/**************************************************************************//**
* @file main.c
* @version V1.00
* $Revision: 2 $
* $Date: 15/09/02 10:03a $
* @brief Display an image on TFT LCD panel via SPI interface and control LED.
*
* @note
* Copyright (C) 2013~2015 Nuvoton Technology Corp. All rights reserved.
*
******************************************************************************/
#include <stdio.h>
#include "M451Series.h"
#define ILI9341_RESET PB15
#define ILI9341_DC PB11
#define ILI9341_LED PB5
#define LED1 PC3
#define LED2 PC2
#define LED3 PB1
#define LED4 PC7
#define LED_R PC9
#define LED_G PC10
#define LED_B PC11
extern uint8_t u8Image[153600];
extern uint8_t Font8x16[];
#define White 0xFFFF
#define Black 0x0000
#define Blue 0x001F
#define Blue2 0x051F
#define Red 0xF800
#define Magenta 0xF81F
#define Green 0x07E0
#define Cyan 0x7FFF
#define Yellow 0xFFE0
uint8_t LCD_ReadReg(uint8_t u8Comm)
{
SPI_ClearRxFIFO(SPI2);
ILI9341_DC = 0;
SPI_WRITE_TX(SPI2, u8Comm);
SPI_WRITE_TX(SPI2, 0x00);
// wait tx finish
while(SPI_IS_BUSY(SPI2));
SPI_READ_RX(SPI2);
return (SPI_READ_RX(SPI2));
}
void LCD_WriteCommand(uint8_t u8Comm)
{
ILI9341_DC = 0;
SPI_WRITE_TX(SPI2, u8Comm);
// wait tx finish
while(SPI_IS_BUSY(SPI2));
}
void LCD_WriteData(uint8_t u8Data)
{
ILI9341_DC = 1;
SPI_WRITE_TX(SPI2, u8Data);
// wait tx finish
while(SPI_IS_BUSY(SPI2));
}
void ILI9341_LCD_DisplayOnScreen(void)
{
uint32_t i,j;
uint16_t *u16ImgPtr = (uint16_t *) &u8Image[0];
LCD_WriteCommand(0x2c);
ILI9341_DC = 1;
/* Need to disable and then can change data width to 16-bit */
SPI_DISABLE(SPI2);
SPI_SET_DATA_WIDTH(SPI2, 16);
SPI_ENABLE(SPI2);
/* Load image */
for (i=0; i<320; i++) {
for (j=0; j<240; j++) {
while(SPI_GET_TX_FIFO_FULL_FLAG(SPI2));
SPI_WRITE_TX(SPI2, *(u16ImgPtr++));
}
}
// wait tx finish
while(SPI_IS_BUSY(SPI2));
/* Change data width back to 8-bit */
SPI_DISABLE(SPI2);
SPI_SET_DATA_WIDTH(SPI2, 8);
SPI_ENABLE(SPI2);
LCD_WriteCommand(0x29);
}
void ILI9341_LCD_SetAddress(uint32_t x1,uint32_t x2,uint32_t y1,uint32_t y2)
{
if(x1 >= 240)
x1 = 239;
if(x2 >= 240)
x2 = 239;
if(y1 >= 320)
y1 = 319;
if(y2 >= 320)
y2 = 319;
LCD_WriteCommand(0x2a);
LCD_WriteData(x1>>8);
LCD_WriteData(x1);
LCD_WriteData(x2>>8);
LCD_WriteData(x2);
LCD_WriteCommand(0x2b);
LCD_WriteData(y1>>8);
LCD_WriteData(y1);
LCD_WriteData(y2>>8);
LCD_WriteData(y2);
}
void ILI9341_LCD_PutChar8x16(uint16_t x, uint16_t y, uint8_t c, uint32_t fColor, uint32_t bColor)
{
uint32_t i,j;
for(i=0;i<16;i++){
uint8_t m=Font8x16[c*16+i];
ILI9341_LCD_SetAddress(x+i,x+i,y,y+7);
LCD_WriteCommand(0x2c);
for(j=0;j<8;j++){
if((m&0x01)==0x01){
LCD_WriteData(fColor>>8);
LCD_WriteData(fColor);
}
else{
LCD_WriteData(bColor>>8);
LCD_WriteData(bColor);
}
m>>=1;
}
}
}
void ILI9341_LCD_PutString(uint16_t x, uint16_t y,uint8_t *s, uint32_t fColor, uint32_t bColor)
{
uint8_t l=0;
while(*s){
if(*s<0x80){
ILI9341_LCD_PutChar8x16(x,312-y-l*8,*s,fColor,bColor);
s++;
l++;
}
}
}
void ILI9341_LCD_Init(void)
{
/* Configure DC/RESET/LED pins */
ILI9341_DC =0;
ILI9341_RESET=0;
ILI9341_LED=0;
GPIO_SetMode(PB, BIT5, GPIO_MODE_OUTPUT);
GPIO_SetMode(PB, BIT11, GPIO_MODE_OUTPUT);
GPIO_SetMode(PB, BIT15, GPIO_MODE_OUTPUT);
/* Configure LCD */
ILI9341_DC = 1;
ILI9341_RESET = 0;
TIMER_Delay(TIMER0, 20000);
ILI9341_RESET = 1;
TIMER_Delay(TIMER0, 40000);
LCD_WriteCommand(0xCB);
LCD_WriteData(0x39);
LCD_WriteData(0x2C);
LCD_WriteData(0x00);
LCD_WriteData(0x34);
LCD_WriteData(0x02);
LCD_WriteCommand(0xCF);
LCD_WriteData(0x00);
LCD_WriteData(0xC1);
LCD_WriteData(0x30);
LCD_WriteCommand(0xE8);
LCD_WriteData(0x85);
LCD_WriteData(0x00);
LCD_WriteData(0x78);
LCD_WriteCommand(0xEA);
LCD_WriteData(0x00);
LCD_WriteData(0x00);
LCD_WriteCommand(0xED);
LCD_WriteData(0x64);
LCD_WriteData(0x03);
LCD_WriteData(0x12);
LCD_WriteData(0x81);
LCD_WriteCommand(0xF7);
LCD_WriteData(0x20);
LCD_WriteCommand(0xC0);
LCD_WriteData(0x23);
LCD_WriteCommand(0xC1);
LCD_WriteData(0x10);
LCD_WriteCommand(0xC5);
LCD_WriteData(0x3e);
LCD_WriteData(0x28);
LCD_WriteCommand(0xC7);
LCD_WriteData(0x86);
LCD_WriteCommand(0x36);
LCD_WriteData(0x48);
LCD_WriteCommand(0x3A);
LCD_WriteData(0x55);
LCD_WriteCommand(0xB1);
LCD_WriteData(0x00);
LCD_WriteData(0x18);
LCD_WriteCommand(0xB6);
LCD_WriteData(0x08);
LCD_WriteData(0x82);
LCD_WriteData(0x27);
LCD_WriteCommand(0xF2);
LCD_WriteData(0x00);
LCD_WriteCommand(0x26);
LCD_WriteData(0x01);
LCD_WriteCommand(0xE0);
LCD_WriteData(0x0F);
LCD_WriteData(0x31);
LCD_WriteData(0x2B);
LCD_WriteData(0x0C);
LCD_WriteData(0x0E);
LCD_WriteData(0x08);
LCD_WriteData(0x4E);
LCD_WriteData(0xF1);
LCD_WriteData(0x37);
LCD_WriteData(0x07);
LCD_WriteData(0x10);
LCD_WriteData(0x03);
LCD_WriteData(0x0E);
LCD_WriteData(0x09);
LCD_WriteData(0x00);
LCD_WriteCommand(0xE1);
LCD_WriteData(0x00);
LCD_WriteData(0x0E);
LCD_WriteData(0x14);
LCD_WriteData(0x03);
LCD_WriteData(0x11);
LCD_WriteData(0x07);
LCD_WriteData(0x31);
LCD_WriteData(0xC1);
LCD_WriteData(0x48);
LCD_WriteData(0x08);
LCD_WriteData(0x0F);
LCD_WriteData(0x0C);
LCD_WriteData(0x31);
LCD_WriteData(0x36);
LCD_WriteData(0x0F);
LCD_WriteCommand(0x11);
TIMER_Delay(TIMER0, 60000);
LCD_WriteCommand(0x29); //Display on
ILI9341_LED = 1;
}
void LED_Init(void)
{
GPIO_SetMode(PB, BIT1, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT2, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT3, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT7, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT9, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT10, GPIO_MODE_OUTPUT);
GPIO_SetMode(PC, BIT11, GPIO_MODE_OUTPUT);
}
void LED_Light(uint32_t u32LED)
{
LED1 = u32LED;
u32LED = u32LED>>1;
LED2 = u32LED;
u32LED = u32LED>>1;
LED3 = u32LED;
u32LED = u32LED>>1;
LED4 = u32LED;
u32LED = u32LED>>1;
LED_R = u32LED;
u32LED = u32LED>>1;
LED_G = u32LED;
u32LED = u32LED>>1;
LED_B = u32LED;
u32LED = u32LED>>1;
}
void SYS_Init(void)
{
/*---------------------------------------------------------------------------------------------------------*/
/* Init System Clock */
/*---------------------------------------------------------------------------------------------------------*/
/* Unlock protected registers */
SYS_UnlockReg();
/* Enable External XTAL (4~24 MHz) */
CLK_EnableXtalRC(CLK_PWRCTL_HXTEN_Msk);
/* Waiting for 12MHz clock ready */
CLK_WaitClockReady( CLK_STATUS_HXTSTB_Msk);
/* Switch HCLK clock source to HXT */
CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_HXT,CLK_CLKDIV0_HCLK(1));
/* Set PLL to power down mode and PLL_STB bit in CLKSTATUS register will be cleared by hardware.*/
CLK->PLLCTL |= CLK_PLLCTL_PD_Msk;
/* Set PLL frequency */
CLK->PLLCTL = CLK_PLLCTL_72MHz_HXT;
/* Waiting for clock ready */
CLK_WaitClockReady(CLK_STATUS_PLLSTB_Msk);
/* Switch HCLK clock source to PLL */
CLK_SetHCLK(CLK_CLKSEL0_HCLKSEL_PLL,CLK_CLKDIV0_HCLK(1));
/* Enable IP clock */
CLK_EnableModuleClock(UART0_MODULE);
CLK_EnableModuleClock(TMR0_MODULE);
CLK_EnableModuleClock(SPI2_MODULE);
/* Select IP clock source */
CLK_SetModuleClock(UART0_MODULE, CLK_CLKSEL1_UARTSEL_HXT, CLK_CLKDIV0_UART(1));
CLK_SetModuleClock(TMR0_MODULE, CLK_CLKSEL1_TMR0SEL_HXT, 0);
CLK_SetModuleClock(SPI2_MODULE, CLK_CLKSEL2_SPI2SEL_PLL, 0);
/* Update System Core Clock */
/* User can use SystemCoreClockUpdate() to calculate SystemCoreClock. */
SystemCoreClockUpdate();
/*---------------------------------------------------------------------------------------------------------*/
/* Init I/O Multi-function */
/*---------------------------------------------------------------------------------------------------------*/
/* Set GPG multi-function pins for UART0 RXD and TXD */
SYS->GPD_MFPL = SYS_GPD_MFPL_PD6MFP_UART0_RXD | SYS_GPD_MFPL_PD1MFP_UART0_TXD ;
/* SPI2: GPD12=SS, GPD15=CLK, GPD14=MISO, GPD13=MOSI */
SYS->GPD_MFPH = SYS_GPD_MFPH_PD12MFP_SPI2_SS | SYS_GPD_MFPH_PD13MFP_SPI2_MOSI | SYS_GPD_MFPH_PD14MFP_SPI2_MISO | SYS_GPD_MFPH_PD15MFP_SPI2_CLK;
/* Lock protected registers */
SYS_LockReg();
}
int main(void)
{
uint32_t u32temp = 0;
/* Init System, IP clock and multi-function I/O */
SYS_Init();
LED_Init();
/* Init UART to 115200-8n1 for print message */
UART_Open(UART0, 115200);
/* Configure SPI3 as a master, MSB first, 8-bit transaction, SPI Mode-0 timing, clock is 4MHz */
SPI_Open(SPI2, SPI_MASTER, SPI_MODE_0, 8, 4000000);
/* Configure SPI1 as a low level active device. */
SPI_EnableAutoSS(SPI2, SPI_SS, SPI_SS_ACTIVE_LOW);
/* Start SPI */
SPI_ENABLE(SPI2);
/* Init LCD */
ILI9341_LCD_Init();
/* Setup display address */
ILI9341_LCD_SetAddress(0, 239, 0, 319);
/* Show the image on the screen */
ILI9341_LCD_DisplayOnScreen();
while(1)
{
CLK_SysTickDelay(200000);
LED_Light(u32temp++);
if(PA8 == 0)
ILI9341_LCD_PutString(50,60,"Hello World!",Red,Yellow);
if(PD2 == 0)
ILI9341_LCD_PutString(50,60,"I Love You!",Red,Yellow);
}
}
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