- #include "at32f4xx.h"
- #include "at32f4xx_i2c_ex.h"
- #include "stdio.h"
- #include "string.h"
- #include "at32_board.h"
- #include "oled.h"
- /** @addtogroup AT32F407_StdPeriph_Examples
- * @{
- */
- /** @addtogroup Poll_MA_TX&SLA_RX
- * @{
- */
- /* Private typedef -----------------------------------------------------------*/
- /* Private define ------------------------------------------------------------*/
- #define MASTER_BOARD
- /* Private macro -------------------------------------------------------------*/
- #define BUF_SIZE 8
- /* Private variables ---------------------------------------------------------*/
- u8 tx_buf[BUF_SIZE] = {0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8};
- u8 rx_buf[BUF_SIZE] = {0};
- /* Private function prototypes -----------------------------------------------*/
- /* Private functions ---------------------------------------------------------*/
- /**
- * [url=home.php?mod=space&uid=247401]@brief[/url] Error handler program
- * @param I2C_Status
- * @retval None
- */
- void Error_Handler(I2C_StatusType I2C_Status)
- {
- printf("Proc error I2C_ERROR_STEP_%d!!!\r\n", I2C_Status);
- }
- /**
- * @brief Main program
- * @param None
- * @retval None
- */
- int main(void)
- {
-
-
-
- AT32_Board_Init();
-
- //UART_Print_Init(115200);
- I2Cx_Init(I2C_PORT);
-
- //printf("Polling - Master Transmitter & Slave Receiver.\r\n");
- OLED_Init();
- fill_picture(0xff);
- Ddl_Delay1ms(1000);
- OLED_Clear();
-
- OLED_ShowCHinese(16,0,5);//
- OLED_ShowCHinese(32,0,6);//
- OLED_ShowCHinese(48,0,7);//
- OLED_ShowCHinese(64,0,8);//
- OLED_ShowCHinese(80,0,9);//
- OLED_ShowCHinese(96,0,10);//
- OLED_ShowString(8,2,"AT32F407--21ic",16);
- //OLED_ShowChar1(0,2,'1',16);
- while(1)
- {
-
-
-
- }
- }
- #include "oled.h"
- //OLED的显存
- //存放格式如下.
- //[0]0 1 2 3 ... 127
- //[1]0 1 2 3 ... 127
- //[2]0 1 2 3 ... 127
- //[3]0 1 2 3 ... 127
- //[4]0 1 2 3 ... 127
- //[5]0 1 2 3 ... 127
- //[6]0 1 2 3 ... 127
- //[7]0 1 2 3 ... 127
- void Ddl_Delay1ms(unsigned int x)
- {
- unsigned int i,j;
- for(i=0;i<x;i++)
- for(j=0;j<200;j++);
- }
- /**
- * @brief Write_I2C_Data 向OLED写入数据
- * @param I2C_Data:数据
- * @retval 无
- */
- static void Write_I2C_Data(uint8_t I2C_Data)//写数据
- {
-
-
-
- I2C_Master_Transmit1(I2C_PORT, OLED_ADDS, I2C_Data, 10000);
- }
- /**
- * @brief Write_I2C_Command,向OLED写入命令
- * @param I2C_Command
- * @retval 无
- */
- static void Write_I2C_Command(uint8_t I2C_Command)//写命令
- {
-
-
- I2C_Master_Transmit2(I2C_PORT, OLED_ADDS, I2C_Command, 10000);
- }
- void OLED_WR_Byte(unsigned dat,unsigned cmd)
- {
- if(cmd)
- Write_I2C_Data(dat);
- else
- Write_I2C_Command(dat);
- }
- /********************************************
- // fill_Picture
- ********************************************/
- void fill_picture(uint8_t fill_Data)
- {
- uint8_t m,n;
- for(m=0; m<8; m++)
- {
- OLED_WR_Byte(0xb0+m,0); //page0-page1
- OLED_WR_Byte(0x00,0); //low column start address
- OLED_WR_Byte(0x10,0); //high column start address
- for(n=0; n<128; n++)
- {
- OLED_WR_Byte(fill_Data,1);
- }
- }
- }
- //坐标设置
- void OLED_Set_Pos(uint8_t x, uint8_t y)
- {
- OLED_WR_Byte(0xb0+y, OLED_CMD);
- OLED_WR_Byte(((x&0xf0)>>4)|0x10, OLED_CMD);
- OLED_WR_Byte((x&0x0f), OLED_CMD);
- }
- //开启OLED显示
- void OLED_Display_On(void)
- {
- OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC命令
- OLED_WR_Byte(0X14, OLED_CMD); //DCDC ON
- OLED_WR_Byte(0XAF, OLED_CMD); //DISPLAY ON
- }
- //关闭OLED显示
- void OLED_Display_Off(void)
- {
- OLED_WR_Byte(0X8D, OLED_CMD); //SET DCDC命令
- OLED_WR_Byte(0X10, OLED_CMD); //DCDC OFF
- OLED_WR_Byte(0XAE, OLED_CMD); //DISPLAY OFF
- }
- //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)
- {
- uint8_t 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(0, OLED_DATA);
- }
- }
- void OLED_ON(void)
- {
- uint8_t 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(1, OLED_DATA);
- }
- }
- //在指定位置显示一个字符,包括部分字符
- //x:0~127
- //y:0~63
- //mode:0,反白显示;1,正常显示
- //size:选择字体 16/12
- void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)
- {
- uint8_t c=0,i=0;
- c=chr-' ';//得到偏移后的值
- if(x>Max_Column-1)
- {
- x = 0;
- y = y+2;
- }
- if(Char_Size == 16)
- {
- OLED_Set_Pos(x, y);
- for(i=0; i<8; i++)
- OLED_WR_Byte(F8X16[c*16 + i], OLED_DATA);
-
- OLED_Set_Pos(x, y+1);
- for(i=0; i<8; i++)
- OLED_WR_Byte(F8X16[c*16 + i + 8], OLED_DATA);
- }
- else
- {
- OLED_Set_Pos(x, y);
- for(i=0; i<6; i++)
- OLED_WR_Byte(F6x8[c][i], OLED_DATA);
- }
- }
- void OLED_ShowChar1(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)
- {
- uint8_t c=0,i=0;
- c=chr-'0';//得到偏移后的值
- if(x>Max_Column-1)
- {
- x = 0;
- y = y+2;
- }
- if(Char_Size == 16)
- {
- OLED_Set_Pos(x, y);
- for(i=0; i<8; i++)
- OLED_WR_Byte(F816[c*16 + i], OLED_DATA);
-
- OLED_Set_Pos(x, y+1);
- for(i=0; i<8; i++)
- OLED_WR_Byte(F816[c*16 + i + 8], OLED_DATA);
- }
-
- }
- //m^n函数
- uint32_t OLED_pow(uint8_t m, uint8_t n)
- {
- uint32_t result = 1;
- while(n--)
- result *= m;
-
- return result;
- }
- //显示2个数字
- //x,y :起点坐标
- //len :数字的位数
- //size:字体大小
- //mode:模式 0,填充模式;1,叠加模式
- //num:数值(0~4294967295);
- void OLED_ShowNum(uint8_t x, uint8_t y, uint32_t num, uint8_t len, uint8_t size2)
- {
- uint8_t t,temp;
- uint8_t enshow = 0;
- for(t=0; t<len; t++)
- {
- temp = (num/OLED_pow(10, len-t-1)) %10;
- if(enshow == 0 && t<(len-1))
- {
- if(temp == 0)
- {
- OLED_ShowChar(x+(size2/2)*t, y, ' ', size2);
- continue;
- }
- else
- enshow = 1;
- }
- OLED_ShowChar(x+(size2/2)*t, y, temp+'0', size2);
- }
- }
- //显示一个字符号串
- void OLED_ShowString(uint8_t x, uint8_t y, char *chr, uint8_t Char_Size)
- {
- uint8_t j=0;
- while (chr[j] != '\0')
- {
- OLED_ShowChar(x, y, chr[j], Char_Size);
- x += 8;
- if(x>120)
- {
- x=0;
- y+=2;
- }
- j++;
- }
- }
- //显示汉字
- void OLED_ShowCHinese(uint8_t x, uint8_t y, uint8_t no)
- {
- uint8_t t,adder=0;
- OLED_Set_Pos(x,y);
- for(t=0;t<16;t++)
- {
- OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
- adder+=1;
- }
- OLED_Set_Pos(x,y+1);
- for(t=0;t<16;t++)
- {
- OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);
- adder+=1;
- }
- }
- /***********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
- *****************/
- void OLED_DrawBMP(uint8_t x0, uint8_t y0,uint8_t x1, uint8_t y1, uint8_t BMP[])
- {
- unsigned int j=0;
- uint8_t x,y;
- if(y1%8 == 0)
- y = y1/8;
- else
- y = y1/8 + 1;
- for(y=y0; y<y1; y++)
- {
- OLED_Set_Pos(x0, y);
- for(x=x0; x<x1; x++)
- {
- OLED_WR_Byte(BMP[j++], OLED_DATA);
- }
- }
- }
- //初始化SSD1306
- void OLED_Init(void)
- {
- Ddl_Delay1ms(100);
- OLED_WR_Byte(0xAE,OLED_CMD);//关闭显示
-
- OLED_WR_Byte(0x40,OLED_CMD);//---set low column address
- OLED_WR_Byte(0xB0,OLED_CMD);//---set high column address
- OLED_WR_Byte(0xC8,OLED_CMD);//-not offset
- OLED_WR_Byte(0x81,OLED_CMD);//设置对比度
- OLED_WR_Byte(0xff,OLED_CMD);
- OLED_WR_Byte(0xa1,OLED_CMD);//段重定向设置
- OLED_WR_Byte(0xa6,OLED_CMD);//
-
- OLED_WR_Byte(0xa8,OLED_CMD);//设置驱动路数
- OLED_WR_Byte(0x1f,OLED_CMD);
-
- OLED_WR_Byte(0xd3,OLED_CMD);
- OLED_WR_Byte(0x00,OLED_CMD);
-
- OLED_WR_Byte(0xd5,OLED_CMD);
- OLED_WR_Byte(0xf0,OLED_CMD);
-
- OLED_WR_Byte(0xd9,OLED_CMD);
- OLED_WR_Byte(0x22,OLED_CMD);
-
- OLED_WR_Byte(0xda,OLED_CMD);
- OLED_WR_Byte(0x02,OLED_CMD);
-
- OLED_WR_Byte(0xdb,OLED_CMD);
- OLED_WR_Byte(0x49,OLED_CMD);
-
- OLED_WR_Byte(0x8d,OLED_CMD);
- OLED_WR_Byte(0x14,OLED_CMD);
-
- OLED_WR_Byte(0xaf,OLED_CMD);
- OLED_Clear();
- }
效果图: