int main()
{
uint8 status = STS_CMD_FAIL;
RGB_LED_OFF;
/* Setup buffer and start EZI2C slave (SCB mode) */
EZI2C_EzI2CSetBuffer1(BUFFER_SIZE, READ_ONLY_OFFSET, ezI2cBuffer);
EZI2C_Start();
CyGlobalIntEnable; /* Enable global interrupts. */
for(;;)
{
/* Write complete: parse packet */
if (0u != (EZI2C_EzI2CGetActivity() & EZI2C_EZI2C_STATUS_WRITE1))
{
/* Check start and end of packet markers */
if ((ezI2cBuffer[PACKET_SOP_POS] == PACKET_SOP) &&
(ezI2cBuffer[PACKET_EOP_POS] == PACKET_EOP))
{
status = ExecuteCommand(ezI2cBuffer[PACKET_CMD_POS]);
}
/* Update buffer with status */
ezI2cBuffer[PACKET_STS_POS] = status;
status = STS_CMD_FAIL;
}
/* Buffer is always available to be read */
}
}
int main()
{
/* Place your initialization/startup code here (e.g. MyInst_Start()) */
EZI2C_Init();
EZI2C_Start();
CapSense_Start();
CyGlobalIntEnable;
CapSense_InitializeAllBaselines();
EZI2C_EzI2CSetBuffer1(BUFFER_SIZE, BUFFER_SIZE, ezi2cBuffer);
/* CyGlobalIntEnable; */ /* Uncomment this line to enable global interrupts. */
for(;;)
{
/* Update all baselines */
CapSense_UpdateEnabledBaselines();
/* Start scanning all enabled sensors */
CapSense_ScanEnabledWidgets();
/* Wait for scanning to complete */
while(CapSense_IsBusy() != 0)
{
; //wait for the scan to finish
}
touched = CapSense_GetTouchCentroidPos(CapSense_TOUCHPAD0__TP, pos);
ezi2cBuffer[0] = (uint8) pos[0];
ezi2cBuffer[1] = (uint8) pos[1];
ezi2cBuffer[2] = touched;
//ezi2cBuffer[0] = i;
//ezi2cBuffer[1] = i+1;
//i++;
XY_DATAREADY_Write(1);
while (!(EZI2C_EzI2CGetActivity() & EZI2C_EZI2C_STATUS_READ1))
{
; //wait for the data to be read from the master
}
XY_DATAREADY_Write(0);
}
}
/*******************************************************************************
* Function Name: void processI2C( void )
********************************************************************************
*
* Summary:
* This function copies date from/to the I2C registers to local values that are
* used in the rest of the firmware. The values are:
* From I2C: Desired DAC Voltage, LED states (if LEDs are under baseboard control), LED control register
* To I2C: Button Values, Temperature, Humidity, Ambient Light, POT Voltage
*******************************************************************************/
void processI2C(void)
{
uint8 interruptState; /* Variable to store the status returned by CyEnterCriticalSection() */
/* Update I2C registers to/from local copy if it isn't busy */
/* Enter critical section to check if I2C bus is busy or not */
interruptState = CyEnterCriticalSection();
if(!(EZI2C_EzI2CGetActivity() & EZI2C_EZI2C_STATUS_BUSY))
{
/* Get values that are written by the master */
LocData.dacVal = I2Cbuf.dacVal;
LocData.ledVal = I2Cbuf.ledVal;
LocData.ledControl = I2Cbuf.ledControl;
capLedBase = LocData.ledControl & CAPLEDMASK;
/* Send values that are updated by the slave */
I2Cbuf.buttonVal = LocData.buttonVal;
I2Cbuf.temperature = LocData.temperature;
I2Cbuf.humidity = LocData.humidity;
I2Cbuf.illuminance = LocData.illuminance;
I2Cbuf.potVal = LocData.potVal;
}
CyExitCriticalSection(interruptState);
}
