firmware/edu16_sbc
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This commit is contained in:
ThePetrovich 2026-05-07 23:21:11 +08:00
parent 70798b6bf7
commit 3e77d34ccc
10 changed files with 669 additions and 146 deletions
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35
sbc_fw/utils.h
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@ -16,6 +16,19 @@
#include <stdint.h>
#define SERIAL_BUFFER_CLEAR() \
do { \
while (Serial.available()) { \
Serial.read(); \
} \
} while (0)
#define SERIAL_SEND_OK() \
do { \
Serial.print("ok\n"); \
Serial.flush(); \
SERIAL_BUFFER_CLEAR(); \
} while (0)
/**
* @brief Calculate CRC16 using XMODEM polynomial
* @param data Pointer to data buffer
@ -24,26 +37,4 @@
*/
uint16_t calculate_crc16_xmodem(uint8_t *data, uint16_t len);
/**
* @brief Convert ADC reading to temperature in 0.1°C
* @param adc_value 12-bit ADC reading
* @return Temperature in 0.1°C
*/
int16_t adc_to_temperature_c(uint16_t adc_value);
/**
* @brief Convert ADC reading to voltage in mV
* @param adc_value ADC reading
* @return Voltage in mV
*/
uint16_t adc_to_voltage_mv(uint16_t adc_value);
/**
* @brief Read ADC with oversampling
* @param pin Analog pin to read
* @param samples Number of samples for oversampling
* @return Averaged ADC value
*/
uint16_t read_adc_oversampled(uint8_t pin, uint8_t samples);
#endif // UTILS_H