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ili_lcd_general.c
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ili_lcd_general.c
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#include "ili_lcd_general.h"
// Compatible list:
// ili9320 ili9325 ili9328
// LG4531
//内联函数定义,用以提高性能
#ifdef __CC_ARM /* ARM Compiler */
#define lcd_inline static __inline
#elif defined (__ICCARM__) /* for IAR Compiler */
#define lcd_inline inline
#elif defined (__GNUC__) /* GNU GCC Compiler */
#define lcd_inline static __inline
#else
#define lcd_inline static
#endif
#define rw_data_prepare() write_cmd(34)
/********* control ***********/
#include "stm32f10x.h"
#include "board.h"
//输出重定向.当不进行重定向时.
#define printf rt_kprintf //使用rt_kprintf来输出
//#define printf(...) //无输出
/* LCD is connected to the FSMC_Bank1_NOR/SRAM2 and NE2 is used as ship select signal */
/* RS <==> A2 */
#define LCD_REG (*((volatile unsigned short *) 0x64000000)) /* RS = 0 */
#define LCD_RAM (*((volatile unsigned short *) 0x64000008)) /* RS = 1 */
static void LCD_FSMCConfig(void)
{
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure;
FSMC_NORSRAMTimingInitTypeDef Timing_read,Timing_write;
/* FSMC GPIO configure */
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE | RCC_APB2Periph_GPIOF
| RCC_APB2Periph_GPIOG, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
/*
FSMC_D0 ~ FSMC_D3
PD14 FSMC_D0 PD15 FSMC_D1 PD0 FSMC_D2 PD1 FSMC_D3
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/*
FSMC_D4 ~ FSMC_D12
PE7 ~ PE15 FSMC_D4 ~ FSMC_D12
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10
| GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOE,&GPIO_InitStructure);
/* FSMC_D13 ~ FSMC_D15 PD8 ~ PD10 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/*
FSMC_A0 ~ FSMC_A5 FSMC_A6 ~ FSMC_A9
PF0 ~ PF5 PF12 ~ PF15
*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3
| GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOF,&GPIO_InitStructure);
/* FSMC_A10 ~ FSMC_A15 PG0 ~ PG5 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* FSMC_A16 ~ FSMC_A18 PD11 ~ PD13 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* RD-PD4 WR-PD5 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* NBL0-PE0 NBL1-PE1 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
GPIO_Init(GPIOE,&GPIO_InitStructure);
/* NE1/NCE2 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOD,&GPIO_InitStructure);
/* NE2 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* NE3 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOG,&GPIO_InitStructure);
/* NE4 */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
GPIO_Init(GPIOG,&GPIO_InitStructure);
}
/* FSMC GPIO configure */
/*-- FSMC Configuration -------------------------------------------------*/
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &Timing_read;
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &Timing_write;
FSMC_NORSRAMStructInit(&FSMC_NORSRAMInitStructure);
Timing_read.FSMC_AddressSetupTime = 3; /* 地址建立时间 */
Timing_read.FSMC_DataSetupTime = 4; /* 数据建立时间 */
Timing_read.FSMC_AccessMode = FSMC_AccessMode_A; /* FSMC 访问模式 */
Timing_write.FSMC_AddressSetupTime = 2; /* 地址建立时间 */
Timing_write.FSMC_DataSetupTime = 3; /* 数据建立时间 */
Timing_write.FSMC_AccessMode = FSMC_AccessMode_A; /* FSMC 访问模式 */
/* Color LCD configuration ------------------------------------
LCD configured as follow:
- Data/Address MUX = Disable
- Memory Type = SRAM
- Data Width = 16bit
- Write Operation = Enable
- Extended Mode = Enable
- Asynchronous Wait = Disable */
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM2;
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM;
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable;
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM2, ENABLE);
}
static void delay(int cnt)
{
volatile unsigned int dl;
while(cnt--)
{
for(dl=0; dl<500; dl++);
}
}
static void lcd_port_init(void)
{
LCD_FSMCConfig();
}
lcd_inline void write_cmd(unsigned short cmd)
{
LCD_REG = cmd;
}
lcd_inline unsigned short read_data(void)
{
return LCD_RAM;
}
lcd_inline void write_data(unsigned short data_code )
{
LCD_RAM = data_code;
}
lcd_inline void write_reg(unsigned char reg_addr,unsigned short reg_val)
{
write_cmd(reg_addr);
write_data(reg_val);
}
lcd_inline unsigned short read_reg(unsigned char reg_addr)
{
unsigned short val=0;
write_cmd(reg_addr);
val = read_data();
return (val);
}
/********* control <只移植以上函数即可> ***********/
static unsigned short deviceid=0;//设置一个静态变量用来保存LCD的ID
//返回LCD的ID
unsigned int lcd_getdeviceid(void)
{
return deviceid;
}
static unsigned short BGR2RGB(unsigned short c)
{
u16 r, g, b, rgb;
b = (c>>0) & 0x1f;
g = (c>>5) & 0x3f;
r = (c>>11) & 0x1f;
rgb = (b<<11) + (g<<5) + (r<<0);
return( rgb );
}
static void lcd_SetCursor(unsigned int x,unsigned int y)
{
write_reg(32,x); /* 0-239 */
write_reg(33,y); /* 0-319 */
}
/* 读取指定地址的GRAM */
static unsigned short lcd_read_gram(unsigned int x,unsigned int y)
{
unsigned short temp;
lcd_SetCursor(x,y);
rw_data_prepare();
/* dummy read */
temp = read_data();
temp = read_data();
return temp;
}
static void lcd_clear(unsigned short Color)
{
unsigned int index=0;
lcd_SetCursor(0,0);
rw_data_prepare(); /* Prepare to write GRAM */
for (index=0; index<(LCD_WIDTH*LCD_HEIGHT); index++)
{
write_data(Color);
}
}
static void lcd_data_bus_test(void)
{
unsigned short temp1;
unsigned short temp2;
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0003,(1<<12)|(1<<5)|(1<<4) | (0<<3) );
/* wirte */
lcd_SetCursor(0,0);
rw_data_prepare();
write_data(0x5555);
write_data(0xAAAA);
/* read */
lcd_SetCursor(0,0);
if (
(deviceid ==0x9325)
|| (deviceid ==0x9328)
|| (deviceid ==0x9320)
)
{
temp1 = BGR2RGB( lcd_read_gram(0,0) );
temp2 = BGR2RGB( lcd_read_gram(1,0) );
}
else if( deviceid ==0x4531 )
{
temp1 = lcd_read_gram(0,0);
temp2 = lcd_read_gram(1,0);
}
if( (temp1 == 0x5555) && (temp2 == 0xAAAA) )
{
printf(" data bus test pass!");
}
else
{
printf(" data bus test error: %04X %04X",temp1,temp2);
}
}
void lcd_Initializtion(void)
{
lcd_port_init();
deviceid = read_reg(0x00);
/* deviceid check */
if(
(deviceid != 0x4531)
&& (deviceid != 0x7783)
&& (deviceid != 0x9320)
&& (deviceid != 0x9325)
&& (deviceid != 0x9328)
&& (deviceid != 0x9300)
)
{
printf("Invalid LCD ID:%08X\r\n",deviceid);
printf("Please check you hardware and configure.");
//while(1);
return ;
}
else
{
printf("\r\nLCD Device ID : %04X ",deviceid);
}
if (deviceid==0x9325|| deviceid==0x9328)
{
write_reg(0x00e7,0x0010);
write_reg(0x0000,0x0001); //start internal osc
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x0001,0x0000); //Reverse Display
#else
write_reg(0x0001,0x0100); //
#endif
write_reg(0x0002,0x0700); //power on sequence
/* [5:4]-ID1~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0003,(1<<12)|(1<<5)|(0<<4) | (1<<3) );
write_reg(0x0004,0x0000);
write_reg(0x0008,0x0207);
write_reg(0x0009,0x0000);
write_reg(0x000a,0x0000); //display setting
write_reg(0x000c,0x0001); //display setting
write_reg(0x000d,0x0000); //0f3c
write_reg(0x000f,0x0000);
//Power On sequence //
write_reg(0x0010,0x0000);
write_reg(0x0011,0x0007);
write_reg(0x0012,0x0000);
write_reg(0x0013,0x0000);
delay(15);
write_reg(0x0010,0x1590);
write_reg(0x0011,0x0227);
delay(15);
write_reg(0x0012,0x009c);
delay(15);
write_reg(0x0013,0x1900);
write_reg(0x0029,0x0023);
write_reg(0x002b,0x000e);
delay(15);
write_reg(0x0020,0x0000);
write_reg(0x0021,0x0000);
delay(15);
write_reg(0x0030,0x0007);
write_reg(0x0031,0x0707);
write_reg(0x0032,0x0006);
write_reg(0x0035,0x0704);
write_reg(0x0036,0x1f04);
write_reg(0x0037,0x0004);
write_reg(0x0038,0x0000);
write_reg(0x0039,0x0706);
write_reg(0x003c,0x0701);
write_reg(0x003d,0x000f);
delay(15);
write_reg(0x0050,0x0000);
write_reg(0x0051,0x00ef);
write_reg(0x0052,0x0000);
write_reg(0x0053,0x013f);
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x0060,0x2700);
#else
write_reg(0x0060,0xA700);
#endif
write_reg(0x0061,0x0001);
write_reg(0x006a,0x0000);
write_reg(0x0080,0x0000);
write_reg(0x0081,0x0000);
write_reg(0x0082,0x0000);
write_reg(0x0083,0x0000);
write_reg(0x0084,0x0000);
write_reg(0x0085,0x0000);
write_reg(0x0090,0x0010);
write_reg(0x0092,0x0000);
write_reg(0x0093,0x0003);
write_reg(0x0095,0x0110);
write_reg(0x0097,0x0000);
write_reg(0x0098,0x0000);
//display on sequence
write_reg(0x0007,0x0133);
write_reg(0x0020,0x0000);
write_reg(0x0021,0x0000);
}
else if( deviceid==0x9320|| deviceid==0x9300)
{
write_reg(0x00,0x0000);
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x0001,0x0100); //Reverse Display
#else
write_reg(0x0001,0x0000); // Driver Output Contral.
#endif
write_reg(0x02,0x0700); //LCD Driver Waveform Contral.
// write_reg(0x03,0x1030); //Entry Mode Set.
write_reg(0x03,0x1018); //Entry Mode Set.
write_reg(0x04,0x0000); //Scalling Contral.
write_reg(0x08,0x0202); //Display Contral 2.(0x0207)
write_reg(0x09,0x0000); //Display Contral 3.(0x0000)
write_reg(0x0a,0x0000); //Frame Cycle Contal.(0x0000)
write_reg(0x0c,(1<<0)); //Extern Display Interface Contral 1.(0x0000)
write_reg(0x0d,0x0000); //Frame Maker Position.
write_reg(0x0f,0x0000); //Extern Display Interface Contral 2.
delay(15);
write_reg(0x07,0x0101); //Display Contral.
delay(15);
write_reg(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); //Power Control 1.(0x16b0)
write_reg(0x11,0x0007); //Power Control 2.(0x0001)
write_reg(0x12,(1<<8)|(1<<4)|(0<<0)); //Power Control 3.(0x0138)
write_reg(0x13,0x0b00); //Power Control 4.
write_reg(0x29,0x0000); //Power Control 7.
write_reg(0x2b,(1<<14)|(1<<4));
write_reg(0x50,0); //Set X Start.
write_reg(0x51,239); //Set X End.
write_reg(0x52,0); //Set Y Start.
write_reg(0x53,319); //Set Y End.
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x0060,0x2700); //Driver Output Control.
#else
write_reg(0x0060,0xA700);
#endif
write_reg(0x61,0x0001); //Driver Output Control.
write_reg(0x6a,0x0000); //Vertical Srcoll Control.
write_reg(0x80,0x0000); //Display Position? Partial Display 1.
write_reg(0x81,0x0000); //RAM Address Start? Partial Display 1.
write_reg(0x82,0x0000); //RAM Address End-Partial Display 1.
write_reg(0x83,0x0000); //Displsy Position? Partial Display 2.
write_reg(0x84,0x0000); //RAM Address Start? Partial Display 2.
write_reg(0x85,0x0000); //RAM Address End? Partial Display 2.
write_reg(0x90,(0<<7)|(16<<0)); //Frame Cycle Contral.(0x0013)
write_reg(0x92,0x0000); //Panel Interface Contral 2.(0x0000)
write_reg(0x93,0x0001); //Panel Interface Contral 3.
write_reg(0x95,0x0110); //Frame Cycle Contral.(0x0110)
write_reg(0x97,(0<<8)); //
write_reg(0x98,0x0000); //Frame Cycle Contral.
write_reg(0x07,0x0173); //(0x0173)
}
else if( deviceid==0x4531 )
{
// Setup display
write_reg(0x00,0x0001);
write_reg(0x10,0x0628);
write_reg(0x12,0x0006);
write_reg(0x13,0x0A32);
write_reg(0x11,0x0040);
write_reg(0x15,0x0050);
write_reg(0x12,0x0016);
delay(15);
write_reg(0x10,0x5660);
delay(15);
write_reg(0x13,0x2A4E);
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x01,0x0100);
#else
write_reg(0x01,0x0000);
#endif
write_reg(0x02,0x0300);
write_reg(0x03,0x1030);
// write_reg(0x03,0x1038);
write_reg(0x08,0x0202);
write_reg(0x0A,0x0000);
write_reg(0x30,0x0000);
write_reg(0x31,0x0402);
write_reg(0x32,0x0106);
write_reg(0x33,0x0700);
write_reg(0x34,0x0104);
write_reg(0x35,0x0301);
write_reg(0x36,0x0707);
write_reg(0x37,0x0305);
write_reg(0x38,0x0208);
write_reg(0x39,0x0F0B);
delay(15);
write_reg(0x41,0x0002);
#if defined(_ILI_REVERSE_DIRECTION_)
write_reg(0x0060,0x2700);
#else
write_reg(0x0060,0xA700);
#endif
write_reg(0x61,0x0001);
write_reg(0x90,0x0119);
write_reg(0x92,0x010A);
write_reg(0x93,0x0004);
write_reg(0xA0,0x0100);
// write_reg(0x07,0x0001);
delay(15);
// write_reg(0x07,0x0021);
delay(15);
// write_reg(0x07,0x0023);
delay(15);
// write_reg(0x07,0x0033);
delay(15);
write_reg(0x07,0x0133);
delay(15);
write_reg(0xA0,0x0000);
delay(20);
}
else if( deviceid ==0x7783)
{
// Start Initial Sequence
write_reg(0x00FF,0x0001);
write_reg(0x00F3,0x0008);
write_reg(0x0001,0x0100);
write_reg(0x0002,0x0700);
write_reg(0x0003,0x1030); //0x1030
write_reg(0x0008,0x0302);
write_reg(0x0008,0x0207);
write_reg(0x0009,0x0000);
write_reg(0x000A,0x0000);
write_reg(0x0010,0x0000); //0x0790
write_reg(0x0011,0x0005);
write_reg(0x0012,0x0000);
write_reg(0x0013,0x0000);
delay(20);
write_reg(0x0010,0x12B0);
delay(20);
write_reg(0x0011,0x0007);
delay(20);
write_reg(0x0012,0x008B);
delay(20);
write_reg(0x0013,0x1700);
delay(20);
write_reg(0x0029,0x0022);
//################# void Gamma_Set(void) ####################//
write_reg(0x0030,0x0000);
write_reg(0x0031,0x0707);
write_reg(0x0032,0x0505);
write_reg(0x0035,0x0107);
write_reg(0x0036,0x0008);
write_reg(0x0037,0x0000);
write_reg(0x0038,0x0202);
write_reg(0x0039,0x0106);
write_reg(0x003C,0x0202);
write_reg(0x003D,0x0408);
delay(20);
write_reg(0x0050,0x0000);
write_reg(0x0051,0x00EF);
write_reg(0x0052,0x0000);
write_reg(0x0053,0x013F);
write_reg(0x0060,0xA700);
write_reg(0x0061,0x0001);
write_reg(0x0090,0x0033);
write_reg(0x002B,0x000B);
write_reg(0x0007,0x0133);
delay(20);
}
//数据总线测试,用于测试硬件连接是否正常.
lcd_data_bus_test();
//清屏
lcd_clear( Blue );
}
/* 设置像素点 颜色,X,Y */
void rt_hw_lcd_set_pixel(const char* pixel, int x, int y)
{
lcd_SetCursor(x,y);
rw_data_prepare();
write_data(*(rt_uint16_t*)pixel);
}
/* 获取像素点颜色 */
void rt_hw_lcd_get_pixel(char* pixel, int x, int y)
{
*(rt_uint16_t*)pixel = BGR2RGB( lcd_read_gram(x,y) );
}
/* 画水平线 */
void rt_hw_lcd_draw_hline(const char* pixel, int x1, int x2, int y)
{
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0003,(1<<12)|(1<<5)|(1<<4) | (0<<3) );
lcd_SetCursor(x1, y);
rw_data_prepare(); /* Prepare to write GRAM */
while (x1 < x2)
{
write_data( *(rt_uint16_t*)pixel );
x1++;
}
}
/* 垂直线 */
void rt_hw_lcd_draw_vline(const char* pixel, int x, int y1, int y2)
{
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0003,(1<<12)|(1<<5)|(0<<4) | (1<<3) );
lcd_SetCursor(x, y1);
rw_data_prepare(); /* Prepare to write GRAM */
while (y1 < y2)
{
write_data( *(rt_uint16_t*)pixel );
y1++;
}
}
/* ?? */
void rt_hw_lcd_draw_blit_line(const char* pixels, int x, int y, rt_size_t size)
{
rt_uint16_t *ptr;
ptr = (rt_uint16_t*)pixels;
/* [5:4]-ID~ID0 [3]-AM-1垂直-0水平 */
write_reg(0x0003,(1<<12)|(1<<5)|(1<<4) | (0<<3) );
lcd_SetCursor(x, y);
rw_data_prepare(); /* Prepare to write GRAM */
while (size)
{
write_data(*ptr ++);
size --;
}
}
struct rt_device_graphic_ops lcd_ili_ops =
{
rt_hw_lcd_set_pixel,
rt_hw_lcd_get_pixel,
rt_hw_lcd_draw_hline,
rt_hw_lcd_draw_vline,
rt_hw_lcd_draw_blit_line
};
struct rt_device _lcd_device;
static rt_err_t lcd_init(rt_device_t dev)
{
return RT_EOK;
}
static rt_err_t lcd_open(rt_device_t dev, rt_uint16_t oflag)
{
return RT_EOK;
}
static rt_err_t lcd_close(rt_device_t dev)
{
return RT_EOK;
}
static rt_err_t lcd_control(rt_device_t dev, rt_uint8_t cmd, void *args)
{
switch (cmd)
{
case RTGRAPHIC_CTRL_GET_INFO:
{
struct rt_device_graphic_info *info;
info = (struct rt_device_graphic_info*) args;
RT_ASSERT(info != RT_NULL);
info->bits_per_pixel = 16;
info->pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565P;
info->framebuffer = RT_NULL;
info->width = 240;
info->height = 320;
}
break;
case RTGRAPHIC_CTRL_RECT_UPDATE:
/* nothong to be done */
break;
default:
break;
}
return RT_EOK;
}
void rt_hw_lcd_init(void)
{
/* LCD RESET */
/* PF10 : LCD RESET */
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOF,&GPIO_InitStructure);
GPIO_ResetBits(GPIOF,GPIO_Pin_10);
GPIO_SetBits(GPIOF,GPIO_Pin_10);
/* wait for lcd reset */
rt_thread_delay(1);
}
/* register lcd device */
_lcd_device.type = RT_Device_Class_Graphic;
_lcd_device.init = lcd_init;
_lcd_device.open = lcd_open;
_lcd_device.close = lcd_close;
_lcd_device.control = lcd_control;
_lcd_device.read = RT_NULL;
_lcd_device.write = RT_NULL;
_lcd_device.user_data = &lcd_ili_ops;
lcd_Initializtion();
/* register graphic device driver */
rt_device_register(&_lcd_device, "lcd",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
}