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Show/hide line numbers main.cpp Source File

main.cpp

00001 #include "mbed.h"
00002 I2C i2c(D14, D15);
00003 const int addr=0x90;
00004 int main() {
00005     char cmd[2];
00006     printf("\r\nTCN75 I2C thermometer\r\n");
00007     cmd[0]=0x01;
00008     cmd[0]=0x00;
00009     i2c.write(addr, cmd, 2);
00010     while(1){
00011         wait(1);
00012         cmd[0]=0x00;
00013         i2c.write(addr, cmd, 1);
00014         i2c.read(addr, cmd, 2);
00015         float temp = cmd[0]<<8|cmd[1];
00016         printf("Temperatue = %.4f C\r\n", temp/256);
00017     }
00018     
00019 }
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