shidt i2c_addr by one for consistency - release

README.md

@@ -84,7 +84,7 @@ The parameter "dac_controlset" allows definition of simple commands to be sent o
   poweron: [ {"reg":<register>,"val":<value>,"mode":<nothing>|"or"|"and"}, ... {{"reg":<register>,"val":<value>,"mode":<nothing>|"or"|"and"} ],
   poweroff: [ {"reg":<register>,"val":<value>,"mode":<nothing>|"or"|"and"}, ... {{"reg":<register>,"val":<value>,"mode":<nothing>|"or"|"and"} ] }
 ```
-This is standard JSON notation, so if you are not familiar with it, Google is your best friend. Be aware that the '...' means you can have as many entries as you want, it's not part of the syntax. Every section is optional, but it does not make sense to set i2c in the 'dac_config' parameter and not setting anything here. The parameter 'mode' allows to *or* the register with the value or to *and* it. Don't set 'mode' if you simply want to write. **Note that all values must be decimal**
+This is standard JSON notation, so if you are not familiar with it, Google is your best friend. Be aware that the '...' means you can have as many entries as you want, it's not part of the syntax. Every section is optional, but it does not make sense to set i2c in the 'dac_config' parameter and not setting anything here. The parameter 'mode' allows to *or* the register with the value or to *and* it. Don't set 'mode' if you simply want to write. **Note that all values must be decimal**. You can use a validator like [this](https://jsonlint.com) to verify your syntax
 
 NB: For well-known configuration, this is ignored
 ### SPDIF

components/squeezelite/external/dac_external.c

@@ -128,7 +128,7 @@ static esp_err_t i2c_write_reg(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 | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+	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);
 	
@@ -153,11 +153,11 @@ static uint8_t i2c_read_reg(uint8_t reg) {
 	i2c_cmd_handle_t cmd = i2c_cmd_link_create();
     i2c_master_start(cmd);
     
-	i2c_master_write_byte(cmd, i2c_addr | I2C_MASTER_WRITE, I2C_MASTER_NACK);
+	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 | I2C_MASTER_READ, I2C_MASTER_NACK);
+	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);

components/squeezelite/stream.c

@@ -199,7 +199,6 @@ static void *stream_thread() {
 
 		} else {
 
-			polling = true;
 			pollinfo.fd = fd;
 			pollinfo.events = POLLIN;
 			if (stream.state == SEND_HEADERS) {
@@ -208,6 +207,8 @@ static void *stream_thread() {
 		}
 
 		UNLOCK;
+		// no mutex needed - we just want to know if we are inside poll()
+		polling = true;
 		
 		if (_poll(ssl, &pollinfo, 100)) {
 
@@ -364,7 +365,6 @@ static void *stream_thread() {
 			UNLOCK;
 			
 		} else {
-			// it is safe to set it unlocked
 			polling = false;
 			LOG_SDEBUG("poll timeout");
 		}
@@ -490,8 +490,7 @@ void stream_sock(u32_t ip, u16_t port, const char *header, size_t header_len, un
 
 #if EMBEDDED
 	// wait till we are not polling anymore
-	for (LOCK; running && polling; UNLOCK, usleep(10000), LOCK);
+	while (polling && running) { usleep(10000);	}	
-	UNLOCK;
 #endif	
 	
 	int sock = socket(AF_INET, SOCK_STREAM, 0);

main/Kconfig.projbuild

@@ -44,7 +44,7 @@ menu "Squeezelite-ESP32"
 		string 
 		default "model=TAS57xx,bck=33,ws=25,do=32,sda=27,scl=26,mute=14:0" if SQUEEZEAMP
 		default "model=AC101,bck=27,ws=26,do=25,di=35,sda=33,scl=32" if A1S
-		default "model=I2S,bck=26,ws=25,do=33,i2c=106,sda=21,scl=22" if TWATCH2020
+		default "model=I2S,bck=26,ws=25,do=33,i2c=53,sda=21,scl=22" if TWATCH2020
 		default ""
 	config SPDIF_CONFIG		
 		string