利用cubemx生成的模拟IO代码驱动5110屏幕 速度很慢 ,20分钟才显示完整三个字符。找不到问题在哪。
代码如下。8M的外部晶振main.c
/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
/* USER CODE BEGIN Includes */
#include "Header_File.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
UART_HandleTypeDef huart1;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
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();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
OLED_Init();
HAL_Delay(1000);
LCD_PrintfChineseMix16x16(2,3,"ϵBCDEFGHIJKLMN",0);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
// HAL_Delay(1000);
for(uint8_t i=0;i<0xf;i++)
{
uint32_t j=100000;
while(j--);
}
HAL_GPIO_TogglePin(LED_GPIO_Port,LED_Pin);
// LCD_clear();
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
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;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/8000);
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK_DIV8);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* USART1 init function */
void MX_USART1_UART_Init(void)
{
huart1.Instance = USART1;
huart1.Init.BaudRate = 115200;
huart1.Init.WordLength = UART_WORDLENGTH_8B;
huart1.Init.StopBits = UART_STOPBITS_1;
huart1.Init.Parity = UART_PARITY_NONE;
huart1.Init.Mode = UART_MODE_TX_RX;
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
HAL_UART_Init(&huart1);
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOE, RES_Pin|DI_Pin|DO_Pin|CS_Pin
|DC_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
/*Configure GPIO pins : RES_Pin DI_Pin DO_Pin CS_Pin
DC_Pin */
GPIO_InitStruct.Pin = RES_Pin|DI_Pin|DO_Pin|CS_Pin
|DC_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
/*Configure GPIO pin : LED_Pin */
GPIO_InitStruct.Pin = LED_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
#ifdef USE_FULL_ASSERT
/**
* [url=home.php?mod=space&uid=247401]@brief[/url] 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
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
5110.c
#include "Header_File.h"
/**********************************************************************
*函数名称: OLED_WriteData(uint8_t dat)
*函数功能: OLED些数据
*入口参数: dat 数据
*出口参数: void
*示 例: OLED_WriteData(0x21)
**********************************************************************/
void OLED_WriteData( uint8_t dat)
{
uint8_t i;
HAL_GPIO_WritePin(DC_GPIO_Port,DC_Pin,GPIO_PIN_SET);
for(i=0;i<8;i++)
{
if((dat << i) & 0x80)
{
HAL_GPIO_WritePin(DI_GPIO_Port,DI_Pin,GPIO_PIN_SET);
}
else
HAL_GPIO_WritePin(DI_GPIO_Port,DI_Pin,GPIO_PIN_RESET);
HAL_GPIO_WritePin(DO_GPIO_Port,DO_Pin,GPIO_PIN_RESET);
HAL_GPIO_WritePin(DO_GPIO_Port,DO_Pin,GPIO_PIN_SET);
}
}
/**********************************************************************
*函数名称: OLED_WriteCmd(uint8_t cmd)
*函数功能: OLED写命令
*入口参数: cmd 命令
*出口参数: void
*示 例: OLED_WriteCmd(0x21)
**********************************************************************/
void OLED_WriteCmd(uint8_t cmd)
{
uint8_t i;
HAL_GPIO_WritePin(DC_GPIO_Port,DC_Pin,GPIO_PIN_RESET);
for(i=0;i<8;i++)
{
if((cmd << i) & 0x80)
{
HAL_GPIO_WritePin(DI_GPIO_Port,DI_Pin,GPIO_PIN_SET);
}
else
HAL_GPIO_WritePin(DI_GPIO_Port,DI_Pin,GPIO_PIN_RESET);
HAL_GPIO_WritePin(DO_GPIO_Port,DO_Pin,GPIO_PIN_RESET);
HAL_GPIO_WritePin(DO_GPIO_Port,DO_Pin,GPIO_PIN_SET);
}
}
/**********************************************************************
*函数名称: OLED_SetPos(uint8_t x, uint8_t y)
*函数功能: OLED写坐标
*入口参数: X 横坐标 Y纵坐标
*出口参数: void
*示 例: OLED_SetPos(2,1)
**********************************************************************/
void OLED_SetPos(uint8_t x, uint8_t y)
{
OLED_WriteCmd(0xb0+y);
OLED_WriteCmd(((x&0xf0)>>4)|0x10);
OLED_WriteCmd((x&0x0f)|0x01);
}
/**********************************************************************
*函数名称: void OLED_Fill(uint8_t bmp_dat)
*函数功能: 满屏写数据
*入口参数: bmp_dat数据
*出口参数: void
*示 例: OLED_Fill(0) 清屏函数
**********************************************************************/
void OLED_Fill(uint8_t bmp_dat)
{
uint8_t y,x;
for(y=0;y<8;y++)
{
OLED_WriteCmd(0xb0+y);
OLED_WriteCmd(0x01);
OLED_WriteCmd(0x10);
for(x=0;x<128;x++)
OLED_WriteData(bmp_dat);
}
}
/**********************************************************************
*函数名称: OLED_Init(void)
*函数功能: OLED初始化函数
*入口参数: void
*出口参数: void
*示 例: OLED_Init( )
**********************************************************************/
void OLED_Init(void)
{
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_SET);
HAL_Delay(100);
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_RESET);
HAL_Delay(100);
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_SET);
HAL_GPIO_WritePin(CS_GPIO_Port,CS_Pin,GPIO_PIN_SET);
HAL_Delay(500);
HAL_GPIO_WritePin(CS_GPIO_Port,CS_Pin,GPIO_PIN_RESET);
OLED_WriteCmd(0xae);//--turn off oled panel
OLED_WriteCmd(0x00);//---set low column address
OLED_WriteCmd(0x10);//---set high column address
OLED_WriteCmd(0x40);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)
OLED_WriteCmd(0x81);//--set contrast control register
OLED_WriteCmd(0xcf); // Set SEG Output Current Brightness
OLED_WriteCmd(0xa1);//--Set SEG/Column Mapping 0xa0???? 0xa1??
OLED_WriteCmd(0xc8);//Set COM/Row Scan Direction 0xc0???? 0xc8??
OLED_WriteCmd(0xa6);//--set normal display
OLED_WriteCmd(0xa8);//--set multiplex ratio(1 to 64)
OLED_WriteCmd(0x3f);//--1/64 duty
OLED_WriteCmd(0xd3);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
OLED_WriteCmd(0x00);//-not offset
OLED_WriteCmd(0xd5);//--set display clock divide ratio/oscillator frequency
OLED_WriteCmd(0x80);//--set divide ratio, Set Clock as 100 Frames/Sec
OLED_WriteCmd(0xd9);//--set pre-charge period
OLED_WriteCmd(0xf1);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
OLED_WriteCmd(0xda);//--set com pins hardware configuration
OLED_WriteCmd(0x12);
OLED_WriteCmd(0xdb);//--set vcomh
OLED_WriteCmd(0x40);//Set VCOM Deselect Level
OLED_WriteCmd(0x20);//-Set Page Addressing Mode (0x00/0x01/0x02)
OLED_WriteCmd(0x02);//
OLED_WriteCmd(0x8d);//--set Charge Pump enable/disable
OLED_WriteCmd(0x14);//--set(0x10) disable
OLED_WriteCmd(0xa4);// Disable Entire Display On (0xa4/0xa5)
OLED_WriteCmd(0xa6);// Disable Inverse Display On (0xa6/a7)
OLED_WriteCmd(0xaf);//--turn on oled panel
OLED_Fill(0x00); //清屏
OLED_SetPos(0,0);
}
/**********************************************************************
*函数名称: LCD_PrintfChinese16x16( uint8_t IndexY , uint8_t IndexX ,const uint8_t pString[] ,uint8_t mode )
*函数功能: 显示16x16字符
*入口参数: IndexX页地址 IndexY列地址 pString[]显示的字符 mode显示模式
*出口参数: void
*示 例: LCD_PrintfChinese16x16( 0 , 0 ,"显示16x16字符" ,normal )
**********************************************************************/
void LCD_PrintfChinese16x16( uint8_t IndexY , uint8_t IndexX ,const uint8_t pString[] ,uint8_t mode )
{
uint8_t temp1, temp2,i;
uint16_t Code_Address;
IndexY <<= 1;
temp1 = 0;
while(pString[temp1] != '\0')
{
temp2 = 0;
Code_Address = 1;
while( INDEX_CHINESE_16x16[temp2] > 127 )
{//扫描字库中的文字
if(INDEX_CHINESE_16x16[temp2] == pString[temp1])
{
if(INDEX_CHINESE_16x16[temp2 + 1] == pString[temp1 + 1])
{
Code_Address = temp2 * 16;
break;
}
}
temp2 += 2; //每个字占2个字符
}
if(Code_Address != 1)
{//显示上半部汉字
OLED_SetPos(IndexX, IndexY);
for(i = 0; i < 16; i++)
{
if(mode==0)
{
OLED_WriteData(CODETAB_CHINESE_16x16[Code_Address]);
}
else
{
OLED_WriteData(~CODETAB_CHINESE_16x16[Code_Address]);
}
Code_Address++;
}
//显示下半部分
OLED_SetPos(IndexX,IndexY + 1);
for(i = 0;i < 16;i++)
{
if(mode==0)
{
OLED_WriteData(CODETAB_CHINESE_16x16[Code_Address]);
}
else
{
OLED_WriteData(~CODETAB_CHINESE_16x16[Code_Address]);
}
Code_Address++;
}
temp1 += 2;
}
else
{ //显示空白部分
OLED_SetPos(IndexX, IndexY);
for(i = 0;i < 16;i++)
{
OLED_WriteData(0);
}
OLED_SetPos(IndexX,IndexY + 1);
for(i = 0;i < 16;i++)
{
OLED_WriteData(0);
}
temp1+=1;
}
IndexX += 16;//更新下一个字符
}
return;
}
/**********************************************************************
*函数名称: LCD_PrintfChineseMix16x16( uint8_t IndexX , uint8_t IndexY , const uint8_t pString[] , uint8_t mode)
*函数功能: 显示16x16字符、汉字
*入口参数: IndexX页地址 IndexY列地址 pString[]显示的字符 mode显示模式
*出口参数: void
*示 例: LCD_PrintfChineseMix16x16( 0 , 0 ,"显示16x16字符ABC" ,abnormal )
**********************************************************************/
void LCD_PrintfChineseMix16x16( uint8_t IndexX , uint8_t IndexY , const uint8_t pString[] , uint8_t mode)
{
uint8_t tempStr[3];
uint8_t i = 0;
while(pString[i] != '\0')
{
if(pString[i] > 127)
{
tempStr[0] = pString[i];
tempStr[1] = pString[i + 1];
tempStr[2] = '\0'; //空格
LCD_PrintfChinese16x16(IndexX , IndexY , tempStr , mode);
IndexY += 16;
i += 2;
}
else
{
LCD_PrintfChar8x16(IndexY, IndexX, pString[i] , mode); //显示字母
IndexY += 8;
i += 1;
}
}
}
/**********************************************************************
*函数名称: LCD_PrintfChar8x16( uint8_t IndexX , uint8_t IndexY , uint8_t pData , uint8_t mode)
*函数功能: 显示8x16字幕
*入口参数: IndexX页地址 IndexY列地址 pData显示的字符 mode显示模式
*出口参数: void
*示例 :LCD_PrintfChar8x16( 0 , 0 ,"ABCDE" ,abnormal )
**********************************************************************/
void LCD_PrintfChar8x16( uint8_t IndexX , uint8_t IndexY , uint8_t pData , uint8_t mode)
{
uint8_t i;
IndexY <<= 1;
if(IndexX > 120)
{
IndexX = 0;
IndexY+=2;
}
pData = (pData-32);
OLED_SetPos(IndexX, IndexY);
for(i = 0; i < 8; i++)
{
if(mode==0)
{
OLED_WriteData((Tab_Ascii_8x16[(pData << 4) + i]));
}
else
{
OLED_WriteData((~Tab_Ascii_8x16[(pData << 4) + i]));
}
}
OLED_SetPos(IndexX, IndexY+1);
for(i = 0; i < 8; i++)
{
if(mode==0)
{
OLED_WriteData((Tab_Ascii_8x16[(pData << 4) + i + 8 ]));
}
else
{
OLED_WriteData((~Tab_Ascii_8x16[(pData << 4) + i + 8 ]));
}
}
}
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