Complete embedded bootcamp firmware #266
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dechair3
reviewed
Jan 9, 2026
| { | ||
| uint8_t tx[2]; | ||
| uint8_t rx[2]; | ||
| uint16_t adc_value; |
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Are you sure you meant to allocate 2 bytes?
dechair3
reviewed
Jan 9, 2026
nucleof072rb/Core/Src/main.c
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| HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_RESET); | ||
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| HAL_SPI_TransmitReceive(&hspi1, tx, rx, 2, HAL_MAX_DELAY); |
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Are you sure you meant to only transmit/receive for 2 bytes? The diagram in 6.1 of the adc datasheet seems to disagree
dechair3
reviewed
Jan 9, 2026
nucleof072rb/Core/Src/main.c
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| HAL_GPIO_WritePin(LD2_GPIO_Port, LD2_Pin, GPIO_PIN_SET); | ||
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| adc_value = ((rx[0] & 0x03) << 8) | rx[1]; |
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might need to adjust this later or not :)
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Completed embedded firmware bootcamp