//*****************************************************************************
//
//! I2CInit
//!
//! \param Delay
//! \return None
//
//*****************************************************************************
unsigned long I2CInit()
{
// Enable I2C Peripheral
MAP_PRCMPeripheralClkEnable(PRCM_I2CA0, PRCM_RUN_MODE_CLK);
MAP_PRCMPeripheralReset(PRCM_I2CA0);
// Configure I2C module, 400 Kbps slow mode
MAP_I2CMasterInitExpClk(I2CA0_BASE,80000000,false);
// MAP_I2CMasterDisable(I2CA0_BASE);
I2CMasterGlitchFilterConfigSet(I2CA0_BASE , I2C_MASTER_GLITCH_FILTER_8);
return 0;
}
void i2cman_init()
{
//Enable I2C0 which by default uses PortB[3:2] for SDA and SCL respectively
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOB);
SysCtlPeripheralEnable(SYSCTL_PERIPH_I2C0);
SysCtlPeripheralReset(SYSCTL_PERIPH_I2C0);
GPIOPinConfigure(GPIO_PB2_I2C0SCL);
GPIOPinConfigure(GPIO_PB3_I2C0SDA);
GPIOPinTypeI2CSCL(GPIO_PORTB_BASE, GPIO_PIN_2);
GPIOPinTypeI2C(GPIO_PORTB_BASE, GPIO_PIN_3);
I2CMasterInitExpClk(I2C_PORT, SysCtlClockGet(), false);
I2CMasterGlitchFilterConfigSet(I2C_PORT, I2C_MASTER_GLITCH_FILTER_32);
ROM_I2CMasterIntEnable(I2C_PORT);
IntEnable(INT_I2C0);
}
