/*---------------------------------------------------------------------------*
* Routine: UEZPlatform_Speaker_Require
*---------------------------------------------------------------------------*
* Description:
* Setup the Speaker device driver
*---------------------------------------------------------------------------*/
void UEZPlatform_Speaker_Require(void)
{
const T_ToneGenerator_Generic_PWM_Settings settings = {
"PWM_TPU0",
1,
GPIO_NONE,
0,
0,
};
T_uezDevice pwmDevice;
DEVICE_CREATE_ONCE();
UEZPlatform_PWM_TPU0_Require();
UEZDeviceTableFind("PWM_TPU0", &pwmDevice);
// The PWM Speaker is output by setting and clearing a GPIO pin
// through software by using Callback routines.
UEZGPIOClear(GPIO_P17); // AUD_R
UEZGPIOOutput(GPIO_P17);
UEZGPIOClear(GPIO_PA0); // AUD_L
UEZGPIOOutput(GPIO_PA0);
UEZGPIOSet(GPIO_PA2); // AMP
UEZGPIOOutput(GPIO_PA2);
UEZPWMSetMatchCallback(pwmDevice, 0, UEZPlatform_SpeakerMasterCallback, 0);
UEZPWMSetMatchCallback(pwmDevice, 1, UEZPlatform_SpeakerMatchCallback, 0);
ToneGenerator_Generic_PWM_Create("Speaker", &settings);
}
/*---------------------------------------------------------------------------*
* Routine: UEZGUI_EXP_DK_FullDuplex_RS485_Require
*---------------------------------------------------------------------------*
* Description:
* Setup a full duplex RS485 connection.
*---------------------------------------------------------------------------*/
void UEZGUI_EXP_DK_FullDuplex_RS485_Require(
TUInt32 aWriteBufferSize,
TUInt32 aReadBufferSize)
{
// Need UART A without a stream
UEZPlatform_ExpansionPrimary_UART_A_Require();
// Ensure the drive enable pin is always HIGH
if (GPIO_EXPDK_485DE != GPIO_NONE) {
UEZGPIOSetMux(GPIO_EXPDK_485DE, 0);
UEZGPIOSet(GPIO_EXPDK_485DE);
UEZGPIOOutput(GPIO_EXPDK_485DE);
UEZGPIOLock(GPIO_EXPDK_485DE);
}
// Ensure the receive enable pin is always low
if (GPIO_EXPDK_485RE != GPIO_NONE) {
// Drive enable pin must be LOW
UEZGPIOSetMux(GPIO_EXPDK_485RE, 0);
UEZGPIOClear(GPIO_EXPDK_485RE);
UEZGPIOOutput(GPIO_EXPDK_485RE);
UEZGPIOLock(GPIO_EXPDK_485RE);
}
Serial_Generic_FullDuplex_Stream_Create("EXP_RS485",
PRIMARY_EXPANSION_UART_A, aWriteBufferSize, aReadBufferSize);
}
/*---------------------------------------------------------------------------*
* Routine: SetLevel
*---------------------------------------------------------------------------*
* Description:
* Set the gain of the audio amp to the desired level
* Inputs:
* void *aWorkspace
* TUInt8 aLevel --new level to set the amp to
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError AudioAmp_8551T_SetLevel(void *aWorkSpace, TUInt8 aLevel)
{
T_AudioAmp_8551T_Workspace *p = (T_AudioAmp_8551T_Workspace *)aWorkSpace;
TUInt8 i, setLevel, oldLevel;
UEZSemaphoreGrab(p->iSem, UEZ_TIMEOUT_INFINITE);
oldLevel = ((((p->iLevel * 100) / (0xFF)) * (p->iMaxLevel - p->iMinLevel))/100) + p->iMinLevel;
p->iLevel = aLevel;
setLevel = ((p->iLevel * (p->iMaxLevel - p->iMinLevel))/0xFF) + p->iMinLevel;
UEZGPIOSetMux(p->iVolumeGPIO, 0); // set to GPIO
if (setLevel != oldLevel) {
if (oldLevel < setLevel) {
for (i = oldLevel; i < setLevel; i++) {
UEZGPIOSet(p->iVolumeGPIO); //set High to go up
UEZGPIOOutput(p->iVolumeGPIO); //set to output
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOSet(p->iVolEnableGPIO);
UEZTaskDelay(1);
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZGPIOInput(p->iVolumeGPIO);
UEZGPIOClear(p->iVolumeGPIO);
UEZGPIOSetPull(p->iVolumeGPIO, GPIO_PULL_NONE);
UEZTaskDelay(1);
}
} else {
for (i = oldLevel; i > setLevel; i--) {
UEZGPIOClear(p->iVolumeGPIO); //set low to go down
UEZGPIOOutput(p->iVolumeGPIO); //set to output
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOSet(p->iVolEnableGPIO);
UEZTaskDelay(1);
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZGPIOInput(p->iVolumeGPIO);
UEZGPIOSetPull(p->iVolumeGPIO, GPIO_PULL_NONE);
UEZTaskDelay(1);
}
}
p->iLevel = aLevel;
}
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZSemaphoreRelease(p->iSem);
return UEZ_ERROR_NONE;
}
/*---------------------------------------------------------------------------*
* Routine: Open
*---------------------------------------------------------------------------*
* Description:
* Initalizes pins for the audio amp
* turns it on
* sets the level to the default
* Inputs:
* void *aWorkSpace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError AudioAmp_8551T_Open(void *aWorkSpace)
{
T_AudioAmp_8551T_Workspace *p = (T_AudioAmp_8551T_Workspace *)aWorkSpace;
TUInt8 i, setLevel;
UEZSemaphoreGrab(p->iSem, UEZ_TIMEOUT_INFINITE);
p->iNumOpen++;
if (!(p->iIsOn)) {
setLevel = ((p->iLevel * (p->iMaxLevel - p->iMinLevel))/0xFF) + p->iMinLevel;
p->iIsOn = ETrue;
UEZGPIOOutput(p->iModeGPIO);
UEZGPIOSetMux(p->iModeGPIO, 0); // set to GPIO
UEZGPIOClear(p->iModeGPIO); // Turn on the amp
UEZGPIOOutput(p->iVolumeGPIO);
UEZGPIOSetMux(p->iVolumeGPIO, 0); // set to GPIO
for (i = HIGH_LEVEL; i > 0; i--) {
UEZGPIOClear(p->iVolumeGPIO); // set low to go down
UEZGPIOOutput(p->iVolumeGPIO); // set to output
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOSet(p->iVolEnableGPIO);
UEZTaskDelay(1);
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZGPIOInput(p->iVolumeGPIO); // set to input
UEZGPIOSetPull(p->iVolumeGPIO, GPIO_PULL_NONE);
UEZTaskDelay(1);
}
for (i = LOW_LEVEL; i < setLevel; i++) {
UEZGPIOSet(p->iVolumeGPIO); // set low to go down
UEZGPIOOutput(p->iVolumeGPIO); // set to output
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOSet(p->iVolEnableGPIO);
UEZTaskDelay(1);
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZGPIOInput(p->iVolumeGPIO); // set to input
UEZGPIOSetPull(p->iVolumeGPIO, GPIO_PULL_NONE);
UEZTaskDelay(1);
}
}
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZSemaphoreRelease(p->iSem);
return UEZ_ERROR_NONE;
}
/*---------------------------------------------------------------------------*
* Routine: LCD_RH320240T_Open
*---------------------------------------------------------------------------*
* Description:
* Start the LCD screen. If this is the first open, initialize the
* screen.
* Inputs:
* void *aW -- Workspace
* Outputs:
* T_uezError -- If the device is opened, returns
* UEZ_ERROR_NONE.
*---------------------------------------------------------------------------*/
T_uezError LCD_RH320240T_Open(void *aW)
{
T_RH320240TWorkspace *p = (T_RH320240TWorkspace *)aW;
HAL_LCDController **plcdc;
T_uezError error = UEZ_ERROR_NONE;
p->aNumOpen++;
if (p->aNumOpen == 1) {
plcdc = p->iLCDController;
// Choose a settings based on the configuration
switch (p->iConfiguration->iColorDepth) {
case UEZLCD_COLOR_DEPTH_8_BIT:
LCD_RH320240T_settings = LCD_RH320240T_params8bit;
break;
default:
case UEZLCD_COLOR_DEPTH_16_BIT:
LCD_RH320240T_settings = LCD_RH320240T_params16bit;
break;
case UEZLCD_COLOR_DEPTH_I15_BIT:
LCD_RH320240T_settings = LCD_RH320240T_paramsI15bit;
break;
}
LCD_RH320240T_settings.iBaseAddress = p->iBaseAddress;
// Turn on LCD controller and output power pin
// Programs SPI first after power up
error = (*plcdc)->Configure(plcdc, &LCD_RH320240T_settings);
// Testing
(*p->iLCDController)->On(p->iLCDController); // turns on data next
UEZGPIOSetMux(p->iSHUTGPIOPin, 0);
UEZGPIOSet(p->iSHUTGPIOPin);
UEZGPIOOutput(p->iSHUTGPIOPin);
// Drop SHUT down to be a low (active)
UEZGPIOClear(p->iSHUTGPIOPin);
// What does data enable pin do? high or low? It doesn't appear to be needed.
// UEZGPIOSetMux(p->iENBGPIOPin, 0);
// UEZGPIOClear(p->iENBGPIOPin);
// UEZGPIOSet(p->iENBGPIOPin);
// UEZGPIOOutput(p->iENBGPIOPin);
// Configure SPI
LCD_ConfigureSPI(p);
return error;
}
return UEZ_ERROR_NONE;
}
/*---------------------------------------------------------------------------*
* Routine: uEZPlatformStartup
*---------------------------------------------------------------------------*
* Description:
* When uEZ starts, a special Startup task is created and called.
* This task brings up the all the hardware, reports any problems,
* starts the main task, and then exits.
*---------------------------------------------------------------------------*/
TUInt32 uEZPlatformStartup(T_uezTask aMyTask, void *aParameters)
{
extern T_uezTask G_mainTask;
UEZPlatform_Standard_Require();
SUIInitialize(SIMPLEUI_DOUBLE_SIZED_ICONS, EFalse, EFalse); // SWIM not flipped
// USB Flash drive host mode needed?
#if USB_PORT_B_HOST_DETECT_ENABLED
UEZGPIOLock(GPIO_P0_12);
UEZGPIOSet(GPIO_P0_12); // disable MIC2025
UEZGPIOOutput(GPIO_P0_12);
UEZGPIOInput(GPIO_P0_28);
UEZGPIOSetMux(GPIO_P0_28, 0);
G_usbIsDevice = UEZGPIORead(GPIO_P0_28);
if (G_usbIsDevice) {
// High for a device
UEZPlatform_USBDevice_Require();
} else {
// Low for a host
#if UEZ_ENABLE_USB_HOST_STACK
UEZPlatform_USBFlash_Drive_Require(0);
#endif
UEZGPIOClear(GPIO_P0_12); // enable MIC2025
}
#else
G_usbIsDevice = ETrue;
// USB Device needed?
UEZPlatform_USBDevice_Require();
#endif
#if UEZ_ENABLE_USB_HOST_STACK
// USB Host is required
UEZPlatform_USBFlash_Drive_Require(0);
#endif
// SDCard needed?
UEZPlatform_SDCard_Drive_Require(1);
// Network needed?
#if UEZ_ENABLE_WIRED_NETWORK
UEZPlatform_WiredNetwork0_Require();
#endif
// Create a main task (not running yet)
UEZTaskCreate((T_uezTaskFunction)MainTask, "Main", MAIN_TASK_STACK_SIZE, 0,
UEZ_PRIORITY_NORMAL, &G_mainTask);
// Done with this task, fall out
return 0;
}
/*---------------------------------------------------------------------------*
* Task: Heartbeat
*---------------------------------------------------------------------------*
* Description:
* Blink heartbeat LED
* Inputs:
* T_uezTask aMyTask -- Handle to this task
* void *aParams -- Parameters. Not used.
* Outputs:
* TUInt32 -- Never returns.
*---------------------------------------------------------------------------*/
TUInt32 Heartbeat(T_uezTask aMyTask, void *aParams)
{
UEZGPIOOutput(GPIO_PD0);
// Blink
for (;;) {
UEZGPIOSet(GPIO_PD0);
UEZTaskDelay(250);
UEZGPIOClear(GPIO_PD0);
UEZTaskDelay(250);
}
return 0;
}
/*---------------------------------------------------------------------------*
* Routine: UEZGUI_EXP_DK_USB_Host_Port_B_Detect
*---------------------------------------------------------------------------*
* Description:
* Detect USB Host mode on mini-AB port using OTG adapter ID pin to GND
*---------------------------------------------------------------------------*/
TBool UEZGUI_EXP_DK_USB_Host_Port_B_Detect()
{
TBool IsDevice;
UEZGPIOLock(GPIO_USB_HOST_ENABLE); // P0_12 on LPC1788 uEZGUIs
UEZGPIOSet(GPIO_USB_HOST_ENABLE); // disable MIC2025 power for USB
UEZGPIOOutput(GPIO_USB_HOST_ENABLE);
UEZGPIOInput(GPIO_EXPDK_USBDID);
UEZGPIOSetMux(GPIO_EXPDK_USBDID, 0);
IsDevice = UEZGPIORead(GPIO_EXPDK_USBDID);
if(!IsDevice){
UEZGPIOClear(GPIO_USB_HOST_ENABLE);// enable MIC2025 USB Power
}
return IsDevice;
}
int CmdLED(void *aWorkspace, int argc, char *argv[])
{
TUInt32 on;
if (argc == 2) {
on = FDICmdUValue(argv[1]);
UEZGPIOOutput(GPIO_PE3);
if (on) {
UEZGPIOClear(GPIO_PE3);
FDICmdPrintf(aWorkspace, "PASS: On\n");
} else {
UEZGPIOSet(GPIO_PE3);
FDICmdPrintf(aWorkspace, "PASS: Off\n");
}
} else {
FDICmdPrintf(aWorkspace, "FAIL: Incorrect parameters\n");
}
return 0;
}
/*---------------------------------------------------------------------------*
* Routine: TS_EXC7200_Configure
*---------------------------------------------------------------------------*
* Description:
* The SPI bus and GPIO device are being declared.
* Inputs:
* void *aW -- Particular SPI workspace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError TS_EXC7200_Configure(T_uezDeviceWorkspace *aW)
{
T_EXC7200Workspace *p = (T_EXC7200Workspace *)aW;
UEZSemaphoreGrab(p->iSemWaitForTouch, 0);
UEZGPIOSetMux(p->iResetPin, 0);//Set to GPIO
UEZGPIOOutput(p->iResetPin);
UEZGPIOClear(p->iResetPin);
UEZTaskDelay(1);
UEZGPIOConfigureInterruptCallback(
UEZ_GPIO_PORT_FROM_PORT_PIN(p->iInteruptPin),
TS_EXC7200_InterruptISR,
p);
UEZGPIOEnableIRQ(p->iInteruptPin, GPIO_INTERRUPT_FALLING_EDGE);
UEZGPIOSet(p->iResetPin);
T_uezDevice i2c;
I2C_Request request;
T_uezError error;
TUInt8 dataIn[10];
TUInt8 dataOut[10] = { 0x03, 0x06, 0x0A, 0x04, 0x36, 0x3f, 0x01, 9, 0, 0};
request.iAddr = EXC7200_I2C_ADDRESS;
request.iSpeed = EXC7200_I2C_SPEED;
request.iReadData = dataIn;
request.iReadLength = 10;
request.iWriteData = dataOut;
request.iWriteLength = 10;
UEZI2COpen(p->iI2CBus, &i2c);
error = UEZI2CTransaction(i2c, &request);
return UEZ_ERROR_NONE;
}
/*---------------------------------------------------------------------------*
* Routine: Close
*---------------------------------------------------------------------------*
* Description:
* Puts the device in standby when iNumOpen is 0
* Inputs:
* void *aWorkSpace
* Outputs:
* T_uezError -- Error code
*---------------------------------------------------------------------------*/
T_uezError AudioAmp_8551T_Close(void *aWorkSpace)
{
T_AudioAmp_8551T_Workspace *p = (T_AudioAmp_8551T_Workspace *)aWorkSpace;
if (p->iIsOn) {
p->iNumOpen--;
}
if (p->iNumOpen == 0) {
UEZGPIOOutput(p->iModeGPIO);
UEZGPIOSetMux(p->iModeGPIO, 0); // set to GPIO
UEZGPIOSet(p->iModeGPIO); // set to standby
p->iIsOn = EFalse;
p->iIsMuted = EFalse;
p->iLevel = DEFAULT_LEVEL;
}
if (p->iVolEnableGPIO != GPIO_NONE)
UEZGPIOClear(p->iVolEnableGPIO);
UEZSemaphoreRelease(p->iSem);
return UEZ_ERROR_NONE;
}
/*--------------------------------------------------------------------------*/
T_uezError GainSpan_CmdLib_ConfigureForSPI(
const T_GainSpan_CmdLib_SPISettings *aSettings)
{
T_uezError error;
ATLIBGS_MSG_ID_E r;
int i;
G_GSCmdLibSettings = *aSettings;
G_GSSPITemplate.iBitsPerTransfer = 8;
G_GSSPITemplate.iCSPolarity = EFalse; // Falling edge
G_GSSPITemplate.iClockOutPolarity = EFalse; // Falling edge
G_GSSPITemplate.iClockOutPhase = EFalse; // ETrue;
G_GSSPITemplate.iDataMISO = 0;
G_GSSPITemplate.iDataMISO = 0;
G_GSSPITemplate.iNumTransferredIn = 0;
G_GSSPITemplate.iNumTransferredOut = 0;
G_GSSPITemplate.iRate = aSettings->iRate / 1000;
G_GSSPITemplate.iCSGPIOPort = GPIO_TO_HAL_PORT(aSettings->iSPIChipSelect);
G_GSSPITemplate.iCSGPIOBit = GPIO_TO_PIN_BIT(aSettings->iSPIChipSelect);
error = UEZSPIOpen(G_GSCmdLibSettings.iSPIDeviceName, &G_GSSPI);
if (error)
return error;
// Ensure these pins are not configured elsewhere
UEZGPIOLock(G_GSCmdLibSettings.iDataReadyIO);
if (G_GSCmdLibSettings.iSRSTn != GPIO_NONE ){
UEZGPIOLock(G_GSCmdLibSettings.iSRSTn);
UEZGPIOOutput(G_GSCmdLibSettings.iSRSTn); // WIFI_SRSTn
}
UEZGPIOInput(G_GSCmdLibSettings.iDataReadyIO); // WIFI IRQ
if (G_GSCmdLibSettings.iProgramMode != GPIO_NONE ) {
UEZGPIOLock(G_GSCmdLibSettings.iProgramMode);
UEZGPIOClear(G_GSCmdLibSettings.iProgramMode); // WIFI PROGRAM OFF
UEZGPIOOutput(G_GSCmdLibSettings.iProgramMode); // WIFI PROGRAM OFF
}
if (G_GSCmdLibSettings.iSPIMode != GPIO_NONE ) {
UEZGPIOLock(G_GSCmdLibSettings.iSPIMode);
UEZGPIOSet(G_GSCmdLibSettings.iSPIMode); // WIFI_MODE SPI
UEZGPIOOutput(G_GSCmdLibSettings.iSPIMode); // WIFI_MODE SPI
}
UEZTaskDelay(1250);
if (G_GSCmdLibSettings.iSRSTn != GPIO_NONE )
UEZGPIOSet(G_GSCmdLibSettings.iSRSTn); // WIFI_SRSTn
UEZTaskDelay(1000);
// Initialize the GainSpan SPI routines
GainSpan_SPI_Start();
// Flush anything there
AtLibGs_FlushIncomingMessage();
/* Send command to check 5 times for module */
for (i = 0; i < 5; i++){
AtLibGs_FlushIncomingMessage();
r = AtLibGs_Check(GAINSPAN_AT_DEFAULT_TIMEOUT);
if(ATLIBGS_MSG_ID_OK == r){
break;
}
}
if(ATLIBGS_MSG_ID_RESPONSE_TIMEOUT == r){
return UEZ_ERROR_NOT_FOUND;
}
/* Send command to DISABLE echo */
do {
r = AtLibGs_SetEcho(ATLIBGS_DISABLE);
} while (ATLIBGS_MSG_ID_OK != r);
// For now, just report it is not found
if (r != ATLIBGS_MSG_ID_OK)
return UEZ_ERROR_NOT_FOUND;
return UEZ_ERROR_NONE;
}