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fix: serial power port handling #5190

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merged 1 commit into from
Jun 16, 2024
Merged

fix: serial power port handling #5190

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9 changes: 7 additions & 2 deletions radio/src/serial.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -455,8 +455,13 @@ void serialInit(uint8_t port_nr, int mode)

serialSetupPort(mode, params);

if (mode == UART_MODE_NONE ||
!port || params.baudrate == 0 ||
if (mode == UART_MODE_NONE ) {
// Even if port has no mode, port power needs to be set
serialSetPowerState(port_nr);
return;
}

if (!port || params.baudrate == 0 ||
!port->uart || !port->uart->init)
return;

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8 changes: 8 additions & 0 deletions radio/src/targets/common/arm/stm32/pwr_driver.cpp
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Expand Up @@ -75,6 +75,14 @@ void pwrInit()

hardwareOptions.pcbrev = PCBREV_VALUE();
#endif

// Aux serial port power
#if defined(AUX_SERIAL_PWR_GPIO)
gpio_init(AUX_SERIAL_PWR_GPIO, GPIO_OUT, GPIO_PIN_SPEED_LOW);
#endif
#if defined(AUX2_SERIAL_PWR_GPIO)
gpio_init(AUX2_SERIAL_PWR_GPIO, GPIO_OUT, GPIO_PIN_SPEED_LOW);
#endif
}

void pwrOn()
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