Daniel Delsuc
/
RM3100BB_Sample_Code
Sample program for interfacing with PNI's RM3100 Breakout Board
mbed_objects.cpp
- Committer:
- ddelsuc
- Date:
- 2017-10-26
- Revision:
- 0:6ddf88b49483
File content as of revision 0:6ddf88b49483:
// The purpose of this file and associated header file is to // enable globalization of mbed platform specific objects // for all source files to utilize #include "mbed_objects.h" //****************************** // MBED Library instatiations //****************************** I2C i2c(I2C_SDA, I2C_SCL); Serial pc(USBTX, USBRX); DigitalIn DRDY_PIN(D8); // MBED native READ/ WRITE functions unsigned int rm3100_i2c_write(char registerAddress, char* buffer, short int length) { char writeBuffer[MAX_I2C_WRITE + 1]; writeBuffer[0] = registerAddress; memcpy(&writeBuffer[1], buffer, length); //i2c.write(RM3100_I2C_ADDRESS_8bit, const char *data, int length, 1); // returns 0 on success (ack), non-0 on failure (nack) int status = i2c.write(RM3100_I2C_ADDRESS_8bit, writeBuffer, length+1, 0); return !status; // return True if successfull. mbed:0=Success } unsigned int rm3100_i2c_read(char registerAddress, char* buffer, short int length) { char writeBuffer[1] = {registerAddress}; i2c.write(RM3100_I2C_ADDRESS_8bit, writeBuffer, 1, 1); int status = i2c.read(RM3100_I2C_ADDRESS_8bit, buffer, length, 0); if (!status) //mbed:0=Success return length; else return 0; }