345 lines
9.2 KiB
C
345 lines
9.2 KiB
C
/**
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******************************************************************
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* @file main.c
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* @author fire
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* @version V1.0
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* @date 2018-xx-xx
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* @brief LTDC—液晶显示中文
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******************************************************************
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* @attention
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*
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* 实验平台:野火 STM32H750开发板
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* 论坛 :http://www.firebbs.cn
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* 淘宝 :http://firestm32.taobao.com
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*
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******************************************************************
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*/
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#include "stm32h7xx.h"
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#include "main.h"
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#include "./led/bsp_led.h"
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#include "./usart/bsp_usart.h"
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#include "./sdram/bsp_sdram.h"
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#include "./lcd/bsp_lcd.h"
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#include "./touch/bsp_touch_gtxx.h"
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#include "string.h"
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#include "./delay/core_delay.h"
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void Delay(__IO uint32_t nCount);
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void LCD_Test(void);
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__IO uint8_t* qspi_addr = (__IO uint8_t*)(0x90000000);
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/**
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* @brief 主函数
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* @param 无
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* @retval 无
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*/
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int main(void)
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{
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/* 系统时钟初始化成480MHz */
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SystemClock_Config();
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/* 开启I-Cache */
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SCB_EnableICache();
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/* 开启D-Cache */
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SCB_EnableDCache();
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/* LED 端口初始化 */
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LED_GPIO_Config();
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/* 配置串口1为：115200 8-N-1 */
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UARTx_Config();
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printf("\r\n 欢迎使用野火 STM32 H750 开发板。\r\n");
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printf("\r\n野火STM32H750 LTDC液晶显示中文测试例程\r\n");
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/*蓝灯亮，表示正在读写SDRAM测试*/
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LED_BLUE;
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/* 必须先初始化触摸屏, 读取触摸芯片ID以判断不同尺寸类型的屏幕 */
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GTP_Init_ReadID();
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printf("\r\n提示：\r\n"
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"如果是4.3寸/5寸的RGB屏幕，使用的触摸芯片可能是GT1151QM。\r\n"
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"如果触摸或显示异常，请确认使用的屏幕触摸芯片型号，"
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"在“bsp_i2c_touch.h”文件修改宏定义 LCD_TOUCH_IC_GT1151QM。\r\n\r\n");
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/* LCD 端口初始化 */
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LCD_Init();
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/* LCD 第一层初始化 */
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LCD_LayerInit(0, LCD_FB_START_ADDRESS,RGB888);
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/* LCD 第二层初始化 */
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LCD_LayerInit(1, LCD_FB_START_ADDRESS+(LCD_GetXSize()*LCD_GetYSize()*4),RGB888);
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/* 使能LCD，包括开背光 */
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LCD_DisplayOn();
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/* 选择LCD第一层 */
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LCD_SelectLayer(0);
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/* 第一层清屏，显示全黑 */
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LCD_Clear(LCD_COLOR_BLACK);
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/* 选择LCD第二层 */
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LCD_SelectLayer(1);
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/* 第二层清屏，显示全黑 */
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LCD_Clear(LCD_COLOR_TRANSPARENT);
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/* 配置第一和第二层的透明度,最小值为0，最大值为255*/
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LCD_SetTransparency(0, 255);
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LCD_SetTransparency(1, 0);
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while(1)
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{
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LCD_Test();
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}
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}
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/*用于测试各种液晶的函数*/
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void LCD_Test(void)
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{
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/*演示显示变量*/
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static uint8_t testCNT = 0;
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char dispBuff[100];
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/* 选择LCD第一层 */
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LCD_SelectLayer(0);
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/* 清屏，显示全黑 */
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LCD_Clear(LCD_COLOR_BLACK);
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/*设置字体颜色及字体的背景颜色(此处的背景不是指LCD的背景层！注意区分)*/
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LCD_SetColors(LCD_COLOR_WHITE,LCD_COLOR_BLACK);
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/*选择字体*/
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LCD_SetFont(&LCD_DEFAULT_FONT);
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LCD_DisplayStringLine_EN_CH(1,(uint8_t* )"(野火5.0英寸液晶屏参数)");
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LCD_DisplayStringLine_EN_CH(2,(uint8_t* )"分辨率:800x480 像素");
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LCD_DisplayStringLine_EN_CH(3,(uint8_t* )"触摸屏:5点电容触摸屏");
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LCD_DisplayStringLine_EN_CH(4,(uint8_t* )"使用STM32-LTDC直接驱动,无需外部液晶驱动器");
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LCD_DisplayStringLine_EN_CH(5,(uint8_t* )"支持RGB888/565,24位数据总线");
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LCD_DisplayStringLine_EN_CH(6,(uint8_t* )"触摸屏使用IIC总线驱动");
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testCNT++;
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/*使用c标准库把变量转化成字符串*/
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sprintf(dispBuff,"显示变量例子: testCount = %d ",testCNT);
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LCD_ClearLine(7);
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/*设置字体颜色及字体的背景颜色(此处的背景不是指LCD的背景层！注意区分)*/
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LCD_SetColors(LCD_COLOR_WHITE,LCD_COLOR_BLACK);
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/*然后显示该字符串即可，其它变量也是这样处理*/
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LCD_DisplayStringLine_EN_CH(7,(uint8_t* )dispBuff);
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/* 画直线 */
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"画线:");
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_BLACK);
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LCD_DrawLine(50,250,750,250);
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LCD_DrawLine(50,300,750,300);
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_BLACK);
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LCD_DrawLine(300,250,400,400);
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LCD_DrawLine(600,250,600,400);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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/*画矩形*/
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"画矩形:");
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_BLACK);
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LCD_DrawRect(200,250,200,100);
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_BLACK);
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LCD_DrawRect(350,250,200,50);
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LCD_SetColors(LCD_COLOR_BLUE,LCD_COLOR_BLACK);
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LCD_DrawRect(200,350,50,200);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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/*填充矩形*/
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"填充矩形:");
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_BLACK);
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LCD_FillRect(200,250,200,100);
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_BLACK);
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LCD_FillRect(350,250,200,50);
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LCD_SetColors(LCD_COLOR_BLUE,LCD_COLOR_BLACK);
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LCD_FillRect(200,350,50,200);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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/* 画圆 */
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"画圆:");
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_RED);
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LCD_DrawCircle(200,350,50);
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_GREEN);
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LCD_DrawCircle(350,350,75);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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/*填充圆*/
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"填充圆:");
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_BLACK);
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LCD_FillCircle(300,350,50);
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_BLACK);
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LCD_FillCircle(450,350,75);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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LCD_ClearLine(8);
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/*透明效果 前景层操作*/
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LCD_SetTextColor(LCD_COLOR_BLUE);
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LCD_ClearLine(8);
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LCD_DisplayStringLine_EN_CH(8,(uint8_t* )"双层透明效果：");
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/*设置前景层不透明度*/
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LCD_SetTransparency(1, 128);
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/* 选择LCD第一层 */
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LCD_SelectLayer(1);
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/* 清屏，显示全黑 */
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LCD_Clear(LCD_COLOR_BLACK);
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/*在前景画一个红色圆*/
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LCD_SetColors(LCD_COLOR_RED,LCD_COLOR_TRANSPARENT);
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LCD_FillCircle(400,350,75);
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Delay(0x1FFFFFF);
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/*透明效果 背景层操作*/
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/* 选择LCD背景层 */
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LCD_SelectLayer(0);
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LCD_Clear(LCD_COLOR_BLACK);
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/*设置前景层不透明*/
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LCD_SetTransparency(1, 0);
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/*在背景画一个绿色圆*/
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LCD_SetColors(LCD_COLOR_GREEN,LCD_COLOR_BLACK);
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LCD_FillCircle(450,350,75);
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/*在背景画一个蓝色圆*/
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LCD_SetColors(LCD_COLOR_BLUE,LCD_COLOR_BLACK);
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LCD_FillCircle(350,350,75);
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Delay(0x1FFFFFF);
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LCD_SetColors(LCD_COLOR_BLACK,LCD_COLOR_BLACK);
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LCD_FillRect(0,200,LCD_PIXEL_WIDTH,LCD_PIXEL_HEIGHT-200);
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}
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/**
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* @brief System Clock 配置
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* system Clock 配置如下:
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* System Clock source = PLL (HSE)
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* SYSCLK(Hz) = 480000000 (CPU Clock)
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* HCLK(Hz) = 240000000 (AXI and AHBs Clock)
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* AHB Prescaler = 2
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* D1 APB3 Prescaler = 2 (APB3 Clock 120MHz)
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* D2 APB1 Prescaler = 2 (APB1 Clock 120MHz)
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* D2 APB2 Prescaler = 2 (APB2 Clock 120MHz)
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* D3 APB4 Prescaler = 2 (APB4 Clock 120MHz)
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* HSE Frequency(Hz) = 25000000
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* PLL_M = 5
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* PLL_N = 192
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* PLL_P = 2
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* PLL_Q = 4
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* PLL_R = 2
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* VDD(V) = 3.3
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* Flash Latency(WS) = 4
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* @param None
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* @retval None
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*/
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/**
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* @brief System Clock Configuration
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* @retval None
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*/
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
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/** 启用电源配置更新
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*/
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HAL_PWREx_ConfigSupply(PWR_LDO_SUPPLY);
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/** 配置主内稳压器输出电压
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*/
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE0);
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while(!__HAL_PWR_GET_FLAG(PWR_FLAG_VOSRDY)) {}
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/** 初始化CPU、AHB和APB总线时钟
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLM = 5;
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RCC_OscInitStruct.PLL.PLLN = 192;
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RCC_OscInitStruct.PLL.PLLP = 2;
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RCC_OscInitStruct.PLL.PLLQ = 2;
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RCC_OscInitStruct.PLL.PLLR = 2;
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RCC_OscInitStruct.PLL.PLLRGE = RCC_PLL1VCIRANGE_2;
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RCC_OscInitStruct.PLL.PLLVCOSEL = RCC_PLL1VCOWIDE;
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RCC_OscInitStruct.PLL.PLLFRACN = 0;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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while(1);
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}
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/** 初始化CPU、AHB和APB总线时钟
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
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|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2
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|RCC_CLOCKTYPE_D3PCLK1|RCC_CLOCKTYPE_D1PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.SYSCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB3CLKDivider = RCC_APB3_DIV2;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV2;
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RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV2;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
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{
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while(1);
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}
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}
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void Delay(__IO uint32_t nCount) //简单的延时函数
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{
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for(; nCount != 0; nCount--);
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}
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/****************************END OF FILE***************************/
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