Elron_dev/elbear_arduino_bsp
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добавлена функция, отключающая А4, А5 от ацп после преобразования

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KLASSENTS 2025-01-27 16:24:19 +07:00
parent 30715cb3d5
commit a5b21d6065
2 changed files with 11 additions and 0 deletions
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1
variants/elbear_nano/pins_arduino.h
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@ -71,6 +71,7 @@ volatile uint32_t* portOutputRegister(GPIO_TypeDef* GPIO_x);
volatile uint32_t* portInputRegister(GPIO_TypeDef* GPIO_x);
// the function initializes additional MCU pins depending on the specified pin number
void additionalPinsInit(uint32_t PinNumber);
void additionalPinsDeinit(uint32_t PinNumber);
// UART
// available uarts quantity

10
variants/elbear_nano/variant.c
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@ -142,6 +142,16 @@ void additionalPinsInit(uint32_t PinNumber)
}
}
void additionalPinsDeinit(uint32_t PinNumber)
{
if (PinNumber == A4 || PinNumber == A5)
{
// select A7 via switches selaA, selaB to allow using A4 and A5 as digital outputs
HAL_GPIO_WritePin(SELA_A_PORT, SELA_A_PIN, GPIO_PIN_HIGH);
HAL_GPIO_WritePin(SELA_B_PORT, SELA_B_PIN, GPIO_PIN_HIGH);
}
}
// ---------------------- ADC ---------------------- //
// determines the ADC channel number by the board pin number
uint32_t analogInputToChannelNumber(uint32_t PinNumber)