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