void IrTherm_Init(void){
/* Enable clocks to SWM and IOCON to save power */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_SWM);
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_IOCON);
Chip_SWM_MovablePinAssign(SWM_I2C_SDA_IO, 11);
Chip_SWM_MovablePinAssign(SWM_I2C_SCL_IO, 10);
#if (I2C_BITRATE > 400000)
/* Enable Fast Mode Plus for I2C pins */
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO10, PIN_I2CMODE_FASTPLUS);
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO11, PIN_I2CMODE_FASTPLUS);
#else
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO10, PIN_I2CMODE_STDFAST);
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO11, PIN_I2CMODE_STDFAST);
#endif
/* Enable I2C clock and reset I2C peripheral - the boot ROM does not do this */
Chip_I2C_Init();
/* Setup the I2C handle */
i2cHandleMaster = LPC_I2CD_API->i2c_setup(LPC_I2C_BASE, i2cMasterHandleMEM);
/* Set I2C bitrate */
LPC_I2CD_API->i2c_set_bitrate(i2cHandleMaster, Chip_Clock_GetSystemClockRate(), I2C_BITRATE);
/* Disable the interrupt for the I2C */
NVIC_DisableIRQ(I2C_IRQn);
/* Disable clocks to SWM and IOCON to save power */
Chip_Clock_DisablePeriphClock(SYSCTL_CLOCK_SWM);
Chip_Clock_DisablePeriphClock(SYSCTL_CLOCK_IOCON);
}
/* Initializes clock and pin muxing for I2C interface */
void Board_I2C_Init(void)
{
/* Enable the clock to the Switch Matrix */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_SWM);
/* Connect the I2C_SDA and I2C_SCL signals to port pins(P0.10, P0.11) */
Chip_SWM_MovablePinAssign(SWM_I2C_SDA_IO, PIO10);
Chip_SWM_MovablePinAssign(SWM_I2C_SCL_IO, PIO11);
/* Enable Fast Mode Plus for I2C pins */
Chip_IOCON_PinSetI2CMode(LPC_IOCON, PIO10, PIN_I2CMODE_FASTPLUS);
Chip_IOCON_PinSetI2CMode(LPC_IOCON, PIO11, PIN_I2CMODE_FASTPLUS);
}
/* Initializes pin muxing for I2C interface - note that SystemInit() may
already setup your pin muxing at system startup */
static void Init_I2C_PinMux(void)
{
#if (defined(BOARD_NXP_XPRESSO_812) || defined(BOARD_LPC812MAX))
/* Enable the clock to the Switch Matrix */
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_SWM);
/* Connect the I2C_SDA and I2C_SCL signals to port pins(P0.10, P0.11) */
Chip_SWM_MovablePinAssign(SWM_I2C_SDA_IO, 10);
Chip_SWM_MovablePinAssign(SWM_I2C_SCL_IO, 11);
/* Enable Fast Mode Plus for I2C pins */
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO10, PIN_I2CMODE_FASTPLUS);
Chip_IOCON_PinSetI2CMode(LPC_IOCON, IOCON_PIO11, PIN_I2CMODE_FASTPLUS);
/* Disable the clock to the Switch Matrix to save power */
Chip_Clock_DisablePeriphClock(SYSCTL_CLOCK_SWM);
#else
/* Configure your own I2C pin muxing here if needed */
#warning "No I2C pin muxing defined"
#endif
}
