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make i2s emergency stop platform independant

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This commit is contained in:
philippe44
2024-09-27 18:52:26 +02:00
parent 50070378ad
commit ab9812cb75
2 changed files with 19 additions and 20 deletions
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20
components/_override/esp32/i2s.c
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@@ -705,26 +705,6 @@ esp_err_t i2s_stop(i2s_port_t i2s_num)
return ESP_OK;
}
/*
* When a panic occurs during playback, the I2S interface can produce a loud noise burst.
* This code runs just before the system panic handler to "emergency stop" the I2S iterface
* to prevent the noise burst from happening. Note that when this code is called the system
* has already crashed, so no need to disable interrupts, acquire locks, or otherwise be nice.
*
* This code makes use of the linker --wrap feature to intercept the call to esp_panic_handler.
*/
void __real_esp_panic_handler(void*);
void __wrap_esp_panic_handler (void* info) {
esp_rom_printf("I2S abort!\r\n");
i2s_hal_stop_tx(&(p_i2s_obj[CONFIG_I2S_NUM]->hal));
/* Call the original panic handler function to finish processing this error */
__real_esp_panic_handler(info);
}
#if SOC_I2S_SUPPORTS_ADC_DAC
esp_err_t i2s_set_dac_mode(i2s_dac_mode_t dac_mode)
{

19
components/squeezelite/output_i2s.c
View File

@@ -222,6 +222,25 @@ static void set_i2s_pin(char *config, i2s_pin_config_t *pin_config) {
#endif
}
/* When a panic occurs during playback, the I2S interface can produce a loud noise burst.
* This code runs just before the system panic handler to "emergency stop" the I2S iterface
* to prevent the noise burst from happening. Note that when this code is called the system
* has already crashed, so no need to disable interrupts, acquire locks, or otherwise be nice.
*
* This code makes use of the linker --wrap feature to intercept the call to esp_panic_handler.
*/
void __real_esp_panic_handler(void*);
void __wrap_esp_panic_handler (void* info) {
esp_rom_printf("I2S abort!\r\n");
i2s_stop(CONFIG_I2S_NUM);
/* Call the original panic handler function to finish processing this error */
__real_esp_panic_handler(info);
}
/****************************************************************************************
* Initialize the DAC output
*/