Diff: ecg_dec.h

Revision:

1:8316c23ec6b9

Child:

3:9a06c2bed650

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ecg_dec.h	Mon Jan 30 07:45:41 2017 +0000
@@ -0,0 +1,67 @@
+
+
+#ifndef ECG_DEC_H_
+#define ECG_DEC_H_
+
+#include "mbed.h"
+//#include "rtos.h"
+#define PIN_MOSI        PTA16
+#define PIN_MISO        PTA17 
+#define PIN_SCLK        PTD1 
+#define MA4_SIZE  4 // DO NOT CHANGE
+//SDFileSystem sd(PTE1, PTE3, PTE2, PTE4, "sd");
+
+//SPI commands
+#define CMD_WAKEUP 0x02
+#define CMD_STANDBY 0x04
+#define CMD_RESET 0x06
+#define CMD_START 0x08
+#define CMD_STOP 0x0A
+#define CMD_OFFSET_CAL 0x1A
+#define CMD_RDATAC 0x10
+#define CMD_SDATAC 0x11
+#define CMD_RDATA 0x12
+//Note the following commands are 3 bits and have the following structure
+// CMD_REGr_rrrr; where r_rrrr is the register address given below
+#define CMD_WREG  0x02
+#define CMD_RREG 0x01
+
+//SPI registers addresses, 5 bits width
+#define REG_ID  0x00
+#define REG_CONFIG1 0x01
+#define REG_CONFIG2 0x02
+#define REG_LOFF 0x03
+#define REG_CH1SET 0x04
+#define REG_CH2SET 0x05
+#define REG_RLD_SENS 0x06
+#define REG_LOFF_SENS 0x07
+#define REG_LOFF_STAT 0x08
+#define REG_MISC1 0x09
+#define REG_MISC2 0x0A
+#define REG_GIPO 0x0B
+
+//Register bit configurations
+#define sps500 0x02   //CONFIG1 REG bits 010
+#define sps125 0x00   //CONFIG1 REG bits 000
+#define sps1k 0x03    //CONFIG1 REG bits 011
+#define no_mode 0xA8    //CONFIG2 REG set to zero for device check
+#define test_mode 0xA3  //CONFIG2 REG bits set to test mode, to generate a square wave
+#define default_mode 0xE0   //CONFIG2 REG bits set to default mode, to generate ECG signal from an external input
+#define loff_conf 0xF0  //LOFF register bits set to F0 to configure LOFF reg for leadoff detection
+#define offset_meas 0x01    //CH1SET REG set to Gain = 6 and offset measurement
+#define test_inp 0x05       //CH1SET REG set to Gain = 6 and generate test signal
+#define elec_inp 0x00       //CH1SET REG set to Gain = 6 and take in electrode input
+#define rld_sens_sig 0x23
+#define loff_sens_sig 0x03 
+#define misc1_inp 0x02
+#define misc2_inp 0x03
+
+#define LSHIFT_8 8    //left shift the obtained 8bit data by 8 values
+#define LSHIFT_16 16  ////left shift the obtained 8bit data by 16 values
+#define N_ERR 100
+#define N_TEST 500
+#define N_ECG 2000
+
+int ecg(int pid);
+
+#endif
\ No newline at end of file