415 lines
11 KiB
C
415 lines
11 KiB
C
#include "oled.h"
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#include "oledfont.h"
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#include "bmp.h"
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//#define USE_SDK_IIC
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/**********************************************
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//软件 IIC IO 配置
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**********************************************/
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void oled_gpio_init(void)
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{
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gpio_direction_output(OLED_CLK_IO, 1);
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gpio_direction_output(OLED_SDA_IO, 1);
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}
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void oled_sclk_init(void)
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{
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gpio_direction_output(OLED_CLK_IO, 1);
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}
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void oled_sdi_init(void)
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{
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gpio_direction_output(OLED_SDA_IO, 1);
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}
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void oled_sclk_set(char val)//输出设置
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{
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if (val) {
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gpio_direction_output(OLED_CLK_IO, 1);
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} else {
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gpio_direction_output(OLED_CLK_IO, 0);
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}
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}
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void oled_sdi_set(char val)//输出设置
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{
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if (val) {
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gpio_direction_output(OLED_SDA_IO, 1);
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} else {
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gpio_direction_output(OLED_SDA_IO, 0);
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}
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}
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/**********************************************
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//IIC IO Init
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**********************************************/
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void IIC_IO_Init(void)
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{
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// OLED_SCLK_INIT();
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// OLED_SDIN_INIT();
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OLED_GPIO_INIT();
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}
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/**********************************************
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//IIC Start
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**********************************************/
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void IIC_Start()
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{
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OLED_SCLK_Set() ;
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OLED_SDIN_Set();
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OLED_SDIN_Clr();
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OLED_SCLK_Clr();
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}
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/**********************************************
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//IIC Stop
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**********************************************/
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void IIC_Stop()
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{
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OLED_SCLK_Set() ;
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OLED_SDIN_Clr();
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OLED_SDIN_Set();
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}
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void IIC_Wait_Ack()
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{
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OLED_SCLK_Set();
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OLED_SCLK_Clr();
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}
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/**********************************************
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// IIC Write byte
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**********************************************/
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void Write_IIC_Byte(unsigned char IIC_Byte)
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{
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unsigned char i;
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unsigned char m, da;
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da = IIC_Byte;
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OLED_SCLK_Clr();
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for (i = 0; i < 8; i++) {
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m = da;
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m = m & 0x80;
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if (m == 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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da = da << 1;
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OLED_SCLK_Set();
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OLED_SCLK_Clr();
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}
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}
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/**********************************************
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// IIC Write Command
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**********************************************/
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void Write_IIC_Command(unsigned char IIC_Command)
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{
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IIC_Start();
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Write_IIC_Byte(0x78); //Slave address,SA0=0
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IIC_Wait_Ack();
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Write_IIC_Byte(0x00); //write command
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IIC_Wait_Ack();
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Write_IIC_Byte(IIC_Command);
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IIC_Wait_Ack();
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IIC_Stop();
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}
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/**********************************************
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// IIC Write Data
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**********************************************/
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void Write_IIC_Data(unsigned char IIC_Data)
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{
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IIC_Start();
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Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
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IIC_Wait_Ack();
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Write_IIC_Byte(0x40); //write data
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IIC_Wait_Ack();
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Write_IIC_Byte(IIC_Data);
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IIC_Wait_Ack();
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IIC_Stop();
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}
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void OLED_WR_Byte(unsigned char dat, unsigned char cmd)
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{
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if (cmd) {
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Write_IIC_Data(dat);
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} else {
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Write_IIC_Command(dat);
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}
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}
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/********************************************
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// fill_Picture
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********************************************/
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void fill_picture(unsigned char fill_Data)
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{
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unsigned char m, n;
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for (m = 0; m < 8; m++) {
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OLED_WR_Byte(0xb0 + m, OLED_CMD); //page0-page1
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OLED_WR_Byte(0x00, OLED_CMD); //low column start address
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OLED_WR_Byte(0x10, OLED_CMD); //high column start address
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for (n = 0; n < 128; n++) {
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OLED_WR_Byte(fill_Data, 1);
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}
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}
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}
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//坐标设置
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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), OLED_CMD);
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}
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//开启OLED显示
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void OLED_Display_On(void)
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{
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OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC命令
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OLED_WR_Byte(0X14, OLED_CMD); //DCDC ON
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OLED_WR_Byte(0XAF, OLED_CMD); //DISPLAY ON
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}
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//关闭OLED显示
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void OLED_Display_Off(void)
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{
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OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC命令
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OLED_WR_Byte(0X10, OLED_CMD); //DCDC OFF
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OLED_WR_Byte(0XAE, OLED_CMD); //DISPLAY OFF
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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(0, OLED_DATA);
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}
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} //鏇存柊鏄剧ず
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}
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void OLED_On(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(1, OLED_DATA);
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}
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} //更新显示
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}
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//{0x00,0x00,0xF0,0x10,0x10,0x10,0xFE,0x12,0x10,0x10,0x10,0xF0,0x00,0x00},
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//{0x00,0x00,0x03,0x02,0x02,0x02,0xFF,0x02,0x02,0x02,0x02,0x03,0x00,0x00},/*"中",0*/
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//在指定位置显示一个字符,包括部分字符
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//x:0~127
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//y:0~63
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//mode:0,反白显示;1,正常显示
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//size:选择字体 16/12
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void OLED_ShowChar(u8 x, u8 y, u8 chr, u8 Char_Size)
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{
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unsigned char c = 0, i = 0;
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c = chr - ' '; //得到偏移后的值
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if (x > Max_Column - 1) {
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x = 0;
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y = y + 2;
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}
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if (Char_Size == 16) {
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OLED_Set_Pos(x, y);
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for (i = 0; i < 8; i++) {
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OLED_WR_Byte(F8X16[c * 16 + i], OLED_DATA);
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}
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OLED_Set_Pos(x, y + 1);
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for (i = 0; i < 8; i++) {
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OLED_WR_Byte(F8X16[c * 16 + i + 8], OLED_DATA);
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}
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} else {
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OLED_Set_Pos(x, y);
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for (i = 0; i < 6; i++) {
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OLED_WR_Byte(F6x8[c][i], OLED_DATA);
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}
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}
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}
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//m^n函数
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u32 oled_pow(u8 m, u8 n)
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{
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u32 result = 1;
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while (n--) {
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result *= m;
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}
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return result;
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}
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//显示2个数字
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//x,y :起点坐标
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//len :数字的位数
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//size:字体大小
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//mode:模式 0,填充模式;1,叠加模式
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//num:数值(0~4294967295);
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void OLED_ShowNum(u8 x, u8 y, u32 num, u8 len, u8 size2)
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{
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u8 t, temp;
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u8 enshow = 0;
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for (t = 0; t < len; t++) {
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temp = (num / oled_pow(10, len - t - 1)) % 10;
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if (enshow == 0 && t < (len - 1)) {
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if (temp == 0) {
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OLED_ShowChar(x + (size2 / 2)*t, y, ' ', size2);
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continue;
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} else {
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enshow = 1;
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}
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}
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OLED_ShowChar(x + (size2 / 2)*t, y, temp + '0', size2);
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}
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}
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void OLED_ShowNumKB(u8 x, u8 y, u32 num, u8 Char_Size)
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{
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u8 t = 0, temp;
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u8 len = 0;
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static u8 last_max_cnt = 0;
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u32 p = num;
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while (p) {
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p = p / 10;
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len++;
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}
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if (len == 0) {
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OLED_ShowChar(x + (Char_Size / 2)*t, y, '0', Char_Size);
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t++;
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} else {
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for (t = 0; t < len; t++) {
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temp = num / oled_pow(10, len - 1 - t) % 10;
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OLED_ShowChar(x + (Char_Size / 2)*t, y, '0' + temp, Char_Size);
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}
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}
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OLED_ShowChar(x + (Char_Size / 2)*t, y, ' ', Char_Size);
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t++;
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OLED_ShowChar(x + (Char_Size / 2)*t, y, 'K', Char_Size);
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t++;
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OLED_ShowChar(x + (Char_Size / 2)*t, y, 'B', Char_Size);
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if (t > last_max_cnt) {
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last_max_cnt = t;
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}
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while (t < last_max_cnt) {
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t++;
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OLED_ShowChar(x + (Char_Size / 2)*t, y, ' ', Char_Size);
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}
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}
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//显示一个字符号串
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void OLED_ShowString(u8 x, u8 y, u8 *chr, u8 Char_Size)
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{
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unsigned char j = 0;
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while (chr[j] != '\0') {
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OLED_ShowChar(x, y, chr[j], Char_Size);
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x += 8;
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if (x > 120) {
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x = 0;
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y += 2;
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}
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j++;
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}
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}
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//显示汉字
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void OLED_ShowCHinese(u8 x, u8 y, u8 num)
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{
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u8 t, adder = 0;
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OLED_Set_Pos(x, y);
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for (t = 0; t < 16; t++) {
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OLED_WR_Byte(Hzk[2 * num][t], OLED_DATA);
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adder += 1;
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}
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OLED_Set_Pos(x, y + 1);
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for (t = 0; t < 16; t++) {
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OLED_WR_Byte(Hzk[2 * num + 1][t], OLED_DATA);
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adder += 1;
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}
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}
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//显示汉字
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void OLED_ShowCHineseString(u8 x, u8 y, u8 start_num, u8 num)
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{
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u8 t, adder = 0, no;
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for (no = start_num; no < num; no++) {
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OLED_Set_Pos(x, y);
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for (t = 0; t < 16; t++) {
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OLED_WR_Byte(Hzk[2 * no][t], OLED_DATA);
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adder += 1;
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}
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OLED_Set_Pos(x, y + 1);
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for (t = 0; t < 16; t++) {
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OLED_WR_Byte(Hzk[2 * no + 1][t], OLED_DATA);
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adder += 1;
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}
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x += 16;
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}
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}
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/***********功能描述：显示显示BMP图片128×64起始点坐标(x,y),x的范围0～127，y为页的范围0～7*****************/
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void OLED_DrawBMP(unsigned char x0, unsigned char y0, unsigned char x1, unsigned char y1, unsigned char BMP[])
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{
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unsigned int j = 0;
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unsigned char x, y;
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if (y1 % 8 == 0) {
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y = y1 / 8;
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} else {
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y = y1 / 8 + 1;
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}
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for (y = y0; y < y1; y++) {
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OLED_Set_Pos(x0, y);
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for (x = x0; x < x1; x++) {
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OLED_WR_Byte(BMP[j++], OLED_DATA);
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}
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}
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}
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void OLED_KBPS_SHOWN_FONT(void)
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{
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OLED_ShowCHineseString(0, 0, 0, 5);
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OLED_ShowCHineseString(0, 4, 5, 5 + 5);
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}
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void OLED_KBPS_SHOWN(int send_kb, int recv_kb)
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{
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OLED_ShowNumKB(5 * 16, 0, send_kb, 16);
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OLED_ShowNumKB(5 * 16, 4, recv_kb, 16);
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}
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//初始化SSD1306
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void OLED_Init(void)
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{
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IIC_IO_Init();
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Delay_50ms();
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OLED_WR_Byte(0xAE, OLED_CMD); //--display off
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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
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OLED_WR_Byte(0xB0, OLED_CMD); //--set page address
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OLED_WR_Byte(0x81, OLED_CMD); // contract control
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OLED_WR_Byte(0xFF, OLED_CMD); //--128
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OLED_WR_Byte(0xA1, OLED_CMD); //set segment remap
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OLED_WR_Byte(0xA6, OLED_CMD); //--normal / reverse
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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); //--1/32 duty
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OLED_WR_Byte(0xC8, OLED_CMD); //Com scan direction
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OLED_WR_Byte(0xD3, OLED_CMD); //-set display offset
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OLED_WR_Byte(0x00, OLED_CMD); //
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OLED_WR_Byte(0xD5, OLED_CMD); //set osc division
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OLED_WR_Byte(0x80, OLED_CMD); //
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OLED_WR_Byte(0xD8, OLED_CMD); //set area color mode off
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OLED_WR_Byte(0x05, OLED_CMD); //
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OLED_WR_Byte(0xD9, OLED_CMD); //Set Pre-Charge Period
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OLED_WR_Byte(0xF1, OLED_CMD); //
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OLED_WR_Byte(0xDA, OLED_CMD); //set com pin configuartion
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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(0x30, OLED_CMD); //
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OLED_WR_Byte(0x8D, OLED_CMD); //set charge pump enable
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OLED_WR_Byte(0x14, OLED_CMD); //
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OLED_WR_Byte(0xAF, OLED_CMD); //--turn on oled panel
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OLED_Clear();
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//显示测试
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OLED_KBPS_SHOWN_FONT();
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OLED_KBPS_SHOWN(0, 0);
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}
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