Test
Dependencies: mbed
Fork of analogTest by
main.cpp
- Committer:
- cagriakalin
- Date:
- 2015-11-10
- Revision:
- 0:95fad925fbf6
File content as of revision 0:95fad925fbf6:
#include "mbed.h" DigitalOut myled(LED1); AnalogIn FSR1(p20); AnalogIn FSR2(p19); int8_t AD5245_write_result; float fsr1_value; float fsr2_value; int truncated_fsr1_value; int8_t AD5245_addr = 0x2C; //TODO: LTC4151 address will be change. int8_t LTC4151_addr = 0xCE; char data[2]; Serial pc(USBTX, USBRX); I2C i2c(p9,p10); int msb = 0; int main() { pc.baud(115200); while(1) { data[0] = 0x04; fsr1_value=FSR1.read(); truncated_fsr1_value=fsr1_value*255; pc.printf("Truncated Value: %d\n",truncated_fsr1_value); i2c.start(); i2c.write(AD5245_addr); i2c.write(truncated_fsr1_value); i2c.stop(); wait(0.01); #if 1 i2c.start(); // I2C start i2c.write(0xCE); // I2C slave address - 0xCE i2c.write(0x04); // I2C slave register address - C_register 02h i2c.start(); // I2C start i2c.write(0xCF); // I2C slave address - 0xCE msb=i2c.read(0); // I2C read with NAK (not-acknowledge) i2c.stop(); pc.printf("Msb: %d\n",msb); #endif #if 0 data[0] = 0x02; //register we want to read int ret = i2c.write(LTC4151_addr, data, 1, true); //Write one byte, dont transmit stop condition, check if we get ACK if (ret == 0) printf("Succesfull write\n\r"); else printf("Returned: %X\n\r", ret); i2c.read(LTC4151_addr, data, 2); pc.printf("Byte 1: 0x%x Byte 2: 0x%x\n",data[0],data[1]); pc.printf("Data = %d\n\r", (data[0]<<8) + data[1]); #endif wait(0.5); if(myled) { myled = 0; } else { myled = 1; } } }