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feat(cam): add camera buffer alloc function

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This commit is contained in:
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,

23
examples/peripherals/camera/dvp_isp_dsi/main/dvp_isp_dsi_main.c
View File

@@ -98,17 +98,6 @@ 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,
};
//--------Camera Sensor and SCCB Init-----------//
s_ledc_generate_dvp_xclk();
@@ -167,6 +156,18 @@ 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,
};
esp_cam_ctlr_evt_cbs_t cbs = {
.on_get_new_trans = s_camera_get_new_vb,
.on_trans_finished = s_camera_get_finished_trans,

13
examples/peripherals/camera/dvp_spi_lcd/main/dvp_spi_lcd_main.c
View File

@@ -119,13 +119,6 @@ void app_main(void)
esp_lcd_panel_handle_t lcd_panel_hdl = NULL;
esp_lcd_panel_io_handle_t lcd_io_hdl = NULL;
size_t cam_buffer_size = CONFIG_EXAMPLE_CAM_HRES * CONFIG_EXAMPLE_CAM_VRES * EXAMPLE_RGB565_BITS_PER_PIXEL / 8;
void *cam_buffer = heap_caps_malloc(cam_buffer_size, EXAMPLE_DVP_CAM_BUF_ALLOC_CAPS);
if (!cam_buffer) {
ESP_LOGE(TAG, "no mem for cam_buffer");
return;
}
lcd_display_init(&lcd_panel_hdl, lcd_io_hdl);
//----------CAM Controller Init------------//
@@ -166,6 +159,12 @@ 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 = NULL;
cam_buffer = esp_cam_ctlr_alloc_buffer(cam_handle, cam_buffer_size, EXAMPLE_DVP_CAM_BUF_ALLOC_CAPS);
//--------Camera Sensor and SCCB Init-----------//
example_sensor_config_t cam_sensor_config = {
.i2c_port_num = I2C_NUM_0,