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fix(adc): fix P4 adc continuous mode stop early

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gaoxu
2024-10-28 09:41:27 +08:00
parent 3e9c1ae62b
commit f380cb6a4d
1 changed files with 10 additions and 1 deletions
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11
components/esp_adc/adc_continuous.c
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@@ -41,6 +41,8 @@
#include "adc_dma_internal.h"
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
#include "esp_cache.h"
#include "hal/cache_hal.h"
#include "hal/cache_ll.h"
#include "esp_private/esp_cache_private.h"
#endif
@@ -121,7 +123,7 @@ static IRAM_ATTR bool adc_dma_intr(adc_continuous_ctx_t *adc_digi_ctx)
}
}
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
esp_err_t msync_ret = esp_cache_msync((void *)(adc_digi_ctx->hal.rx_desc), adc_digi_ctx->adc_desc_size, ESP_CACHE_MSYNC_FLAG_DIR_M2C);
esp_err_t msync_ret = esp_cache_msync((void *)(adc_digi_ctx->hal.rx_desc), adc_digi_ctx->adc_desc_size, ESP_CACHE_MSYNC_FLAG_DIR_C2M | ESP_CACHE_MSYNC_FLAG_INVALIDATE);
assert(msync_ret == ESP_OK);
#endif
return need_yield;
@@ -203,6 +205,13 @@ esp_err_t adc_continuous_new_handle(const adc_continuous_handle_cfg_t *hdl_confi
uint32_t dma_desc_num_per_frame = (hdl_config->conv_frame_size + 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;
adc_ctx->hal.rx_desc = heap_caps_aligned_calloc(ADC_DMA_DESC_ALIGN, dma_desc_max_num, sizeof(dma_descriptor_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA | MALLOC_CAP_8BIT);
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
//adc_desc_size should be aligned with cache line size
uint32_t cache_line_size = cache_hal_get_cache_line_size(CACHE_LL_LEVEL_INT_MEM, CACHE_TYPE_DATA);
adc_ctx->adc_desc_size = ((dma_desc_max_num * sizeof(dma_descriptor_t) + cache_line_size - 1) / cache_line_size) * cache_line_size;
#endif
if (!adc_ctx->hal.rx_desc) {
ret = ESP_ERR_NO_MEM;
goto cleanup;