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#include "S6B0724_i68.h"
//#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "delay.h"
#include "picture.h"
#include "font5x8.h"
#define LCD_WIDTH 270
#define LCD_PAGE 20
//#define LCD_PORT GPIOB
#define CS1_CLR GPIO_ResetBits(GPIOC, GPIO_Pin_6)
#define CS1_SET GPIO_SetBits(GPIOC, GPIO_Pin_6)
#define DC1_CLR GPIO_ResetBits(GPIOC, GPIO_Pin_7)
#define DC1_SET GPIO_SetBits(GPIOC, GPIO_Pin_7)
#define RW1_CLR GPIO_ResetBits(GPIOC, GPIO_Pin_8)
#define RW1_SET GPIO_SetBits(GPIOC, GPIO_Pin_8)
#define EN1_CLR GPIO_ResetBits(GPIOC, GPIO_Pin_9)
#define EN1_SET GPIO_SetBits(GPIOC, GPIO_Pin_9)
#define RST1_CLR GPIO_ResetBits(GPIOC, GPIO_Pin_10)
#define RST1_SET GPIO_SetBits(GPIOC, GPIO_Pin_10)
#define CS2_CLR GPIO_ResetBits(GPIOA, GPIO_Pin_2)
#define CS2_SET GPIO_SetBits(GPIOA, GPIO_Pin_2)
#define DC2_CLR GPIO_ResetBits(GPIOA, GPIO_Pin_4)
#define DC2_SET GPIO_SetBits(GPIOA, GPIO_Pin_4)
#define RW2_CLR GPIO_ResetBits(GPIOA, GPIO_Pin_5)
#define RW2_SET GPIO_SetBits(GPIOA, GPIO_Pin_5)
#define EN2_CLR GPIO_ResetBits(GPIOA, GPIO_Pin_6)
#define EN2_SET GPIO_SetBits(GPIOA, GPIO_Pin_6)
#define RST2_CLR GPIO_ResetBits(GPIOA, GPIO_Pin_3)
#define RST2_SET GPIO_SetBits(GPIOA, GPIO_Pin_3)
uint8_t buffer[270*20];
void lcd_gpio_config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE );
GPIO_PinRemapConfig( GPIO_Remap_SWJ_JTAGDisable, ENABLE );
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
void lcd_send_cmd1(unsigned int cmd)
{
CS1_CLR;
DC1_CLR;
RW1_CLR;
GPIOB->ODR= (GPIOB->ODR & 0xFF) | ((cmd & 0xFF) << 8);
EN1_SET;
EN1_CLR;
CS1_SET;
}
void lcd_send_data1(unsigned int dat)
{
CS1_CLR;
DC1_SET;
RW1_CLR;
GPIOB->ODR= (GPIOB->ODR & 0xFF) | ((dat & 0xFF) << 8);
EN1_SET;
EN1_CLR;
CS1_SET;
}
void lcd_reset1(void)
{
RST1_CLR;
delay_ms(10); //keep low, min 1ms
RST1_SET;
delay_ms(120); //keep high, min 5ms
}
void lcd_send_cmd2(unsigned int cmd)
{
CS2_CLR;
DC2_CLR;
RW2_CLR;
GPIOB->ODR= (GPIOB->ODR & 0xFF00) | (cmd & 0xFF);
EN2_SET;
EN2_CLR;
CS2_SET;
}
void lcd_send_data2(unsigned int dat)
{
CS2_CLR;
DC2_SET;
RW2_CLR;
GPIOB->ODR= (GPIOB->ODR & 0xFF00) | (dat & 0xFF);
EN2_SET;
EN2_CLR;
CS2_SET;
}
void lcd_reset2(void)
{
RST2_CLR;
delay_ms(10); //keep low, min 1ms
RST2_SET;
delay_ms(120); //keep high, min 5ms
}
void lcd_send_cmd(unsigned int cmd)
{
lcd_send_cmd1(cmd);
lcd_send_cmd2(cmd);
}
void lcd_send_data(unsigned int dat)
{
lcd_send_data1(dat);
lcd_send_data2(dat);
}
void lcd_reset(void)
{
lcd_reset1(); lcd_reset2();
}
void lcd_init_registers(void)
{
//lcd_send_cmd(0x01); //soft reset
//delay_ms(120);
lcd_send_cmd(0x11); //sleep out
lcd_send_cmd(0x28); //display off
delay_ms(25);
lcd_send_cmd(0xC0);
lcd_send_data(0x50);
lcd_send_data(0x01);
lcd_send_cmd(0xC3);
lcd_send_data(0x00);
lcd_send_cmd(0xC4);
lcd_send_data(0x07);
lcd_send_cmd(0xD0);
lcd_send_data(0x1D);
lcd_send_cmd(0xB3);
lcd_send_data(0x00);
lcd_send_cmd(0xB5);
lcd_send_data(0x00);
lcd_send_cmd(0x39); //mono mode
lcd_send_cmd(0x3A);
lcd_send_data(0x02);
lcd_send_cmd(0x36);
lcd_send_data(0x00); // COM:C159->C0 SEG: SEG383->SEG0
lcd_send_cmd(0xB1);
lcd_send_data(0x00);
lcd_send_cmd(0xB0); //duty
lcd_send_data(0x9F);
lcd_send_cmd(0x20);
lcd_send_cmd(0x2A); // Column Address Setting
lcd_send_data(0x00); // COL0 -> COL127
lcd_send_data(0x13); //
lcd_send_data(0x00); //
lcd_send_data(0x6C); // 80*3=240 pixels
lcd_send_cmd(0x2B); // Row Address Setting
lcd_send_data(0x00); // ROW0 -> ROW159
lcd_send_data(0x00); //
lcd_send_data(0x00); //
lcd_send_data(0x9F); // 160 pixels
lcd_send_cmd(0x29);
}
uint8_t offsets[] = {6, 3, 0};
void lcd_update(void)
{
lcd_send_cmd(0x2A); // Column Address Setting
lcd_send_data(0x00);
lcd_send_data(0x13);
lcd_send_data(0x00);
lcd_send_data(0x6C);
lcd_send_cmd(0x2B); // Row Address Setting
lcd_send_data(0x00);
lcd_send_data(0x00);
lcd_send_data(0x00);
lcd_send_data(0x9F);
lcd_send_cmd(0x2C);
uint8_t temp;
for(uint16_t j=0; j< 160; j++)
{
for(uint16_t i=0; i< 90; i++)
{
temp = 0x00;
for(uint16_t z=0; z< 3; z++)
{
temp |= ((buffer[j/8 * 270 + i*3 + z] >> (j % 8) & 0x01) ? 0x03 : 0x00) << offsets[z];
}
lcd_send_data(temp);
}
}
}
void lcd_write_buffer(int x, int p, int cx, int pc, const uint8_t *data)
{
for(int j=0; j< pc; j++)
{
for(int i = 0; i< cx; i++)
{
buffer[(p + j)*270 + x + i] = data[j*cx + i];
}
}
}
void lcd_set_buffer(int x, int p, uint8_t data)
{
buffer[p*270 + x] = data;
}
void lcd_init(void)
{
lcd_gpio_config();
lcd_reset();
lcd_init_registers();
memset(buffer, 0x00, sizeof buffer);
}
void lcd_graphic_test(void)
{
int i, j;
//display chess pattern
for(j=0; j< LCD_PAGE; j++)
{
for(i=0; i< LCD_WIDTH; i++)
{
lcd_set_buffer(i, j, (i/4)%2 ? 0xF0 : 0x0F);
}
}
lcd_update();
delay_ms(1000);
//all black.
for(j=0; j< LCD_PAGE; j++)
{
for(i=0; i< LCD_WIDTH; i++)
{
lcd_set_buffer(i, j, 0xFF);
}
}
lcd_update();
delay_ms(1000);
//all white.
for(j=0; j< LCD_PAGE; j++)
{
for(i=0; i< LCD_WIDTH; i++)
{
lcd_set_buffer(i, j, 0x00);
}
}
lcd_update();
delay_ms(1000);
int nCharIndex = 0;
for(int i=0; i< 20; i++)
{
for(int j=0; j< 270; j++)
{
nCharIndex = (i*45 + j/6) % 96;
buffer[i*270 + j] = (j%6 != 5) ? FONT5x8[nCharIndex][j%6] : 0x00;
}
}
lcd_update();
delay_ms(1000);
memset(buffer, 0x00, sizeof buffer);
lcd_write_buffer(20, 0, 228, 20, DEMO);
lcd_update();
delay_ms(1000);
memset(buffer, 0x00, sizeof buffer);
lcd_write_buffer(10, 1, 64, 8, Doraemon);
lcd_update();
delay_ms(1000);
}

復制代碼

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