alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2025-11-26 12:50:30 +00:00
Code Issues Packages Projects Releases Wiki Activity

fix(i2s): reset the dma buf_size while allocation failed

Browse Source 
Closes https://github.com/espressif/esp-idf/issues/15648
This commit is contained in:
laokaiyao
2025-03-26 15:24:29 +08:00
parent 6ef7ad67d4
commit b834886585
5 changed files with 26 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
components/esp_driver_i2s/i2s_common.c
View File

@@ -457,37 +457,39 @@ uint32_t i2s_get_buf_size(i2s_chan_handle_t handle, uint32_t data_bit_width, uin
esp_err_t i2s_free_dma_desc(i2s_chan_handle_t handle)
{
I2S_NULL_POINTER_CHECK(TAG, handle);
if (!handle->dma.desc) {
return ESP_OK;
}
for (int i = 0; i < handle->dma.desc_num; i++) {
if (handle->dma.bufs[i]) {
free(handle->dma.bufs[i]);
handle->dma.bufs[i] = NULL;
}
if (handle->dma.desc[i]) {
free(handle->dma.desc[i]);
handle->dma.desc[i] = NULL;
}
}
if (handle->dma.bufs) {
free(handle->dma.bufs);
handle->dma.bufs = NULL;
}
handle->dma.buf_size = 0;
if (handle->dma.desc) {
for (int i = 0; i < handle->dma.desc_num; i++) {
if (handle->dma.desc[i]) {
free(handle->dma.desc[i]);
handle->dma.desc[i] = NULL;
}
}
free(handle->dma.desc);
handle->dma.desc = NULL;
}
if (handle->dma.bufs) {
for (int i = 0; i < handle->dma.desc_num; i++) {
if (handle->dma.bufs[i]) {
free(handle->dma.bufs[i]);
handle->dma.bufs[i] = NULL;
}
}
free(handle->dma.bufs);
handle->dma.bufs = NULL;
}
return ESP_OK;
}
esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bufsize)
esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t bufsize)
{
I2S_NULL_POINTER_CHECK(TAG, handle);
esp_err_t ret = ESP_OK;
ESP_RETURN_ON_FALSE(bufsize <= I2S_DMA_BUFFER_MAX_SIZE, ESP_ERR_INVALID_ARG, TAG, "dma buffer can't be bigger than %d", I2S_DMA_BUFFER_MAX_SIZE);
handle->dma.desc_num = num;
uint32_t num = handle->dma.desc_num;
handle->dma.buf_size = bufsize;
/* Descriptors must be in the internal RAM */