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feat(cam): add camera buffer alloc function

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gaoxu
2025-07-04 16:58:44 +08:00
parent b9c224215e
commit ee3de247e2
13 changed files with 166 additions and 35 deletions
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23
examples/peripherals/camera/dvp_dsi/main/dvp_dsi_main.c
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@@ -66,17 +66,6 @@ void app_main(void)
ESP_LOGD(TAG, "frame_buffer_size: %zu", frame_buffer_size);
ESP_LOGD(TAG, "frame_buffer: %p", frame_buffer);
size_t cam_buffer_size = CONFIG_EXAMPLE_CAM_HRES * CONFIG_EXAMPLE_CAM_VRES * EXAMPLE_RGB565_BITS_PER_PIXEL / 8;
void *cam_buffer = heap_caps_calloc(1, cam_buffer_size, MALLOC_CAP_DMA | MALLOC_CAP_SPIRAM);
if (!cam_buffer) {
ESP_LOGE(TAG, "no mem for cam_buffer");
return;
}
esp_cam_ctlr_trans_t cam_trans = {
.buffer = cam_buffer,
.buflen = cam_buffer_size,
};
//----------CAM Controller Init------------//
esp_cam_ctlr_handle_t cam_handle = NULL;
esp_cam_ctlr_dvp_pin_config_t pin_cfg = {
@@ -115,6 +104,18 @@ void app_main(void)
return;
}
//--------Allocate Camera Buffer----------//
size_t cam_buffer_size = CONFIG_EXAMPLE_CAM_HRES * CONFIG_EXAMPLE_CAM_VRES * EXAMPLE_RGB565_BITS_PER_PIXEL / 8;
void *cam_buffer = esp_cam_ctlr_alloc_buffer(cam_handle, cam_buffer_size, MALLOC_CAP_DMA | MALLOC_CAP_SPIRAM);
if (!cam_buffer) {
ESP_LOGE(TAG, "no mem for cam_buffer");
return;
}
esp_cam_ctlr_trans_t cam_trans = {
.buffer = cam_buffer,
.buflen = cam_buffer_size,
};
//--------Camera Sensor and SCCB Init-----------//
example_sensor_config_t cam_sensor_config = {
.i2c_port_num = I2C_NUM_0,