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Merge pull request #6 from TheNitek/pwdn-support

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Support for power down pin like on AI-Thinker esp32-cam module
This commit is contained in:
Me No Dev
2018-12-11 18:53:25 +01:00
committed by GitHub
parent 1f9e00849f 3de2c46270
commit f8f26ab044
2 changed files with 16 additions and 0 deletions
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14
driver/camera.c
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@@ -840,6 +840,20 @@ esp_err_t camera_probe(const camera_config_t* config, camera_model_t* out_camera
ESP_LOGD(TAG, "Initializing SSCB");
SCCB_Init(config->pin_sscb_sda, config->pin_sscb_scl);
if(config->pin_pwdn >= 0) {
ESP_LOGD(TAG, "Resetting camera by power down line");
gpio_config_t conf = { 0 };
conf.pin_bit_mask = 1LL << config->pin_pwdn;
conf.mode = GPIO_MODE_OUTPUT;
gpio_config(&conf);
// carefull, logic is inverted compared to reset pin
gpio_set_level(config->pin_pwdn, 1);
vTaskDelay(10 / portTICK_PERIOD_MS);
gpio_set_level(config->pin_pwdn, 0);
vTaskDelay(10 / portTICK_PERIOD_MS);
}
if(config->pin_reset >= 0) {
ESP_LOGD(TAG, "Resetting camera");

2
driver/include/esp_camera.h
View File

@@ -15,6 +15,7 @@
* Example Use
*
static camera_config_t camera_example_config = {
.pin_pwdn = PIN_PWDN,
.pin_reset = PIN_RESET,
.pin_xclk = PIN_XCLK,
.pin_sscb_sda = PIN_SIOD,
@@ -76,6 +77,7 @@ extern "C" {
* @brief Configuration structure for camera initialization
*/
typedef struct {
int pin_pwdn; /*!< GPIO pin for camera power down line */
int pin_reset; /*!< GPIO pin for camera reset line */
int pin_xclk; /*!< GPIO pin for camera XCLK line */
int pin_sscb_sda; /*!< GPIO pin for camera SDA line */