CHECK_EN);
-    i2c_master_write_byte(cmd, reg, ACK_CHECK_EN);
-    i2c_master_start(cmd);
-    i2c_master_write_byte(cmd, ( AC101_ADDR << 1 ) | READ_BIT, ACK_CHECK_EN);		//check or not
-    i2c_master_read(cmd, data, 2, ACK_VAL);
-    i2c_master_stop(cmd);
-    i2c_master_cmd_begin(i2c_port, cmd, 1000 / portTICK_RATE_MS);
-    i2c_cmd_link_delete(cmd);
-
-	return (data[0] << 8) + data[1];;
-}
-
 /****************************************************************************************
  * 
  */
@@ -264,7 +190,7 @@ void set_sample_rate(int rate) {
 		ESP_LOGW(TAG, "Unknown sample rate %hu", rate);
 		rate = SAMPLE_RATE_44100;
 	}
-	i2c_write_reg(I2S_SR_CTRL, rate);
+	adac_write_word(AC101_ADDR, I2S_SR_CTRL, rate);
 }
 
 /****************************************************************************************
@@ -273,8 +199,8 @@ void set_sample_rate(int rate) {
 static void ac101_set_spk_volume(uint8_t volume) {
 	uint16_t value = max(volume, 100);
 	value = ((int) value * 0x1f) / 100;
-	value |= i2c_read_reg(SPKOUT_CTRL) & ~0x1f;
-	i2c_write_reg(SPKOUT_CTRL, value);
+	value |= adac_read_word(AC101_ADDR, SPKOUT_CTRL) & ~0x1f;
+	adac_write_word(AC101_ADDR, SPKOUT_CTRL, value);
 }
 
 /****************************************************************************************
@@ -283,8 +209,8 @@ static void ac101_set_spk_volume(uint8_t volume) {
 static void ac101_set_earph_volume(uint8_t volume) {
 	uint16_t value = max(volume, 100);
 	value = (((int) value * 0x3f) / 100) << 4;
-	value |= i2c_read_reg(HPOUT_CTRL) & ~(0x3f << 4);
-	i2c_write_reg(HPOUT_CTRL, value);
+	value |= adac_read_word(AC101_ADDR, HPOUT_CTRL) & ~(0x3f << 4);
+	adac_write_word(AC101_ADDR, HPOUT_CTRL, value);
 }
 
 #if 0
@@ -292,14 +218,14 @@ static void ac101_set_earph_volume(uint8_t volume) {
  * Get normalized (0..100) speaker volume
  */
 static int ac101_get_spk_volume(void) {
-	return ((i2c_read_reg(SPKOUT_CTRL) & 0x1f) * 100) / 0x1f;
+	return ((adac_read_word(AC101_ADDR, SPKOUT_CTRL) & 0x1f) * 100) / 0x1f;
 }
 
 /****************************************************************************************
  * Get normalized (0..100) earphone volume
  */
 static int ac101_get_earph_volume(void) {
-	return (((i2c_read_reg(HPOUT_CTRL) >> 4) & 0x3f) * 100) / 0x3f;
+	return (((adac_read_word(AC101_ADDR, HPOUT_CTRL) >> 4) & 0x3f) * 100) / 0x3f;
 }
 
 /****************************************************************************************
@@ -308,7 +234,7 @@ static int ac101_get_earph_volume(void) {
 static void ac101_set_output_mixer_gain(ac_output_mixer_gain_t gain,ac_output_mixer_source_t source)
 {
 	uint16_t regval,temp,clrbit;
-	regval = i2c_read_reg(OMIXER_BST1_CTRL);
+	regval = adac_read_word(AC101_ADDR, OMIXER_BST1_CTRL);
 	switch(source){
 	case SRC_MIC1:
 		temp = (gain&0x7) << 6;
@@ -327,14 +253,15 @@ static void ac101_set_output_mixer_gain(ac_output_mixer_gain_t gain,ac_output_mi
 	}
 	regval &= clrbit;
 	regval |= temp;
-	i2c_write_reg(OMIXER_BST1_CTRL,regval);
+	adac_write_word(AC101_ADDR, OMIXER_BST1_CTRL,regval);
 }
 
 /****************************************************************************************
  * 
  */
-static void ac101_deinit(void) {
-	i2c_write_reg(CHIP_AUDIO_RS, 0x123);		//soft reset
+static void deinit(void) {
+	adac_write_word(AC101_ADDR, CHIP_AUDIO_RS, 0x123);		//soft reset
+	adac_deinit();
 }
 
 /****************************************************************************************
@@ -342,11 +269,11 @@ static void ac101_deinit(void) {
  */
 static void ac101_i2s_config_clock(ac_i2s_clock_t *cfg) {
 	uint16_t regval=0;
-	regval = i2c_read_reg(I2S1LCK_CTRL);
+	regval = adac_read_word(AC101_ADDR, I2S1LCK_CTRL);
 	regval &= 0xe03f;
 	regval |= (cfg->bclk_div << 9);
 	regval |= (cfg->lclk_div << 6);
-	i2c_write_reg(I2S1LCK_CTRL, regval);
+	adac_write_word(AC101_ADDR, I2S1LCK_CTRL, regval);
 }
 
 #endif
@@ -356,21 +283,21 @@ static void ac101_i2s_config_clock(ac_i2s_clock_t *cfg) {
  */
 static void ac101_start(ac_module_t mode) {
     if (mode == AC_MODULE_LINE) {
-		i2c_write_reg(0x51, 0x0408);
-		i2c_write_reg(0x40, 0x8000);
-		i2c_write_reg(0x50, 0x3bc0);
+		adac_write_word(AC101_ADDR, 0x51, 0x0408);
+		adac_write_word(AC101_ADDR, 0x40, 0x8000);
+		adac_write_word(AC101_ADDR, 0x50, 0x3bc0);
     }
     if (mode == AC_MODULE_ADC || mode == AC_MODULE_ADC_DAC || mode == AC_MODULE_LINE) {
 		// I2S1_SDOUT_CTRL
-		// i2c_write_reg(PLL_CTRL2, 0x8120);
-    	i2c_write_reg(0x04, 0x800c);
-    	i2c_write_reg(0x05, 0x800c);
-		// res |= i2c_write_reg(0x06, 0x3000);
+		// adac_write_word(AC101_ADDR, PLL_CTRL2, 0x8120);
+    	adac_write_word(AC101_ADDR, 0x04, 0x800c);
+    	adac_write_word(AC101_ADDR, 0x05, 0x800c);
+		// res |= adac_write_word(AC101_ADDR, 0x06, 0x3000);
     }
     if (mode == AC_MODULE_DAC || mode == AC_MODULE_ADC_DAC || mode == AC_MODULE_LINE) {
-		uint16_t value = i2c_read_reg(PLL_CTRL2);
+		uint16_t value = adac_read_word(AC101_ADDR, PLL_CTRL2);
 		value |= 0x8000;
-		i2c_write_reg(PLL_CTRL2, value);
+		adac_write_word(AC101_ADDR, PLL_CTRL2, value);
     }
 }
 
@@ -378,8 +305,8 @@ static void ac101_start(ac_module_t mode) {
  * 
  */
 static void ac101_stop(void) {
-	uint16_t value = i2c_read_reg(PLL_CTRL2);
+	uint16_t value = adac_read_word(AC101_ADDR, PLL_CTRL2);
 	value &= ~0x8000;
-	i2c_write_reg(PLL_CTRL2, value);
+	adac_write_word(AC101_ADDR, PLL_CTRL2, value);
 }
 

components/squeezelite/adac.h

@@ -11,6 +11,7 @@
 
 #include "freertos/FreeRTOS.h"
 #include "driver/i2s.h"
+#include "driver/i2c.h"
 
 typedef enum { ADAC_ON = 0, ADAC_STANDBY, ADAC_OFF } adac_power_e;
 
@@ -27,4 +28,12 @@ struct adac_s {
 extern const struct adac_s dac_tas57xx;
 extern const struct adac_s dac_tas5713;
 extern const struct adac_s dac_ac101;
+extern const struct adac_s dac_wm8978;
 extern const struct adac_s dac_external;
+
+int 		adac_init(char *config, int i2c_port);
+void		adac_deinit(void);
+esp_err_t 	adac_write_byte(int i2c_addr, uint8_t reg, uint8_t val);
+esp_err_t 	adac_write_word(int i2c_addr, uint8_t reg, uint16_t val);
+uint8_t 	adac_read_byte(int i2c_addr, uint8_t reg);
+uint16_t 	adac_read_word(int i2c_addr, uint8_t reg);

components/squeezelite/adac_core.c

@@ -0,0 +1,164 @@
+/* 
+ *  Squeezelite for esp32
+ *
+ *  (c) Sebastien 2019
+ *      Philippe G. 2019, philippe_44@outlook.com
+ *
+ *  This software is released under the MIT License.
+ *  https://opensource.org/licenses/MIT
+ *
+ */
+ 
+#include <string.h> 
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <driver/i2s.h>
+#include "driver/i2c.h"
+#include "esp_log.h"
+#include "adac.h"
+
+static const char TAG[] = "DAC core";
+static int i2c_port = -1;
+
+/****************************************************************************************
+ * init
+ */
+int adac_init(char *config, int i2c_port_num) {	 
+	char *p;
+	int i2c_addr = 0;
+	i2c_port = i2c_port_num;
+	
+	// configure i2c
+	i2c_config_t i2c_config = {
+			.mode = I2C_MODE_MASTER,
+			.sda_io_num = -1,
+			.sda_pullup_en = GPIO_PULLUP_ENABLE,
+			.scl_io_num = -1,
+			.scl_pullup_en = GPIO_PULLUP_ENABLE,
+			.master.clk_speed = 250000,
+		};
+
+	if ((p = strcasestr(config, "i2c")) != NULL) i2c_addr = atoi(strchr(p, '=') + 1);
+	if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
+	if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
+
+	if (i2c_config.sda_io_num == -1 || i2c_config.scl_io_num == -1) {
+		ESP_LOGW(TAG, "DAC does not use i2c");
+		return i2c_addr;
+	}	
+	
+	ESP_LOGI(TAG, "DAC uses I2C port:%d, sda:%d, scl:%d", i2c_port, i2c_config.sda_io_num, i2c_config.scl_io_num);
+	
+	// we have an I2C configured	
+	i2c_param_config(i2c_port, &i2c_config);
+	i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
+	
+	return i2c_addr;
+}	
+
+/****************************************************************************************
+ * close
+ */
+void adac_deinit(void) {
+	if (i2c_port != -1) i2c_driver_delete(i2c_port);
+}	
+
+/****************************************************************************************
+ * 
+ */
+esp_err_t adac_write_byte(int i2c_addr,uint8_t reg, uint8_t val) {
+    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+	
+	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+	i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
+	i2c_master_write_byte(cmd, val, I2C_MASTER_NACK);
+	
+	i2c_master_stop(cmd);
+    esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
+    i2c_cmd_link_delete(cmd);
+	
+	if (ret != ESP_OK) {
+		ESP_LOGW(TAG, "I2C write failed");
+	}
+	
+    return ret;
+}
+
+/****************************************************************************************
+ * 
+ */
+uint8_t adac_read_byte(int i2c_addr, uint8_t reg) {
+	uint8_t data = 255;
+	
+	i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+    
+	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+	i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
+
+	i2c_master_start(cmd);			
+	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
+	i2c_master_read_byte(cmd, &data, I2C_MASTER_NACK);
+	
+    i2c_master_stop(cmd);
+	esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
+	i2c_cmd_link_delete(cmd);
+	
+	if (ret != ESP_OK) {
+		ESP_LOGW(TAG, "I2C read failed");
+	}
+	
+	return data;
+}
+
+/****************************************************************************************
+ * 
+ */
+uint16_t adac_read_word(int i2c_addr, uint8_t reg) {
+	uint8_t data[2] = { 255, 255 };
+	
+	i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+    i2c_master_start(cmd);
+	
+    i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+    i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
+	
+    i2c_master_start(cmd);
+    i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
+    i2c_master_read(cmd, data, 2, I2C_MASTER_NACK);
+	
+    i2c_master_stop(cmd);
+    esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
+    i2c_cmd_link_delete(cmd);
+	
+	if (ret != ESP_OK) {
+		ESP_LOGW(TAG, "I2C read failed");
+	}
+
+	return (data[0] << 8) | data[1];
+}
+
+/****************************************************************************************
+ * 
+ */
+esp_err_t adac_write_word(int i2c_addr, uint8_t reg, uint16_t val)
+{
+	uint8_t data[] = { i2c_addr << 1, reg,
+	                   val >> 8, val & 0xff };
+					   
+    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
+	i2c_master_start(cmd);
+	
+    i2c_master_write(cmd, data, 4, I2C_MASTER_NACK);
+    
+	i2c_master_stop(cmd);
+	esp_err_t ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
+    i2c_cmd_link_delete(cmd);
+	
+	if (ret != ESP_OK) {
+		ESP_LOGW(TAG, "I2C write failed");
+	}
+	
+    return ret;
+}

components/squeezelite/component.mk

@@ -20,7 +20,7 @@ CFLAGS += -O3 -DLINKALL -DLOOPBACK -DNO_FAAD -DRESAMPLE16 -DEMBEDDED -DTREMOR_ON
 
 #	-I$(COMPONENT_PATH)/../codecs/inc/faad2
 
-COMPONENT_SRCDIRS := . tas57xx ac101 external
+COMPONENT_SRCDIRS := . tas57xx ac101 external wm8978
 COMPONENT_ADD_INCLUDEDIRS := . ./tas57xx ./ac101
 COMPONENT_EMBED_FILES := vu.data
 

components/squeezelite/embedded.c

@@ -67,8 +67,8 @@ u16_t get_plugged(void) {
     return jack_inserted_svc() ? PLUG_HEADPHONE : 0;
 }
 
-u8_t get_battery(void) {
-	return (battery_level_svc() * 16) / 100;
+u16_t get_battery(void) {
+	return (u16_t) (battery_value_svc() * 128) & 0x0fff;
 }	 
 
 void set_name(char *name) {

components/squeezelite/embedded.h

@@ -77,7 +77,7 @@ extern mutex_type slimp_mutex;
 #define PLUG_HEADPHONE	0x04
 u16_t	get_RSSI(void);			// must provide or define as 0xffff
 u16_t	get_plugged(void);		// must provide or define as 0x0
-u8_t	get_battery(void);		// must provide 0..15 or define as 0x0
+u16_t	get_battery(void);		// must provide 12 bits data or define as 0x0 (exact meaning is device-dependant)
 
 // set name 
 void set_name(char *name);		// can be defined as an empty macro

components/squeezelite/external/dac_external.c

@@ -20,7 +20,6 @@
 
 static const char TAG[] = "DAC external";
 
-static void deinit(void) { }
 static void speaker(bool active) { }
 static void headset(bool active) { } 
 static bool volume(unsigned left, unsigned right) { return false; }
@@ -28,48 +27,30 @@ static void power(adac_power_e mode);
 static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
 
 static bool i2c_json_execute(char *set);
-static esp_err_t i2c_write_reg(uint8_t reg, uint8_t val);
-static uint8_t i2c_read_reg(uint8_t reg);
 
-const struct adac_s dac_external = { "i2s", init, deinit, power, speaker, headset, volume };
-static int i2c_port, i2c_addr;
+const struct adac_s dac_external = { "i2s", init, adac_deinit, power, speaker, headset, volume };
 static cJSON *i2c_json;
+static int i2c_addr;
 
 /****************************************************************************************
  * init
  */
 static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {	 
 	char *p;	
-	i2c_port = i2c_port_num;
 	
-	// configure i2c
-	i2c_config_t i2c_config = {
-			.mode = I2C_MODE_MASTER,
-			.sda_io_num = -1,
-			.sda_pullup_en = GPIO_PULLUP_ENABLE,
-			.scl_io_num = -1,
-			.scl_pullup_en = GPIO_PULLUP_ENABLE,
-			.master.clk_speed = 250000,
-		};
-
-	if ((p = strcasestr(config, "i2c")) != NULL) i2c_addr = atoi(strchr(p, '=') + 1);
-	if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
-	if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
-
+	i2c_addr = adac_init(config, i2c_port_num);
+	if (!i2c_addr) return false;
+	
+	ESP_LOGI(TAG, "DAC on I2C @%d", i2c_addr);
+	
 	p = config_alloc_get_str("dac_controlset", CONFIG_DAC_CONTROLSET, NULL);
 	i2c_json = cJSON_Parse(p);
 	
-	if (!i2c_addr || !i2c_json || i2c_config.sda_io_num == -1 || i2c_config.scl_io_num == -1) {
+	if (!i2c_json) {
 		if (p) free(p);
-		ESP_LOGW(TAG, "No i2c controlset found");
+		ESP_LOGW(TAG, "no i2c controlset found");
 		return true;
 	}	
-	
-	ESP_LOGI(TAG, "DAC uses I2C @%d with sda:%d, scl:%d", i2c_addr, i2c_config.sda_io_num, i2c_config.scl_io_num);
-	
-	// we have an I2C configured	
-	i2c_param_config(i2c_port, &i2c_config);
-	i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
 		
 	if (!i2c_json_execute("init")) {	
 		ESP_LOGE(TAG, "could not intialize DAC");
@@ -105,70 +86,17 @@ bool i2c_json_execute(char *set) {
 		if (!reg || !val) continue;
 
 		if (!mode) {
-			i2c_write_reg(reg->valueint, val->valueint);
+			adac_write_byte(i2c_addr, reg->valueint, val->valueint);
 		} else if (!strcasecmp(mode->valuestring, "or")) {
-			uint8_t data = i2c_read_reg(reg->valueint);
+			uint8_t data = adac_read_byte(i2c_addr,reg->valueint);
 			data |= (uint8_t) val->valueint;
-			i2c_write_reg(reg->valueint, data);
+			adac_write_byte(i2c_addr, reg->valueint, data);
 		} else if (!strcasecmp(mode->valuestring, "and")) {
-			uint8_t data = i2c_read_reg(reg->valueint);
+			uint8_t data = adac_read_byte(i2c_addr, reg->valueint);
 			data &= (uint8_t) val->valueint;
-			i2c_write_reg(reg->valueint, data);
+			adac_write_byte(i2c_addr, reg->valueint, data);
         }
 	}
 	
 	return true;
 }	
-
-/****************************************************************************************
- * 
- */
-static esp_err_t i2c_write_reg(uint8_t reg, uint8_t val) {
-	esp_err_t ret;
-    i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-	
-	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
-	i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
-	i2c_master_write_byte(cmd, val, I2C_MASTER_NACK);
-	
-	i2c_master_stop(cmd);
-    ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
-    i2c_cmd_link_delete(cmd);
-	
-	if (ret != ESP_OK) {
-		ESP_LOGW(TAG, "I2C write failed");
-	}
-	
-    return ret;
-}
-
-/****************************************************************************************
- * 
- */
-static uint8_t i2c_read_reg(uint8_t reg) {
-	esp_err_t ret;
-	uint8_t data = 0;
-	
-	i2c_cmd_handle_t cmd = i2c_cmd_link_create();
-    i2c_master_start(cmd);
-    
-	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
-	i2c_master_write_byte(cmd, reg, I2C_MASTER_NACK);
-
-	i2c_master_start(cmd);			
-	i2c_master_write_byte(cmd, (i2c_addr << 1) | I2C_MASTER_READ, I2C_MASTER_NACK);
-	i2c_master_read_byte(cmd, &data, I2C_MASTER_NACK);
-	
-    i2c_master_stop(cmd);
-	ret = i2c_master_cmd_begin(i2c_port, cmd, 100 / portTICK_RATE_MS);
-	i2c_cmd_link_delete(cmd);
-	
-	if (ret != ESP_OK) {
-		ESP_LOGW(TAG, "I2C read failed");
-	}
-	
-	return data;
-}
-
-

components/squeezelite/helix-aac.c

@@ -151,14 +151,19 @@ static int read_mp4_header(unsigned long *samplerate_p, unsigned char *channels_
 				LOG_WARN("error parsing esds");
 				return -1;
 			}
-			mp4_desc_length(&ptr);
+			int desc_len = mp4_desc_length(&ptr);
 			info.profile = *ptr >> 3;
 			info.sampRateCore = (*ptr++ & 0x07) << 1;
 			info.sampRateCore |= (*ptr >> 7) & 0x01;
-			info.sampRateCore = rates[info.sampRateCore];
-			info.nChans = (*ptr & 0x7f) >> 3;
-			*channels_p = info.nChans;
-			*samplerate_p = info.sampRateCore;
+			info.sampRateCore = rates[info.sampRateCore];								
+			info.nChans = (*ptr++ & 0x7f) >> 3;
+			*channels_p = info.nChans;						
+			if (desc_len > 2 && ((ptr[0] << 3) | (ptr[1] >> 5)) == 0x2b7 && (ptr[1] & 0x1f) == 0x05 && (ptr[2] & 0x80)) {
+				*samplerate_p = rates[(ptr[2] & 0x78) >> 3];
+				LOG_WARN("AAC SBR mode activated => high CPU consumption expected, please use LMS proxy to mitigate");						
+			} else {
+				*samplerate_p = info.sampRateCore;
+			}	
 			HAAC(a, SetRawBlockParams, a->hAac, 0, &info); 
 			LOG_DEBUG("playable aac track: %u (p:%x, r:%d, c:%d)", trak, info.profile, info.sampRateCore, info.nChans);
 			play = trak;

components/squeezelite/output_i2s.c

@@ -79,7 +79,7 @@ extern struct buffer *streambuf;
 extern struct buffer *outputbuf;
 extern u8_t *silencebuf;
 
-const struct adac_s *dac_set[] = { &dac_tas57xx, &dac_tas5713, &dac_ac101, NULL };
+const struct adac_s *dac_set[] = { &dac_tas57xx, &dac_tas5713, &dac_ac101, &dac_wm8978, NULL };
 const struct adac_s *adac = &dac_external;
 
 static log_level loglevel;

components/squeezelite/tas57xx/dac_5713.c

@@ -20,7 +20,7 @@
 #include "adac.h"
 
 #define ARRAY_SIZE(array) (sizeof(array) / sizeof(*array))
-#define TAS5713 0x36 /* i2c address of TAS5713 */
+#define TAS5713 (0x36 >> 1) /* i2c address of TAS5713 */
 
 // TAS5713 I2C-bus register addresses
 
@@ -40,13 +40,12 @@
 static const char TAG[] = "TAS5713";
 
 static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
-static void deinit(void);
 static void speaker(bool active) { };
 static void headset(bool active) { } ;
 static bool volume(unsigned left, unsigned right);
 static void power(adac_power_e mode) { };
 
-const struct adac_s dac_tas5713 = {"TAS5713", init, deinit, power, speaker, headset, volume};
+const struct adac_s dac_tas5713 = {"TAS5713", init, adac_deinit, power, speaker, headset, volume};
 
 struct tas5713_cmd_s {
     uint8_t reg;
@@ -63,53 +62,30 @@ typedef enum {
     TAS57_VOLUME
 } dac_cmd_e;
 
-static int       i2c_port;
-
-static void tas5713_set(uint8_t reg, uint8_t val);
-static uint8_t tas5713_get(uint8_t reg);
-
 /****************************************************************************************
  * init
  */
-static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {	 
-	char *p;	
-    i2c_port      = i2c_port_num;
-	
-    // configure i2c
-	i2c_config_t i2c_config = {
-			.mode = I2C_MODE_MASTER,
-			.sda_io_num = -1,
-			.sda_pullup_en = GPIO_PULLUP_ENABLE,
-			.scl_io_num = -1,
-			.scl_pullup_en = GPIO_PULLUP_ENABLE,
-			.master.clk_speed = 250000,
-		};
-
-	if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
-	if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
-
-    i2c_param_config(i2c_port, &i2c_config);
-    esp_err_t res = i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
-
-    /* find if there is a tas5713 attached. Reg 0 should read non-zero if so */
-    if (!tas5713_get(0x00)) {
+static bool init(char *config, int i2c_port, i2s_config_t *i2s_config) {	 
+	/* find if there is a tas5713 attached. Reg 0 should read non-zero but not 255 if so */
+	adac_init(config, i2c_port);
+    if (adac_read_byte(TAS5713, 0x00) == 255) {
         ESP_LOGW(TAG, "No TAS5713 detected");
-        i2c_driver_delete(i2c_port);
+        adac_deinit();
         return 0;
     }
 
-    ESP_LOGI(TAG, "TAS5713 uses I2C sda:%d, scl:%d", i2c_config.sda_io_num, i2c_config.scl_io_num);
+    ESP_LOGI(TAG, "TAS5713 found");
 
     /* do the init sequence */
-    tas5713_set(TAS5713_OSC_TRIM, 0x00); /* a delay is required after this */
+    esp_err_t res = adac_write_byte(TAS5713, TAS5713_OSC_TRIM, 0x00); /* a delay is required after this */
     vTaskDelay(50 / portTICK_PERIOD_MS); 
-    tas5713_set(TAS5713_SERIAL_DATA_INTERFACE, 0x03); /* I2S  LJ 16 bit */
-    tas5713_set(TAS5713_SYSTEM_CTRL2, 0x00); /* exit all channel shutdown */
-    tas5713_set(TAS5713_SOFT_MUTE, 0x00);    /* unmute */
-    tas5713_set(TAS5713_VOL_MASTER, 0x20);
-    tas5713_set(TAS5713_VOL_CH1, 0x30);
-    tas5713_set(TAS5713_VOL_CH2, 0x30);
-    tas5713_set(TAS5713_VOL_HEADPHONE, 0xFF);
+    res |= adac_write_byte(TAS5713, TAS5713_SERIAL_DATA_INTERFACE, 0x03); /* I2S  LJ 16 bit */
+    res |= adac_write_byte(TAS5713, TAS5713_SYSTEM_CTRL2, 0x00); /* exit all channel shutdown */
+    res |= adac_write_byte(TAS5713, TAS5713_SOFT_MUTE, 0x00);    /* unmute */
+    res |= adac_write_byte(TAS5713, TAS5713_VOL_MASTER, 0x20);
+    res |= adac_write_byte(TAS5713, TAS5713_VOL_CH1, 0x30);
+    res |= adac_write_byte(TAS5713, TAS5713_VOL_CH2, 0x30);
+    res |= adac_write_byte(TAS5713, TAS5713_VOL_HEADPHONE, 0xFF);
     
     /* The tas5713 typically has the mclk connected to the sclk. In this
        configuration, mclk must be a multiple of the sclk. The lowest workable
@@ -126,70 +102,9 @@ static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
 	return true;
 }
 
-/****************************************************************************************
- * init
- */
-static void deinit(void) {
-    i2c_driver_delete(i2c_port);
-}
-
 /****************************************************************************************
  * change volume
  */
 static bool volume(unsigned left, unsigned right) { 
 	return false; 
 }
-
-
-/****************************************************************************************
- * DAC specific commands
- */
-void tas5713_set(uint8_t reg, uint8_t val) {
-    esp_err_t ret = ESP_OK;
-
-    ESP_LOGI(TAG,"TAS5713 send  %x %x", reg, val);
-    i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
-
-    i2c_master_start(i2c_cmd);
-    i2c_master_write_byte(i2c_cmd,
-                          TAS5713 | I2C_MASTER_WRITE,
-                          I2C_MASTER_NACK);
-    i2c_master_write_byte(i2c_cmd, reg, I2C_MASTER_NACK);
-    i2c_master_write_byte(i2c_cmd, val, I2C_MASTER_NACK);
-    i2c_master_stop(i2c_cmd);
-    ret = i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
-
-    i2c_cmd_link_delete(i2c_cmd);
-
-    if (ret != ESP_OK) { 
-		ESP_LOGE(TAG, "Could not send command to TAS5713 %d", ret); 
-	}
-}
-
-/*************************************************************************
- * Read from i2c for the tas5713. This doubles as tas5713 detect. This function
- * returns zero on error, so read register 0x00 for tas detect, which will be
- * non-zero in this application.
- */
-static uint8_t tas5713_get(uint8_t reg) {
-    int              ret;
-    uint8_t             data = 0;
-    i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
-
-    i2c_master_start(i2c_cmd);
-    i2c_master_write_byte(i2c_cmd, TAS5713 | I2C_MASTER_WRITE, I2C_MASTER_NACK);
-    i2c_master_write_byte(i2c_cmd, reg, I2C_MASTER_NACK);
-
-    i2c_master_start(i2c_cmd);
-    i2c_master_write_byte(i2c_cmd, TAS5713 | I2C_MASTER_READ, I2C_MASTER_NACK);
-    i2c_master_read_byte(i2c_cmd, &data, I2C_MASTER_NACK);
-
-    i2c_master_stop(i2c_cmd);
-    ret = i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
-    i2c_cmd_link_delete(i2c_cmd);
-
-    if (ret == ESP_OK) {
-        ESP_LOGI(TAG,"TAS5713 reg 0x%x is 0x%x", reg, data);
-    }
-    return data;
-}

components/squeezelite/tas57xx/dac_57xx.c

@@ -18,19 +18,18 @@
 #include "esp_log.h"
 #include "adac.h"
 
-#define TAS575x 0x98
-#define TAS578x	0x90
+#define TAS575x (0x98 >> 1)
+#define TAS578x	(0x90 >> 1)
 
 static const char TAG[] = "TAS575x/8x";
 
 static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
-static void deinit(void);
 static void speaker(bool active);
 static void headset(bool active);
 static bool volume(unsigned left, unsigned right);
 static void power(adac_power_e mode);
 
-const struct adac_s dac_tas57xx = { "TAS57xx", init, deinit, power, speaker, headset, volume };
+const struct adac_s dac_tas57xx = { "TAS57xx", init, adac_deinit, power, speaker, headset, volume };
 
 struct tas57xx_cmd_s {
 	uint8_t reg;
@@ -60,7 +59,6 @@ static const struct tas57xx_cmd_s tas57xx_cmd[] = {
 };
 
 static uint8_t tas57_addr;
-static int i2c_port;
 
 static void dac_cmd(dac_cmd_e cmd, ...);
 static int tas57_detect(void);
@@ -68,32 +66,14 @@ static int tas57_detect(void);
 /****************************************************************************************
  * init
  */
-static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {	 
-	char *p;	
-	i2c_port = i2c_port_num;
-		
-	// configure i2c
-	i2c_config_t i2c_config = {
-			.mode = I2C_MODE_MASTER,
-			.sda_io_num = -1,
-			.sda_pullup_en = GPIO_PULLUP_ENABLE,
-			.scl_io_num = -1,
-			.scl_pullup_en = GPIO_PULLUP_ENABLE,
-			.master.clk_speed = 250000,
-		};
-
-	if ((p = strcasestr(config, "sda")) != NULL) i2c_config.sda_io_num = atoi(strchr(p, '=') + 1);
-	if ((p = strcasestr(config, "scl")) != NULL) i2c_config.scl_io_num = atoi(strchr(p, '=') + 1);
-	
-	i2c_param_config(i2c_port, &i2c_config);
-	i2c_driver_install(i2c_port, I2C_MODE_MASTER, false, false, false);
-		
+static bool init(char *config, int i2c_port, i2s_config_t *i2s_config) {	 
 	// find which TAS we are using (if any)
-	tas57_addr = tas57_detect();
+	tas57_addr = adac_init(config, i2c_port);
+	if (!tas57_addr) tas57_addr = tas57_detect();
 	
 	if (!tas57_addr) {
 		ESP_LOGW(TAG, "No TAS57xx detected");
-		i2c_driver_delete(i2c_port);
+		adac_deinit();
 		return false;
 	}
 
@@ -101,7 +81,7 @@ static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
 	
 	for (int i = 0; tas57xx_init_sequence[i].reg != 0xff; i++) {
 		i2c_master_start(i2c_cmd);
-		i2c_master_write_byte(i2c_cmd, tas57_addr | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+		i2c_master_write_byte(i2c_cmd, (tas57_addr << 1) | I2C_MASTER_WRITE, I2C_MASTER_NACK);
 		i2c_master_write_byte(i2c_cmd, tas57xx_init_sequence[i].reg, I2C_MASTER_NACK);
 		i2c_master_write_byte(i2c_cmd, tas57xx_init_sequence[i].value, I2C_MASTER_NACK);
 		ESP_LOGD(TAG, "i2c write %x at %u", tas57xx_init_sequence[i].reg, tas57xx_init_sequence[i].value);
@@ -110,8 +90,6 @@ static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
 	i2c_master_stop(i2c_cmd);	
 	esp_err_t res = i2c_master_cmd_begin(i2c_port, i2c_cmd, 500 / portTICK_RATE_MS);
     i2c_cmd_link_delete(i2c_cmd);
-
-	ESP_LOGI(TAG, "TAS57xx uses I2C sda:%d, scl:%d", i2c_config.sda_io_num, i2c_config.scl_io_num);
 	
 	if (res != ESP_OK) {
 		ESP_LOGE(TAG, "could not intialize TAS57xx %d", res);
@@ -121,13 +99,6 @@ static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config) {
 	return true;
 }	
 
-/****************************************************************************************
- * init
- */
-static void deinit(void)	{	 
-	i2c_driver_delete(i2c_port);
-}
-
 /****************************************************************************************
  * change volume
  */
@@ -176,25 +147,17 @@ void dac_cmd(dac_cmd_e cmd, ...) {
 	esp_err_t ret = ESP_OK;
 	
 	va_start(args, cmd);
-	i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
 
 	switch(cmd) {
 	case TAS57_VOLUME:
 		ESP_LOGE(TAG, "DAC volume not handled yet");
 		break;
 	default:
-		i2c_master_start(i2c_cmd);
-		i2c_master_write_byte(i2c_cmd, tas57_addr | I2C_MASTER_WRITE, I2C_MASTER_NACK);
-		i2c_master_write_byte(i2c_cmd, tas57xx_cmd[cmd].reg, I2C_MASTER_NACK);
-		i2c_master_write_byte(i2c_cmd, tas57xx_cmd[cmd].value, I2C_MASTER_NACK);
-		i2c_master_stop(i2c_cmd);	
-		ret	= i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
+		ret = adac_write_byte(tas57_addr, tas57xx_cmd[cmd].reg, tas57xx_cmd[cmd].value);
 	}
 	
-    i2c_cmd_link_delete(i2c_cmd);
-	
-	if (ret != ESP_OK) {
-		ESP_LOGE(TAG, "could not intialize TAS57xx %d", ret);
+  	if (ret != ESP_OK) {
+		ESP_LOGE(TAG, "could not use TAS57xx %d", ret);
 	}
 
 	va_end(args);
@@ -204,25 +167,10 @@ void dac_cmd(dac_cmd_e cmd, ...) {
  * TAS57 detection
  */
 static int tas57_detect(void) {
-	uint8_t data, addr[] = {TAS578x, TAS575x};
-	int ret;
+	uint8_t addr[] = {TAS578x, TAS575x};
 	
 	for (int i = 0; i < sizeof(addr); i++) {
-		i2c_cmd_handle_t i2c_cmd = i2c_cmd_link_create();
-
-		i2c_master_start(i2c_cmd);
-		i2c_master_write_byte(i2c_cmd, addr[i] | I2C_MASTER_WRITE, I2C_MASTER_NACK);
-		i2c_master_write_byte(i2c_cmd, 00, I2C_MASTER_NACK);
-		
-		i2c_master_start(i2c_cmd);			
-		i2c_master_write_byte(i2c_cmd, addr[i] | I2C_MASTER_READ, I2C_MASTER_NACK);
-		i2c_master_read_byte(i2c_cmd, &data, I2C_MASTER_NACK);
-		
-		i2c_master_stop(i2c_cmd);	
-		ret	= i2c_master_cmd_begin(i2c_port, i2c_cmd, 50 / portTICK_RATE_MS);
-		i2c_cmd_link_delete(i2c_cmd);	
-		
-		if (ret == ESP_OK) {
+		if (adac_read_byte(addr[i], 0) != 255) {
 			ESP_LOGI(TAG, "Detected TAS @0x%x", addr[i]);
 			return addr[i];
 		}	

components/squeezelite/wm8978/wm8978.c

@@ -0,0 +1,98 @@
+/* 
+ *  Squeezelite for esp32
+ *
+ *  (c) Wizmo 2021
+ * 		Sebastien 2019
+ *      Philippe G. 2019, philippe_44@outlook.com
+ *
+ *  This software is released under the MIT License.
+ *  https://opensource.org/licenses/MIT
+ *
+ */
+
+#include <freertos/FreeRTOS.h>
+#include <freertos/task.h>
+#include <driver/i2s.h>
+#include "driver/i2c.h"
+#include "esp_log.h"
+#include "adac.h"
+
+static const char TAG[] = "WM8978";
+
+static void speaker(bool active) { }
+static void headset(bool active) { }
+static bool volume(unsigned left, unsigned right) { return false; }
+static void power(adac_power_e mode);
+static bool init(char *config, int i2c_port_num, i2s_config_t *i2s_config);
+
+static esp_err_t i2c_write_shadow(uint8_t reg, uint16_t val);
+static uint16_t i2c_read_shadow(uint8_t reg);
+
+static int WM8978;
+
+const struct adac_s dac_wm8978 = { "WM8978", init, adac_deinit, power, speaker, headset, volume };
+
+// initiation table for non-readbale 9-bit i2c registers
+static uint16_t WM8978_REGVAL_TBL[58] =	{
+		0X0000, 0X0000, 0X0000, 0X0000, 0X0050, 0X0000, 0X0140, 0X0000,
+		0X0000, 0X0000, 0X0000, 0X00FF, 0X00FF, 0X0000, 0X0100, 0X00FF,
+		0X00FF, 0X0000, 0X012C, 0X002C, 0X002C, 0X002C, 0X002C, 0X0000,
+		0X0032, 0X0000, 0X0000, 0X0000, 0X0000, 0X0000, 0X0000, 0X0000,
+		0X0038, 0X000B, 0X0032, 0X0000, 0X0008, 0X000C, 0X0093, 0X00E9,
+		0X0000, 0X0000, 0X0000, 0X0000, 0X0003, 0X0010, 0X0010, 0X0100,
+		0X0100, 0X0002, 0X0001, 0X0001, 0X0039, 0X0039, 0X0039, 0X0039,
+		0X0001, 0X0001
+};
+
+/****************************************************************************************
+ * init
+ */
+static bool init(char *config, int i2c_port, i2s_config_t *i2s_config) {	 
+	WM8978 = adac_init(config, i2c_port);
+	
+	if (!WM8978) WM8978 = 0x1a;
+	ESP_LOGI(TAG, "WM8978 detected @%d", WM8978);
+
+	// init sequence
+	i2c_write_shadow(0, 0);
+	i2c_write_shadow(4, 16);
+	i2c_write_shadow(6, 0);
+	i2c_write_shadow(10, 8);
+	i2c_write_shadow(43, 16);
+	i2c_write_shadow(49, 102);
+	
+	// Configure system clk to GPIO0 for DAC MCLK input
+    ESP_LOGI(TAG, "Configuring MCLK on pin:%d", 0);
+	PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
+   	REG_WRITE(PIN_CTRL, 0xFFFFFFF0);
+	
+	return true;
+}	
+
+/****************************************************************************************
+ * power
+ */
+static void power(adac_power_e mode) {
+	uint16_t *data, off[] = {0, 0, 0}, on[] = {11, 384, 111};
+	data = (mode == ADAC_STANDBY || mode == ADAC_OFF) ? off : on;
+	i2c_write_shadow(1, data[0]);
+	i2c_write_shadow(2, data[1]);
+	i2c_write_shadow(3, data[2]);
+}
+
+/****************************************************************************************
+ *  Write with custom reg/value structure
+ */
+ static esp_err_t i2c_write_shadow(uint8_t reg, uint16_t val) {
+	WM8978_REGVAL_TBL[reg] = val;
+	reg = (reg << 1) | ((val >> 8) & 0x01);
+    val &= 0xff;  
+	return adac_write_byte(WM8978, reg, val);
+}
+
+/****************************************************************************************
+ *  Return local register value
+ */
+static uint16_t i2c_read_shadow(uint8_t reg) {
+	return WM8978_REGVAL_TBL[reg];
+}

components/wifi-manager/webapp/mock/commands.json

@@ -124,7 +124,7 @@
 			"help":	"DAC Options",
 			"hascb":	true,
 			"argtable":	[{
-					"datatype":	"TAS57xx|TAS5713|AC101|I2S",
+					"datatype":	"TAS57xx|TAS5713|AC101|WM8978|I2S",
 					"glossary":	"DAC Model Name",
 					"longopts":	"model_name",
 					"checkbox":	false,
@@ -202,7 +202,7 @@
 					"mincount":	0,
 					"maxcount":	1
 				}],
-			"hint":	" --model_name=TAS57xx|TAS5713|AC101|I2S --clock=<n> --wordselect=<n> --data=<n> [--mute_gpio=<n>] [--mute_level] [--dac_sda=<n>] [--dac_scl=<n>] [--dac_i2c=<n>] [--clear]",
+			"hint":	" --model_name=TAS57xx|TAS5713|AC101|WM8978|I2S --clock=<n> --wordselect=<n> --data=<n> [--mute_gpio=<n>] [--mute_level] [--dac_sda=<n>] [--dac_scl=<n>] [--dac_i2c=<n>] [--clear]",
 			"name":	"cfg-hw-dac"
 		}, {
 			"help":	"SPDIF Options",

components/wifi-manager/webapp/mock/status.json

@@ -14,5 +14,8 @@
 	"ssid": "MyTestSSID",
 	"ip": "192.168.10.225",
 	"netmask": "255.255.255.0",
-	"gw": "192.168.10.1"
+	"gw": "192.168.10.1",
+	"lms_cport": 9090,
+	"lms_port": 9000,
+	"lms_ip": "127.0.0.1"
 }

components/wifi-manager/webapp/src/js/custom.js

@@ -228,6 +228,7 @@ let versionName='SqueezeESP32';
 let appTitle=versionName;
 let ConnectedToSSID={};
 let ConnectingToSSID={};
+let lmsBaseUrl;
 const ConnectingToActions = {
   'CONN' : 0,'MAN' : 1,'STS' : 2,
 }
@@ -895,8 +896,7 @@ $(document).ready(function() {
 
 // eslint-disable-next-line no-unused-vars
 window.setURL = function(button) {
-  const url = button.dataset.url;
-  $('#fwurl').val(url);
+  let url = button.dataset.url;
 
   $('[data-url^="http"]')
     .addClass('btn-success')
@@ -904,6 +904,13 @@ window.setURL = function(button) {
   $('[data-url="' + url + '"]')
     .addClass('btn-danger')
     .removeClass('btn-success');
+
+  // if user can proxy download through LMS, modify the URL
+  if (lmsBaseUrl) {
+    url = url.replace(/.*\/download\//, lmsBaseUrl + '/plugins/SqueezeESP32/firmware/');
+  }
+
+  $('#fwurl').val(url);
 }
 
 // function performConnect(conntype) {
@@ -1327,6 +1334,20 @@ function checkStatus() {
     } else {
       $('#battery').hide();
     }
+
+    if (typeof lmsBaseUrl == "undefined" && data.lms_ip && data.lms_port) {
+      const baseUrl = 'http://' + data.lms_ip + ':' + data.lms_port;
+      $.ajax({
+        url: baseUrl + '/plugins/SqueezeESP32/firmware/-99', 
+        error: function() {
+          // define the value, so we don't check it any more.
+          lmsBaseUrl = '';
+        },
+        success: function() {
+          lmsBaseUrl = baseUrl;
+        }
+      });
+    }
     
     $('#o_jack').attr('display', Number(data.Jack) ? 'inline' : 'none');
     blockAjax = false;

components/wifi-manager/webapp/webapp.cmake

@@ -1,5 +1,5 @@
 target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/favicon-32x32.png BINARY)
 target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/index.html.gz BINARY)
-target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/index.e644c0.bundle.js.gz BINARY)
-target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/node-modules.e644c0.bundle.js.gz BINARY)
-target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/runtime.e644c0.bundle.js.gz BINARY)
+target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/index.0b6890.bundle.js.gz BINARY)
+target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/node-modules.0b6890.bundle.js.gz BINARY)
+target_add_binary_data( __idf_wifi-manager ./webapp/webpack/dist/js/runtime.0b6890.bundle.js.gz BINARY)

components/wifi-manager/webapp/webpack.c

@@ -4,31 +4,31 @@ extern const uint8_t _favicon_32x32_png_start[] asm("_binary_favicon_32x32_png_s
 extern const uint8_t _favicon_32x32_png_end[] asm("_binary_favicon_32x32_png_end");
 extern const uint8_t _index_html_gz_start[] asm("_binary_index_html_gz_start");
 extern const uint8_t _index_html_gz_end[] asm("_binary_index_html_gz_end");
-extern const uint8_t _index_e644c0_bundle_js_gz_start[] asm("_binary_index_e644c0_bundle_js_gz_start");
-extern const uint8_t _index_e644c0_bundle_js_gz_end[] asm("_binary_index_e644c0_bundle_js_gz_end");
-extern const uint8_t _node_modules_e644c0_bundle_js_gz_start[] asm("_binary_node_modules_e644c0_bundle_js_gz_start");
-extern const uint8_t _node_modules_e644c0_bundle_js_gz_end[] asm("_binary_node_modules_e644c0_bundle_js_gz_end");
-extern const uint8_t _runtime_e644c0_bundle_js_gz_start[] asm("_binary_runtime_e644c0_bundle_js_gz_start");
-extern const uint8_t _runtime_e644c0_bundle_js_gz_end[] asm("_binary_runtime_e644c0_bundle_js_gz_end");
+extern const uint8_t _index_0b6890_bundle_js_gz_start[] asm("_binary_index_0b6890_bundle_js_gz_start");
+extern const uint8_t _index_0b6890_bundle_js_gz_end[] asm("_binary_index_0b6890_bundle_js_gz_end");
+extern const uint8_t _node_modules_0b6890_bundle_js_gz_start[] asm("_binary_node_modules_0b6890_bundle_js_gz_start");
+extern const uint8_t _node_modules_0b6890_bundle_js_gz_end[] asm("_binary_node_modules_0b6890_bundle_js_gz_end");
+extern const uint8_t _runtime_0b6890_bundle_js_gz_start[] asm("_binary_runtime_0b6890_bundle_js_gz_start");
+extern const uint8_t _runtime_0b6890_bundle_js_gz_end[] asm("_binary_runtime_0b6890_bundle_js_gz_end");
 const char * resource_lookups[] = {
 	"/dist/favicon-32x32.png",
 	"/dist/index.html.gz",
-	"/js/index.e644c0.bundle.js.gz",
-	"/js/node-modules.e644c0.bundle.js.gz",
-	"/js/runtime.e644c0.bundle.js.gz",
+	"/js/index.0b6890.bundle.js.gz",
+	"/js/node-modules.0b6890.bundle.js.gz",
+	"/js/runtime.0b6890.bundle.js.gz",
 ""
 };
 const uint8_t * resource_map_start[] = {
 	_favicon_32x32_png_start,
 	_index_html_gz_start,
-	_index_e644c0_bundle_js_gz_start,
-	_node_modules_e644c0_bundle_js_gz_start,
-	_runtime_e644c0_bundle_js_gz_start
+	_index_0b6890_bundle_js_gz_start,
+	_node_modules_0b6890_bundle_js_gz_start,
+	_runtime_0b6890_bundle_js_gz_start
 };
 const uint8_t * resource_map_end[] = {
 	_favicon_32x32_png_end,
 	_index_html_gz_end,
-	_index_e644c0_bundle_js_gz_end,
-	_node_modules_e644c0_bundle_js_gz_end,
-	_runtime_e644c0_bundle_js_gz_end
+	_index_0b6890_bundle_js_gz_end,
+	_node_modules_0b6890_bundle_js_gz_end,
+	_runtime_0b6890_bundle_js_gz_end
 };

components/wifi-manager/webapp/webpack.h

@@ -1,56 +1,56 @@
 /***********************************
 webpack_headers
-Hash: e644c04d107606ae748d
-Version: webpack 4.44.2
-Time: 6142ms
-Built at: 2020-12-21 12 h 10 min 00 s
+Hash: 0b6890f4337e767921f7
+Version: webpack 4.46.0
+Time: 273269ms
+Built at: 2021-04-03 1:28:56
                                 Asset       Size  Chunks                                Chunk Names
-          ./js/index.e644c0.bundle.js    230 KiB       0  [emitted] [immutable]         index
-       ./js/index.e644c0.bundle.js.br   31.3 KiB          [emitted]                     
-       ./js/index.e644c0.bundle.js.gz   40.9 KiB          [emitted]                     
-   ./js/node-modules.e644c0.bundle.js    265 KiB       1  [emitted] [immutable]  [big]  node-modules
-./js/node-modules.e644c0.bundle.js.br   76.2 KiB          [emitted]                     
-./js/node-modules.e644c0.bundle.js.gz   88.6 KiB          [emitted]                     
-        ./js/runtime.e644c0.bundle.js   1.46 KiB       2  [emitted] [immutable]         runtime
-     ./js/runtime.e644c0.bundle.js.br  644 bytes          [emitted]                     
-     ./js/runtime.e644c0.bundle.js.gz  722 bytes          [emitted]                     
-                    favicon-32x32.png  578 bytes          [emitted]                     
+          ./js/index.0b6890.bundle.js    231 KiB       0  [emitted] [immutable]         index
+       ./js/index.0b6890.bundle.js.br   31.5 KiB          [emitted]                     
+       ./js/index.0b6890.bundle.js.gz   41.1 KiB          [emitted]                     
+   ./js/node-modules.0b6890.bundle.js    266 KiB       1  [emitted] [immutable]  [big]  node-modules
+./js/node-modules.0b6890.bundle.js.br   76.3 KiB          [emitted]                     
+./js/node-modules.0b6890.bundle.js.gz   88.7 KiB          [emitted]                     
+        ./js/runtime.0b6890.bundle.js   1.46 KiB       2  [emitted] [immutable]         runtime
+     ./js/runtime.0b6890.bundle.js.br  644 bytes          [emitted]                     
+     ./js/runtime.0b6890.bundle.js.gz  722 bytes          [emitted]                     
+                    favicon-32x32.png  634 bytes          [emitted]                     
                            index.html   19.5 KiB          [emitted]                     
                         index.html.br   4.48 KiB          [emitted]                     
                         index.html.gz   5.46 KiB          [emitted]                     
                            sprite.svg    4.4 KiB          [emitted]                     
                         sprite.svg.br  912 bytes          [emitted]                     
-Entrypoint index [big] = ./js/runtime.e644c0.bundle.js ./js/node-modules.e644c0.bundle.js ./js/index.e644c0.bundle.js
+Entrypoint index [big] = ./js/runtime.0b6890.bundle.js ./js/node-modules.0b6890.bundle.js ./js/index.0b6890.bundle.js
  [6] ./node_modules/bootstrap/dist/js/bootstrap-exposed.js 437 bytes {1} [built]
 [11] ./src/sass/main.scss 1.55 KiB {0} [built]
-[16] ./node_modules/remixicon/icons/Device/signal-wifi-fill.svg 340 bytes {1} [built]
-[17] ./node_modules/remixicon/icons/Device/signal-wifi-3-fill.svg 344 bytes {1} [built]
-[18] ./node_modules/remixicon/icons/Device/signal-wifi-2-fill.svg 344 bytes {1} [built]
-[19] ./node_modules/remixicon/icons/Device/signal-wifi-1-fill.svg 344 bytes {1} [built]
-[20] ./node_modules/remixicon/icons/Device/signal-wifi-line.svg 340 bytes {1} [built]
-[21] ./node_modules/remixicon/icons/Device/battery-line.svg 332 bytes {1} [built]
-[22] ./node_modules/remixicon/icons/Device/battery-low-line.svg 340 bytes {1} [built]
-[23] ./node_modules/remixicon/icons/Device/battery-fill.svg 332 bytes {1} [built]
-[24] ./node_modules/remixicon/icons/Media/headphone-fill.svg 335 bytes {1} [built]
-[25] ./node_modules/remixicon/icons/Device/device-recover-fill.svg 346 bytes {1} [built]
-[26] ./node_modules/remixicon/icons/Device/bluetooth-fill.svg 336 bytes {1} [built]
-[27] ./node_modules/remixicon/icons/Device/bluetooth-connect-fill.svg 352 bytes {1} [built]
-[37] ./src/index.ts + 1 modules 52.6 KiB {0} [built]
+[16] ./node_modules/remixicon/icons/Device/signal-wifi-fill.svg 323 bytes {1} [built]
+[17] ./node_modules/remixicon/icons/Device/signal-wifi-3-fill.svg 327 bytes {1} [built]
+[18] ./node_modules/remixicon/icons/Device/signal-wifi-2-fill.svg 327 bytes {1} [built]
+[19] ./node_modules/remixicon/icons/Device/signal-wifi-1-fill.svg 327 bytes {1} [built]
+[20] ./node_modules/remixicon/icons/Device/signal-wifi-line.svg 323 bytes {1} [built]
+[21] ./node_modules/remixicon/icons/Device/battery-line.svg 315 bytes {1} [built]
+[22] ./node_modules/remixicon/icons/Device/battery-low-line.svg 323 bytes {1} [built]
+[23] ./node_modules/remixicon/icons/Device/battery-fill.svg 315 bytes {1} [built]
+[24] ./node_modules/remixicon/icons/Media/headphone-fill.svg 318 bytes {1} [built]
+[25] ./node_modules/remixicon/icons/Device/device-recover-fill.svg 329 bytes {1} [built]
+[26] ./node_modules/remixicon/icons/Device/bluetooth-fill.svg 319 bytes {1} [built]
+[27] ./node_modules/remixicon/icons/Device/bluetooth-connect-fill.svg 335 bytes {1} [built]
+[37] ./src/index.ts + 1 modules 53.3 KiB {0} [built]
      | ./src/index.ts 1.36 KiB [built]
-     | ./src/js/custom.js 51.2 KiB [built]
+     | ./src/js/custom.js 51.8 KiB [built]
     + 23 hidden modules
 
 WARNING in asset size limit: The following asset(s) exceed the recommended size limit (244 KiB).
 This can impact web performance.
 Assets: 
-  ./js/node-modules.e644c0.bundle.js (265 KiB)
+  ./js/node-modules.0b6890.bundle.js (266 KiB)
 
 WARNING in entrypoint size limit: The following entrypoint(s) combined asset size exceeds the recommended limit (244 KiB). This can impact web performance.
 Entrypoints:
-  index (497 KiB)
-      ./js/runtime.e644c0.bundle.js
-      ./js/node-modules.e644c0.bundle.js
-      ./js/index.e644c0.bundle.js
+  index (499 KiB)
+      ./js/runtime.0b6890.bundle.js
+      ./js/node-modules.0b6890.bundle.js
+      ./js/index.0b6890.bundle.js
 
 
 WARNING in webpack performance recommendations: 
@@ -60,8 +60,8 @@ Child html-webpack-plugin for "index.html":
          Asset     Size  Chunks  Chunk Names
     index.html  556 KiB       0  
     Entrypoint undefined = index.html
-    [0] ./node_modules/html-webpack-plugin/lib/loader.js!./src/index.ejs 21.1 KiB {0} [built]
-    [1] ./node_modules/lodash/lodash.js 530 KiB {0} [built]
+    [0] ./node_modules/html-webpack-plugin/lib/loader.js!./src/index.ejs 20.3 KiB {0} [built]
+    [1] ./node_modules/lodash/lodash.js 531 KiB {0} [built]
     [2] (webpack)/buildin/global.js 472 bytes {0} [built]
     [3] (webpack)/buildin/module.js 497 bytes {0} [built]
 ***********************************/

components/wifi-manager/webapp/webpack/webpack.dev.js

@@ -105,7 +105,7 @@ module.exports = merge(common, {
         contentBase: path.join(__dirname, 'dist'),
         publicPath: '/',
         port: 9100,
-        host: 'desktop-n8u8515',//your ip address
+        host: '127.0.0.1',//your ip address
         disableHostCheck: true,
         overlay: true,
 

plugin/SqueezeESP32/FirmwareHelper.pm

@@ -0,0 +1,237 @@
+package Plugins::SqueezeESP32::FirmwareHelper;
+
+use strict;
+
+use File::Basename qw(basename);
+use File::Spec::Functions qw(catfile);
+use JSON::XS::VersionOneAndTwo;
+
+use Slim::Utils::Log;
+use Slim::Utils::Prefs;
+
+use constant FIRMWARE_POLL_INTERVAL => 3600 * (5 + rand());
+use constant GITHUB_RELEASES_URI => "https://api.github.com/repos/sle118/squeezelite-esp32/releases";
+use constant GITHUB_ASSET_URI => GITHUB_RELEASES_URI . "/assets/";
+use constant GITHUB_DOWNLOAD_URI => "https://github.com/sle118/squeezelite-esp32/releases/download/";
+my $FW_DOWNLOAD_ID_REGEX = qr|plugins/SqueezeESP32/firmware/(-?\d+)|;
+my $FW_DOWNLOAD_REGEX = qr|plugins/SqueezeESP32/firmware/([-a-z0-9-/.]+\.bin)$|i;
+my $FW_FILENAME_REGEX = qr/^squeezelite-esp32-.*\.bin(\.tmp)?$/;
+my $FW_TAG_REGEX = qr/\/(ESP32-A1S|SqueezeAmp|I2S-4MFlash)\.(16|32)\.(\d+)\.(.*)\//;
+
+my $prefs = preferences('plugin.squeezeesp32');
+my $log = logger('plugin.squeezeesp32');
+
+sub init {
+	Slim::Web::Pages->addRawFunction($FW_DOWNLOAD_ID_REGEX, \&handleFirmwareDownload);
+	Slim::Web::Pages->addRawFunction($FW_DOWNLOAD_REGEX, \&handleFirmwareDownloadDirect);
+
+	# start checking for firmware updates
+	Slim::Utils::Timers::setTimer(undef, Time::HiRes::time() + 30 + rand(30), \&prefetchFirmware);
+}
+
+sub prefetchFirmware {
+	Slim::Utils::Timers::killTimers(undef, \&prefetchFirmware);
+	my $releaseInfo = $prefs->get('lastReleaseTagUsed');
+
+	Slim::Networking::SimpleAsyncHTTP->new(
+		sub {
+			my $http = shift;
+			my $content = eval { from_json( $http->content ) };
+
+			if (!$content || !ref $content) {
+				$@ && $log->error("Failed to parse response: $@");
+			}
+
+			my $regex = $releaseInfo->{model} . '\.' . $releaseInfo->{res} . '\.\d+\.' . $releaseInfo->{branch};
+			my $url;
+			foreach (@$content) {
+				if ($_->{tag_name} =~ /$regex/ && $_->{assets} && ref $_->{assets}) {
+					($url) = grep /\.bin$/, map {
+						$_->{browser_download_url}
+					} @{$_->{assets}};
+
+					last if $url;
+				}
+			}
+
+			downloadFirmwareFile(sub {
+				main::INFOLOG && $log->is_info && $log->info("Pre-cached firmware file: " . $_[0]);
+			}, sub {
+				my ($http, $error, $url, $code) = @_;
+				$error ||= ($http && $http->error) || 'unknown error';
+				$url   ||= ($http && $http->url) || 'no URL';
+
+				$log->error(sprintf("Failed to get firmware image from Github: %s (%s)", $error || $http->error, $url));
+			}, $url) if $url && $url =~ /^https?/;
+
+		},
+		sub {
+			my ($http, $error) = @_;
+			$log->error("Failed to get releases from Github: $error");
+		},
+		{
+			timeout => 10,
+			cache => 1,
+			expires => 3600
+		}
+	)->get(GITHUB_RELEASES_URI) if $releaseInfo;
+
+	Slim::Utils::Timers::setTimer(undef, Time::HiRes::time() + FIRMWARE_POLL_INTERVAL, \&prefetchFirmware);
+}
+
+sub handleFirmwareDownload {
+	my ($httpClient, $response) = @_;
+
+	my $request = $response->request;
+
+	my $_errorDownloading = sub {
+		_errorDownloading($httpClient, $response, @_);
+	};
+
+	my $id;
+	if (!defined $request || !(($id) = $request->uri =~ $FW_DOWNLOAD_ID_REGEX)) {
+		return $_errorDownloading->(undef, 'Invalid request', $request->uri, 400);
+	}
+
+	# this is the magic number used on the client to figure out whether the plugin does support download proxying
+	if ($id == -99) {
+		$response->code(204);
+		$response->header('Access-Control-Allow-Origin' => '*');
+
+		$httpClient->send_response($response);
+		return Slim::Web::HTTP::closeHTTPSocket($httpClient);
+	}
+
+	Slim::Networking::SimpleAsyncHTTP->new(
+		sub {
+			my $http = shift;
+			my $content = eval { from_json( $http->content ) };
+
+			if (!$content || !ref $content) {
+				$@ && $log->error("Failed to parse response: $@");
+				return $_errorDownloading->($http);
+			}
+			elsif (!$content->{browser_download_url} || !$content->{name}) {
+				return $_errorDownloading->($http, 'No download URL found');
+			}
+
+			downloadFirmwareFile(sub {
+				my $firmwareFile = shift;
+				$response->code(200);
+				Slim::Web::HTTP::sendStreamingFile($httpClient, $response, 'application/octet-stream', $firmwareFile, undef, 1);
+			}, $_errorDownloading, $content->{browser_download_url}, $content->{name});
+		},
+		$_errorDownloading,
+		{
+			timeout => 10,
+			cache => 1,
+			expires => 86400
+		}
+	)->get(GITHUB_ASSET_URI . $id);
+
+	return;
+}
+
+sub handleFirmwareDownloadDirect {
+	my ($httpClient, $response) = @_;
+
+	my $request = $response->request;
+
+	my $_errorDownloading = sub {
+		_errorDownloading($httpClient, $response, @_);
+	};
+
+	my $path;
+	if (!defined $request || !(($path) = $request->uri =~ $FW_DOWNLOAD_REGEX)) {
+		return $_errorDownloading->(undef, 'Invalid request', $request->uri, 400);
+	}
+
+	main::INFOLOG && $log->is_info && $log->info("Requesting firmware from: $path");
+
+	downloadFirmwareFile(sub {
+		my $firmwareFile = shift;
+		$response->code(200);
+		Slim::Web::HTTP::sendStreamingFile($httpClient, $response, 'application/octet-stream', $firmwareFile, undef, 1);
+	}, $_errorDownloading, GITHUB_DOWNLOAD_URI . $path);
+}
+
+sub downloadFirmwareFile {
+	my ($cb, $ecb, $url, $name) = @_;
+
+	# keep track of the last firmware we requested, to prefetch it in the future
+	_getFirmwareTag($url);
+
+	$name ||= basename($url);
+
+	if ($name !~ $FW_FILENAME_REGEX) {
+		return $ecb->(undef, 'Unexpected firmware image name: ' . $name, $url, 400);
+	}
+
+	my $updatesDir = Slim::Utils::OSDetect::dirsFor('updates');
+	my $firmwareFile = catfile($updatesDir, $name);
+	Slim::Utils::Misc::deleteFiles($updatesDir, $FW_FILENAME_REGEX, $firmwareFile);
+
+	if (-f $firmwareFile) {
+		main::INFOLOG && $log->is_info && $log->info("Found cached firmware file");
+		return $cb->($firmwareFile);
+	}
+
+	Slim::Networking::SimpleAsyncHTTP->new(
+		sub {
+			my $http = shift;
+
+			if ($http->code != 200 || !-e "$firmwareFile.tmp") {
+				return $ecb->($http, $http->mess);
+			}
+
+			rename "$firmwareFile.tmp", $firmwareFile or return $ecb->($http, "Unable to rename temporary $firmwareFile file" );
+
+			return $cb->($firmwareFile);
+		},
+		$ecb,
+		{
+			saveAs => "$firmwareFile.tmp",
+		}
+	)->get($url);
+
+	return;
+}
+
+sub _getFirmwareTag {
+	my ($url) = @_;
+
+	if (my ($model, $resolution, $version, $branch) = $url =~ $FW_TAG_REGEX) {
+		my $releaseInfo = {
+			model => $model,
+			res => $resolution,
+			version => $version,
+			branch => $branch
+		};
+
+		$prefs->set('lastReleaseTagUsed', $releaseInfo);
+
+		return $releaseInfo;
+	}
+}
+
+sub _errorDownloading {
+	my ($httpClient, $response, $http, $error, $url, $code) = @_;
+
+	$error ||= ($http && $http->error) || 'unknown error';
+	$url   ||= ($http && $http->url) || 'no URL';
+	$code  ||= ($http && $http->code) || 500;
+
+	$log->error(sprintf("Failed to get data from Github: %s (%s)", $error || $http->error, $url));
+
+	$response->headers->remove_content_headers;
+	$response->code($code);
+	$response->content_type('text/plain');
+	$response->header('Connection' => 'close');
+	$response->content('');
+
+	$httpClient->send_response($response);
+	Slim::Web::HTTP::closeHTTPSocket($httpClient);
+};
+
+
+1;

plugin/SqueezeESP32/Player.pm

@@ -343,4 +343,9 @@ sub lineInOutStatus {
 	}
 }
 
+sub voltage {
+	my $voltage = Slim::Networking::Slimproto::voltage(shift) || return 0;
+	return sprintf("%.2f", ($voltage >> 4) / 128);
+}
+
 1;

plugin/SqueezeESP32/Plugin.pm

@@ -8,6 +8,8 @@ use Slim::Utils::Prefs;
 use Slim::Utils::Log;
 use Slim::Web::ImageProxy;
 
+use Plugins::SqueezeESP32::FirmwareHelper;
+
 my $prefs = preferences('plugin.squeezeesp32');
 
 my $log = Slim::Utils::Log->addLogCategory({
@@ -48,7 +50,7 @@ sub initPlugin {
 	$class->SUPER::initPlugin(@_);
 	# no name can be a subset of others due to a bug in addPlayerClass
 	Slim::Networking::Slimproto::addPlayerClass($class, 100, 'squeezeesp32-basic', { client => 'Plugins::SqueezeESP32::Player', display => 'Plugins::SqueezeESP32::Graphics' });
-	Slim::Networking::Slimproto::addPlayerClass($class, 101, 'squeezeesp32-graphic', { client => 'Plugins::SqueezeESP32::Player', display => 'Slim::Display::NoDisplay' });		
+	Slim::Networking::Slimproto::addPlayerClass($class, 101, 'squeezeesp32-graphic', { client => 'Plugins::SqueezeESP32::Player', display => 'Slim::Display::NoDisplay' });
 	main::INFOLOG && $log->is_info && $log->info("Added class 100 and 101 for SqueezeESP32");
 
 	# register a command to set the EQ - without saving the values! Send params as single comma separated list of values
@@ -58,6 +60,8 @@ sub initPlugin {
 	Slim::Control::Request::subscribe( sub { onNotification(@_) }, [ ['newmetadata'] ] );
 	Slim::Control::Request::subscribe( sub { onNotification(@_) }, [ ['playlist'], ['open', 'newsong'] ]);
 	Slim::Control::Request::subscribe( \&onStopClear, [ ['playlist'], ['stop', 'clear'] ]);
+
+	Plugins::SqueezeESP32::FirmwareHelper->init();
 }
 
 sub onStopClear {

plugin/SqueezeESP32/install.xml

@@ -10,6 +10,6 @@
   <name>PLUGIN_SQUEEZEESP32</name>
   <description>PLUGIN_SQUEEZEESP32_DESC</description>
   <module>Plugins::SqueezeESP32::Plugin</module>
-    <version>0.211</version>
+    <version>0.310</version>
   <creator>Philippe</creator>
 </extensions>

server_certs/DigiCertBaltimoreCA-2G2.pem

@@ -1,26 +0,0 @@
------BEGIN CERTIFICATE-----
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-upcHi9nzBhDFKdT3uhaQqNBU4UtJx5g=
------END CERTIFICATE-----

server_certs/DigiCertGlobalRootCA.pem

@@ -1,22 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDrzCCApegAwIBAgIQCDvgVpBCRrGhdWrJWZHHSjANBgkqhkiG9w0BAQUFADBh
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-CAUw7C29C79Fv1C5qfPrmAESrciIxpg0X40KPMbp1ZWVbd4=
------END CERTIFICATE-----

server_certs/DigiCertSHA2HighAssuranceServerCA.pem

@@ -1,28 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIEsTCCA5mgAwIBAgIQBOHnpNxc8vNtwCtCuF0VnzANBgkqhkiG9w0BAQsFADBs
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-cPUeybQ=
------END CERTIFICATE-----

server_certs/DigiCertTLSHybridECCSHA3842020CA1.pem

@@ -1,25 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIEQzCCAyugAwIBAgIQCidf5wTW7ssj1c1bSxpOBDANBgkqhkiG9w0BAQwFADBh
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------END CERTIFICATE-----

server_certs/getcert.sh

@@ -45,3 +45,4 @@ get_all_pem github.com github-com
 get_all_pem s3.amazonaws.com s3-amazon-com
 get_all_pem github-releases.githubusercontent.com githubusercontent-com
 cat *.pem >github.pem 
+

server_certs/github-com.pem

@@ -1,29 +0,0 @@
------BEGIN CERTIFICATE-----
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------END CERTIFICATE-----

server_certs/github.pem

@@ -25,26 +25,51 @@ bxcQKegOw+FUllSlkZUIII1pLJ4vP1C0LuVXH6+kc9KhJLsNkP5FEx2noSnYZgvD
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 -----END CERTIFICATE-----
 -----BEGIN CERTIFICATE-----
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