cc99keil
Why do I get this warning?
I'm trying to write this program:
#include "stm32f10x.h"
#include "ILI9325.h"
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : main
* Description : Main Program
* Input : None
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
int main(void)
{
uint8_t b,c;
Lcd_Configuration();
Lcd_Initialize();
Lcd_Clear(0xffff);
Lcd_Clear(0x0000);
Lcd_Clear(0xff00);
for ( b = 0 ; b < 200 ; b++ )
{
for ( c = 0 ; c < 200 ; c++ )
{
DrawPixel( b , c , 0xffff );
}
}
/* Infinite loop */
while (1)
{
}
}
But I get this warning(yellow title):
implicit declaration of function "DrawPixel"
as in the below snapshot
I have seen a lot question about this warning and I think everythings are ok but still I get this warning.
ILI9325.h file :
#ifndef __ILI9325_H
#define __ILI9325_H
// ILI9320 or ILI9325
#define ILI9325
#define ID_AM 110
extern u16 q;
//#define Delay //Display Delay//Immediately
#define Set_Cs GPIO_SetBits(GPIOC,GPIO_Pin_8);
#define Clr_Cs GPIO_ResetBits(GPIOC,GPIO_Pin_8);
#define Set_Rs GPIO_SetBits(GPIOC,GPIO_Pin_9);
#define Clr_Rs GPIO_ResetBits(GPIOC,GPIO_Pin_9);
#define Set_nWr GPIO_SetBits(GPIOC,GPIO_Pin_10);
#define Clr_nWr GPIO_ResetBits(GPIOC,GPIO_Pin_10);
#define Set_nRd GPIO_SetBits(GPIOC,GPIO_Pin_11);
#define Clr_nRd GPIO_ResetBits(GPIOC,GPIO_Pin_11);
#define Set_Rst GPIO_SetBits(GPIOC,GPIO_Pin_12);
#define Clr_Rst GPIO_ResetBits(GPIOC,GPIO_Pin_12);
#define Lcd_Light_ON GPIO_SetBits(GPIOC,GPIO_Pin_13);
#define Lcd_Light_OFF GPIO_ResetBits(GPIOC,GPIO_Pin_13);
typedef union
{
u16 U16;
u8 U8[2];
}ColorTypeDef;
void Lcd_Configuration(void);
void DataToWrite(u16 data);
void LCD_WR_REG(u16 Index,u16 CongfigTemp);
void Lcd_Initialize(void);
void Lcd_WR_Start(void);
void Lcd_SetCursor(u8 x,u16 y);
void Lcd_Clear(u16 Color);
void Lcd_ClearCharBox(u8 x,u16 y,u16 Color);
void Lcd_SetBox(u8 xStart,u16 yStart,u8 xLong,u16 yLong,u16 x_offset,u16 y_offset);
void Lcd_ColorBox(u8 x,u16 y,u8 xLong,u16 yLong,u16 Color);
void Delay_nms(int n);
//u16 Read9325(void);
#define logo 0x51000
#define key24048 0x4a000
#define key8048 0x48000
#define key2480 0x77000
#define key2448 0x78000
#define BatteryHight 0x79000
#define BatteryMiddle 0x7a000
#define BatteryLow 0x7b000
#define BatteryTooLow 0x7c000
#define key24032 0x80000
#define PowOffkey24048 0x84000
#define ASCII_Offset 0x47000
#define Chinese_Offset 0x1000
#endif
And ILI9325.c file:
void Lcd_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = 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_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin =GPIO_Pin_13;
GPIO_Init(GPIOC, &GPIO_InitStructure);
}
void DataToWrite(u16 data)
{
u16 temp;
temp = GPIO_ReadOutputData(GPIOB);
GPIO_Write(GPIOB, (data<<8)|(temp&0x00ff));
temp = GPIO_ReadOutputData(GPIOC);
GPIO_Write(GPIOC, (data>>8)|(temp&0xff00));
}
void LCD_WR_REG(u16 Index,u16 CongfigTemp)
{
Clr_Cs;
Clr_Rs;
Set_nRd;
DataToWrite(Index);
Clr_nWr;
Set_nWr;
Set_Rs;
DataToWrite(CongfigTemp);
Clr_nWr;
Set_nWr;
Set_Cs;
}
u16 CheckController(void)
{
u16 tmp=0,tmp1=0,tmp2=0;
GPIO_InitTypeDef GPIO_InitStructure;
DataToWrite(0xffff);
Set_Rst;
Set_nWr;
Set_Cs;
Set_Rs;
Set_nRd;
Set_Rst;
Delay_nms(1);
Clr_Rst;
Delay_nms(1);
Set_Rst;
Delay_nms(1);
LCD_WR_REG(0x0000,0x0001); //start oscillation
Delay_nms(1);
GPIO_InitStructure.GPIO_Pin = 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_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_ResetBits(GPIOC,GPIO_Pin_8);
GPIO_SetBits(GPIOC,GPIO_Pin_9);
GPIO_ResetBits(GPIOC,GPIO_Pin_11);
tmp1 = GPIO_ReadInputData(GPIOB);
tmp2 = GPIO_ReadInputData(GPIOC);
tmp = (tmp1>>8) | (tmp2<<8);
GPIO_SetBits(GPIOC,GPIO_Pin_11);
GPIO_SetBits(GPIOC,GPIO_Pin_8);
GPIO_InitStructure.GPIO_Pin = 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_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_2|GPIO_Pin_3|GPIO_Pin_4|GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7;
GPIO_Init(GPIOC, &GPIO_InitStructure);
return tmp;
}
void Lcd_Initialize(void)
{
u16 i;
Lcd_Light_ON;
DataToWrite(0xffff);
Set_Rst;
Set_nWr;
Set_Cs;
Set_Rs;
Set_nRd;
Set_Rst;
Delay_nms(1);
Clr_Rst;
Delay_nms(1);
Set_Rst;
Delay_nms(1);
/*
#ifdef ILI9325
LCD_WR_REG(0x00e3,0x3008);
LCD_WR_REG(0x00e7,0x0010);
LCD_WR_REG(0x00ef,0x1231); //Set the internal vcore voltage
LCD_WR_REG(0x0001,0x0100); //When SS = 0, the shift direction of outputs is from S1 to S720
#endif //When SS = 1, the shift direction of outputs is from S720 to S1.
#ifdef ILI9320
LCD_WR_REG(0x00e5,0x8000);
LCD_WR_REG(0x0000,0x0001);
LCD_WR_REG(0x0001,0x0100);//S
Delay_nms(10);
#endif
LCD_WR_REG(0x0002,0x0700);//Line inversion
#if ID_AM==000
LCD_WR_REG(0x0003,0x0000);
#elif ID_AM==001
LCD_WR_REG(0x0003,0x0008);
#elif ID_AM==010
LCD_WR_REG(0x0003,0x0010);
#elif ID_AM==011
LCD_WR_REG(0x0003,0x0018);
#elif ID_AM==100
LCD_WR_REG(0x0003,0x0020);
#elif ID_AM==101
LCD_WR_REG(0x0003,0x0028);
#elif ID_AM==110
LCD_WR_REG(0x0003,0x0030);
#elif ID_AM==111
LCD_WR_REG(0x0003,0x0038);
#endif
LCD_WR_REG(0x0004,0x0000);
LCD_WR_REG(0x0008,0x0207);
LCD_WR_REG(0x0009,0x0000);
LCD_WR_REG(0x000a,0x0000);
LCD_WR_REG(0x000c,0x0001);
LCD_WR_REG(0x000d,0x0000);
LCD_WR_REG(0x000f,0x0000);
LCD_WR_REG(0x0010,0x0000);
LCD_WR_REG(0x0011,0x0000);
LCD_WR_REG(0x0012,0x0000);
LCD_WR_REG(0x0013,0x0000);
Delay_nms(200);
LCD_WR_REG(0x0010,0x17b0);
LCD_WR_REG(0x0011,0x0137);
Delay_nms(50);
LCD_WR_REG(0x0012,0x0139);
Delay_nms(50);
LCD_WR_REG(0x0013,0x1700);
LCD_WR_REG(0x0029,0x0000);
LCD_WR_REG(0x002b,0x0000);
Delay_nms(50);
#if ID_AM==000
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==001
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==010
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==011
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x013f);
#elif ID_AM==100
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==101
LCD_WR_REG(0x0020,0x00ef);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==110
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#elif ID_AM==111
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
#endif
LCD_WR_REG(0x0030,0x0000);
LCD_WR_REG(0x0031,0x0507);
LCD_WR_REG(0x0032,0x0104);
LCD_WR_REG(0x0035,0x0105);
LCD_WR_REG(0x0036,0x0404);
LCD_WR_REG(0x0037,0x0603);
LCD_WR_REG(0x0038,0x0004);
LCD_WR_REG(0x0039,0x0007);
LCD_WR_REG(0x003c,0x0501);
LCD_WR_REG(0x003d,0x0404);
LCD_WR_REG(0x0050,0x0000);
LCD_WR_REG(0x0051,0x00ef);
LCD_WR_REG(0x0052,0x0000);
LCD_WR_REG(0x0053,0x013f);
#ifdef ILI9325
LCD_WR_REG(0x0060,0xa700);//G
#endif
#ifdef ILI9320
LCD_WR_REG(0x0060,0x2700);//G
#endif
LCD_WR_REG(0x0061,0x0001);//Enables the grayscale inversion of the image by setting REV=1.??????????????????????????????
LCD_WR_REG(0x006a,0x0000);
LCD_WR_REG(0x0080,0x0000);
LCD_WR_REG(0x0081,0x0000);
LCD_WR_REG(0x0082,0x0000);
LCD_WR_REG(0x0083,0x0000);
LCD_WR_REG(0x0084,0x0000);
LCD_WR_REG(0x0085,0x0000);
LCD_WR_REG(0x0090,0x0010);
LCD_WR_REG(0x0092,0x0000);
LCD_WR_REG(0x0093,0x0003);
LCD_WR_REG(0x0095,0x0110);
LCD_WR_REG(0x0097,0x0000);
LCD_WR_REG(0x0098,0x0000);
LCD_WR_REG(0x0007,0x0130);
#ifdef Immediately
LCD_WR_REG(0x0007,0x0173);
#endif
*/
i = CheckController();
q=i;
if(i==0x9325||i==0x9328)
{
LCD_WR_REG(0x00e7,0x0010);
LCD_WR_REG(0x0000,0x0001); //start internal osc
LCD_WR_REG(0x0001,0x0100);
LCD_WR_REG(0x0002,0x0700); //power on sequence
LCD_WR_REG(0x0003,(1<<12)|(1<<5)|(1<<4) ); //65K
LCD_WR_REG(0x0004,0x0000);
LCD_WR_REG(0x0008,0x0207);
LCD_WR_REG(0x0009,0x0000);
LCD_WR_REG(0x000a,0x0000); //display setting
LCD_WR_REG(0x000c,0x0001); //display setting
LCD_WR_REG(0x000d,0x0000); //0f3c
LCD_WR_REG(0x000f,0x0000);
LCD_WR_REG(0x0010,0x0000);
LCD_WR_REG(0x0011,0x0007);
LCD_WR_REG(0x0012,0x0000);
LCD_WR_REG(0x0013,0x0000);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0010,0x1590);
LCD_WR_REG(0x0011,0x0227);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0012,0x009c);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0013,0x1900);
LCD_WR_REG(0x0029,0x0023);
LCD_WR_REG(0x002b,0x000e);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0030,0x0007);
LCD_WR_REG(0x0031,0x0707);
LCD_WR_REG(0x0032,0x0006);
LCD_WR_REG(0x0035,0x0704);
LCD_WR_REG(0x0036,0x1f04);
LCD_WR_REG(0x0037,0x0004);
LCD_WR_REG(0x0038,0x0000);
LCD_WR_REG(0x0039,0x0706);
LCD_WR_REG(0x003c,0x0701);
LCD_WR_REG(0x003d,0x000f);
for(i=50000;i>0;i--);
LCD_WR_REG(0x0050,0x0000);
LCD_WR_REG(0x0051,0x00ef);
LCD_WR_REG(0x0052,0x0000);
LCD_WR_REG(0x0053,0x013f);
LCD_WR_REG(0x0060,0xa700);
LCD_WR_REG(0x0061,0x0001);
LCD_WR_REG(0x006a,0x0000);
LCD_WR_REG(0x0080,0x0000);
LCD_WR_REG(0x0081,0x0000);
LCD_WR_REG(0x0082,0x0000);
LCD_WR_REG(0x0083,0x0000);
LCD_WR_REG(0x0084,0x0000);
LCD_WR_REG(0x0085,0x0000);
LCD_WR_REG(0x0090,0x0010);
LCD_WR_REG(0x0092,0x0000);
LCD_WR_REG(0x0093,0x0003);
LCD_WR_REG(0x0095,0x0110);
LCD_WR_REG(0x0097,0x0000);
LCD_WR_REG(0x0098,0x0000);
//display on sequence
LCD_WR_REG(0x0007,0x0133);
LCD_WR_REG(0x0020,0x0000);
LCD_WR_REG(0x0021,0x0000);
}
else if(i==0x9320)
{
LCD_WR_REG(0x00,0x0000);
LCD_WR_REG(0x01,0x0100); //Driver Output Contral.
LCD_WR_REG(0x02,0x0700); //LCD Driver Waveform Contral.
LCD_WR_REG(0x03,0x1030); //Entry Mode Set.
LCD_WR_REG(0x04,0x0000); //Scalling Contral.
LCD_WR_REG(0x08,0x0202); //Display Contral 2.(0x0207)
LCD_WR_REG(0x09,0x0000); //Display Contral 3.(0x0000)
LCD_WR_REG(0x0a,0x0000); //Frame Cycle Contal.(0x0000)
LCD_WR_REG(0x0c,(1<<0)); //Extern Display Interface Contral 1.(0x0000)
LCD_WR_REG(0x0d,0x0000); //Frame Maker Position.
LCD_WR_REG(0x0f,0x0000); //Extern Display Interface Contral 2.
for(i=50000;i>0;i--);
LCD_WR_REG(0x07,0x0101); //Display Contral.
for(i=50000;i>0;i--);
LCD_WR_REG(0x10,(1<<12)|(0<<8)|(1<<7)|(1<<6)|(0<<4)); //Power Control 1.(0x16b0)
LCD_WR_REG(0x11,0x0007); //Power Control 2.(0x0001)
LCD_WR_REG(0x12,(1<<8)|(1<<4)|(0<<0)); //Power Control 3.(0x0138)
LCD_WR_REG(0x13,0x0b00); //Power Control 4.
LCD_WR_REG(0x29,0x0000); //Power Control 7.
LCD_WR_REG(0x2b,(1<<14)|(1<<4));
LCD_WR_REG(0x50,0); //Set X Start.
LCD_WR_REG(0x51,239); //Set X End.
LCD_WR_REG(0x52,0); //Set Y Start.
LCD_WR_REG(0x53,319); //Set Y End.
LCD_WR_REG(0x60,0x2700); //Driver Output Control.
LCD_WR_REG(0x61,0x0001); //Driver Output Control.
LCD_WR_REG(0x6a,0x0000); //Vertical Srcoll Control.
LCD_WR_REG(0x80,0x0000); //Display Position? Partial Display 1.
LCD_WR_REG(0x81,0x0000); //RAM Address Start? Partial Display 1.
LCD_WR_REG(0x82,0x0000); //RAM Address End-Partial Display 1.
LCD_WR_REG(0x83,0x0000); //Displsy Position? Partial Display 2.
LCD_WR_REG(0x84,0x0000); //RAM Address Start? Partial Display 2.
LCD_WR_REG(0x85,0x0000); //RAM Address End? Partial Display 2.
LCD_WR_REG(0x90,(0<<7)|(16<<0)); //Frame Cycle Contral.(0x0013)
LCD_WR_REG(0x92,0x0000); //Panel Interface Contral 2.(0x0000)
LCD_WR_REG(0x93,0x0001); //Panel Interface Contral 3.
LCD_WR_REG(0x95,0x0110); //Frame Cycle Contral.(0x0110)
LCD_WR_REG(0x97,(0<<8)); //
LCD_WR_REG(0x98,0x0000); //Frame Cycle Contral.
LCD_WR_REG(0x07,0x0173); //(0x0173)
}
}
void Lcd_WR_Start(void)
{
Clr_Cs;
Clr_Rs;
Set_nRd;
DataToWrite(0x0022);
Clr_nWr;
Set_nWr;
Set_Rs;
}
void Lcd_SetCursor(u8 x,u16 y)
{
LCD_WR_REG(0x20,x);
LCD_WR_REG(0x21,y);
}
void Lcd_Clear(u16 Color)
{
u32 temp;
Lcd_SetCursor(0x00, 0x0000);
LCD_WR_REG(0x0050,0x00);
LCD_WR_REG(0x0051,239);
LCD_WR_REG(0x0052,0x00);
LCD_WR_REG(0x0053,319);
Lcd_WR_Start();
Set_Rs;
for (temp = 0; temp < 76800; temp++)
{
DataToWrite(Color);
Clr_nWr;
Set_nWr;
}
Set_Cs;
}
void Lcd_SetBox(u8 xStart,u16 yStart,u8 xLong,u16 yLong,u16 x_offset,u16 y_offset)
{
#if ID_AM==000
Lcd_SetCursor(xStart+xLong-1+x_offset,yStart+yLong-1+y_offset);
#elif ID_AM==001
Lcd_SetCursor(xStart+xLong-1+x_offset,yStart+yLong-1+y_offset);
#elif ID_AM==010
Lcd_SetCursor(xStart+x_offset,yStart+yLong-1+y_offset);
#elif ID_AM==011
Lcd_SetCursor(xStart+x_offset,yStart+yLong-1+y_offset);
#elif ID_AM==100
Lcd_SetCursor(xStart+xLong-1+x_offset,yStart+y_offset);
#elif ID_AM==101
Lcd_SetCursor(xStart+xLong-1+x_offset,yStart+y_offset);
#elif ID_AM==110
Lcd_SetCursor(xStart+x_offset,yStart+y_offset);
#elif ID_AM==111
Lcd_SetCursor(xStart+x_offset,yStart+y_offset);
#endif
LCD_WR_REG(0x0050,xStart+x_offset);
LCD_WR_REG(0x0051,xStart+xLong-1+x_offset);
LCD_WR_REG(0x0052,yStart+y_offset);
LCD_WR_REG(0x0053,yStart+yLong-1+y_offset);
}
void Lcd_ColorBox(u8 xStart,u16 yStart,u8 xLong,u16 yLong,u16 Color)
{
u32 temp;
Lcd_SetBox(xStart,yStart,xLong,yLong,0,0);
Lcd_WR_Start();
Set_Rs;
for (temp=0; temp<xLong*yLong; temp++)
{
DataToWrite(Color);
Clr_nWr;
Set_nWr;
}
Set_Cs;
}
void Lcd_ClearCharBox(u8 x,u16 y,u16 Color)
{
u32 temp;
Lcd_SetBox(x*8,y*16,8,16,0,0);
Lcd_WR_Start();
Set_Rs;
for (temp=0; temp < 128; temp++)
{
DataToWrite(Color);
Clr_nWr;
//Delay_nus(22);
Set_nWr;
}
Set_Cs;
}
void Delay_nms(int n)
{
u32 f=n,k;
for (; f!=0; f--)
{
for(k=0xFFF; k!=0; k--);
}
}
void DrawPixel(u16 x, u16 y, int Color)
{
Lcd_SetCursor(x,y);
Lcd_WR_Start();
Set_Rs;
DataToWrite(Color);
Clr_nWr;
Set_nWr;
Set_Cs;
}
void DispPic240_320(const unsigned char *str)
{
u32 temp;
ColorTypeDef color;
Lcd_SetCursor(0x00, 0x0000);
LCD_WR_REG(0x0050,0x00);
LCD_WR_REG(0x0051,239);
LCD_WR_REG(0x0052,0);
LCD_WR_REG(0x0053,319);
Lcd_WR_Start();
Set_Rs;
for (temp = 0; temp < 240*320; temp++)
{
color.U8[1] =*(unsigned short *)(&str[ 2 * temp]);
color.U8[0]=*(unsigned short *)(&str[ 2 * temp+1]);
//DataToWrite(i);
DataToWrite(color.U16);
Clr_nWr;
Set_nWr;
}
//==============================
}
void test_color(void){
u8 R_data,G_data,B_data,i,j;
Lcd_SetCursor(0x00, 0x0000);
LCD_WR_REG(0x0050,0x00);
LCD_WR_REG(0x0051,239);
LCD_WR_REG(0x0052,0);
LCD_WR_REG(0x0053,319);
Lcd_WR_Start();
Set_Rs;
R_data=0;G_data=0;B_data=0;
for(j=0;j<50;j++)
{
for(i=0;i<240;i++)
{R_data=i/8;DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;Set_nWr;}
}
R_data=0x1f;G_data=0x3f;B_data=0x1f;
for(j=0;j<50;j++)
{
for(i=0;i<240;i++)
{
G_data=0x3f-(i/4);
B_data=0x1f-(i/8);
DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;
Set_nWr;
}
}
//----------------------------------
R_data=0;G_data=0;B_data=0;
for(j=0;j<50;j++)
{
for(i=0;i<240;i++)
{G_data=i/4;
DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;
Set_nWr;}
}
R_data=0x1f;G_data=0x3f;B_data=0x1f;
for(j=0;j<50;j++)
{
for(i=0;i<240;i++)
{
R_data=0x1f-(i/8);
B_data=0x1f-(i/8);
DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;
Set_nWr;
}
}
//----------------------------------
R_data=0;G_data=0;B_data=0;
for(j=0;j<60;j++)
{
for(i=0;i<240;i++)
{B_data=i/8;DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;
Set_nWr;}
}
B_data=0;
R_data=0x1f;G_data=0x3f;B_data=0x1f;
for(j=0;j<60;j++)
{
for(i=0;i<240;i++)
{
G_data=0x3f-(i/4);
R_data=0x1f-(i/8);
DataToWrite(R_data<<11|G_data<<5|B_data);
Clr_nWr;
Set_nWr;
}
}
Set_Cs;
}
And at end, I have a question which I'm not sure it's relevant to the thread but if you look at the picture, you will know there is an error. the error is this:
linking...
.
\Obj\Project.axf: Error: L6218E: Undefined symbol q (referred from ili9325.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 1 error messages.
".\Obj\Project.axf" - 1 Error(s), 1 Warning(s).
Target not created
What's the problem?
Solution
You need to add a prototype for DrawPixel to ILI9325.h:
void DrawPixel(u16 x, u16 y, int Color);
The error during linking is due to this declaration in the header file:
extern u16 q;
This requires a corresponding global variable declaration in one of the .c files, but there isn't one. If you do need this variable, you need to define it somewhere. If not, remove the extraneous declaration. I hope the answer is that you don't need it -- single-letter external variables are not a good idea.
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