Ryo Od
/
Nucleo_i2c_master_writer
I2C Master Test
Diff: main.cpp
- Revision:
- 0:4f748e5902b7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun Nov 04 09:02:48 2018 +0000 @@ -0,0 +1,22 @@ +#include "mbed.h" + +#define I2C_ARDUINO_ADDR (0x08 << 1) // 8bit address + +I2C I2cArduino(PB_9, PB_8); // SDA, SCL + +int main() +{ + I2cArduino.frequency(400000); + + uint8_t x = 0; + while(1) { + if (I2cArduino.write(I2C_ARDUINO_ADDR, "x is ", 5, true) != 0) { + printf("I2C failure"); + } + if (I2cArduino.write(I2C_ARDUINO_ADDR, (char *)&x, 1) != 0) { + printf("I2C failure"); + } + x++; + wait_ms(500); + } +}