/******************************************************************************
* ID : 60.0
* Outline : Glyph_uEZ_Open
* Include : Glyph_uEZ_0.h
* Function Name: Glyph_uEZ_Open
* Description : Open and setup the communications channel 0.
* Argument : aHandle - the Glyph handle to setup for the LCD and Communications.
* Return Value : 0=success, not 0= error
* Calling Functions : GlyphCommOpen
******************************************************************************/
T_glyphError Glyph_uEZ_Open(T_glyphHandle aHandle)
{
int i = 0 ;
T_uezDevice dev;
T_uezDeviceWorkspace *G_gpioC;
if (G_spi == 0) {
UEZDeviceTableFind("SPI0", &dev);
UEZDeviceTableGetWorkspace(dev, (T_uezDeviceWorkspace **)&G_spi);
HALInterfaceFind("GPIOC", (T_halWorkspace **)&G_gpioC);
G_request.iBitsPerTransfer = 8;
// Chip select on Port C2 (high true)
G_request.iCSGPIOPort = (HAL_GPIOPort **)G_gpioC;
G_request.iCSGPIOBit = (1<<2);
G_request.iCSPolarity = EFalse;
G_request.iClockOutPhase = EFalse;
G_request.iClockOutPolarity = EFalse;
G_request.iDataMISO = 0;
G_request.iDataMOSI = 0;
G_request.iNumTransfers = 0;
G_request.iRate = 12000; // 12 MHz for now
/* Set data direction for this bit to output */
PORTC.DDR.BIT.B3 = 1 ; // LCD GPIO for Reset LCD
PORT5.DDR.BIT.B1 = 1 ; // LCD RS A0
StartResetLCD() ;
for (i=0;i<1000000;i++){}
EndResetLCD() ;
for (i=0;i<1000000;i++){}
}
return GLYPH_ERROR_NONE ;
}
/*---------------------------------------------------------------------------*
* Routine: PWM_Generic_Configure
*---------------------------------------------------------------------------*
* Description:
* Setup a PWM device to ensure single accesses at a time.
* Inputs:
* void *aW -- Workspace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError PWM_Generic_Configure(void *aW, const char *aPWMHALName)
{
T_PWM_Generic_Workspace *p = (T_PWM_Generic_Workspace *)aW;
// Link to the PWM device or report an error when tried
return HALInterfaceFind(aPWMHALName, (T_halWorkspace **)&p->iPWM);
}
/*---------------------------------------------------------------------------*
* Routine: LED_Generic_GPIO_Configure_AddLED
*---------------------------------------------------------------------------*
* Description:
* Add an LED to the list of LEDs in this LED Generic GPIO driver.
* The bit number assigned to each entry starts at 0 and goes to
* the limit of the driver (usually 32 total).
* NOTE: This routine is NOT semaphore and expected to be called
* before the RTOS is up and running.
* Inputs:
* void *aW -- Workspace
* T_GneericLEDGPIODefinition *iDefinition -- LED definition structure
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError LED_Generic_GPIO_Configure_AddLED(
void *aWorkspace,
const T_GenericLEDGPIODefinition *aDefinition)
{
T_LED_Generic_GPIO_Workspace *p =
(T_LED_Generic_GPIO_Workspace *)aWorkspace;
T_LEDGPIOEntry *p_entry;
HAL_GPIOPort **p_gpio;
T_uezError error;
error = HALInterfaceFind(aDefinition->iGPIOPortName,
(T_halWorkspace **)&p_gpio);
if (error)
return error;
if (p->iNumEntries < LED_GENERIC_GPIO_MAX_NUM_GPIOS) {
p_entry = p->iEntries + p->iNumEntries++;
p_entry->iGPIOPort = (HAL_GPIOPort **)p_gpio;
p_entry->iIsHighTrue = aDefinition->iIsHighTrue;
p_entry->iGPIOPinIndex = aDefinition->iGPIOPinIndex;
p_entry->iLEDState = STATE_UNKNOWN;
// Start with LED turned off
if (p_entry->iIsHighTrue) {
(*p_gpio)->Set(*p_gpio, (1 << p_entry->iGPIOPinIndex));
} else {
(*p_gpio)->Clear(*p_gpio, (1 << p_entry->iGPIOPinIndex));
}
(*p_gpio)->SetOutputMode(*p_gpio, (1 << p_entry->iGPIOPinIndex));
return UEZ_ERROR_NONE;
} else {
return UEZ_ERROR_OVERFLOW;
}
}
/*---------------------------------------------------------------------------*
* Routine: CRC_Generic_Create
*---------------------------------------------------------------------------*
* Description:
* Create the CRC Device driver and link it to an existing CRC HAL Driver.
* Inputs:
* const char *aName -- Name of new CRC generic device driver
* const char *aHALDriverName -- HAL Device driver name to link to
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError CRC_Generic_Create(const char *aName, const char *aHALDriverName)
{
T_CRC_Generic_Workspace *p;
UEZDeviceTableRegister(aName,
(T_uezDeviceInterface *)&CRC_Generic_Interface, 0,
(T_uezDeviceWorkspace **)&p);
return HALInterfaceFind(aHALDriverName, (T_halWorkspace **)&p->iCRC);
}
/*---------------------------------------------------------------------------*
* Routine: DAC_Generic_Configure
*---------------------------------------------------------------------------*
* Description:
* Link the DAC Device Driver to a DAC HAL driver.
* Inputs:
* void *aW -- Workspace
* const char *aDACHALName -- HAL Device driver name
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError DAC_Generic_Configure(void *aW, const char *aDACHALName)
{
T_DAC_Generic_Workspace *p = (T_DAC_Generic_Workspace *)aW;
T_uezError error;
// Access the DAC device
error = HALInterfaceFind(aDACHALName, (T_halWorkspace **)&p->iDAC);
return error;
}
T_uezError RTC_Generic_Create(const char *aName, const char *aHALName)
{
HAL_RTC **p_rtchal;
T_uezDeviceWorkspace *p_rtcdev;
UEZDeviceTableRegister(aName,
(T_uezDeviceInterface *)&RTC_Generic_Interface, 0, &p_rtcdev);
HALInterfaceFind(aHALName, (T_halWorkspace **)&p_rtchal);
RTC_Generic_Configure(p_rtcdev, (HAL_RTC **)p_rtchal);
return UEZ_ERROR_NONE;
}
T_uezError RS485_Generic_Timer_Create(
const char *aName,
const T_RS485_Generic_Timer_Settings *aSettings)
{
T_uezDeviceWorkspace *p;
HAL_Serial **p_serial;
HAL_Timer **p_timer;
UEZDeviceTableRegister(aName,
(T_uezDeviceInterface *)&RS485_Generic_Timer_Stream_Interface, 0, &p);
HALInterfaceFind(aSettings->iSerialName, (T_halWorkspace **)&p_serial);
HALInterfaceFind(aSettings->iTimerName, (T_halWorkspace **)&p_timer);
return RS485_Generic_Timer_Configure(p, p_serial,
aSettings->iQueueSendSize, aSettings->iQueueReceiveSize,
GPIO_TO_HAL_PORT(aSettings->iDriveEnable),
GPIO_TO_PIN_BIT(aSettings->iDriveEnable),
aSettings->iDriveEnablePolarity,
GPIO_TO_HAL_PORT(aSettings->iReceiveEnable),
GPIO_TO_PIN_BIT(aSettings->iReceiveEnable),
aSettings->iReceiveEnablePolarity, p_timer, aSettings->iReleaseTime,
aSettings->iDriveTime);
}
/*---------------------------------------------------------------------------*
* Routine: LCD_UMSH_8596MD_20T_InitializeWorkspace_8Bit
*---------------------------------------------------------------------------*
* Description:
* Setup workspace for UMSH_8596MD_20T LCD.
* Inputs:
* void *aW -- Particular workspace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError LCD_UMSH_8596MD_20T_InitializeWorkspace_8Bit(void *aW)
{
T_UMSH_8596MD_20TWorkspace *p = (T_UMSH_8596MD_20TWorkspace *)aW;
p->iBaseAddress = 0xA0000000;
p->aNumOpen = 0;
p->iBacklightLevel = 256; // 100%
p->iConfiguration = &LCD_UMSH_8596MD_20T_configuration_8Bit;
#if UEZ_LCD_POWER_GPIO_PIN
HALInterfaceFind(UEZ_LCD_POWER_GPIO_PORT, (T_halWorkspace **)&p->iPowerGPIOPort);
#else
p->iPowerGPIOPort = 0;
#endif
return UEZSemaphoreCreateBinary(&p->iVSyncSem);
}
void USBHost_Generic_Create(const char *aName, const char *aHALUSBHostName)
{
T_halWorkspace *p_halUSBHost;
T_uezDeviceWorkspace *p_usbhost;
// Register the USB Host device driver
UEZDeviceTableRegister(
aName,
(T_uezDeviceInterface *)&G_Generic_USBHost_Interface,
0,
(T_uezDeviceWorkspace **)&p_usbhost);
// Link the Generic USB host to the HAL USB host
HALInterfaceFind(aHALUSBHostName, (T_halWorkspace **)&p_halUSBHost);
Generic_USBHost_Configure(p_usbhost, (HAL_USBHost **)p_halUSBHost);
}
/*---------------------------------------------------------------------------*
* Routine: PlayAudio
*---------------------------------------------------------------------------*
* Description:
* Play a tone for the given length, staying here until done.
* Inptus:
* TUInt32 aHz -- Tone in Hz
* TUInt32 aMS -- Duration of tone
*---------------------------------------------------------------------------*/
void PlayAudio(TUInt32 aHz, TUInt32 aMS)
{
#if OPTION_USE_GPIO_LINES_FOR_AUDIO
static HAL_GPIOPort **p_gpio0;
TUInt32 n;
TUInt32 start = UEZTickCounterGet();
TUInt32 count;
HALInterfaceFind("GPIO0", (T_halWorkspace **)&p_gpio0);
(*p_gpio0)->SetOutputMode(p_gpio0, (1<<26));
// Wait for the parameters to be ready
n = (G_subTickCount*1000/2)/aHz;
taskDISABLE_INTERRUPTS();
G_dummyCounter = 0;
// Wait for first tick count
while ((T1IR&2)==0)
{}
while (aMS--) {
T1IR = 2;
while (!(T1IR & 2)) {
count = n;
while (count--)
{ G_dummyCounter++; }
(*p_gpio0)->Clear(p_gpio0, (1<<26));
count = n;
while (count--)
{ G_dummyCounter++; }
(*p_gpio0)->Set(p_gpio0, (1<<26));
}
}
taskENABLE_INTERRUPTS();
#else
if (!G_tg)
CalibrateAudioTiming();
//PWMAudio(aHz, (aMS+10)/10, 0);
if (G_tg)
UEZToneGeneratorPlayTone(
G_tg,
TONE_GENERATOR_HZ(aHz),
aMS);
else
UEZTaskDelay(aMS);
#endif
}
/*---------------------------------------------------------------------------*
* Routine: Timer_Generic_Create
*---------------------------------------------------------------------------*
* Description:
* Setup a Timer and link to the HAL equivalent
* Inputs:
* const char *aHALDriver -- Name of HAL driver to link to
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError Timer_Generic_Create(const char *aDeviceName, const char *aHALDriver)
{
T_uezError error;
T_Timer_Generic_Workspace *p;
// Create the timer device
error = UEZDeviceTableRegister(aDeviceName,
(T_uezDeviceInterface *)&Timer_Generic_Interface, 0,
(T_uezDeviceWorkspace **)&p);
if (error)
return error;
// Find the HAL and link to this device
error = HALInterfaceFind(aHALDriver, (T_halWorkspace **)&p->iTimer);
if (error)
return error;
return error;
}
/*---------------------------------------------------------------------------*/
static TUInt32 Heartbeat(T_uezTask aMyTask, void *aParams)
{
HAL_GPIOPort **p_gpio;
const TUInt32 pin = 13;
TBool run = ETrue;
HALInterfaceFind("GPIO1", (T_halWorkspace **)&p_gpio);
(*p_gpio)->SetOutputMode(p_gpio, 1<<pin);
(*p_gpio)->SetMux(p_gpio, pin, 0); // set to GPIO
// Blink
while (run) {
(*p_gpio)->Set(p_gpio, 1<<pin);
UEZTaskDelay(250);
(*p_gpio)->Clear(p_gpio, 1<<pin);
UEZTaskDelay(250);
}
return 0;
}
portBASE_TYPE Init_EMAC(unsigned short PHYType)
{
T_uezError error;
extern T_uezError SetupEMAC(void);
// Find the EMAC HAL and keep it around
error = HALInterfaceFind("EMAC", (T_halWorkspace **)&G_emacWS);
if (error != UEZ_ERROR_NONE) {
G_emac = 0;
G_emacWS = 0;
return pdFAIL;
}
G_emac = (HAL_EMAC *)(G_emacWS->iInterface);
// USe the NV settings to configure the EMAC
if (SetupEMAC() != UEZ_ERROR_NONE)
return pdFAIL;
return pdPASS;
}
int UEZGUICmd3VERR(void *aWorkspace, int argc, char *argv[])
{
// Read the GPIO for the 3VERR on P2_25
HAL_GPIOPort **p_gpio;
const TUInt32 pin = 2;
TUInt32 reading;
HALInterfaceFind("GPIO9", (T_halWorkspace **)&p_gpio);
// All we do is determine if this pin is high or low. High level is good,
// low means we are tripping an error.
(*p_gpio)->Read(p_gpio, 1 << pin, &reading);
if (reading) {
// High: good
FDICmdSendString(aWorkspace, "PASS: OK\n");
} else {
// Low: bad
FDICmdSendString(aWorkspace, "FAIL: Triggered\n");
}
return 0;
}
/*---------------------------------------------------------------------------*
* Routine: SetupEMAC
*---------------------------------------------------------------------------*
* Description:
* When the network goes active, SetupEMAC is called. This routine
* initializes the EMAC.
*---------------------------------------------------------------------------*/
T_uezError SetupEMAC(void)
{
T_uezError error;
HAL_EMAC **emac;
extern void *UEZEMACGetMACAddr(TUInt32 aUnitNumber);
// printf("Setting up EMAC ... ");
// Copy over the emac settings
memcpy(UEZ_EMAC_Settings.iMACAddress, UEZEMACGetMACAddr(0), 6);
// Setup and configure the EMAC
error = HALInterfaceFind("EMAC", (T_halWorkspace **)&emac);
if (!error)
error = (*emac)->Configure(emac, &UEZ_EMAC_Settings);
// if (error)
// printf("Error! (code %d)\n", error);
// else
// printf("OK\n");
return error;
}
/*---------------------------------------------------------------------------*
* Routine: Serial_Generic_HalfDuplex_Stream_Create
*---------------------------------------------------------------------------*
* Description:
* Create a full duplex serial stream to a HAL serial device and create
* the read and write buffers.
* Inputs:
* const char *aName -- Name of this created driver
* const char *aSerialHALName -- Name of low level Serial HAL driver
* TUInt32 aWriteBufferSize -- Size of the write buffer size in bytes
* TUInt32 aReadBufferSize -- Size of the read buffer size in bytes
* Outputs:
* T_uezError -- Error code.
*---------------------------------------------------------------------------*/
T_uezError Serial_Generic_HalfDuplex_Stream_Create(
const char *aName,
const char *aSerialHALName,
TUInt32 aWriteBufferSize,
TUInt32 aReadBufferSize,
T_uezGPIOPortPin aDriveEnablePortPin,
TBool aDriveEnablePolarity,
TUInt32 aDriveEnableReleaseTime)
{
T_halWorkspace *p_serialUART;
T_uezDeviceWorkspace *p_serial;
// Create serial stream device and link to HAL_Serial driver
UEZDeviceTableRegister(aName,
(T_uezDeviceInterface *)&Serial_GenericHalfDuplex_Stream_Interface,
0, &p_serial);
HALInterfaceFind(aSerialHALName, (T_halWorkspace **)&p_serialUART);
return Serial_GenericHalfDuplex_Configure(p_serial,
(HAL_Serial **)p_serialUART, aWriteBufferSize, aReadBufferSize,
UEZGPIOGetPort(aDriveEnablePortPin), 1
<<UEZ_GPIO_PIN_FROM_PORT_PIN(aDriveEnablePortPin),
aDriveEnablePolarity, aDriveEnableReleaseTime);
}
int UEZGUICmdSpeaker(void *aWorkspace, int argc, char *argv[])
{
TUInt32 freq;
T_uezDevice speaker;
HAL_GPIOPort **p_gpio2 = 0;
if (argc == 2) {
HALInterfaceFind("GPIO2", (T_halWorkspace **)&p_gpio2);
UEZToneGeneratorOpen("Speaker", &speaker);
freq = FDICmdUValue(argv[1]);
if (freq) {
(*p_gpio2)->SetMux(p_gpio2, 1, 1);
UEZToneGeneratorPlayToneContinuous(speaker, TONE_GENERATOR_HZ(freq));
} else {
UEZToneGeneratorPlayToneContinuous(speaker, TONE_GENERATOR_OFF);
(*p_gpio2)->SetMux(p_gpio2, 1, 0);
}
FDICmdPrintf(aWorkspace, "PASS: %d Hz\n", freq);
} else {
FDICmdSendString(aWorkspace, "FAIL: Incorrect parameters\n");
}
return 0;
}
/*---------------------------------------------------------------------------*
* Routine: ExternalInterrupt_Renesas_RX62N_Set
*---------------------------------------------------------------------------*
* Description:
* Set the rate of a given blink register (as close as possible).
* Inputs:
* void *aWorkspace -- Workspace
* TUInt32 aChannel -- EINT channel (0 to 15)
* TUInt8 aTrigger -- Trigger type (if used)
* EINTCallback aCallbackFunc -- Function to call when trigger.
* void *aCallbackWorkspace -- Parameter to pass to callback function.
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError ExternalInterrupt_Renesas_RX62N_Set(
void *aWorkspace,
TUInt32 aChannel,
T_EINTTrigger aTrigger,
EINT_Callback aCallbackFunc,
void *aCallbackWorkspace,
T_irqPriority aPriority,
const char *aName)
{
TUInt32 irqNum;
// T_ExternalInterrupt_Renesas_RX62N_Workspace *p =
// (T_ExternalInterrupt_Renesas_RX62N_Workspace *)aWorkspace;
T_eintEntry *p_entry;
T_uezError error = UEZ_ERROR_NONE;
TUInt8 edge;
const T_ExternalInterrupt_Renesas_RX62N_Info *p_info;
HAL_GPIOPort **p_gpio;
TUInt32 gpioPinIndex;
// Fake loop
while (1) {
// Is this a valid channel?
if (aChannel >= NUM_EXTERNAL_INTERRUPTS) {
error = UEZ_ERROR_OUT_OF_RANGE;
break;
}
// Is this external interrupt already in use?
p_entry = G_eintEntries + aChannel;
if (p_entry->iCallbackFunc) {
error = UEZ_ERROR_ALREADY_EXISTS;
break;
}
// Is this interrupt already registered?
irqNum = VECT_ICU_IRQ0 + aChannel;
if (InterruptIsRegistered(irqNum)) {
error = UEZ_ERROR_NOT_AVAILABLE;
break;
}
// Interrupt is available. Register it
p_entry->iPriority = aPriority;
p_entry->iTrigger = aTrigger;
p_entry->iCallbackWorkspace = aCallbackWorkspace;
p_entry->iCallbackFunc = aCallbackFunc;
// Start disabled
InterruptDisable(irqNum);
// Find the info about this pin
p_info = G_eintInfo + aChannel;
error = HALInterfaceFind((p_entry->iIsPinSetB) ? p_info->iGPIONameB
: p_info->iGPIONameA, (T_halWorkspace **)&p_gpio);
if (error)
break;
gpioPinIndex = (p_entry->iIsPinSetB) ? p_info->iGPIOPinIndexB
: p_info->iGPIOPinIndexA;
(*p_gpio)->SetInputMode(p_gpio, (1<<gpioPinIndex));
(*p_gpio)->Control(p_gpio, gpioPinIndex, GPIO_CONTROL_ENABLE_INPUT_BUFFER, 0);
// Map the trigger type to a constant
switch (aTrigger) {
case EINT_TRIGGER_EDGE_FALLING:
edge = (1 << 3);
break;
case EINT_TRIGGER_EDGE_RISING:
edge = (2 << 3);
break;
case EINT_TRIGGER_LEVEL_LOW:
edge = (0 << 3);
break;
case EINT_TRIGGER_EDGE_BOTH:
edge = (3 << 3);
break;
case EINT_TRIGGER_LEVEL_HIGH:
default:
edge = 0xFF;
break;
}
if (edge == 0xFF) {
error = UEZ_ERROR_INVALID_PARAMETER;
break;
}
ICU.IRQCR[aChannel].BYTE = edge;
// Clear the interrupt
ICU.IR[irqNum].BIT.IR = 0;
InterruptRegister(irqNum, G_eintFuncs[aChannel], aPriority, aName);
// Do not loop
break;
}
return error;
}
/*---------------------------------------------------------------------------*
* Routine: TS_MC_AR1020_Open
*---------------------------------------------------------------------------*
* Description:
* The TI TSC2046 is being opened.
* Inputs:
* void *aW -- Particular SPI workspace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError TS_MC_AR1020_Open(void *aW)
{
T_MC_AR1020Workspace *p = (T_MC_AR1020Workspace *)aW;
T_uezError error = UEZ_ERROR_NONE;
I2C_Request r;
T_uezDevice i2c2;
TUInt8 dataout[4] = {0x00, 0x55,0x01,EnableTouch};
TUInt8 datain[4] = {0xff, 0xff, 0xff, 0xff};
TUInt8 commandToSend[8] = {0x00, 0x55,0x05,RegisterWrite,0x00, 0x00, 0x01,0x60 };
TUInt8 regstart[6];
HAL_GPIOPort **p_gpio;
const TUInt32 pin = 15;
TUInt32 Read = 0;
HALInterfaceFind("GPIO2", (T_halWorkspace **)&p_gpio);
(*p_gpio)->SetInputMode(p_gpio, 1<<pin);
(*p_gpio)->SetMux(p_gpio, pin, 0); // set to GPIO
(*p_gpio)->Read(p_gpio, 1<<pin, &Read);
if(p->aNumOpen == 0)
{
error = UEZI2COpen("I2C2", &i2c2);
error = UEZI2CWrite(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, dataout, 4, UEZ_TIMEOUT_INFINITE);
while(Read == 0)
{
(*p_gpio)->Read(p_gpio, 1<<pin, &Read);
}
error = UEZI2CRead(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, datain, 5, UEZ_TIMEOUT_INFINITE);
//send command to change TouchThreshold to 0x60
// to write a register first send RegisterStartAddressRequest 0x22
// calculate the address by adding the offset of the register to the start address TouchThreshold 0x02
// issue the register write command RegisterWrite 0x21
dataout[0] = 0;
dataout[3] = RegisterStartAddressRequest;
//get start address
error = UEZI2CWrite(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, dataout, 4, UEZ_TIMEOUT_INFINITE);
while(Read == 0)
{
(*p_gpio)->Read(p_gpio, 1<<pin, &Read);
}
error = UEZI2CRead(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, regstart, 6, UEZ_TIMEOUT_INFINITE);
//
commandToSend[5] = regstart[4]+ TouchThreshold;
error = UEZI2CWrite(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, commandToSend, 8, UEZ_TIMEOUT_INFINITE);
while(Read == 0)
{
(*p_gpio)->Read(p_gpio, 1<<pin, &Read);
}
error = UEZI2CRead(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, datain, 4, UEZ_TIMEOUT_INFINITE);
commandToSend[5] = SensitivityFilter;
commandToSend[6] = 1;
commandToSend[7] = 10;
Read = 0;
error = UEZI2CWrite(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, commandToSend, 8, UEZ_TIMEOUT_INFINITE);
// while(Read == 0)
// {
// (*p_gpio)->Read(p_gpio, 1<<pin, &Read);
// }
// error = UEZI2CRead(i2c2, AR1020_I2C_ADDRESS, AR1020_I2C_SPEED, datain, 4, UEZ_TIMEOUT_INFINITE);
UEZI2CClose(i2c2);
}
p->aNumOpen++;
return error;
}
/*---------------------------------------------------------------------------*
* Routine: TS_MC_AR1020_Poll
*---------------------------------------------------------------------------*
* Description:
* Take a reading from the TSC2406 and put in reading structure.
* Inputs:
* void *aW -- Workspace
* T_uezTSReading *aReading -- Pointer to final reading
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError TS_MC_AR1020_Poll(void *aWorkspace, T_uezTSReading *aReading)
{
T_MC_AR1020Workspace *p =
(T_MC_AR1020Workspace *) aWorkspace;
T_uezError error;
I2C_Request r;
T_uezDevice i2c2;
TUInt8 data[5] = {0,0,0,0,0};
HAL_GPIOPort **p_gpio;
const TUInt32 pin = 15;
TUInt32 Read = 0;
TUInt32 x;
TUInt32 y;
HALInterfaceFind("GPIO2", (T_halWorkspace **)&p_gpio);
(*p_gpio)->SetInputMode(p_gpio, 1<<pin);
(*p_gpio)->SetMux(p_gpio, pin, 0); // set to GPIO
(*p_gpio)->Read(p_gpio, 1<<pin, &Read);
if ( Read == 0)
{
(aReading->iFlags) = (p->iLastTouch) ;
return UEZ_ERROR_NONE;
}
else
{
r.iAddr = AR1020_I2C_ADDRESS;
r.iSpeed = AR1020_I2C_SPEED;
r.iWriteData = 0;
r.iWriteLength = 0;
r.iWriteTimeout = UEZ_TIMEOUT_INFINITE;
r.iReadData = data;
r.iReadLength = 5;
r.iReadTimeout = UEZ_TIMEOUT_INFINITE;
error = UEZI2COpen("I2C2", &i2c2);
UEZI2CTransaction(i2c2, &r);
UEZI2CClose(i2c2);
x = data[4];
x = (x <<7);
x = x | data[3];
y = data[2];
y = (y <<7);
y = y | data[1];
//if(p->iIsCalibrating)
//for testing printf("%04x _ %04X\r\n", x, y);
if((data[0] & 0x01)== 0x01)
{
(aReading->iFlags) = (p->iLastTouch) = TSFLAG_PEN_DOWN;
(aReading->iX) = (p->iLastX)= x;
(aReading->iY) = (p->iLastY)= y;
if ((!p->iIsCalibrating) && (p->iHaveCalibration)) {
// Convert X & Y coordinates
TS_MC_AR1020_ApplyCalibration(
p, x, y,
(TUInt32 *) &aReading->iX,
(TUInt32 *) &aReading->iY);
}
}
else
{
(aReading->iFlags) = (p->iLastTouch)= 0;
(aReading->iX) = (p->iLastX);
(aReading->iY) = (p->iLastY);
TS_MC_AR1020_ApplyCalibration(
p, (p->iLastX), (p->iLastY),
(TUInt32 *) &aReading->iX,
(TUInt32 *) &aReading->iY);
}
return error;
}
}