本帖最后由 FSL_TICS_A 于 2014-9-15 11:51 编辑
程序运行, 得到的DeviceCode为6783 求有经验的给点建议
- int main(void)
- {
- DelayInit();
- LCD_Init();
- while(1);
- }
- #include "ili9325.h"
- #include "gpio.h"
- uint16_t DeviceCode;
- //PTB0~8 DB0~8 **** PTA8~15 DB8~15
- void DataToIO(uint16_t val)
- {
- uint16_t dat=0;
- dat = GPIO_ReadPort(HW_GPIOB); // DBL
- dat = (dat&0xFF00) | (val&0x00FF);
- GPIO_WritePort(HW_GPIOB, dat);
-
- dat = GPIO_ReadPort(HW_GPIOA); // DBH
- dat = (dat&0xFF00) | ((val>>8)&0x00FF);
- GPIO_WritePort(HW_GPIOA, dat);
- }
- void LCD_WR_DATA(uint16_t data)
- {
- LCD_RS_SET;
- LCD_CS_CLR;
- DataToIO(data);
- LCD_WR_CLR;
- LCD_WR_SET;
- LCD_CS_SET;
- }
- void LCD_WR_REG(uint16_t data)
- {
- LCD_RS_CLR;
- LCD_CS_CLR;
- DataToIO(data);
- LCD_WR_CLR;
- LCD_WR_SET;
- LCD_CS_SET;
- }
- void LCD_WriteReg(uint16_t LCD_Reg, uint16_t LCD_RegValue)
- {
- LCD_WR_REG(LCD_Reg);
- LCD_WR_DATA(LCD_RegValue);
- }
- uint16_t LCD_ReadReg(uint16_t LCD_Reg)
- {
- uint16_t t,i,datH,datL;
- LCD_WR_REG(LCD_Reg);
- for(i=0;i<7;i++)
- {
- GPIO_QuickInit(HW_GPIOB,i,kGPIO_Mode_IPU);
- }
- for(i=8;i<16;i++)
- {
- GPIO_QuickInit(HW_GPIOA,i,kGPIO_Mode_IPU);
- }
- PTA->PDOR=0XFFFF;
- PTB->PDOR=0XFFFF;
-
- LCD_RS_SET;
- LCD_CS_CLR;
- LCD_RD_CLR;
- DelayUs(5);
-
- datH = PTA->PDIR; /**< Port Data Input Register, offset: 0x10 */
- datL = PTB->PDIR; /**< Port Data Input Register, offset: 0x10 */
-
- LCD_CS_SET;
- for(i=0;i<7;i++)
- {
- GPIO_QuickInit(HW_GPIOB,i,kGPIO_Mode_OPP);
- }
- for(i=8;i<16;i++)
- {
- GPIO_QuickInit(HW_GPIOA,i,kGPIO_Mode_OPP);
- }
- DataToIO(0XFFFF);
- t = ((datH<<8)&0xFF00) | (datL&0x00FF);
- return t;
- }
- void LCD_Init(void)
- {
- uint8_t i;
- for(i=4;i<10;i++)
- {
- GPIO_QuickInit(HW_GPIOD,i,kGPIO_Mode_OPP);
- }
- LCD_CS_SET;
- LCD_RD_SET;
- LCD_WR_SET;
- DelayMs(50); // delay 50 ms
- LCD_WriteReg(0x0000,0x0001);
- DelayMs(50); // delay 50 ms
- LCD_RD_SET;
- LCD_WR_SET;
-
- DeviceCode = LCD_ReadReg(0x0000);
- DelayMs(20);
- LCD_LED_SET;
- }
- #define LCD_LED_SET PDout(9)=1
- #define LCD_LED_CLR PDout(9)=0
- #define LCD_CS_SET PDout(8)=1
- #define LCD_RS_SET PDout(5)=1
- #define LCD_WR_SET PDout(6)=1
- #define LCD_RD_SET PDout(7)=1
- #define LCD_RST_SET PDout(4)=1
- #define LCD_CS_CLR PDout(8)=0
- #define LCD_RS_CLR PDout(5)=0
- #define LCD_WR_CLR PDout(6)=0
- #define LCD_RD_CLR PDout(7)=0
- #define LCD_RST_CLR PDout(4)=0
- void DataToIO(uint16_t val);
- void LCD_Init(void);
- void LCD_WR_DATA(uint16_t data);
- void LCD_WR_REG(uint16_t data);
- void LCD_WriteReg(uint16_t LCD_Reg, uint16_t LCD_RegValue);
- uint16_t LCD_ReadReg(uint16_t LCD_Reg);
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