m5/MicroPythonOS
0
0
Fork 0
mirror of https://github.com/m5stack/MicroPythonOS.git synced 2026-05-20 11:51:27 -07:00
Code Issues Packages Projects Releases Wiki Activity

Fix compilation

Browse Source
This commit is contained in:
Thomas Farstrike
2026-02-12 17:30:05 +01:00
parent 4ee02fbbc8
commit 11d3ce1f10
1 changed files with 16 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
c_mpos/src/adc_mic.c
+16 -15
View File
@@ -2,8 +2,9 @@
#include "py/runtime.h"
#include "py/mphal.h"
#include "esp_heap_caps.h"
#include "esp_codec_dev.h"
#include "esp_codec_dev.h" // Include for esp_codec_dev_*
#include "adc_mic.h" // Include for audio_codec_adc_cfg_t, audio_codec_new_adc_data, etc.
#include <errno.h> // For ENOMEM
static mp_obj_t adc_mic_read(void) {
// Configure for mono ADC on GPIO1 (ADC1_CHANNEL_0) at 16kHz
@@ -20,7 +21,7 @@ static mp_obj_t adc_mic_read(void) {
};
esp_codec_dev_handle_t dev = esp_codec_dev_new(&codec_dev_cfg);
if (dev == NULL) {
audio_codec_delete_adc_data(adc_if);
audio_codec_delete_data_if(adc_if);
mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("Failed to create codec device"));
}
@@ -31,19 +32,19 @@ static mp_obj_t adc_mic_read(void) {
.bits_per_sample = 16,
};
if (esp_codec_dev_open(dev, &fs) != ESP_OK) {
esp_codec_dev_del(dev);
audio_codec_delete_adc_data(adc_if);
esp_codec_dev_delete(dev);
audio_codec_delete_data_if(adc_if);
mp_raise_msg(&mp_type_RuntimeError, MP_ERROR_TEXT("Failed to open codec device"));
}
// Allocate buffer for 16000 samples (16-bit, so 32000 bytes)
const size_t buf_size = 16000 * sizeof(uint16_t);
uint8_t *audio_buffer = (uint8_t *)heap_caps_malloc(buf_size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
const size_t buf_size = 16000 * sizeof(int16_t);
int16_t *audio_buffer = (int16_t *)heap_caps_malloc(buf_size, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
if (audio_buffer == NULL) {
esp_codec_dev_close(dev);
esp_codec_dev_del(dev);
audio_codec_delete_adc_data(adc_if);
mp_raise_OSError(MP_ENOMEM);
esp_codec_dev_delete(dev);
audio_codec_delete_data_if(adc_if);
mp_raise_OSError(ENOMEM);
}
// Read the data (blocking until buffer is filled)
@@ -51,19 +52,19 @@ static mp_obj_t adc_mic_read(void) {
if (ret < 0) {
heap_caps_free(audio_buffer);
esp_codec_dev_close(dev);
esp_codec_dev_del(dev);
audio_codec_delete_adc_data(adc_if);
esp_codec_dev_delete(dev);
audio_codec_delete_data_if(adc_if);
mp_raise_msg_varg(&mp_type_RuntimeError, MP_ERROR_TEXT("Failed to read audio data: %d"), ret);
}
// Create MicroPython bytes object from the buffer
mp_obj_t buf_obj = mp_obj_new_bytes(audio_buffer, ret);
mp_obj_t buf_obj = mp_obj_new_bytes((const byte *)audio_buffer, ret);
// Cleanup
heap_caps_free(audio_buffer);
esp_codec_dev_close(dev);
esp_codec_dev_del(dev);
audio_codec_delete_adc_data(adc_if);
esp_codec_dev_delete(dev);
audio_codec_delete_data_if(adc_if);
return buf_obj;
}
@@ -80,4 +81,4 @@ const mp_obj_module_t adc_mic_user_cmodule = {
.globals = (mp_obj_dict_t *)&adc_mic_module_globals,
};
MP_REGISTER_MODULE(MP_QSTR_adc_mic, adc_mic_user_cmodule);
MP_REGISTER_MODULE(MP_QSTR_adc_mic, adc_mic_user_cmodule);