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allow webcam to reuse and share I2C bus 2

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This commit is contained in:
Christian Baars 2022-10-29 20:13:00 +02:00
parent 314dbf5e6b
commit 1378d57377
1 changed files with 11 additions and 4 deletions
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15
tasmota/tasmota_xdrv_driver/xdrv_81_esp32_webcam.ino
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@ -191,8 +191,9 @@ bool WcPinUsed(void) {
}
if (!PinUsed(GPIO_WEBCAM_XCLK) || !PinUsed(GPIO_WEBCAM_PCLK) ||
!PinUsed(GPIO_WEBCAM_VSYNC) || !PinUsed(GPIO_WEBCAM_HREF) ||
!PinUsed(GPIO_WEBCAM_SIOD) || !PinUsed(GPIO_WEBCAM_SIOC)) {
pin_used = false;
((!PinUsed(GPIO_WEBCAM_SIOD) || !PinUsed(GPIO_WEBCAM_SIOC)) && !TasmotaGlobal.i2c_enabled_2) // preferred option is to reuse and share I2Cbus 2
) {
pin_used = false;
}
return pin_used;
}
@ -341,8 +342,14 @@ uint32_t WcSetup(int32_t fsiz) {
config.pin_pclk = Pin(GPIO_WEBCAM_PCLK); // PCLK_GPIO_NUM;
config.pin_vsync = Pin(GPIO_WEBCAM_VSYNC); // VSYNC_GPIO_NUM;
config.pin_href = Pin(GPIO_WEBCAM_HREF); // HREF_GPIO_NUM;
config.pin_sscb_sda = Pin(GPIO_WEBCAM_SIOD); // SIOD_GPIO_NUM;
config.pin_sscb_scl = Pin(GPIO_WEBCAM_SIOC); // SIOC_GPIO_NUM;
config.pin_sccb_sda = Pin(GPIO_WEBCAM_SIOD); // SIOD_GPIO_NUM; - unset to use shared I2C bus 2
config.pin_sccb_scl = Pin(GPIO_WEBCAM_SIOC); // SIOC_GPIO_NUM;
if(TasmotaGlobal.i2c_enabled_2){ // configure SIOD and SIOC as SDA,2 and SCL,2
config.sccb_i2c_port = 1; // reuse initialized bus 2, can be shared now
if(config.pin_sccb_sda < 0){ // GPIO_WEBCAM_SIOD must not be set to really make it happen
AddLog(LOG_LEVEL_INFO, PSTR("CAM: use I2C bus 2"));
}
}
config.pin_pwdn = Pin(GPIO_WEBCAM_PWDN); // PWDN_GPIO_NUM;
config.pin_reset = Pin(GPIO_WEBCAM_RESET); // RESET_GPIO_NUM;
AddLog(LOG_LEVEL_DEBUG, PSTR("CAM: Template pin config"));