//*****************************************************************************
//
//! \brief Read the state or data from the ST7735.
//!
//! \param ucRS determines if the IR or DR to select.
//!
//! The parameter of ucDC can be:
//! - ST7735_RS_COMMAND - select the IR.
//! - ST7735_RS_DATA - select the DR.
//!
//! \return None.
//
//*****************************************************************************
unsigned long
ST7735Read(unsigned char ucRS)
{
unsigned long ulData = 0;
//
// Set D7 - D0 direction to GPIO Input
//
xGPIOSPinTypeGPIOInput(ST7735_PIN_D7);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D6);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D5);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D4);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D3);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D2);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D1);
xGPIOSPinTypeGPIOInput(ST7735_PIN_D0);
//
// DC:Command, RD:Write/Read, CS:Enable
//
xGPIOSPinWrite(ST7735_PIN_RS, ucRS);
xGPIOSPinWrite(ST7735_PIN_WR, ST7735_WR_HIGH);
xGPIOSPinWrite(ST7735_PIN_CS, ST7735_CS_ENABLE);
xSysCtlDelay(100);
//
// Read the Data
//
xGPIOSPinWrite(ST7735_PIN_RD, ST7735_RD_LOW);
xSysCtlDelay(100);
xGPIOSPinWrite(ST7735_PIN_RD, ST7735_RD_HIGH);
ulData |= xGPIOSPinRead(ST7735_PIN_D7) << 7;
ulData |= xGPIOSPinRead(ST7735_PIN_D6) << 6;
ulData |= xGPIOSPinRead(ST7735_PIN_D5) << 5;
ulData |= xGPIOSPinRead(ST7735_PIN_D4) << 4;
ulData |= xGPIOSPinRead(ST7735_PIN_D3) << 3;
ulData |= xGPIOSPinRead(ST7735_PIN_D2) << 2;
ulData |= xGPIOSPinRead(ST7735_PIN_D1) << 1;
ulData |= xGPIOSPinRead(ST7735_PIN_D0) << 0;
xGPIOSPinWrite(ST7735_PIN_CS, ST7735_CS_DISABLE);
//
// At the End, set D7 - D0 direction to GPIO OutPut
//
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D7);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D6);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D5);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D4);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D3);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D2);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D1);
xGPIOSPinTypeGPIOOutput(ST7735_PIN_D0);
return ulData;
}
//*****************************************************************************
//
//! \brief ad7417arz 001 test execute main body.
//!
//! First set the OTI as compare output mode ,then turned to Int mode.When the
//! temperature up to 30 centigrade, the OTI pin will be low level ,then clear
//! the ucFlag to end of the while and set the OTI as Int mode.
//!
//! \return None.
//
//*****************************************************************************
static void di_ad7417arz001Execute(void)
{
unsigned long ulTemp;
unsigned char ucFlag = 1;
int i;
//
// Configure the setpoint register
//
AD7417LowLimitSetLong(26);
AD7417UpLimitSetLong(26);
//
// Config the OTI connected pin as input pin
//
xGPIOSPinTypeGPIOInput(AD7417_PIN_OTI);
//
// Config the OTI active level low , Fault QUEUE is 1
// OTI compare mode, temperature channel
//
AD7417TempConfig(AD7417_OTI_CMP | AD7417_OTI_ACTIVE_LOW |
AD7417_FAULTQUE_1 | AD7417_TEMP_CHANNEL);
while(ucFlag)
{
ulTemp = AD7417TempReadLDC();
for(i = 0; i < 10000; i++);
PrintN(ulTemp);
ulTemp = xGPIOSPinRead(AD7417_PIN_OTI);
if(!ulTemp)
{
ucFlag = 0;
//
// Change the mode to int mode,the
//
AD7417TempConfig(AD7417_OTI_INT);
//
// Change the UpLimit TO 31 C to prevent active
//
AD7417UpLimitSetLong(26);
}
}
//
// Change to INT mode
//
AD7417TempConfig(AD7417_OTI_INT | AD7417_OTI_ACTIVE_LOW |
AD7417_FAULTQUE_1 | AD7417_TEMP_CHANNEL);
AD7417OTIntEnable();
AD7417OTIntCallbackInit(ReadOperation);
ulTemp = AD7417TempReadLDC();
for(i = 0; i < 10000; i++);
PrintN(ulTemp);
TestAssertQ("a", "OTI INT mode test fail");
}
unsigned long ENCODER_INT_Callback(void *pvCBData, unsigned long ulEvent, unsigned long ulMsgParam, void *pvMsgData)
{
// unsigned char encoderbits;
xSysCtlDelay(ENCODER_DEBOUNCE_DELAY);
xGPIOSPinIntClear(ENCODER_PIN_A);
xGPIOSPinIntClear(ENCODER_PIN_B);
ENCODER_PREV_STATE = (xGPIOSPinRead(ENCODER_PIN_B) << 1) | xGPIOSPinRead(ENCODER_PIN_A) | (ENCODER_PREV_STATE << 2);
// encoder_count += ENCODER_TABLE[(ENCODER_PREV_STATE & 0x0f)]; /* Index into table */
switch (ENCODER_TABLE[(ENCODER_PREV_STATE & 0x0f)])
{
case -1:
ENCODER_USER_Callback(-1);
break;
case 1:
ENCODER_USER_Callback(1);
default:
break;
}
return 0;
}
//*****************************************************************************
//
//! \brief query CH376 interrupt line
//!
//! \param None
//!
//! \return TRUE or FALSE according to interrupt line.
//
//*****************************************************************************
UINT8 Query376Interrupt( void )
{
#ifdef CH376_INT_WIRE
return( CH376_INT_REQ() ? FALSE : TRUE);
#else
#ifdef CH376_SPI_SDO_INT
unsigned char res = 0;
res = xGPIOSPinRead(CH376_MISO_PIN);
return( res ? FALSE : TRUE );
#else
#ifdef CH376_USE_PARALLEL
return( xReadCH376Status( ) & PARA_STATE_INTB ? FALSE : TRUE );
#endif
#endif
#endif
}
