Jasper Smit / Mbed 2 deprecated nucleo_i2c

:^)

Dependencies:   mbed

main.cpp@0:8e0901b4cd75, 2018-05-15 (annotated)

Committer:
choppa
Date:
Tue May 15 11:59:47 2018 +0000
Revision:
0:8e0901b4cd75
:^);

Who changed what in which revision?

UserRevisionLine numberNew contents of line
choppa 0:8e0901b4cd75 1 #include "mbed.h"
choppa 0:8e0901b4cd75 2 #include <stdint.h>
choppa 0:8e0901b4cd75 3
choppa 0:8e0901b4cd75 4 I2C i2c(PB_9, PB_8);
choppa 0:8e0901b4cd75 5 Serial usb_serial(SERIAL_TX, SERIAL_RX);
choppa 0:8e0901b4cd75 6
choppa 0:8e0901b4cd75 7 #define ADDR_FSR0 0x90
choppa 0:8e0901b4cd75 8 #define ADDR_FSR1 0x29
choppa 0:8e0901b4cd75 9 #define ADDR_PZT 0x96
choppa 0:8e0901b4cd75 10
choppa 0:8e0901b4cd75 11 #define AD1115_CONFIG 0x01
choppa 0:8e0901b4cd75 12
choppa 0:8e0901b4cd75 13 #define PZT0 0x10
choppa 0:8e0901b4cd75 14 #define PZT1 0x20
choppa 0:8e0901b4cd75 15
choppa 0:8e0901b4cd75 16 int main() {
choppa 0:8e0901b4cd75 17 int16_t raw_data, config;
choppa 0:8e0901b4cd75 18 double voltage0, voltage1;
choppa 0:8e0901b4cd75 19 usb_serial.baud(230400);
choppa 0:8e0901b4cd75 20 i2c.frequency(200000);
choppa 0:8e0901b4cd75 21 char rxbuf[10];
choppa 0:8e0901b4cd75 22 char txbuf[10];
choppa 0:8e0901b4cd75 23 // set mux to pzt0
choppa 0:8e0901b4cd75 24 config = 0x84E3 | PZT0;
choppa 0:8e0901b4cd75 25 txbuf[0] = AD1115_CONFIG;
choppa 0:8e0901b4cd75 26 txbuf[1] = config >> 8;
choppa 0:8e0901b4cd75 27 txbuf[2] = config & 0xFF;
choppa 0:8e0901b4cd75 28 i2c.write(ADDR_PZT, txbuf, 3);
choppa 0:8e0901b4cd75 29 txbuf[0] = 0;
choppa 0:8e0901b4cd75 30 i2c.write(ADDR_PZT, txbuf, 1);
choppa 0:8e0901b4cd75 31 while(1) {
choppa 0:8e0901b4cd75 32 i2c.read(ADDR_PZT, rxbuf, 2);
choppa 0:8e0901b4cd75 33 raw_data = (rxbuf[0] << 8) | rxbuf[1];
choppa 0:8e0901b4cd75 34 voltage0 = 5.0/65535.0 * (double)raw_data;
choppa 0:8e0901b4cd75 35 usb_serial.printf("%f\r\n", voltage0);
choppa 0:8e0901b4cd75 36 wait_ms(1);
choppa 0:8e0901b4cd75 37 }
choppa 0:8e0901b4cd75 38 }