Elmaddin Guliyev / Mbed 2 deprecated ADS1299

configuring and reading adc1299 using spi interface

Dependencies:   mbed

ads1299.h@0:99e31762ab2f, 2019-05-29 (annotated)

Committer:
eguliyev
Date:
Wed May 29 03:43:46 2019 +0000
Revision:
0:99e31762ab2f
how to read texas instrument adc1299 using nucleo f4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
eguliyev 0:99e31762ab2f 1 #ifndef _ADS1299_h
eguliyev 0:99e31762ab2f 2 #define _ADS1299_h
eguliyev 0:99e31762ab2f 3
eguliyev 0:99e31762ab2f 4 #define ADS129X_CMD_WAKEUP 0x02 // Wake-up from standby mode
eguliyev 0:99e31762ab2f 5 #define ADS129X_CMD_STANDBY 0x04 // Enter Standby mode
eguliyev 0:99e31762ab2f 6 #define ADS129X_CMD_RESET 0x06 // Reset the device
eguliyev 0:99e31762ab2f 7 #define ADS129X_CMD_START 0x08 // Start and restart (synchronize) conversions
eguliyev 0:99e31762ab2f 8 #define ADS129X_CMD_STOP 0x0A // Stop conversion
eguliyev 0:99e31762ab2f 9 #define ADS129X_CMD_RDATAC 0x10 // Enable Read Data Continuous mode (default mode at power-up)
eguliyev 0:99e31762ab2f 10 #define ADS129X_CMD_SDATAC 0x11 // Stop Read Data Continuous mode
eguliyev 0:99e31762ab2f 11 #define ADS129X_CMD_RDATA 0x12 // Read data by command; supports multiple read back
eguliyev 0:99e31762ab2f 12 #define ADS129X_CMD_RREG 0x20 // (also = 00100000) is the first opcode that the address must be added to for RREG communication
eguliyev 0:99e31762ab2f 13 #define ADS129X_CMD_WREG 0x40 // 01000000 in binary (Datasheet, pg. 35)
eguliyev 0:99e31762ab2f 14
eguliyev 0:99e31762ab2f 15 // Register Addresses
eguliyev 0:99e31762ab2f 16 #define ADS129X_REG_ID 0x00 // ID Control Register
eguliyev 0:99e31762ab2f 17 #define ADS129X_REG_CONFIG1 0x01 // Configuration Register 1
eguliyev 0:99e31762ab2f 18 #define ADS129X_REG_CONFIG2 0x02 // Configuration Register 2
eguliyev 0:99e31762ab2f 19 #define ADS129X_REG_CONFIG3 0x03 // Configuration Register 3
eguliyev 0:99e31762ab2f 20 #define ADS129X_REG_LOFF 0x04 // Lead-Off Control Register
eguliyev 0:99e31762ab2f 21 #define ADS129X_REG_CH1SET 0x05 // Individual Channel Settings 1-8
eguliyev 0:99e31762ab2f 22 #define ADS129X_REG_CH2SET 0x06 // ---
eguliyev 0:99e31762ab2f 23 #define ADS129X_REG_CH3SET 0x07 // ---
eguliyev 0:99e31762ab2f 24 #define ADS129X_REG_CH4SET 0x08 // ---
eguliyev 0:99e31762ab2f 25 #define ADS129X_REG_CH5SET 0x09 // ---
eguliyev 0:99e31762ab2f 26 #define ADS129X_REG_CH6SET 0x0A // ---
eguliyev 0:99e31762ab2f 27 #define ADS129X_REG_CH7SET 0x0B // ---
eguliyev 0:99e31762ab2f 28 #define ADS129X_REG_CH8SET 0x0C // ---
eguliyev 0:99e31762ab2f 29 #define ADS129X_REG_RLD_SENSP 0x0D // Right Leg Drive, positive side
eguliyev 0:99e31762ab2f 30 #define ADS129X_REG_RLD_SENSN 0x0E // Right Leg Drive, negative side
eguliyev 0:99e31762ab2f 31 #define ADS129X_REG_LOFF_SENSP 0x0F // Lead-Off Detection, positive side
eguliyev 0:99e31762ab2f 32 #define ADS129X_REG_LOFF_SENSN 0x10 // Lead-Off Detection, negative side
eguliyev 0:99e31762ab2f 33 #define ADS129X_REG_LOFF_FLIP 0x11 // Lead-Off Detection, current direction
eguliyev 0:99e31762ab2f 34 #define ADS129X_REG_LOFF_STATP 0x12 // Electrode Status, positive (read-only)
eguliyev 0:99e31762ab2f 35 #define ADS129X_REG_LOFF_STATN 0x13 // Electrode Status, negative (read-only)
eguliyev 0:99e31762ab2f 36 #define ADS129X_REG_GPIO 0x14 // General-Purpose I/O Register
eguliyev 0:99e31762ab2f 37 #define ADS129X_REG_PACE 0x15 // PACE Detect Register
eguliyev 0:99e31762ab2f 38 #define ADS129X_REG_RESP 0x16 // Respiration Control Register
eguliyev 0:99e31762ab2f 39 #define ADS129X_REG_CONFIG4 0x17 // Configuration Register 4
eguliyev 0:99e31762ab2f 40 #define ADS129X_REG_WCT1 0x18 // Wilson Central Terminal and Augmented Lead Control Register
eguliyev 0:99e31762ab2f 41 #define ADS129X_REG_WCT2 0x19 // Wilson Central Terminal Control Register
eguliyev 0:99e31762ab2f 42
eguliyev 0:99e31762ab2f 43 // IDs
eguliyev 0:99e31762ab2f 44 #define ADS129X_ID_ADS1294 0x90
eguliyev 0:99e31762ab2f 45 #define ADS129X_ID_ADS1296 0x91
eguliyev 0:99e31762ab2f 46 #define ADS129X_ID_ADS1298 0x92
eguliyev 0:99e31762ab2f 47 #define ADS129X_ID_ADS1294R 0xD0
eguliyev 0:99e31762ab2f 48 #define ADS129X_ID_ADS1296R 0xD1
eguliyev 0:99e31762ab2f 49 #define ADS129X_ID_ADS1298R 0xD2
eguliyev 0:99e31762ab2f 50
eguliyev 0:99e31762ab2f 51 // Configuration Register 1
eguliyev 0:99e31762ab2f 52 #define ADS129X_BIT_HR 0x7
eguliyev 0:99e31762ab2f 53 #define ADS129X_BIT_DAISY_EN 0x6
eguliyev 0:99e31762ab2f 54 #define ADS129X_BIT_CLK_EN 0x5
eguliyev 0:99e31762ab2f 55
eguliyev 0:99e31762ab2f 56 #define ADS129X_BIT_DR2 0x2
eguliyev 0:99e31762ab2f 57 #define ADS129X_BIT_DR1 0x1
eguliyev 0:99e31762ab2f 58 #define ADS129X_BIT_DR0 0x0
eguliyev 0:99e31762ab2f 59
eguliyev 0:99e31762ab2f 60 // Configuration Register 2
eguliyev 0:99e31762ab2f 61
eguliyev 0:99e31762ab2f 62 #define ADS129X_BIT_WCT_CHOP 0x5
eguliyev 0:99e31762ab2f 63 #define ADS129X_BIT_INT_TEST 0x4
eguliyev 0:99e31762ab2f 64 // always 0
eguliyev 0:99e31762ab2f 65 #define ADS129X_BIT_TEST_AMP 0x2
eguliyev 0:99e31762ab2f 66 #define ADS129X_BIT_TEST_FREQ1 0x1
eguliyev 0:99e31762ab2f 67 #define ADS129X_BIT_TEST_FREQ0 0x0
eguliyev 0:99e31762ab2f 68 #define ADS129X_TEST_FREQ_1HZ 0x0
eguliyev 0:99e31762ab2f 69 #define ADS129X_TEST_FREQ_2HZ 0x1
eguliyev 0:99e31762ab2f 70 #define ADS129X_TEST_FREQ_DC 0x3
eguliyev 0:99e31762ab2f 71
eguliyev 0:99e31762ab2f 72 // Configuration Register 3
eguliyev 0:99e31762ab2f 73 #define ADS129X_BIT_PD_REFBUF 0x7
eguliyev 0:99e31762ab2f 74 // always 1
eguliyev 0:99e31762ab2f 75 #define ADS129X_BIT_VREF_4V 0x5
eguliyev 0:99e31762ab2f 76 #define ADS129X_BIT_RLD_MEAS 0x4
eguliyev 0:99e31762ab2f 77 #define ADS129X_BIT_RLDREF_INT 0x3
eguliyev 0:99e31762ab2f 78 #define ADS129X_BIT_PD_RLD 0x2
eguliyev 0:99e31762ab2f 79 #define ADS129X_BIT_RLD_LOFF_SENS 0x1
eguliyev 0:99e31762ab2f 80 #define ADS129X_BIT_RLD_STAT 0x0
eguliyev 0:99e31762ab2f 81
eguliyev 0:99e31762ab2f 82 // Lead-Off Control Register
eguliyev 0:99e31762ab2f 83 #define ADS129X_BIT_COMP_TH2 0x7
eguliyev 0:99e31762ab2f 84 #define ADS129X_BIT_COMP_TH1 0x6
eguliyev 0:99e31762ab2f 85 #define ADS129X_BIT_COMP_TH0 0x5
eguliyev 0:99e31762ab2f 86 #define ADS129X_BIT_VLEAD_OFF_EN 0x4
eguliyev 0:99e31762ab2f 87 #define ADS129X_BIT_ILEAD_OFF1 0x3
eguliyev 0:99e31762ab2f 88 #define ADS129X_BIT_ILEAD_OFF0 0x2
eguliyev 0:99e31762ab2f 89 #define ADS129X_BIT_FLEAD_OFF1 0x1
eguliyev 0:99e31762ab2f 90 #define ADS129X_BIT_FLEAD_OFF0 0x0
eguliyev 0:99e31762ab2f 91
eguliyev 0:99e31762ab2f 92 // Individual Channel Settings
eguliyev 0:99e31762ab2f 93 #define ADS129X_BIT_PD 0x7
eguliyev 0:99e31762ab2f 94 #define ADS129X_BIT_GAIN2 0x6
eguliyev 0:99e31762ab2f 95 #define ADS129X_BIT_GAIN1 0x5
eguliyev 0:99e31762ab2f 96 #define ADS129X_BIT_GAIN0 0x4
eguliyev 0:99e31762ab2f 97 // always 0
eguliyev 0:99e31762ab2f 98 #define ADS129X_BIT_MUX2 0x2
eguliyev 0:99e31762ab2f 99 #define ADS129X_BIT_MUX1 0x1
eguliyev 0:99e31762ab2f 100 #define ADS129X_BIT_MUX0 0x0
eguliyev 0:99e31762ab2f 101
eguliyev 0:99e31762ab2f 102 // Channel Select
eguliyev 0:99e31762ab2f 103 #define ADS129X_BIT_CH8 0x7
eguliyev 0:99e31762ab2f 104 #define ADS129X_BIT_CH7 0x6
eguliyev 0:99e31762ab2f 105 #define ADS129X_BIT_CH6 0x5
eguliyev 0:99e31762ab2f 106 #define ADS129X_BIT_CH5 0x4
eguliyev 0:99e31762ab2f 107 #define ADS129X_BIT_CH4 0x3
eguliyev 0:99e31762ab2f 108 #define ADS129X_BIT_CH3 0x2
eguliyev 0:99e31762ab2f 109 #define ADS129X_BIT_CH2 0x1
eguliyev 0:99e31762ab2f 110 #define ADS129X_BIT_CH1 0x0
eguliyev 0:99e31762ab2f 111
eguliyev 0:99e31762ab2f 112 // General-Purpose I/O Register
eguliyev 0:99e31762ab2f 113 #define ADS129X_BIT_GPIOD4 0x7
eguliyev 0:99e31762ab2f 114 #define ADS129X_BIT_GPIOD3 0x6
eguliyev 0:99e31762ab2f 115 #define ADS129X_BIT_GPIOD2 0x5
eguliyev 0:99e31762ab2f 116 #define ADS129X_BIT_GPIOD1 0x4
eguliyev 0:99e31762ab2f 117 #define ADS129X_BIT_GPIOC4 0x3
eguliyev 0:99e31762ab2f 118 #define ADS129X_BIT_GPIOC3 0x2
eguliyev 0:99e31762ab2f 119 #define ADS129X_BIT_GPIOC2 0x1
eguliyev 0:99e31762ab2f 120 #define ADS129X_BIT_GPIOC1 0x0
eguliyev 0:99e31762ab2f 121
eguliyev 0:99e31762ab2f 122 // PACE Detect Register
eguliyev 0:99e31762ab2f 123
eguliyev 0:99e31762ab2f 124 #define ADS129X_BIT_PACEE1 0x4
eguliyev 0:99e31762ab2f 125 #define ADS129X_BIT_PACEE0 0x3
eguliyev 0:99e31762ab2f 126 #define ADS129X_BIT_PACEO1 0x2
eguliyev 0:99e31762ab2f 127 #define ADS129X_BIT_PACEO0 0x1
eguliyev 0:99e31762ab2f 128 #define ADS129X_BIT_PD_PACE 0x0
eguliyev 0:99e31762ab2f 129
eguliyev 0:99e31762ab2f 130 // Respiration Control Register
eguliyev 0:99e31762ab2f 131 #define ADS129X_BIT_RESP_DEMOD_EN1 0x7
eguliyev 0:99e31762ab2f 132 #define ADS129X_BIT_RESP_MOD_EN1 0x6
eguliyev 0:99e31762ab2f 133 // always 1
eguliyev 0:99e31762ab2f 134 #define ADS129X_BIT_RESP_PH2 0x4
eguliyev 0:99e31762ab2f 135 #define ADS129X_BIT_RESP_PH1 0x3
eguliyev 0:99e31762ab2f 136 #define ADS129X_BIT_RESP_PH0 0x2
eguliyev 0:99e31762ab2f 137 #define ADS129X_BIT_RESP_CTRL1 0x1
eguliyev 0:99e31762ab2f 138 #define ADS129X_BIT_RESP_CTRL0 0x0
eguliyev 0:99e31762ab2f 139
eguliyev 0:99e31762ab2f 140 // Configuration Register 4
eguliyev 0:99e31762ab2f 141 #define ADS129X_BIT_RESP_FREQ2 0x7
eguliyev 0:99e31762ab2f 142 #define ADS129X_BIT_RESP_FREQ1 0x6
eguliyev 0:99e31762ab2f 143 #define ADS129X_BIT_RESP_FREQ0 0x5
eguliyev 0:99e31762ab2f 144 // always 0
eguliyev 0:99e31762ab2f 145 #define ADS129X_BIT_SINGLE_SHOT 0x3
eguliyev 0:99e31762ab2f 146 #define ADS129X_BIT_WCT_TO_RLD 0x2
eguliyev 0:99e31762ab2f 147 #define ADS129X_BIT_PD_LOFF_COMP 0x1
eguliyev 0:99e31762ab2f 148 // always 0
eguliyev 0:99e31762ab2f 149
eguliyev 0:99e31762ab2f 150 // Wilson Central Terminal and Augmented Lead Control Register
eguliyev 0:99e31762ab2f 151 #define ADS129X_BIT_aVF_CH6 0x7
eguliyev 0:99e31762ab2f 152 #define ADS129X_BIT_aVF_CH5 0x6
eguliyev 0:99e31762ab2f 153 #define ADS129X_BIT_aVF_CH7 0x5
eguliyev 0:99e31762ab2f 154 #define ADS129X_BIT_aVF_CH4 0x4
eguliyev 0:99e31762ab2f 155 #define ADS129X_BIT_PD_WCTA 0x3
eguliyev 0:99e31762ab2f 156 #define ADS129X_BIT_WCTA2 0x2
eguliyev 0:99e31762ab2f 157 #define ADS129X_BIT_WCTA1 0x1
eguliyev 0:99e31762ab2f 158 #define ADS129X_BIT_WCTA0 0x0
eguliyev 0:99e31762ab2f 159
eguliyev 0:99e31762ab2f 160 // Wilson Central Terminal Control Register
eguliyev 0:99e31762ab2f 161 #define ADS129X_BIT_PD_WCTC 0x7
eguliyev 0:99e31762ab2f 162 #define ADS129X_BIT_PD_WCTB 0x6
eguliyev 0:99e31762ab2f 163 #define ADS129X_BIT_WCTB2 0x5
eguliyev 0:99e31762ab2f 164 #define ADS129X_BIT_WCTB1 0x4
eguliyev 0:99e31762ab2f 165 #define ADS129X_BIT_WCTB0 0x3
eguliyev 0:99e31762ab2f 166 #define ADS129X_BIT_WCTC2 0x2
eguliyev 0:99e31762ab2f 167 #define ADS129X_BIT_WCTC1 0x1
eguliyev 0:99e31762ab2f 168 #define ADS129X_BIT_WCTC0 0x0
eguliyev 0:99e31762ab2f 169
eguliyev 0:99e31762ab2f 170 // Gain Configuration
eguliyev 0:99e31762ab2f 171 #define ADS129X_GAIN_6X 0x0
eguliyev 0:99e31762ab2f 172 #define ADS129X_GAIN_1X 0x1
eguliyev 0:99e31762ab2f 173 #define ADS129X_GAIN_2X 0x2
eguliyev 0:99e31762ab2f 174 #define ADS129X_GAIN_3X 0x3
eguliyev 0:99e31762ab2f 175 #define ADS129X_GAIN_4X 0x4
eguliyev 0:99e31762ab2f 176 #define ADS129X_GAIN_8X 0x5
eguliyev 0:99e31762ab2f 177 #define ADS129X_GAIN_12X 0x6
eguliyev 0:99e31762ab2f 178
eguliyev 0:99e31762ab2f 179 // Mux Configuration
eguliyev 0:99e31762ab2f 180 #define ADS129X_MUX_NORMAL 0x0 // Normal electrode input (default)
eguliyev 0:99e31762ab2f 181 #define ADS129X_MUX_SHORT 0x1 // Input shorted (for offset or noise measurements)
eguliyev 0:99e31762ab2f 182 #define ADS129X_MUX_RLD_MEAS 0x2 // Used in conjunction with RLD_MEAS bit for RLD measurements
eguliyev 0:99e31762ab2f 183 #define ADS129X_MUX_MVDD 0x3 // MVDD for supply measurement
eguliyev 0:99e31762ab2f 184 #define ADS129X_MUX_TEMP 0x4 // Temperature sensor
eguliyev 0:99e31762ab2f 185 #define ADS129X_MUX_TEST 0x5 // Test signal
eguliyev 0:99e31762ab2f 186 #define ADS129X_MUX_RLD_DRP 0x6 // RLD_DRP (positive electrode is the driver)
eguliyev 0:99e31762ab2f 187 #define ADS129X_MUX_RLD_DRN 0x7 // RLD_DRN (negative electrode is the driver)
eguliyev 0:99e31762ab2f 188
eguliyev 0:99e31762ab2f 189 // Sample-rate Configuration
eguliyev 0:99e31762ab2f 190 #define ADS129X_SAMPLERATE_1024 0x6
eguliyev 0:99e31762ab2f 191 #define ADS129X_SAMPLERATE_512 0x5
eguliyev 0:99e31762ab2f 192 #define ADS129X_SAMPLERATE_256 0x4
eguliyev 0:99e31762ab2f 193 #define ADS129X_SAMPLERATE_128 0x3
eguliyev 0:99e31762ab2f 194 #define ADS129X_SAMPLERATE_64 0x2
eguliyev 0:99e31762ab2f 195 #define ADS129X_SAMPLERATE_32 0x1
eguliyev 0:99e31762ab2f 196 #define ADS129X_SAMPLERATE_16 0x0
eguliyev 0:99e31762ab2f 197
eguliyev 0:99e31762ab2f 198 void ADS_INIT();
eguliyev 0:99e31762ab2f 199 void SPI_INIT();
eguliyev 0:99e31762ab2f 200 void WAKEUP();
eguliyev 0:99e31762ab2f 201 void STANDBY();
eguliyev 0:99e31762ab2f 202 void RSET();
eguliyev 0:99e31762ab2f 203 void START();
eguliyev 0:99e31762ab2f 204 void STOP();
eguliyev 0:99e31762ab2f 205 // Data Read Commands
eguliyev 0:99e31762ab2f 206 void RDATAC();
eguliyev 0:99e31762ab2f 207 void SDATAC();
eguliyev 0:99e31762ab2f 208 void RDATA();
eguliyev 0:99e31762ab2f 209 void SETUP();
eguliyev 0:99e31762ab2f 210 void Set_IRQ();
eguliyev 0:99e31762ab2f 211
eguliyev 0:99e31762ab2f 212 // Register Read/Write Commands
eguliyev 0:99e31762ab2f 213 char RREG(char _address);
eguliyev 0:99e31762ab2f 214 void RREG(char _address, char _numRegisters, char *_data); //to read multiple consecutive registers (Datasheet, pg. 38)
eguliyev 0:99e31762ab2f 215 void WREG(char _address, char _value);
eguliyev 0:99e31762ab2f 216
eguliyev 0:99e31762ab2f 217 // Functions for setup and data retrieval
eguliyev 0:99e31762ab2f 218 char getDeviceId();
eguliyev 0:99e31762ab2f 219 bool getData(long *buffer);
eguliyev 0:99e31762ab2f 220
eguliyev 0:99e31762ab2f 221 void configChannel(char _channel, bool _powerDown, char _gain, char _mux);
eguliyev 0:99e31762ab2f 222
eguliyev 0:99e31762ab2f 223 #endif