Mirror/squeezelite-esp32
1
0
Fork 0
mirror of https://github.com/sle118/squeezelite-esp32.git synced 2025-12-08 20:47:08 +03:00
Code Issues Packages Projects Releases Wiki Activity

Add MCP23s17 + further optimizations

Browse Source
This commit is contained in:
Philippe G
2021-12-05 18:21:39 -08:00
parent ec6dcb83f8
commit 5ac153f808
4 changed files with 311 additions and 173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
components/services/services.c
View File

@@ -39,20 +39,40 @@ static const char *TAG = "services";
/****************************************************************************************
*
*/
void set_power_gpio(int gpio, char *value) {
void set_chip_power_gpio(int gpio, char *value) {
bool parsed = true;
// we only parse on-chip GPIOs
if (gpio >= GPIO_NUM_MAX) return;
if (!strcasecmp(value, "vcc") ) {
gpio_pad_select_gpio_x(gpio);
gpio_set_direction_x(gpio, GPIO_MODE_OUTPUT);
gpio_set_level_x(gpio, 1);
gpio_pad_select_gpio(gpio);
gpio_set_direction(gpio, GPIO_MODE_OUTPUT);
gpio_set_level(gpio, 1);
} else if (!strcasecmp(value, "gnd")) {
gpio_pad_select_gpio_x(gpio);
gpio_set_direction_x(gpio, GPIO_MODE_OUTPUT);
gpio_set_level_x(gpio, 0);
gpio_pad_select_gpio(gpio);
gpio_set_direction(gpio, GPIO_MODE_OUTPUT);
gpio_set_level(gpio, 0);
} else parsed = false;
if (parsed) ESP_LOGI(TAG, "set GPIO %u to %s", gpio, value);
}
void set_exp_power_gpio(int gpio, char *value) {
bool parsed = true;
// we only parse on-chip GPIOs
if (gpio < GPIO_NUM_MAX) return;
if (!strcasecmp(value, "vcc") ) {
gpio_exp_set_direction(gpio, GPIO_MODE_OUTPUT, NULL);
gpio_exp_set_level(gpio, 1, true, NULL);
} else if (!strcasecmp(value, "gnd")) {
gpio_exp_set_direction(gpio, GPIO_MODE_OUTPUT, NULL);
gpio_exp_set_level(gpio, 0, true, NULL);
} else parsed = false;
if (parsed) ESP_LOGI(TAG, "set expanded GPIO %u to %s", gpio, value);
}
@@ -70,6 +90,9 @@ void services_init(void) {
}
#endif
// set potential power GPIO on chip first in case expanders are power using these
parse_set_GPIO(set_chip_power_gpio);
// shared I2C bus
const i2c_config_t * i2c_config = config_i2c_get(&i2c_system_port);
ESP_LOGI(TAG,"Configuring I2C sda:%d scl:%d port:%u speed:%u", i2c_config->sda_io_num, i2c_config->scl_io_num, i2c_system_port, i2c_config->master.clk_speed);
@@ -82,13 +105,6 @@ void services_init(void) {
ESP_LOGW(TAG, "no I2C configured");
}
// create GPIO expanders
const gpio_exp_config_t* gpio_exp_config;
for (int count = 0; (gpio_exp_config = config_gpio_exp_get(count)); count++) gpio_exp_create(gpio_exp_config);
// set potential power GPIO (a GPIO-powered expander might be an issue)
parse_set_GPIO(set_power_gpio);
const spi_bus_config_t * spi_config = config_spi_get((spi_host_device_t*) &spi_system_host);
ESP_LOGI(TAG,"Configuring SPI data:%d clk:%d host:%u dc:%d", spi_config->mosi_io_num, spi_config->sclk_io_num, spi_system_host, spi_system_dc_gpio);
@@ -105,6 +121,13 @@ void services_init(void) {
ESP_LOGW(TAG, "no SPI configured");
}
// create GPIO expanders
const gpio_exp_config_t* gpio_exp_config;
for (int count = 0; (gpio_exp_config = config_gpio_exp_get(count)); count++) gpio_exp_create(gpio_exp_config);
// now set potential power GPIO on expander
parse_set_GPIO(set_exp_power_gpio);
// system-wide PWM timer configuration
ledc_timer_config_t pwm_timer = {
.duty_resolution = LEDC_TIMER_13_BIT,