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#include <oled.h>
#include <oledfont.h>
#if OLED_MODE == 2
//2 為IIC通信
//3 為SPI通信
void OLED_WR_Byte(unsigned char dat, unsigned char cmd)
{
if (cmd == OLED_DATA)
OLED_WritrDate(dat);
else
OLED_WriteCommand(dat);
}
void OLED_WritrDate(unsigned char dat)
{
IIC_Start();
Write_IIC_Byte (0x78);
IIC_Wait_Ack();
Write_IIC_Byte(0x40);//數字寄存器
IIC_Wait_Ack();
Write_IIC_Byte(dat);
IIC_Wait_Ack();
IIC_Stop();
}
void OLED_WriteCommand(unsigned char dat)
{
IIC_Start();
Write_IIC_Byte (0x78);
IIC_Wait_Ack();
Write_IIC_Byte(0x00);//命令寄存器
IIC_Wait_Ack();
Write_IIC_Byte(dat);
IIC_Wait_Ack();
IIC_Stop();
}
#else
void OLED_WR_Byte(unsigned char dat, unsigned char cmd)
{
Write_SPI_Byte(dat, cmd);
}
#endif
void Initial_OLED_ssd1306(void)
{
//若模擬VCC GND 最好有延時再開始寫數據
//OELD_GPIO_Init();
OLED_WR_Byte(0xAE,OLED_CMD);//關顯示
OLED_WR_Byte(0x00,OLED_CMD);//列地址低 00-0F
OLED_WR_Byte(0x10,OLED_CMD);//列地址高 10-1F
OLED_WR_Byte(0x40,OLED_CMD);//顯示起始行
OLED_WR_Byte(0xB0,OLED_CMD);//--設置頁地址 B0-B7
OLED_WR_Byte(0x81,OLED_CMD); // 對比度 00~FF 越大越亮哦
OLED_WR_Byte(0xFF,OLED_CMD);//--128
OLED_WR_Byte(0xA1,OLED_CMD);//段重定義設置
OLED_WR_Byte(0xA6,OLED_CMD);//正常A6/反向A7 顯示模式
OLED_WR_Byte(0xA8,OLED_CMD);//設置驅動路數 1-64
OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty -----63
OLED_WR_Byte(0xC8,OLED_CMD);//掃描方式 0xC8 0xC0
OLED_WR_Byte(0xD3,OLED_CMD);//顯示偏移offset
OLED_WR_Byte(0x00,OLED_CMD);//
OLED_WR_Byte(0xD5,OLED_CMD);//設置時鐘分頻、震蕩頻率
OLED_WR_Byte(0x80,OLED_CMD);//[3:0]分頻 [7:4]震蕩頻率
OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
OLED_WR_Byte(0x05,OLED_CMD);//
OLED_WR_Byte(0xD9,OLED_CMD);//預充電期
OLED_WR_Byte(0xF1,OLED_CMD);//
OLED_WR_Byte(0xDA,OLED_CMD);//引腳配置
OLED_WR_Byte(0x12,OLED_CMD);//可選的引腳、不可重映射
OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh(沒試過)
OLED_WR_Byte(0x30,OLED_CMD);//0.83*Vcc 0x20: 0.77*Vcc 0x00: 0.65Vcc
OLED_WR_Byte(0x8D,OLED_CMD);//電荷泵
OLED_WR_Byte(0x14,OLED_CMD);//開啟 0x10關閉
//delay_ms(100);
OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
OLED_Clear();
OLED_Set_Pos(0,0);
}
//*****************打點函數******************
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);//高地址
OLED_WR_Byte((x&0x0f),OLED_CMD); //低地址
}
//*****************顯示一個字符******************
void OLED_ShowChar(unsigned char x,unsigned char y,unsigned char chr,unsigned char Char_Size)
{
unsigned char gap=0,i=0;
gap=chr-' ';//得到偏移即差值
if(Char_Size ==16)
{
OLED_Set_Pos(x,y);
for(i=0;i<8;i++)
OLED_WR_Byte(F8X16[gap*16+i],OLED_DATA);
OLED_Set_Pos(x,y+1);
for(i=0;i<8;i++)
OLED_WR_Byte(F8X16[gap*16+i+8],OLED_DATA);
}
else if(Char_Size == 6)
{
OLED_Set_Pos(x,y);
for(i=0;i<6;i++)
OLED_WR_Byte(F6x8[gap][i],OLED_DATA);
}
}
//*****************顯示字符串******************
void OLED_ShowString(unsigned char x,unsigned char y,unsigned char *chr,unsigned char Char_Size)
{
unsigned char j=0;
while (chr[j]!='\0')
{
OLED_ShowChar(x,y,chr[j],Char_Size);
x+=8;
if(x>120){x=0;y+=2;}
j++;
}
}
//搭配顯示數字函數一起用
//返回:m^n
unsigned int oled_pow(unsigned char m,unsigned char n)
{
unsigned int result=1;
while(n--)result*=m;
return result;
}
/*
*****************顯示數字******************len:數的位數
*/
void OLED_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len,unsigned char size2)
{
unsigned char t,temp;
unsigned char enshow=0;
for(t=0;t<len;t++)
{
temp=(num/oled_pow(10,len-t-1))%10;//取各個位從高位開始
if(enshow==0&&t<(len-1))//當len設置過大情況下，用空格替代
{
if(temp==0)//高位的0無效，空格占據
{
if(size2 == 16)
OLED_ShowChar(x+(size2/2)*t,y,' ',size2);//調整間隔、緊挨顯示
else if(size2 == 6)
OLED_ShowChar(x+size2*t,y,' ',size2);//調整間隔、緊挨顯示
continue; //取下一個位
}
else
enshow=1; //可以開始顯示
}
//enshow==1后，開始執(zhí)行以下程序
if(size2 == 16)
OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2); //調整間隔、緊挨顯示
else if(size2 == 6)
OLED_ShowChar(x+size2*t,y,temp+'0',size2);//調整間隔、緊挨顯示
}
}
//*****************清屏函數******************
void OLED_Clear (void)
{
unsigned char i, n;
for (i = 0; i <8; i++)
{
OLED_Set_Pos(0, i);
for (n =0; n<128; n++)OLED_WR_Byte(0x00, OLED_DATA);
}
}
//*****************清除部分屏幕******************
void OLED_Clear_Part(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2 )
{
unsigned char i, n;
for (i = x1; i < x2; i++)
{
OLED_Set_Pos(x1, i);
for (n = y1; n < y2; n++)
{
OLED_WR_Byte(0x00, OLED_DATA);
}
}
}
//*****************屏幕全滿******************
void OLED_Full (void)
{
unsigned char i, n;
for (i = 0; i <8; i++)
{
OLED_Set_Pos(0, i);
for (n =0; n<128; n++)OLED_WR_Byte(0xff, OLED_DATA);
}
}
//*****************顯示圖片******************
void ShowBmp (unsigned char *bmp)
{
int i, n;
for (i = 0; i <8; i++)
{
OLED_Set_Pos(0, i);
for (n =0; n<128; n++)OLED_WR_Byte(bmp[i*128+n], OLED_DATA);
}
}
// //*****************顯示一個漢字******************
//void OLED_Show_A_CHinese(unsigned char x,unsigned char y,unsigned char* ch,unsigned char Char_Size)
//{
// unsigned char t,i;
// OLED_Set_Pos(x,y);
// for(i=0;i<10;i++)
// {
// if(Char_Size == 16 && Chinese_16[i].name[0] == ch[0] && Chinese_16[i].name[1] == ch[1])
// {
// for(t=0;t<16;t++)
// {
// OLED_WR_Byte(Chinese_16[i].DaTa[t],OLED_DATA);
// }
// OLED_Set_Pos(x,y+1);
// for(t=16;t<32;t++)
// {
// OLED_WR_Byte(Chinese_16[i].DaTa[t],OLED_DATA);
// }
// }
// }
//}
//*****************顯示許多漢字******************
//void OLED_Show_Many_Chinese(unsigned char x, unsigned char y, unsigned char *chr, unsigned char Char_Size)
//{
// unsigned char j = 0, ch[2];
// while (chr[j]!='\0')
// {
// ch[0] = chr[j];
// ch[1] = chr[j + 1];
// OLED_Show_A_CHinese(x,y,ch,Char_Size);
// x+=16;
// if(x>120){x=0;y+=2;}
// j+=2;
// }
//}
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "gpio.h"
#include "oled.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#define uchar unsigned char
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
uchar ch;
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
/* USER CODE BEGIN 2 */
Initial_OLED_ssd1306();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
OLED_ShowNum(0,0,202,3,16);
HAL_Delay(500);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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