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Store/Retrieve pixformat to/from NVS

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This commit is contained in:
Bond Keevil
2019-08-29 10:15:45 -04:00
parent 32507f29d0
commit dac5f673f2
1 changed files with 15 additions and 5 deletions
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20
driver/camera.c
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@@ -70,6 +70,7 @@ typedef enum {
static const char* TAG = "camera";
#endif
static const char* CAMERA_SENSOR_NVS_KEY = "sensor";
static const char* CAMERA_PIXFORMAT_NVS_KEY = "pixformat";
typedef void (*dma_filter_t)(const dma_elem_t* src, lldesc_t* dma_desc, uint8_t* dst);
@@ -1368,6 +1369,10 @@ esp_err_t esp_camera_save_to_nvs(const char *key)
sensor_t *s = esp_camera_sensor_get();
if (s != NULL) {
ret = nvs_set_blob(handle,CAMERA_SENSOR_NVS_KEY,&s->status,sizeof(camera_status_t));
if (ret == ESP_OK) {
uint8_t pf = s->pixformat;
ret = nvs_set_u8(handle,CAMERA_PIXFORMAT_NVS_KEY,pf);
}
return ret;
} else {
return ESP_ERR_CAMERA_NOT_DETECTED;
@@ -1382,16 +1387,17 @@ esp_err_t esp_camera_save_to_nvs(const char *key)
esp_err_t esp_camera_load_from_nvs(const char *key)
{
nvs_handle_t handle;
uint8_t pf;
esp_err_t ret = nvs_open(key,NVS_READWRITE,&handle);
if (ret == ESP_OK) {
sensor_t *s = esp_camera_sensor_get();
camera_status_t st;
if (s != NULL) {
size_t size = sizeof(camera_status_t);
ret = nvs_get_blob(handle,CAMERA_SENSOR_NVS_KEY,&st,&size);
if (ret == ESP_OK) {
size_t size = sizeof(camera_status_t);
ret = nvs_get_blob(handle,CAMERA_SENSOR_NVS_KEY,&st,&size);
if (ret == ESP_OK) {
s->set_ae_level(s,st.ae_level);
s->set_aec2(s,st.aec2);
s->set_aec_value(s,st.aec_value);
@@ -1418,7 +1424,11 @@ esp_err_t esp_camera_load_from_nvs(const char *key)
s->set_wb_mode(s,st.wb_mode);
s->set_whitebal(s,st.awb);
s->set_wpc(s,st.wpc);
}
}
ret = nvs_get_u8(handle,CAMERA_PIXFORMAT_NVS_KEY,&pf);
if (ret == ESP_OK) {
s->set_pixformat(s,pf);
}
} else {
return ESP_ERR_CAMERA_NOT_DETECTED;
}