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feat(cam): add camera buffer alloc function

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This commit is contained in:
gaoxu
2025-07-07 11:23:07 +08:00
parent b9c224215e
commit ee3de247e2
13 changed files with 166 additions and 35 deletions
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components/esp_driver_cam/isp_dvp/src/esp_cam_ctlr_isp_dvp.c
+22
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@@ -85,6 +85,7 @@ static esp_err_t s_isp_dvp_start(esp_cam_ctlr_handle_t handle);
static esp_err_t s_isp_dvp_stop(esp_cam_ctlr_handle_t handle);
static esp_err_t s_isp_dvp_receive(esp_cam_ctlr_handle_t handle, esp_cam_ctlr_trans_t *trans, uint32_t timeout_ms);
static bool s_dvp_dma_trans_done_callback(dw_gdma_channel_handle_t chan, const dw_gdma_trans_done_event_data_t *event_data, void *user_data);
static void *s_isp_dvp_alloc_buffer(esp_cam_ctlr_t *handle, size_t size, uint32_t buf_caps);
esp_err_t esp_cam_new_isp_dvp_ctlr(isp_proc_handle_t isp_proc, const esp_cam_ctlr_isp_dvp_cfg_t *ctlr_config, esp_cam_ctlr_handle_t *ret_handle)
{
@@ -200,6 +201,7 @@ esp_err_t esp_cam_new_isp_dvp_ctlr(isp_proc_handle_t isp_proc, const esp_cam_ctl
cam_ctlr->register_event_callbacks = s_isp_dvp_register_event_callbacks;
cam_ctlr->get_internal_buffer = s_isp_dvp_get_frame_buffer;
cam_ctlr->get_buffer_len = s_isp_dvp_get_frame_buffer_length;
cam_ctlr->alloc_buffer = s_isp_dvp_alloc_buffer;
*ret_handle = cam_ctlr;
return ESP_OK;
@@ -594,3 +596,23 @@ static esp_err_t s_isp_declaim_dvp_controller(isp_dvp_controller_t *dvp_ctlr)
return ESP_OK;
}
static void *s_isp_dvp_alloc_buffer(esp_cam_ctlr_t *handle, size_t size, uint32_t buf_caps)
{
isp_dvp_controller_t *dvp_ctlr = __containerof(handle, isp_dvp_controller_t, base);
if (!dvp_ctlr) {
ESP_LOGE(TAG, "invalid argument: handle is null");
return NULL;
}
void *buffer = heap_caps_calloc(1, size, buf_caps);
if (!buffer) {
ESP_LOGE(TAG, "failed to allocate buffer");
return NULL;
}
ESP_LOGD(TAG, "Allocated camera buffer: %p, size: %zu", buffer, size);
return buffer;
}