/*********************************************************************
* Function: void DisplayBrightness(WORD level)
*
* PreCondition: none
*
* Input: level - Brightness level. Valid values are 0 to 100.
* - 0: brightness level is zero or display is turned off
* - 1: brightness level is maximum
*
* Output: none
*
* Side Effects: none
*
* Overview: Sets the brightness of the display.
*
* Note: none
*
********************************************************************/
void DisplayBrightness(WORD level)
{
// If the brightness can be controlled (for example through PWM)
// add code that will control the PWM here.
if (level > 0)
{
DisplayBacklightOn();
}
else if (level == 0)
{
DisplayBacklightOff();
}
}
// *****************************************************************************
// void SYSTEM_InitializeBoard(void)
// *****************************************************************************
void SYSTEM_InitializeBoard(void)
{
// ---------------------------------------------------------
// Make sure the display DO NOT flicker at start up
// ---------------------------------------------------------
DisplayBacklightConfig();
DisplayPowerConfig();
DisplayBacklightOff();
// ---------------------------------------------------------
// Initialize the Display Driver
// ---------------------------------------------------------
DRV_GFX_Initialize();
}
void SYSTEM_InitializeBoard(void)
{
const DRV_SPI_INIT_DATA SPI_Init_Data = {2, 3, 7, 0, SPI_BUS_MODE_3, 0};
// ---------------------------------------------------------
// Make sure the display DO NOT flicker at start up
// ---------------------------------------------------------
DisplayBacklightConfig();
DisplayPowerConfig();
DisplayBacklightOff();
// ---------------------------------------------------------
// mikroe Board
// SPI-Flash Device pins
// ---------------------------------------------------------
// chip select pin
SST25_CS_TRIS = 0;
SST25_CS_LAT = 1;
// spi-clock pin
SST25_SCK_TRIS = 0;
// spi-output pin
SST25_SDO_TRIS = 0;
// spi-intput pin
SST25_SDI_TRIS = 1;
/* Config the LED ports to output. */
LEDPortsConfig();
LEDPortsClear();
// ---------------------------------------------------------
// Initialize the Display Driver
// ---------------------------------------------------------
DRV_GFX_Initialize();
DRV_NVM_M25P80_Initialize((DRV_SPI_INIT_DATA*)&SPI_Init_Data);
// initialize system tick counter
SYSTEM_TickInit();
// initialize the components for Resistive Touch Screen
TouchInit(NVMWrite, NVMRead, NVMSectorErase, NULL);
// TouchInit(NULL, NULL, NULL, NULL);
}
// *****************************************************************************
// void SYSTEM_InitializeBoard(void)
// *****************************************************************************
void SYSTEM_InitializeBoard(void)
{
// SPI initialization for Serial RAM
const DRV_SPI_INIT_DATA SRAM_SPI_Init_Data = {
2, 3,
7, 1,
SPI_BUS_MODE_1, 0};
// SPI initialization for EPD
const DRV_SPI_INIT_DATA EPD_SPI_Init_Data = {
1, 3,
7, 1,
SPI_BUS_MODE_1, 0};
// ---------------------------------------------------------
// Make sure the display DO NOT flicker at start up
// ---------------------------------------------------------
DisplayBacklightConfig();
DisplayPowerConfig();
DisplayBacklightOff();
// ---------------------------------------------------------
// ADC Explorer 16 Development Board Errata (work around 2)
// RB15 should be output
// ---------------------------------------------------------
LATBbits.LATB15 = 0;
TRISBbits.TRISB15 = 0;
// ---------------------------------------------------------
// EPD PicTail Plus Daughter Board 23K256
// SPI-RAM Device Chip Select pin
// ---------------------------------------------------------
MCHP_23K256_CS_TRIS = 0;
MCHP_23K256_CS_LAT = 1;
// ---------------------------------------------------------
// EPD PicTail Plus Daughter
// Board EPD Controller Device Chip Select pin
// ---------------------------------------------------------
DRV_EPD_SPI_CS_TRIS = 0;
DRV_EPD_SPI_CS_LAT = 1;
// ---------------------------------------------------------
// SPI Port pins
// ---------------------------------------------------------
// spi-clock pin
TRISFbits.TRISF6 = 0;
// spi-output pin
TRISFbits.TRISF8 = 0;
// spi-intput pin
TRISFbits.TRISF7 = 1;
// initialize SPI driver
DRV_RAM_23K256_Initialize((DRV_SPI_INIT_DATA*)&SRAM_SPI_Init_Data);
// initialize EPD driver
DRV_EPD_SPI_Initialize((DRV_SPI_INIT_DATA*)&EPD_SPI_Init_Data);
// Initialize the e-paper (EPD)
EPD_display_init();
// ---------------------------------------------------------
// Initialize the Display Driver
// ---------------------------------------------------------
DRV_GFX_Initialize();
GFX_Initialize();
// Initialize the reference timer.
SYSTEM_TickInit();
}
// *****************************************************************************
void SYSTEM_InitializeBoard(void)
{
const DRV_SPI_INIT_DATA SPI_Init_Data = {2, 3, 7, 0, SPI_BUS_MODE_3, 0};
// ---------------------------------------------------------
// Make sure the display DO NOT flicker at start up
// ---------------------------------------------------------
DisplayBacklightConfig();
DisplayPowerConfig();
DisplayBacklightOff();
// ---------------------------------------------------------
// ADC Explorer 16 Development Board Errata (work around 2)
// RB15 should be output
// ---------------------------------------------------------
LATBbits.LATB15 = 0;
TRISBbits.TRISB15 = 0;
// ---------------------------------------------------------
// Explorer 16 Development Board MCHP25LC256 chip select signal,
// even if not used must be driven to high so it does not
// interfere with other SPI peripherals that uses the same SPI signals.
// ---------------------------------------------------------
TRISDbits.TRISD12 = 0;
LATDbits.LATD12 = 1;
// ---------------------------------------------------------
// Graphics LCD Controller PICtail Plus SSD1926 Board
// SPI-Flash Device pins
// ---------------------------------------------------------
// chip select pin
TRISDbits.TRISD1 = 0;
LATDbits.LATD1 = 1;
// spi-clock pin
TRISGbits.TRISG6 = 0;
// spi-output pin
TRISGbits.TRISG8 = 0;
// spi-intput pin
TRISGbits.TRISG7 = 1;
// ---------------------------------------------------------
// UART pins
// ---------------------------------------------------------
// initialize the UART pins
TRISFbits.TRISF5 = 0;
TRISFbits.TRISF4 = 1;
// unlock PPS
__builtin_write_OSCCONL(OSCCON & 0xbf);
// set UART pins
RPINR19bits.U2RXR = 10; // assign RP10 to RX
RPOR8bits.RP17R = 5; // assign RP17 to TX
// set SPI pins
RPOR10bits.RP21R = 11; // assign RP21 for SCK2
RPOR9bits.RP19R = 10; // assign RP19 for SDO2
RPINR22bits.SDI2R = 26; // assign RP26 for SDI2
// lock PPS
__builtin_write_OSCCONL(OSCCON | 0x40);
// ---------------------------------------------------------
// Initialize the Display Driver
// ---------------------------------------------------------
DRV_GFX_Initialize();
DRV_NVM_SST25VF016_Initialize((DRV_SPI_INIT_DATA*)&SPI_Init_Data);
// initialize system tick counter
SYSTEM_TickInit();
// initialize the components for Resistive Touch Screen
TouchInit(NVMWrite, NVMRead, NVMSectorErase, NULL);
}
/*
*********************************************************************************************************
* ApplicationInitialize
*
* Description : This function is called by SYS_Initialize() function and run after power up. Global
* interrupts are not enabled here (i.e. CP0 Status register). Interrupts will be enabled
* by RTOS when the highest priority task is run for the first time.
* Arguments :
*********************************************************************************************************
*/
void ApplicationInitialize ( void )
{
portBASE_TYPE errStatus;
/*initialize app_data object to initial values for this application*/
appData.deviceHandle = USB_DEVICE_HANDLE_INVALID;
appData.isConfigured = false;
/* Initialize the keycode array */
appData.key = USB_HID_KEYBOARD_KEYPAD_KEYBOARD_A;
appData.keyCodeArray.keyCode[0] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[1] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[2] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[3] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[4] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
appData.keyCodeArray.keyCode[5] = USB_HID_KEYBOARD_KEYPAD_RESERVED_NO_EVENT_INDICATED;
/* Initialize the modifier keys */
appData.keyboardModifierKeys.modifierkeys = 0;
/* Initialise the led state */
appData.keyboardOutputReport.data = 0;
/* Intialize the switch state */
appData.isSwitchPressed = false;
appData.ignoreSwitchPress = false;
/* Initialize the HID instance index. */
appData.hidInstance = 0;
/* Initialize tracking variables */
appData.isReportReceived = false;
appData.isReportSentComplete = true;
/* Initialize the application state*/
appData.state = APP_STATE_INIT;
/*write proper hardware pins to setup gfx*/
DisplayResetEnable();
DisplayResetConfig();
DisplayCmdDataConfig();
DisplayConfig();
DisplayBacklightOff();
DisplayBacklightConfig();
/*create applicaiton specific tasks*/
errStatus = xTaskCreate((pdTASK_CODE) ApplicationLEDblinkTask,
(const signed char*)"LED Blink Task",
APPLICATION_LEDBLINKTASK_STKSIZE,
NULL,
APPLICATION_LEDBLINKTASK_PRIO,
NULL);
errStatus = xTaskCreate((pdTASK_CODE) ApplicationUSBDeviceTask,
(const signed char*)"USB Device Task",
APPLICATION_USBDEVICETASK_STKSIZE,
NULL,
APPLICATION_USBDEVICETASK_PRIO,
NULL);
errStatus = xTaskCreate((pdTASK_CODE) ApplicationDisplayTask,
(const signed char*)"Display Task",
APPLICATION_DISPLAYTASK_STKSIZE,
NULL,
APPLICATION_DISPLAYTASK_PRIO,
NULL);
/*setup up interrupt controller to use multi-vectored mode, this is not the internal CP0 register,
this sets the SFR register*/
PLIB_INT_MultiVectorSelect(INT_ID_0);
/* Set priority for USB interrupt source */
PLIB_INT_VectorPrioritySet(INT_ID_0,INT_VECTOR_USB,INT_PRIORITY_LEVEL4);
}
