Tu Hoang / Mbed 2 deprecated Test_nucleo_MCUUU_EEPROMTEST

EEPROMTEST

Dependencies:   ADS1015 mbed

Fork of Test_nucleo_MCUUU by BAP TUDelft

main.cpp@17:41160d6c66ae, 2018-05-23 (annotated)

Committer:
MockyBirdTwo
Date:
Wed May 23 09:35:34 2018 +0000
Revision:
17:41160d6c66ae
Parent:
16:c998931f8395 
Opgeschoond

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xorjoep 0:952479e15354 1 #include "mbed.h" // Include files and define parameters.
xorjoep 0:952479e15354 2 #include "Adafruit_ADS1015.h"
MockyBirdTwo 7:65325c237ac5 3 #include <vector>
MockyBirdTwo 9:cc559f905411 4 #include <string>
MockyBirdTwo 16:c998931f8395 5 #define EEPROM_adr (0xA0)//8Bit address for I2C to EEPROM
MockyBirdTwo 9:cc559f905411 6 using namespace std;
xorjoep 0:952479e15354 7
MockyBirdTwo 9:cc559f905411 8 I2C i2c(PB_9, PB_8); // I2C for sensorplate.
xorjoep 0:952479e15354 9 Serial usb_serial(SERIAL_TX, SERIAL_RX); // tx, rx
xorjoep 0:952479e15354 10
xorjoep 0:952479e15354 11 int i2c__frequency = 100000; // I2C Frequency.
xorjoep 0:952479e15354 12 int baud_rate = 115200; // Baud rate.
xorjoep 4:fd10d8609295 13 Timer timer;
xorjoep 4:fd10d8609295 14
xorjoep 0:952479e15354 15 DigitalOut myled(LED1);
MockyBirdTwo 3:efb3a5b4bc9e 16
MockyBirdTwo 12:c0a99de7c6d3 17 //EEPROM
MockyBirdTwo 12:c0a99de7c6d3 18 // Device Code Chip Enable RW
MockyBirdTwo 12:c0a99de7c6d3 19 //Bit b7 b6 b5 b4 b3 b2 b1 b0
MockyBirdTwo 12:c0a99de7c6d3 20 //Device Select 1 0 1 0 E2 E1 E0 RW
MockyBirdTwo 12:c0a99de7c6d3 21 // E0,E1 and E2 are to identify device
MockyBirdTwo 9:cc559f905411 22 //Writing EEPROM through I2C
MockyBirdTwo 15:44d291c21362 23 void EEPROM_ready(){
MockyBirdTwo 14:be6538b80545 24 int ack;
MockyBirdTwo 15:44d291c21362 25 uint8_t waddr[2];
MockyBirdTwo 15:44d291c21362 26 waddr[0] = 0;
MockyBirdTwo 15:44d291c21362 27 // Wait end of write
MockyBirdTwo 15:44d291c21362 28 do {
MockyBirdTwo 15:44d291c21362 29 ack = i2c.write(EEPROM_adr,(char *)waddr,0);
MockyBirdTwo 15:44d291c21362 30 } while(ack != 0);
MockyBirdTwo 9:cc559f905411 31 }
MockyBirdTwo 8:2875bb7a4e67 32
MockyBirdTwo 15:44d291c21362 33 void EEPROM_write(uint32_t Wreg, int8_t EEPROM_dat){
MockyBirdTwo 15:44d291c21362 34 int ack;
MockyBirdTwo 15:44d291c21362 35 uint8_t cmd[3];
MockyBirdTwo 15:44d291c21362 36 cmd[0] = (uint8_t) (Wreg >> 8); //Address MSB
MockyBirdTwo 15:44d291c21362 37 cmd[1] = (uint8_t) Wreg; //Address LSB
MockyBirdTwo 15:44d291c21362 38 cmd[2] = (uint8_t) EEPROM_dat; //Data
MockyBirdTwo 15:44d291c21362 39
MockyBirdTwo 15:44d291c21362 40 ack=i2c.write(EEPROM_adr,(char*)cmd,sizeof(cmd));
MockyBirdTwo 15:44d291c21362 41 if(ack != 0) {
MockyBirdTwo 15:44d291c21362 42 usb_serial.printf("ERRORwrite\r\n");
MockyBirdTwo 15:44d291c21362 43 }
MockyBirdTwo 15:44d291c21362 44 // Wait end of write
MockyBirdTwo 15:44d291c21362 45 EEPROM_ready();
MockyBirdTwo 15:44d291c21362 46 }
MockyBirdTwo 15:44d291c21362 47
MockyBirdTwo 15:44d291c21362 48 void EEPROM_read(uint32_t Wreg, int8_t& EEPROM_dat){
MockyBirdTwo 15:44d291c21362 49 int ack;
MockyBirdTwo 15:44d291c21362 50 uint8_t cmd[2];
MockyBirdTwo 15:44d291c21362 51
MockyBirdTwo 16:c998931f8395 52 cmd[0] = (uint8_t) (Wreg >> 8); //Address MSB
MockyBirdTwo 16:c998931f8395 53 cmd[1] = (uint8_t) Wreg; //Address LSB
MockyBirdTwo 16:c998931f8395 54
MockyBirdTwo 15:44d291c21362 55 ack = i2c.write(EEPROM_adr,(char*)cmd,2,true);
MockyBirdTwo 15:44d291c21362 56 if(ack != 0) {
MockyBirdTwo 15:44d291c21362 57 usb_serial.printf("ERRORfakewrite\r\n");
MockyBirdTwo 15:44d291c21362 58 }
MockyBirdTwo 15:44d291c21362 59 ack=i2c.read(EEPROM_adr,(char*)&EEPROM_dat,sizeof(EEPROM_dat));
MockyBirdTwo 15:44d291c21362 60 if(ack != 0) {
MockyBirdTwo 15:44d291c21362 61 usb_serial.printf("ERRORread\r\n");
MockyBirdTwo 15:44d291c21362 62 }
MockyBirdTwo 15:44d291c21362 63 }
MockyBirdTwo 14:be6538b80545 64
xorjoep 0:952479e15354 65 int main(){
MockyBirdTwo 14:be6538b80545 66
MockyBirdTwo 9:cc559f905411 67 i2c.frequency(i2c__frequency); // Set frequency for i2c connection to sensorplate (variable is declared in config part).
MockyBirdTwo 15:44d291c21362 68 usb_serial.baud(baud_rate); // Set serial USB connection baud rate (variable is declared in config part).
MockyBirdTwo 14:be6538b80545 69
MockyBirdTwo 15:44d291c21362 70 uint32_t Wreg= 10;
MockyBirdTwo 15:44d291c21362 71 int8_t EEPROM_dat=56;
MockyBirdTwo 15:44d291c21362 72 int8_t result=0;
MockyBirdTwo 15:44d291c21362 73
MockyBirdTwo 15:44d291c21362 74 usb_serial.printf("Startooo\r\n");
MockyBirdTwo 15:44d291c21362 75 EEPROM_write(Wreg,EEPROM_dat);
MockyBirdTwo 15:44d291c21362 76 EEPROM_read(Wreg,result);
MockyBirdTwo 15:44d291c21362 77 usb_serial.printf("EEPROMdata = %d\r\n", result);
xorjoep 0:952479e15354 78 }