pioduino/esp-idf
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

adc: fix adc continuous driver conv_frame_size not bigger than 4092 issue

Browse Source 
Closes https://github.com/espressif/esp-idf/issues/11385
This commit is contained in:
Armando
2023-05-16 14:23:19 +08:00
parent bdeeae7a52
commit 73791ff4e0
5 changed files with 76 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/driver/deprecated/adc_dma_legacy.c
+9 -5
View File
@@ -207,7 +207,9 @@ esp_err_t adc_digi_initialize(const adc_digi_init_config_t *init_config)
}
//malloc dma descriptor
s_adc_digi_ctx->hal.rx_desc = heap_caps_calloc(1, (sizeof(dma_descriptor_t)) * INTERNAL_BUF_NUM, MALLOC_CAP_DMA);
uint32_t dma_desc_num_per_frame = (init_config->conv_num_each_intr + DMA_DESCRIPTOR_BUFFER_MAX_SIZE_4B_ALIGNED - 1) / DMA_DESCRIPTOR_BUFFER_MAX_SIZE_4B_ALIGNED;
uint32_t dma_desc_max_num = dma_desc_num_per_frame * INTERNAL_BUF_NUM;
s_adc_digi_ctx->hal.rx_desc = heap_caps_calloc(1, (sizeof(dma_descriptor_t)) * dma_desc_max_num, MALLOC_CAP_DMA);
if (!s_adc_digi_ctx->hal.rx_desc) {
ret = ESP_ERR_NO_MEM;
goto cleanup;
@@ -310,7 +312,8 @@ esp_err_t adc_digi_initialize(const adc_digi_init_config_t *init_config)
#elif CONFIG_IDF_TARGET_ESP32
.dev = (void *)I2S_LL_GET_HW(s_adc_digi_ctx->i2s_host),
#endif
.desc_max_num = INTERNAL_BUF_NUM,
.eof_desc_num = INTERNAL_BUF_NUM,
.eof_step = dma_desc_num_per_frame,
.dma_chan = dma_chan,
.eof_num = init_config->conv_num_each_intr / SOC_ADC_DIGI_DATA_BYTES_PER_CONV
};
@@ -367,15 +370,16 @@ static IRAM_ATTR bool s_adc_dma_intr(adc_digi_context_t *adc_digi_ctx)
portBASE_TYPE taskAwoken = 0;
BaseType_t ret;
adc_hal_dma_desc_status_t status = false;
dma_descriptor_t *current_desc = NULL;
uint8_t *finished_buffer = NULL;
uint32_t finished_size = 0;
while (1) {
status = adc_hal_get_reading_result(&adc_digi_ctx->hal, adc_digi_ctx->rx_eof_desc_addr, &current_desc);
status = adc_hal_get_reading_result(&adc_digi_ctx->hal, adc_digi_ctx->rx_eof_desc_addr, &finished_buffer, &finished_size);
if (status != ADC_HAL_DMA_DESC_VALID) {
break;
}
ret = xRingbufferSendFromISR(adc_digi_ctx->ringbuf_hdl, current_desc->buffer, current_desc->dw0.length, &taskAwoken);
ret = xRingbufferSendFromISR(adc_digi_ctx->ringbuf_hdl, finished_buffer, finished_size, &taskAwoken);
if (ret == pdFALSE) {
//ringbuffer overflow
adc_digi_ctx->ringbuf_overflow_flag = 1;