- #include "main.h"
- #include "oled.h"
- /** @addtogroup Examples
- @{
- */
- uint8_t temp;
- uint8_t txBuffer[50];
- uint8_t rxBuffer[10];
- uint8_t cord_h,cord_l;//???????
- volatile uint32_t nBytesRead = 0;
- //volatile bool txThresholdEventReceived = false;
- //volatile bool rxThresholdEventReceived = false;
- /** @addtogroup USART_Printf
- @{
- */
- /** @addtogroup USART_Printf_Variables Variables
- @{
- */
- volatile uint32_t tick = 0;
- uint8_t txBuf[] = "Key Value = : \r\n";
- /**@} end of group USART_Printf_Variables */
- void DelayMs(uint16_t nms)
- {
- uint16_t i,j;
- for(i=0;i<nms;i++)
- for(j=0;j<200;j++);
- }
- /** @addtogroup USART_Printf_Functions Functions
- @{
- */
- //void PORT_Initialize1(void)
- //{
- // /************************** GROUP 0 Initialization *************************/
- // GPIO_Config_T GPIO_ConfigStruct;
- // /************************** GROUP 1 Initialization *************************/
- // RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_GPIOA | RCM_APB2_PERIPH_GPIOC);
- //
- // GPIO_ConfigStruct.mode = GPIO_MODE_OUT_PP;
- // GPIO_ConfigStruct.pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3;
- // GPIO_ConfigStruct.speed = GPIO_SPEED_50MHz;
- // GPIO_Config(GPIOC, &GPIO_ConfigStruct);
- // GPIO_ConfigStruct.mode = GPIO_MODE_IN_PU;
- // GPIO_ConfigStruct.pin = GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7;
- // GPIO_ConfigStruct.speed = GPIO_SPEED_50MHz;
- // GPIO_Config(GPIOA, &GPIO_ConfigStruct);
- //}
- //void PORT_Initialize2(void)
- //{
- // GPIO_Config_T GPIO_ConfigStruct;
- // /************************** GROUP 1 Initialization *************************/
- // RCM_EnableAPB2PeriphClock(RCM_APB2_PERIPH_GPIOA | RCM_APB2_PERIPH_GPIOC);
- //
- // GPIO_ConfigStruct.mode = GPIO_MODE_OUT_PP;
- // GPIO_ConfigStruct.pin = GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7;
- // GPIO_ConfigStruct.speed = GPIO_SPEED_50MHz;
- // GPIO_Config(GPIOA, &GPIO_ConfigStruct);
- // GPIO_ConfigStruct.mode = GPIO_MODE_IN_PU;
- // GPIO_ConfigStruct.pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3;
- // GPIO_ConfigStruct.speed = GPIO_SPEED_50MHz;
- // GPIO_Config(GPIOC, &GPIO_ConfigStruct);
- //}
- /*!
- * [url=home.php?mod=space&uid=247401]@brief[/url] Main program
- *
- * @param None
- *
- * @retval None
- *
- */
- int main(void)
- {
- uint8_t i;
- GPIO_Config_T GPIO_ConfigStruct;
- USART_Config_T USART_ConfigStruct;
- APM_MINI_LEDInit(LED2);
- RCM_EnableAPB2PeriphClock((RCM_APB2_PERIPH_T)(RCM_APB2_PERIPH_GPIOA | RCM_APB2_PERIPH_USART1));
- GPIO_ConfigStruct.mode = GPIO_MODE_AF_PP;
- GPIO_ConfigStruct.pin = GPIO_PIN_9;
- GPIO_ConfigStruct.speed = GPIO_SPEED_50MHz;
- GPIO_Config(GPIOA, &GPIO_ConfigStruct);
- USART_ConfigStruct.baudRate = 115200;
- USART_ConfigStruct.hardwareFlow = USART_HARDWARE_FLOW_NONE;
- USART_ConfigStruct.mode = USART_MODE_TX;
- USART_ConfigStruct.parity = USART_PARITY_NONE;
- USART_ConfigStruct.stopBits = USART_STOP_BIT_1;
- USART_ConfigStruct.wordLength = USART_WORD_LEN_8B;
- USART_Config(USART1, &USART_ConfigStruct);
- USART_Enable(USART1);
- SysTick_Config(SystemCoreClock / 1000);
- I2C_Init();
- OLED_Init();
- // OLED_ShowChar(0,0,'1',16);
- //OLED_ShowNum(0,2,123,3,16);
- OLED_ShowString(10,0,"21ic",16);
- OLED_ShowCHinese(10,2,0);
- OLED_ShowCHinese(26,2,1);
- OLED_ShowCHinese(42,2,2);
- OLED_ShowCHinese(58,2,3);
- OLED_ShowCHinese(74,2,4);
-
-
- while(1)
- {
-
- for(i = 0; i < sizeof(txBuf); i++)
- {
- while(USART_ReadStatusFlag(USART1, USART_FLAG_TXBE) == RESET);
- USART_TxData(USART1, txBuf[i]);
- }
-
- }
- }
- /*!
- * @brief Delay
- *
- * @param None
- *
- * @retval None
- *
- */
- void Delay(void)
- {
- tick = 0;
- while(tick < 500);
- }
- /**@} end of group USART_Printf_Functions */
- /**@} end of group USART_Printf */
- /**@} end of group Examples */
OLED.C程序:
- #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
- /**
- * @brief Write_I2C_Data 向OLED写入数据
- * @param I2C_Data:数据
- * @retval 无
- */
- /**********************************************************************************************************
- * 函 数 名: AT24Cxx_WriteOneByte
- * 功能说明: AT24Cxx_WriteOneByte 写一个字节
- * 形 参:无
- * 返 回 值: 无
- **********************************************************************************************************/
- void WriteOneByte1(u8 dt)
- {
- I2C_Start();
-
- I2C_Send_Byte(0x78);//器件地址+数据地址
-
- I2C_Wait_Ack();
- I2C_Send_Byte(0x40);//双字节是数据地址低位
- //单字节是数据地址低位
- I2C_Wait_Ack();
- I2C_Send_Byte(dt);
- I2C_Wait_Ack();
- I2C_Stop();
- //delay_ms(10);
- }
- void WriteOneByte2(u8 dt)
- {
- I2C_Start();
-
- I2C_Send_Byte(0x78);//器件地址+数据地址
-
- I2C_Wait_Ack();
- I2C_Send_Byte(0x00);//双字节是数据地址低位
- //单字节是数据地址低位
- I2C_Wait_Ack();
- I2C_Send_Byte(dt);
- I2C_Wait_Ack();
- I2C_Stop();
- //delay_ms(10);
- }
- static void Write_I2C_Data(uint8_t I2C_Data)//写数据
- {
- WriteOneByte1(I2C_Data);
- }
- /**
- * @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
- {
- WriteOneByte2(I2C_Command);
- }
- 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);
- }
- }
- //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)
- {
- long int i;
- for(i=0;i<20000;i++);
- //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: