MAV'RIC: /home/travis/build/lis-epfl/MAVRIC_Library/drivers/unsupported/ads1274.h Source File

00001 /*******************************************************************************
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00016  * may be used to endorse or promote products derived from this software without
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00031 
00032 /*******************************************************************************
00033  * \file ads1274.h
00034  *
00035  * \author MAV'RIC Team
00036  * \author Felix Schill
00037  *
00038  * \brief This file is the Driver for the external ADC: ADS1274
00039  * (4ch, 24 bit, SPI interface)
00040  *
00041  ******************************************************************************/
00042 
00043 
00044 #ifndef ADS1274_H
00045 #define ADS1274_H
00046 
00047 #ifdef __cplusplus
00048 extern "C" {
00049 #endif
00050 
00051 #include <avr32/io.h>
00052 #include "libs/asf/avr32/utils/preprocessor/preprocessor.h"
00053 #include <stdint.h>
00054 #include <stdbool.h>
00055 #include "libs/asf/common/boards/user_board/user_board.h"
00056 
00057 
00058 #define ADC_BUFFER_SIZE 1024
00059 #define ADC_INPUT_CHANNELS 4
00060 // -----  Pin configurations -------
00061 #define ADC_SPI_PORT AVR32_SPI0
00062 #define ADC_SPI_INDEX 0
00063 
00067 typedef uint16_t (*generatorfunction)(uint32_t);
00068 
00076 void ads1274_set_DAC_generator_function(generatorfunction new_function_generator);
00077 
00081 void ads1274_init_DAC(void);
00082 
00088 void ads1274_ADC_switch_clock(bool on_off);
00089 
00096 void ads1274_ADC_switch_channel(int32_t channel, bool on_off);
00097 
00103 void ads1274_ADC_set_mode(int32_t mode);
00104 
00108 void ads1274_ADC_start_sampling(void);
00109 
00113 void ads1274_ADC_start_oneshot(void);
00114 
00118 void ads1274_ADC_stop_sampling(void);
00119 
00125 bool Sampling_Complete(void);
00126 
00132 int32_t get_interrupt_counter(void);
00133 
00139 int32_t get_sampling_status(void);
00140 
00149 float get_sample(int32_t channel, int32_t sample);
00150 
00151 #ifdef __cplusplus
00152 }
00153 #endif
00154 
00155 #endif