//*****************************************************************************
//
//! \brief Init GPIO of the sensor shield board.
//!
//! \param None.
//!
//! Init GPIO of the sensor shield board.
//!
//! \return None
//
//*****************************************************************************
void
SensorShieldIOInit(void)
{
#if(SENSOR_SHIELD_OUT_USED > 0)
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O0);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O1);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O2);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O3);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O4);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O5);
xGPIOSPinWrite(SENSOR_SHIELD_O5, 1);
#endif
#if(SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_ANALOG)
sA0PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A0);
#endif
#if(SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_ANALOG)
sA1PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A1);
#endif
#if(SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_ANALOG)
sA2PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A2);
#endif
#if(SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_ANALOG)
sA3PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A3);
#endif
#if(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_ANALOG)
sA4PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A4);
#endif
#if(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_ANALOG)
sA5PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A5);
#endif
#if(SENSOR_SHIELD_I2C_USED > 0)
sPinTypeI2C(sI2C_BASE);
#endif
#if(SENSOR_SHIELD_UART_USED > 0)
sPinTypeUART(sUART_BASE);
#endif
}
/*
* Initiate the Wire library and join the I2C bus as a master. This should normally be called only once.
*/
void WireClass::begin(void){
// Enable the i2c&GPIO peripheral
xSysCtlPeripheralEnable2(i2cPort);
xSysCtlPeripheralEnable2(xGPIOSPinToPort(sSDA));
// Congigure the i2c pin
sPinTypeI2C(i2cPort);
//Initialize I2C Module 100K
xI2CMasterInit(i2cPort, 100000);
xI2CMasterEnable(i2cPort);
rxBufferIndex = 0; rxBufferLength = 0;
txBufferIndex = 0; txBufferLength = 0;
}
//*****************************************************************************
//
//! \brief Init the sensor shield board.
//!
//! \param None.
//!
//! Init the sensor shield board.
//!
//! \return None
//
//*****************************************************************************
void
SensorShieldInit(void)
{
#if(SENSOR_SHIELD_OUT_USED > 0)
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O0);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O1);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O2);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O3);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O4);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O5);
#endif
#if((SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_ANALOG))
xSysCtlPeripheralClockSourceSet(xSYSCTL_ADC0_HCLK, 3);
//
// Enable Peripheral ADC0
//
xSysCtlPeripheralEnable(xSYSCTL_PERIPH_ADC0);
//
// Configure Some GPIO pins as ADC Mode
//
//
// Enable the adc
//
xADCEnable(xADC0_BASE);
//
// ADC Channel0 convert once, Software tirgger.
//
xADCConfigure(xADC0_BASE, xADC_MODE_SCAN_CONTINUOUS, ADC_TRIGGER_PROCESSOR);
//
// Enable the channel0
//
//
// Set Compare Condition(Moisture Sensor Limited Value)
//
xADCCompConditionConfig(ADC_BASE, 0, xADC_COMP_INT_LOW);
ADCCompDataSet(ADC_BASE, 0, 1600, 1);
xADCCompEnable(ADC_BASE, 0);
//
// Enable the ADC end of conversion interrupt
//
xADCIntEnable(xADC0_BASE, xADC_INT_COMP);
//
// install the call back interrupt
//
xADCIntCallbackInit(xADC0_BASE, ADCCallback);
//
// Enable the NVIC ADC interrupt
//
xIntEnable(xINT_ADC0);
xADCProcessorTrigger(xADC0_BASE);
#endif
#if(SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_ANALOG)
sA0PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH0);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A0);
#endif
#if(SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_ANALOG)
sA1PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH1);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A1);
#endif
#if(SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_ANALOG)
sA2PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH2);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A2);
#endif
#if(SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_ANALOG)
sA3PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH3);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A3);
#endif
#if(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_ANALOG)
sA4PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH4);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A4);
#endif
#if(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_ANALOG)
sA5PinTypeADC();
xADCStepConfigure(xADC0_BASE, 1, xADC_CTL_CH5);
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_A5);
#endif
#if(SENSOR_SHIELD_I2C_USED > 0)
//
// Enable the GPIOx port which is connected with I2C
//
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_TWI_SDA));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_TWI_SCK));
//
// Enable the I2Cx which is connected with device
//
xSysCtlPeripheralEnable2(sI2C_BASE);
//
// Set BH1750_PIN_I2C_CLK as CLK
//
sPinTypeI2C(sI2C_BASE);
//
// Configure MCU as a master device and Set Clcok Rates
//
xI2CMasterInit(sI2C_BASE, 100000);
xI2CMasterEnable(sI2C_BASE);
#endif
#if(SENSOR_SHIELD_UART_USED > 0)
xSysCtlPeripheralEnable2(sUART_BASE);
xSysCtlPeripheralClockSourceSet(xSYSCTL_UART1_MAIN, 1);
sPinTypeUART(sUART_BASE);
xUARTConfigSet(sUART_BASE, 115200, (xUART_CONFIG_WLEN_8 |
xUART_CONFIG_STOP_1 |
xUART_CONFIG_PAR_NONE));
#endif
}
//*****************************************************************************
//
//! \brief Initialize the sensor shield board.
//!
//! \param None.
//!
//! Initialize the sensor shield board.
//!
//! \return None
//
//*****************************************************************************
void
SensorShieldInit(void)
{
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O0));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O1));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O2));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O3));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O4));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_O5));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I0));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I1));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I2));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I3));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I4));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_I5));
#if(SENSOR_SHIELD_OUT_USED > 0)
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O0);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O1);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O2);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O3);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O4);
xGPIOSPinTypeGPIOOutput(SENSOR_SHIELD_O5);
//xSysCtlPeripheralEnable2();
#endif
#if((SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_ANALOG) || \
(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_ANALOG))
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(sD45));
//
// Set ADCCLK prescaler, ADCCLK=PCLK2(max 72MHz)/Div(Div:2,4,6,8)
// You should set ADCCLK < 14MHz to ensure the accuracy of ADC
//
xSysCtlPeripheralClockSourceSet(xSYSCTL_ADC0_MAIN, 8);
//
// Enable Peripheral ADC clock
//
xSysCtlPeripheralEnable(xSYSCTL_PERIPH_ADC1);
//
// Enable the ADC conversion
//
xADCEnable(sADC_BASE);
//
// The two sentences below configure ADC to scan mode, continuous convert, software trigger.
//
xADCConfigure(sADC_BASE, xADC_MODE_SCAN_SINGLE_CYCLE, ADC_TRIGGER_PROCESSOR);
xADCConfigure(sADC_BASE, xADC_MODE_SCAN_CONTINUOUS, ADC_TRIGGER_PROCESSOR);
//
// Configure channel step by step.(Max 4 steps, the 2nd parameter start from 0, max is 3)
// Must not jump over a step, or the ADC result may be in wrong position.
//
xADCStepConfigure(sADC_BASE, 0, sADC_CH0);
xADCStepConfigure(sADC_BASE, 1, sADC_CH1);
xADCStepConfigure(sADC_BASE, 2, sADC_CH2);
xADCStepConfigure(sADC_BASE, 3, sADC_CH3);
#endif
#if(SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_ANALOG)
sA0PinTypeADC();
#elif (SENSOR_SHIELD_IN0_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I0);
#endif
#if(SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_ANALOG)
sA1PinTypeADC();
#elif (SENSOR_SHIELD_IN1_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I1);
#endif
#if(SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_ANALOG)
sA2PinTypeADC();
#elif (SENSOR_SHIELD_IN2_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I2);
#endif
#if(SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_ANALOG)
sA3PinTypeADC();
#elif (SENSOR_SHIELD_IN3_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I3);
#endif
#if(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_ANALOG)|| \
(SENSOR_SHIELD_IN4_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I4);
#endif
#if(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_ANALOG)|| \
(SENSOR_SHIELD_IN5_USED == SENSOR_SHIELD_IN_DIGITAL)
xGPIOSPinTypeGPIOInput(SENSOR_SHIELD_I5);
#endif
#if(SENSOR_SHIELD_I2C_USED > 0)
//
// Enable the GPIOx port which is connected with I2C
//
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_TWI_SDA));
xSysCtlPeripheralEnable(xGPIOSPinToPeripheralId(SENSOR_SHIELD_TWI_SCK));
//
// Enable the I2Cx which is connected with device
//
xSysCtlPeripheralEnable2(sI2C_BASE);
//
// Set BH1750_PIN_I2C_CLK as CLK
//
sPinTypeI2C(sI2C_BASE);
//
// Configure MCU as a master device and Set Clcok Rates
//
xI2CMasterInit(sI2C_BASE, 100000);
xI2CMasterEnable(sI2C_BASE);
#endif
#if(SENSOR_SHIELD_UART_USED > 0)
xSysCtlPeripheralEnable2(sUART_BASE);
// xSysCtlPeripheralClockSourceSet(xSYSCTL_UART1_MAIN, 1);
sPinTypeUART(sUART_BASE);
xUARTConfigSet(sUART_BASE, 115200, (xUART_CONFIG_WLEN_8 |
xUART_CONFIG_STOP_1 |
xUART_CONFIG_PAR_NONE));
#endif
}