液晶显示屏在人机界面中，有着重要的地位，因为大部分信息由人的视觉系统处理。
此液晶的主控器为ss1289SSD1289控制器资料.pdf
其中寄存器 R25h：帧频率控制 我在文档中怎么也找不到
准备软件 cubeMX和库stm32cubel0_1.30.zip
下面使用cubeMX建立工程
完成库的安装
新工程
配置好管脚
配置时钟
工程设置
产生工程代码
初始化管脚后的工程框架就完成了，液晶屏显示相关代码就要靠自己了
/**
******************************************************************************
* File Name : main.c
* Description : Main program body
******************************************************************************
*
* COPYRIGHT(c) 2015 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32l0xx_hal.h"
/* USER CODE BEGIN Includes */
#include "pic3.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
//PB0---PB7 低8位 PB8---PB15 高8位 PC6---RD PC7---WR PC8---RS PC9---CS PC5 =RESET
#define Set_Cs HAL_GPIO_WritePin( GPIOC, GPIO_PIN_9, GPIO_PIN_SET);
#define Clr_Cs HAL_GPIO_WritePin( GPIOC, GPIO_PIN_9, GPIO_PIN_RESET);
#define Set_Rs HAL_GPIO_WritePin( GPIOC, GPIO_PIN_8, GPIO_PIN_SET);
#define Clr_Rs HAL_GPIO_WritePin( GPIOC, GPIO_PIN_8, GPIO_PIN_RESET);
#define Set_nWr HAL_GPIO_WritePin( GPIOC, GPIO_PIN_7, GPIO_PIN_SET);
#define Clr_nWr HAL_GPIO_WritePin( GPIOC, GPIO_PIN_7, GPIO_PIN_RESET);
#define Set_nRd HAL_GPIO_WritePin( GPIOC, GPIO_PIN_6, GPIO_PIN_SET);
#define Clr_nRd HAL_GPIO_WritePin( GPIOC, GPIO_PIN_6, GPIO_PIN_RESET);
#define Set_RESET HAL_GPIO_WritePin( GPIOC, GPIO_PIN_5, GPIO_PIN_SET);
#define Clr_RESET HAL_GPIO_WritePin( GPIOC, GPIO_PIN_5, GPIO_PIN_RESET);
#define RED 0XF800
#define GREEN 0X07E0
#define BLUE 0X001F
#define WHITE 0XFFFF
#define BLACK 0X0000
#define YELLOW 0XFFE0
#define ORANGE 0XFC08
#define GRAY 0X8430
#define LGRAY 0XC618
#define DARKGRAY 0X8410
#define PORPO 0X801F
#define PINK 0XF81F
#define GRAYBLUE 0X5458
#define LGRAYBLUE 0XA651
#define DARKBLUE 0X01CF
#define LIGHTBLUE 0X7D7C
#define Line0 0
#define Line1 24
#define Line2 48
#define Line3 72
#define Line4 96
#define Line5 120
#define Line6 144
#define Line7 168
#define Line8 192
#define Line9 216
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
void Lcd_Write_Com( int DH);
void Lcd_Write_DATA(int DH);
void Lcd_Init(void);
void Lcd_Write_Com_Data( unsigned int com1,unsigned int dat1);
void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2);
//void Pant(uint32_t color);
void Pant();
/* 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();
/* USER CODE BEGIN 2 */
Lcd_Init();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
// Lcd_Init();
// Pant(0xf800); //红色
// HAL_Delay(1000);
// Pant(0X07E0); //绿色
// HAL_Delay(1000);
// Pant(0x001f); //蓝色
// HAL_Delay(1000);
Pant();
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
__PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4;
RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__GPIOC_CLK_ENABLE();
__GPIOH_CLK_ENABLE();
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
/*Configure GPIO pin : B1_Pin */
GPIO_InitStruct.Pin = B1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : USART_TX_Pin USART_RX_Pin */
GPIO_InitStruct.Pin = USART_TX_Pin|USART_RX_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_USART2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : LD2_Pin */
GPIO_InitStruct.Pin = LD2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
HAL_GPIO_Init(LD2_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : PC5 PC6 PC7 PC8
PC9 */
GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8
|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : PB0 PB1 PB2 PB10
PB11 PB12 PB13 PB14
PB15 PB3 PB4 PB5
PB6 PB7 PB8 PB9 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_10
|GPIO_PIN_11|GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14
|GPIO_PIN_15|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5
|GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
void Lcd_Write_Com( int DH) //??
{
Clr_Rs ;
Clr_Cs;
GPIOB->ODR=DH;
Clr_nWr;
Set_nWr;
Set_Cs;
}
void Lcd_Write_DATA(int DH) //??
{
Set_Rs ;
Clr_Cs;
GPIOB->ODR=DH;
Clr_nWr;
Set_nWr;
Clr_Cs;
}
void Lcd_Write_Com_Data( unsigned int com1,unsigned int dat1)
{
Lcd_Write_Com(com1);
Lcd_Write_DATA(dat1);
}
void Address_set(unsigned int x1,unsigned int y1,unsigned int x2,unsigned int y2)
{
Lcd_Write_Com_Data(0x0044,(x2<<8)+x1); //水平RAM地址位置
Lcd_Write_Com_Data(0x0045,y1); //垂直RAM开始位置
Lcd_Write_Com_Data(0x0046,y2); //垂直RAM结束位置
Lcd_Write_Com_Data(0x004e,x1); //设置X计数
Lcd_Write_Com_Data(0x004f,y1); //设置Y计数
Lcd_Write_Com(0x0022);
}
void Lcd_Init(void)
{
Set_RESET;
HAL_Delay(5);
Clr_RESET;
HAL_Delay(10);
Set_RESET;
Set_Cs;
Set_nRd;
Set_nWr;
HAL_Delay(20);
Lcd_Write_Com_Data(0x0000,0x0001); HAL_Delay(1); //打开晶振
Lcd_Write_Com_Data(0x0003,0xA8A4); HAL_Delay(1);
Lcd_Write_Com_Data(0x000C,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x000D,0x080C); HAL_Delay(1);
Lcd_Write_Com_Data(0x000E,0x2B00); HAL_Delay(1);
Lcd_Write_Com_Data(0x001E,0x00B7); HAL_Delay(1);
Lcd_Write_Com_Data(0x0001,0x2B3F); HAL_Delay(1); //驱动输出控制320*240 0x6B3F 293F 2B3F 6B3F 7A3F
Lcd_Write_Com_Data(0x0002,0x0600); HAL_Delay(1);
Lcd_Write_Com_Data(0x0010,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0011,0x6070); HAL_Delay(1); //0x4030 //?????? 16??
Lcd_Write_Com_Data(0x0005,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0006,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0016,0xEF1C); HAL_Delay(1); //设置每行有效像素的数目。每行有效像素数等于到XL[7:0]+1
Lcd_Write_Com_Data(0x0017,0x0003); HAL_Delay(1);
Lcd_Write_Com_Data(0x0007,0x0233); HAL_Delay(1); //0x0233
Lcd_Write_Com_Data(0x000B,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x000F,0x0000); HAL_Delay(1); //??????
Lcd_Write_Com_Data(0x0041,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0042,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0048,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0049,0x013F); HAL_Delay(1);
Lcd_Write_Com_Data(0x004A,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x004B,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0044,0xEF00); HAL_Delay(1);
Lcd_Write_Com_Data(0x0045,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0046,0x013F); HAL_Delay(1);
Lcd_Write_Com_Data(0x0030,0x0707); HAL_Delay(1);
Lcd_Write_Com_Data(0x0031,0x0204); HAL_Delay(1);
Lcd_Write_Com_Data(0x0032,0x0204); HAL_Delay(1);
Lcd_Write_Com_Data(0x0033,0x0502); HAL_Delay(1);
Lcd_Write_Com_Data(0x0034,0x0507); HAL_Delay(1);
Lcd_Write_Com_Data(0x0035,0x0204); HAL_Delay(1);
Lcd_Write_Com_Data(0x0036,0x0204); HAL_Delay(1);
Lcd_Write_Com_Data(0x0037,0x0502); HAL_Delay(1);
Lcd_Write_Com_Data(0x003A,0x0302); HAL_Delay(1);
Lcd_Write_Com_Data(0x003B,0x0302); HAL_Delay(1);
Lcd_Write_Com_Data(0x0023,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x0024,0x0000); HAL_Delay(1);
Lcd_Write_Com_Data(0x004f,0); //X计数0
Lcd_Write_Com_Data(0x004e,0); //Y计数0
Lcd_Write_Com(0x0022); //写到图像RAM
}
void Pant()
//void Pant(uint32_t color)
{
uint32_t i,j;
Address_set(0,0,239,319);
for(i=0;i<320;i++)
{
for (j=0;j<240;j++)
{
if(i>279)Lcd_Write_DATA(0x0000);
else if(i>239)Lcd_Write_DATA(0x001f);
else if(i>199)Lcd_Write_DATA(0x07e0);
else if(i>159)Lcd_Write_DATA(0x07ff);
else if(i>119)Lcd_Write_DATA(0xf800);
else if(i>79)Lcd_Write_DATA(0xf81f);
else if(i>39)Lcd_Write_DATA(0xffe0);
else Lcd_Write_DATA(0xffff);
}
}
}
void LCD_Picture(unsigned int xs,unsigned int ys,unsigned int xe,unsigned int ye)
{
uint32_t temp;
Address_set(xs,ys,xe,ye);
for(temp=0;temp<(xe-xs+1)*(ye-ys+1);temp++)
Lcd_Write_DATA(((uint16_t)gImage_PIC3[2*temp]<<8)+gImage_PIC3[2*temp+1]);
}
void LCD_SetCursor(uint16_t Xpos, uint16_t Ypos)
{
Lcd_Write_Com_Data(0X004E, Xpos);
Lcd_Write_Com_Data(0X004F, Ypos);
}
void LCD_SetWindow(uint16_t xs,uint16_t ys,uint16_t xe,uint16_t ye)
{
if(xe > 239 || ye > 319) return;
else //竖屏
{
Lcd_Write_Com_Data(0x0044,xs+(xe<<8));
Lcd_Write_Com_Data(0x0045,ys);
Lcd_Write_Com_Data(0x0046,ye);
}
}
/* USER CODE END 4 */
#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
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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