50 lines
745 B
C
50 lines
745 B
C
/*
|
|
* adc.h
|
|
*
|
|
* Created on: 08.02.2019
|
|
* Author: julian
|
|
*/
|
|
|
|
#ifndef ADC_H_
|
|
#define ADC_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef uint16_t adc_sample_t;
|
|
|
|
typedef struct {
|
|
adc_sample_t ** ptr;
|
|
uint8_t size;
|
|
} adc_buffer_t;
|
|
|
|
typedef struct adc {
|
|
adc_buffer_t buffer;
|
|
|
|
uint8_t current_channel;
|
|
adc_sample_t ** current_sample;
|
|
uint8_t channel_mask;
|
|
} adc_t;
|
|
|
|
// the adc instance
|
|
extern volatile adc_t adc;
|
|
|
|
enum {
|
|
ADC_CHANNEL_0 = 0x01,
|
|
ADC_CHANNEL_1 = 0x02,
|
|
ADC_CHANNEL_2 = 0x04,
|
|
ADC_CHANNEL_3 = 0x08,
|
|
ADC_CHANNEL_4 = 0x10,
|
|
ADC_CHANNEL_5 = 0x20,
|
|
ADC_CHANNEL_6 = 0x40,
|
|
ADC_CHANNEL_7 = 0x80,
|
|
ADC_CHANNEL_ALL = 0xFF,
|
|
};
|
|
|
|
|
|
void adc_init(adc_buffer_t buffer, uint8_t channel_mask);
|
|
|
|
void adc_start();
|
|
void adc_stop();
|
|
|
|
#endif /* ADC_H_ */
|