294 lines
6.9 KiB
C
294 lines
6.9 KiB
C
#include "includes.h"
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#include "app_config.h"
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#include "ui/ui_api.h"
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#include "system/includes.h"
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#include "system/timer.h"
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#include "asm/spi.h"
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#if TCFG_LCD_OLED_ENABLE
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#define OLED_CMD 0
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#define OLED_DATA 1
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#define USED_SPI_4LINE 1
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#define HIGHT_Brightness 80
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#define MEDIUM_Brightness 50
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#define LOW_Brightness 10
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static void OLED_BackLightCtrl(u8 on)
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{
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if (on) {
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lcd_bl_h();
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} else {
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lcd_bl_l();
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}
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printf("call %s \n", __FUNCTION__);
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}
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static void delay_ms(int ms)
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{
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os_time_dly(ms / 10);
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}
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static void OLED_WR_Cmd(u8 dat)
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{
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#if USED_SPI_4LINE
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lcd_cs_l();
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lcd_rs_l();
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spi_dma_send_byte(dat);
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lcd_cs_h();
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#else
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u8 i;
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OLED_CS_Clr();
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OLED_SCLK_Clr();
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OLED_SDIN_Clr();
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OLED_SCLK_Set();
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for (i = 0; i < 8; i++) {
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OLED_SCLK_Clr();
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if (dat & 0x80) {
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OLED_SDIN_Set();
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} else {
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OLED_SDIN_Clr();
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}
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OLED_SCLK_Set();
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dat <<= 1;
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}
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OLED_CS_Set();
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#endif
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}
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static void OLED_WR_Data(u8 dat)
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{
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#if USED_SPI_4LINE
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lcd_cs_l();
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lcd_rs_h();
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spi_dma_send_byte(dat);
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lcd_cs_h();
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#else
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u8 i;
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OLED_CS_Clr();
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OLED_SCLK_Clr();
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OLED_SDIN_Set();
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OLED_SCLK_Set();
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for (i = 0; i < 8; i++) {
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OLED_SCLK_Clr();
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if (dat & 0x80) {
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OLED_SDIN_Set();
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} else {
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OLED_SDIN_Clr();
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}
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OLED_SCLK_Set();
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dat <<= 1;
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}
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OLED_CS_Set();
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#endif
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}
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static void OLED_Set_Draw_Area(int xs, int xe, int ys, int ye)
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{
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OLED_WR_Cmd(0xb0 + (ys / 8) % 8); //设置页地址（0~7）
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OLED_WR_Cmd(0x00 + xs & 0x0f); //设置显示位置—列低地址
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OLED_WR_Cmd(0x10 + (xs >> 4) & 0x0f); //设置显示位置—列高地址
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}
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static void OLED_Write_Cmd(u8 cmd)
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{
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OLED_WR_Cmd(cmd);
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}
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static void OLED_Write_Data(u8 data)
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{
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OLED_WR_Data(data);
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}
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static void OLED_Write_Map(char *map, int size)
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{
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u8 page;
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u8 col;
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for (page = 0; page < 8; page++) {
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OLED_WR_Cmd(0xb0 + page);
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OLED_WR_Cmd(0x00);
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OLED_WR_Cmd(0x10);
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for (col = 0; col < 128; col++) {
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OLED_WR_Data(*map++);
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}
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}
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}
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//向SSD1306写入一个字节。
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//dat:要写入的数据/命令
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//cmd:数据/命令标志 0,表示命令;1,表示数据;
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static void OLED_WR_Byte(u8 dat, u8 cmd)
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{
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#if USED_SPI_4LINE
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if (cmd == OLED_CMD) {
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OLED_WR_Cmd(dat);
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} else {
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OLED_WR_Data(dat);
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}
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#else
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u8 i;
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OLED_CS_Clr();
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OLED_SCLK_Clr();
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if (cmd == OLED_CMD) {
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/* OLED_SDIN_Set(); */
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OLED_SDIN_Clr();
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} else {
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/* OLED_SDIN_Clr(); */
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OLED_SDIN_Set();
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}
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OLED_SCLK_Set();
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for (i = 0; i < 8; i++) {
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OLED_SCLK_Clr();
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if (dat & 0x80) {
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OLED_SDIN_Set();
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} else {
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OLED_SDIN_Clr();
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}
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OLED_SCLK_Set();
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dat <<= 1;
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}
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OLED_CS_Set();
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#endif
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}
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//清屏函数,清完屏,整个屏幕是黑色的!和没点亮一样!!!
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void OLED_Clear(void)
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{
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u8 i, n;
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for (i = 0; i < 8; i++) {
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OLED_WR_Byte(0xb0 + i, OLED_CMD); //设置页地址（0~7）
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OLED_WR_Byte(0x00, OLED_CMD); //设置显示位置—列低地址
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OLED_WR_Byte(0x10, OLED_CMD); //设置显示位置—列高地址
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for (n = 0; n < 128; n++) {
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OLED_WR_Byte(0x00, OLED_DATA);
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}
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} //更新显示
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}
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void OLED_Set_Pos(unsigned char x, unsigned char y)
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{
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OLED_WR_Byte(0xb0 + y, OLED_CMD);
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OLED_WR_Byte(((x & 0xf0) >> 4) | 0x10, OLED_CMD);
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OLED_WR_Byte((x & 0x0f) | 0x01, OLED_CMD);
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}
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void OLED_Set_Brightness(u8 percentage)
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{
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if (percentage > HIGHT_Brightness) {
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OLED_WR_Byte(0x81, OLED_CMD);
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OLED_WR_Byte(0xEF, OLED_CMD);
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} else if (percentage > MEDIUM_Brightness) {
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OLED_WR_Byte(0x81, OLED_CMD);
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OLED_WR_Byte(0x3F, OLED_CMD);
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} else {
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OLED_WR_Byte(0x81, OLED_CMD);
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OLED_WR_Byte(0x0F, OLED_CMD);
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}
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}
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//初始化SSD1306
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static void SPI_OLED_Init(void)
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{
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printf("OLED_Init...\n");
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#if USED_SPI_4LINE
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lcd_reset_h();
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#else
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OLED_RST_Set();
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#endif
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delay_ms(1000);
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#if USED_SPI_4LINE
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lcd_reset_l();
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#else
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OLED_RST_Clr();
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#endif
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delay_ms(1000);
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#if USED_SPI_4LINE
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lcd_reset_h();
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#else
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OLED_RST_Set();
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#endif
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OLED_WR_Byte(0xAE, OLED_CMD); //--turn off oled panel
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OLED_WR_Byte(0x00, OLED_CMD); //---set low column address
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OLED_WR_Byte(0x10, OLED_CMD); //---set high column address
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OLED_WR_Byte(0x40, OLED_CMD); //--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)
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OLED_WR_Byte(0x81, OLED_CMD); //--set contrast control register
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OLED_WR_Byte(0xCF, OLED_CMD); // Set SEG Output Current Brightness
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OLED_WR_Byte(0xA1, OLED_CMD); //--Set SEG/Column Mapping 0xa0左右反置 0xa1正常
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OLED_WR_Byte(0xC8, OLED_CMD); //Set COM/Row Scan Direction 0xc0上下反置 0xc8正常
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OLED_WR_Byte(0xA6, OLED_CMD); //--set normal display
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OLED_WR_Byte(0xA8, OLED_CMD); //--set multiplex ratio(1 to 64)
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OLED_WR_Byte(0x3f, OLED_CMD); //--1/64 duty
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OLED_WR_Byte(0xD3, OLED_CMD); //-set display offset Shift Mapping RAM Counter (0x00~0x3F)
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OLED_WR_Byte(0x00, OLED_CMD); //-not offset
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OLED_WR_Byte(0xd5, OLED_CMD); //--set display clock divide ratio/oscillator frequency
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OLED_WR_Byte(0x80, OLED_CMD); //--set divide ratio, Set Clock as 100 Frames/Sec
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OLED_WR_Byte(0xD9, OLED_CMD); //--set pre-charge period
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OLED_WR_Byte(0xF1, OLED_CMD); //Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
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OLED_WR_Byte(0xDA, OLED_CMD); //--set com pins hardware configuration
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OLED_WR_Byte(0x12, OLED_CMD);
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OLED_WR_Byte(0xDB, OLED_CMD); //--set vcomh
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OLED_WR_Byte(0x40, OLED_CMD); //Set VCOM Deselect Level
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OLED_WR_Byte(0x20, OLED_CMD); //-Set Page Addressing Mode (0x00/0x01/0x02)
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OLED_WR_Byte(0x02, OLED_CMD); //
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OLED_WR_Byte(0x8D, OLED_CMD); //--set Charge Pump enable/disable
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OLED_WR_Byte(0x14, OLED_CMD); //--set(0x10) disable
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OLED_WR_Byte(0xA4, OLED_CMD); // Disable Entire Display On (0xa4/0xa5)
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OLED_WR_Byte(0xA6, OLED_CMD); // Disable Inverse Display On (0xa6/a7)
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OLED_WR_Byte(0xAF, OLED_CMD); //--turn on oled panel
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OLED_WR_Byte(0xAF, OLED_CMD); /*display ON*/
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OLED_Clear();
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OLED_Set_Pos(0, 0);
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}
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#define LCD_BUFFER_SIZE (128*64*2/8)
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static u8 lcd_buffer[LCD_BUFFER_SIZE] __attribute__((aligned(4)));
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REGISTER_LCD_DRIVE() = {
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.name = "oled",
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.lcd_width = 128,
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.lcd_height = 64,
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.color_format = LCD_COLOR_MONO,
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.interface = LCD_SPI,
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.column_addr_align = 1,
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.row_addr_align = 1,
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.dispbuf = lcd_buffer,
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.bufsize = LCD_BUFFER_SIZE,
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.initcode = NULL,
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.initcode_cnt = 0,
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.Init = SPI_OLED_Init,
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.WriteComm = OLED_Write_Cmd,
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.WriteData = OLED_Write_Data,
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.WriteMap = OLED_Write_Map,
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.SetDrawArea = OLED_Set_Draw_Area,
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.Reset = NULL,
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.BackLightCtrl = OLED_BackLightCtrl,
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};
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#endif
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