/*******************************************************************************
Function: ACCEL_RESULT ACCELInitialize(ACCEL_INIT *initialization)
*****************************************************************************/
ACCEL_RESULT ACCELInitialize(ACCEL_INIT *initialization, uint8_t accl_range)
{
PLIB_I2C_BaudRateSet(ACCEL_BMA250_I2C_MODULE, initialization->sourceClock, initialization->dataRate);
PLIB_I2C_Enable(ACCEL_BMA250_I2C_MODULE);
#ifndef ACCEL_USE_EXTERNAL_INTERUPT_HANDLER
#ifndef ACCEL_USE_POLLING
SYS_INT_VectorPrioritySet(ACCEL_BMA250_I2C_VECTOR,INT_PRIORITY_LEVEL_2);
#endif
#endif
if(ReadChipID() == ACCEL_INVALID)
return ACCEL_INVALID;
SetRangeAndBandwidth(accl_range);
ReadChipVersion();
SetThershold();
SetFIFO();
accelXYZData.acc_x_lsb.new_data_x = 0;
accelXYZData.acc_y_lsb.new_data_y = 0;
accelXYZData.acc_z_lsb.new_data_z = 0;
return ACCEL_VALID;
}
/*
Function:
void initMaster (int baudRate, int clockFrequency)
Summary:
Initializes I2C1 module as the master.
*/
void initMaster(int baudRate, int clockFrequency)
{
PLIB_I2C_TransmitterByteSend(I2C_ID_1, 0);
PLIB_I2C_SlaveMask7BitSet(I2C_ID_1, 0);
PLIB_I2C_SlaveAddress7BitSet(I2C_ID_1, 0);
PLIB_I2C_BaudRateSet(I2C_ID_1, clockFrequency, baudRate);
PLIB_I2C_Enable(I2C_ID_1);
}
// *****************************************************************************
// *****************************************************************************
// Section: Instance 0 static driver functions
// *****************************************************************************
// *****************************************************************************
void DRV_I2C0_Initialize(void)
{
/* Initialize I2C0 */
PLIB_I2C_BaudRateSet(I2C_ID_4, SYS_CLK_PeripheralFrequencyGet(CLK_BUS_PERIPHERAL_1), 50000);
PLIB_I2C_StopInIdleDisable(I2C_ID_4);
/* Low frequency is enabled (**NOTE** PLIB function logic reverted) */
PLIB_I2C_HighFrequencyEnable(I2C_ID_4);
/* Enable I2C0 */
PLIB_I2C_Enable(I2C_ID_4);
}
// *****************************************************************************
// Section: Instance 0 I2C Master Mode Functions
// *****************************************************************************
void DRV_I2C0_BaudRateSet(I2C_BAUD_RATE baudRate)
{
/* Disable I2C0 */
PLIB_I2C_Disable(I2C_ID_4);
/* Change baud rate */
PLIB_I2C_BaudRateSet(I2C_ID_4, SYS_CLK_PeripheralFrequencyGet(CLK_BUS_PERIPHERAL_1), baudRate);
/* Low frequency is enabled (**NOTE** PLIB function revereted) */
PLIB_I2C_HighFrequencyEnable(I2C_ID_4);
/* Enable I2C0 */
PLIB_I2C_Enable(I2C_ID_4);
}
/*
Function:
void initSlave (int baudRate, int clockFrequency, int address)
Summary:
Initializes I2C2 module as the slave.
*/
void initSlave(int baudRate, int clockFrequency, int address)
{
PLIB_I2C_TransmitterByteSend(I2C_ID_2, 0);
PLIB_I2C_SlaveMask7BitSet(I2C_ID_2, 0);
PLIB_I2C_BaudRateSet(I2C_ID_2, clockFrequency, baudRate);
PLIB_I2C_SlaveAddress7BitSet(I2C_ID_2, address);
PLIB_I2C_SlaveClockStretchingEnable(I2C_ID_2);
PLIB_I2C_SlaveClockRelease(I2C_ID_2);
IEC1 = (1 << 12); // enable i2c2 slave interrupts
IPC8 = (2 << 10); // priority level to 2
/* Enable multi-vectored interrupts, enable the generation of interrupts to the CPU */
PLIB_INT_MultiVectorSelect(INT_ID_0);
PLIB_INT_Enable(INT_ID_0);
PLIB_I2C_Enable(I2C_ID_2);
}
void initI2C_MGC3130(int baudRate, int clockFrequency){
PLIB_I2C_BaudRateSet(I2C_MGC3130, clockFrequency, baudRate);
PLIB_I2C_Enable(I2C_MGC3130);
}
