/**
* \brief Sets up the EEPROM I2C interface
*
* \param slaveAddr Slave Address of the EEPROM
*
* \return None.
*/
void EEPROMI2CSetUp(unsigned int slaveAddr)
{
/* Configuring system clocks for I2C0 instance. */
I2C0ModuleClkConfig();
/* Performing Pin Multiplexing for I2C0. */
I2C0PinMux();
/* Put i2c in reset/disabled state */
I2CMasterDisable(I2C_BASE_ADDR);
I2CSoftReset(I2C_BASE_ADDR);
/* Configure i2c bus speed to 100khz */
I2CMasterInitExpClk(I2C_BASE_ADDR, 48000000, 24000000, 100000);
/* Set i2c slave address */
I2CMasterSlaveAddrSet(I2C_BASE_ADDR, slaveAddr);
/* Disable all I2C interrupts */
I2CMasterIntDisableEx(I2C_BASE_ADDR, 0xFFFFFFFF);
/* Bring I2C module out of reset */
I2CMasterEnable(I2C_BASE_ADDR);
while(!I2CSystemStatusGet(I2C_BASE_ADDR));
}
int main(void)
{
/* Setup the MMU and do necessary MMU configurations. */
MMUConfigAndEnable();
/* Enable all levels of CACHE. */
CacheEnable(CACHE_ALL);
/* Initialize the UART console */
ConsoleUtilsInit();
/* Select the console type based on compile time check */
ConsoleUtilsSetType(CONSOLE_UART);
ConsoleUtilsPrintf("McASP Example Application. ");
ConsoleUtilsPrintf("Please connect headphone/speaker to the LINE OUT");
ConsoleUtilsPrintf(" of the EVM to listen to the audio tone.");
/* Enable the module clock for I2C0 Instance. */
I2C0ModuleClkConfig();
/* Set up the pin mux for I2C0 instance. */
I2CPinMuxSetup(0);
/* Enable the module clock for McASP1 Instance. */
McASP1ModuleClkConfig();
/* Enable pin-mux for McASP1 instance. */
McASP1PinMuxSetup();
/* Enable the EDMA module clocks. */
EDMAModuleClkConfig();
/* Initialize the ARM Interrupt Controller.*/
IntAINTCInit();
/* Enable EDMA Interrupt. */
EDMA3IntSetup();
/* Enable McASP Interrupt. */
McASPIntSetup();
/* Initialize the I2C interface for the codec AIC31 */
I2CCodecIfInit(I2C_INST_BASE, I2C_SLAVE_CODEC_AIC31);
/* Enable the interrupts generation at global level */
IntMasterIRQEnable();
/* Configure the Codec for I2S mode */
AudioCodecInit();
/* Initialize the looping of tone. */
ToneLoopInit();
/* Start playing tone. */
AudioTxActivate();
while(1);
}
static void SetupI2C(void)
{
I2C0_BASE = vmm_find_iomap("SOC_I2C_0_REGS");
/* Enable the clock for I2C0 */
I2C0ModuleClkConfig();
I2CPinMuxSetup(0);
/* Put i2c in reset/disabled state */
I2CMasterDisable(I2C0_BASE);
/* Disable auto Idle functionality */
I2CAutoIdleDisable(I2C0_BASE);
/* Configure i2c bus speed to 100khz */
I2CMasterInitExpClk(I2C0_BASE, 48000000, 12000000, 100000);
/* Set i2c slave address */
I2CMasterSlaveAddrSet(I2C0_BASE, I2C_SLAVE_ADDR);
/* Bring I2C out of reset */
I2CMasterEnable(I2C0_BASE);
}
