Elmaddin Guliyev / Mbed 2 deprecated ADS1299

configuring and reading adc1299 using spi interface

Dependencies:   mbed

main.cpp@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 #include "ads1299.h"
eguliyev 0:99e31762ab2f 2 #include "spi_slave.h"
eguliyev 0:99e31762ab2f 3 #include "mbed.h"
eguliyev 0:99e31762ab2f 4
eguliyev 0:99e31762ab2f 5 DigitalOut CLKSEL(PB_0);
eguliyev 0:99e31762ab2f 6 //DigitalOut STRT(PA_3);
eguliyev 0:99e31762ab2f 7 //DigitalOut PWDN(PC_0);
eguliyev 0:99e31762ab2f 8 //DigitalOut RST(PA_0);
eguliyev 0:99e31762ab2f 9 DigitalOut LED(PC_6);
eguliyev 0:99e31762ab2f 10 Serial pc(USBTX, USBRX);
eguliyev 0:99e31762ab2f 11
eguliyev 0:99e31762ab2f 12 int main() {
eguliyev 0:99e31762ab2f 13
eguliyev 0:99e31762ab2f 14 SPI_INIT();
eguliyev 0:99e31762ab2f 15 RSET();
eguliyev 0:99e31762ab2f 16 wait_ms(1000);
eguliyev 0:99e31762ab2f 17 SDATAC();
eguliyev 0:99e31762ab2f 18 wait_us(20);
eguliyev 0:99e31762ab2f 19 WREG(ADS129X_REG_CONFIG3,0x00);
eguliyev 0:99e31762ab2f 20 wait_us(20);
eguliyev 0:99e31762ab2f 21 WREG(ADS129X_REG_CONFIG1,0x94);
eguliyev 0:99e31762ab2f 22 wait_us(20);
eguliyev 0:99e31762ab2f 23 WREG(ADS129X_REG_CONFIG4,0x08);
eguliyev 0:99e31762ab2f 24 wait_us(20);
eguliyev 0:99e31762ab2f 25 WREG(0x14,0x80);
eguliyev 0:99e31762ab2f 26 wait_us(20);
eguliyev 0:99e31762ab2f 27 WREG(ADS129X_REG_CONFIG1,0x2);
eguliyev 0:99e31762ab2f 28 wait_us(20);
eguliyev 0:99e31762ab2f 29 for (int i = 1; i <= 9; i++) {
eguliyev 0:99e31762ab2f 30 configChannel(i, false, ADS129X_GAIN_1X, ADS129X_MUX_SHORT);
eguliyev 0:99e31762ab2f 31 }
eguliyev 0:99e31762ab2f 32
eguliyev 0:99e31762ab2f 33
eguliyev 0:99e31762ab2f 34 /*SLV_INIT();
eguliyev 0:99e31762ab2f 35 wait_us(1);
eguliyev 0:99e31762ab2f 36 */
eguliyev 0:99e31762ab2f 37 /*
eguliyev 0:99e31762ab2f 38 CLKSEL = 1;
eguliyev 0:99e31762ab2f 39 wait_us(5);
eguliyev 0:99e31762ab2f 40
eguliyev 0:99e31762ab2f 41 STRT = 0;
eguliyev 0:99e31762ab2f 42 PWDN = 1;
eguliyev 0:99e31762ab2f 43 RST = 1;
eguliyev 0:99e31762ab2f 44 wait_ms(100);
eguliyev 0:99e31762ab2f 45
eguliyev 0:99e31762ab2f 46 RST = 0;
eguliyev 0:99e31762ab2f 47 RST = 1;
eguliyev 0:99e31762ab2f 48
eguliyev 0:99e31762ab2f 49 wait_ms(1);
eguliyev 0:99e31762ab2f 50 //SDATAC(); // device wakes up in RDATAC mode, so send stop signal
eguliyev 0:99e31762ab2f 51 */
eguliyev 0:99e31762ab2f 52 //WREG(ADS129X_REG_CONFIG1, ADS129X_SAMPLERATE_512);
eguliyev 0:99e31762ab2f 53 // WREG(ADS129X_REG_CONFIG3, (1<<ADS129X_BIT_PD_REFBUF) | (1<<6));
eguliyev 0:99e31762ab2f 54 // WREG(0x14,0x80);
eguliyev 0:99e31762ab2f 55 // WREG(ADS129X_REG_CONFIG2, (1<<ADS129X_BIT_INT_TEST) | ADS129X_TEST_FREQ_1HZ);
eguliyev 0:99e31762ab2f 56
eguliyev 0:99e31762ab2f 57 // for (int i = 1; i <= 9; i++) {
eguliyev 0:99e31762ab2f 58 // configChannel(i, false, ADS129X_GAIN_1X, ADS129X_MUX_NORMAL);
eguliyev 0:99e31762ab2f 59 // }
eguliyev 0:99e31762ab2f 60
eguliyev 0:99e31762ab2f 61 wait_ms(1);
eguliyev 0:99e31762ab2f 62 //STRT = 1;
eguliyev 0:99e31762ab2f 63 // RDATAC();
eguliyev 0:99e31762ab2f 64 // START();
eguliyev 0:99e31762ab2f 65
eguliyev 0:99e31762ab2f 66 LED=1;
eguliyev 0:99e31762ab2f 67
eguliyev 0:99e31762ab2f 68 while(1){
eguliyev 0:99e31762ab2f 69
eguliyev 0:99e31762ab2f 70 char value[3];
eguliyev 0:99e31762ab2f 71 long buffer[9];
eguliyev 0:99e31762ab2f 72 START();
eguliyev 0:99e31762ab2f 73 if(getData(buffer)){
eguliyev 0:99e31762ab2f 74 for(int channel = 1; channel < 9; channel++) {
eguliyev 0:99e31762ab2f 75
eguliyev 0:99e31762ab2f 76 value[0] = (char) (buffer[channel]>>16);
eguliyev 0:99e31762ab2f 77 value[1] = (char) (buffer[channel]>>8);
eguliyev 0:99e31762ab2f 78 value[2] = (char) (buffer[channel]);
eguliyev 0:99e31762ab2f 79 // SLV_SEND(value[0],value[1],value[2]);
eguliyev 0:99e31762ab2f 80
eguliyev 0:99e31762ab2f 81 }
eguliyev 0:99e31762ab2f 82
eguliyev 0:99e31762ab2f 83 }
eguliyev 0:99e31762ab2f 84
eguliyev 0:99e31762ab2f 85 }
eguliyev 0:99e31762ab2f 86
eguliyev 0:99e31762ab2f 87
eguliyev 0:99e31762ab2f 88 }
eguliyev 0:99e31762ab2f 89
eguliyev 0:99e31762ab2f 90