超声测距-基于STM32实现的超声波测距项目-附项目源码-优质项目实战.zip

#include "bsp_ili9341_lcd.h" #include "ascii.h" static void ILI9341_Delay ( __IO uint32_t nCount ); static void ILI9341_GPIO_Config ( void ); static void ILI9341_FSMC_Config ( void ); static void ILI9341_REG_Config ( void ); static void ILI9341_SetCursor ( uint16_t usX, uint16_t usY ); static __inline void ILI9341_FillColor ( uint32_t ulAmout_Point, uint16_t usColor ); static uint16_t ILI9341_Read_PixelData ( void ); /** * @brief 向ILI9341写入命令 * @param usCmd :要写入的命令（表寄存器地址） * @retval 无 */ __inline void ILI9341_Write_Cmd ( uint16_t usCmd ) { * ( __IO uint16_t * ) ( macFSMC_Addr_ILI9341_CMD ) = usCmd; } /** * @brief 向ILI9341写入数据 * @param usData :要写入的数据 * @retval 无 */ __inline void ILI9341_Write_Data ( uint16_t usData ) { * ( __IO uint16_t * ) ( macFSMC_Addr_ILI9341_DATA ) = usData; } /** * @brief 从ILI9341读取数据 * @param 无 * @retval 读取到的数据 */ __inline uint16_t ILI9341_Read_Data ( void ) { return ( * ( __IO uint16_t * ) ( macFSMC_Addr_ILI9341_DATA ) ); } /** * @brief 用于 ILI9341 简单延时函数 * @param nCount ：延时计数值 * @retval 无 */ static void ILI9341_Delay ( __IO uint32_t nCount ) { for ( ; nCount != 0; nCount -- ); } /** * @brief 初始化ILI9341的IO引脚 * @param 无 * @retval 无 */ static void ILI9341_GPIO_Config ( void ) { GPIO_InitTypeDef GPIO_InitStructure; /* 使能复用IO时钟*/ RCC_APB2PeriphClockCmd ( RCC_APB2Periph_AFIO, ENABLE ); /* 使能FSMC对应相应管脚时钟*/ RCC_APB2PeriphClockCmd ( RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE, ENABLE ); /* 配置FSMC相对应的数据线,FSMC-D0~D15: PD 14 15 0 1,PE 7 8 9 10 11 12 13 14 15,PD 8 9 10 */ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | GPIO_Pin_15; GPIO_Init ( GPIOD, & GPIO_InitStructure ); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15; GPIO_Init ( GPIOE, & GPIO_InitStructure ); /* 配置FSMC相对应的控制线 * PD4-FSMC_NOE :LCD-RD * PD5-FSMC_NWE :LCD-WR * PD7-FSMC_NE1 :LCD-CS * PD11-FSMC_A16 :LCD-DC */ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; GPIO_Init (GPIOD, & GPIO_InitStructure ); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; GPIO_Init (GPIOD, & GPIO_InitStructure ); macILI9341_CS_APBxClock_FUN ( macILI9341_CS_CLK, ENABLE ); GPIO_InitStructure.GPIO_Pin = macILI9341_CS_PIN; GPIO_Init ( macILI9341_CS_PORT, & GPIO_InitStructure ); macILI9341_DC_APBxClock_FUN ( macILI9341_DC_CLK, ENABLE ); GPIO_InitStructure.GPIO_Pin = macILI9341_DC_PIN; GPIO_Init ( macILI9341_DC_PORT, & GPIO_InitStructure ); /* 配置LCD复位RST控制管脚*/ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; macILI9341_RST_APBxClock_FUN ( macILI9341_RST_CLK, ENABLE ); GPIO_InitStructure.GPIO_Pin = macILI9341_RST_PIN; GPIO_Init ( macILI9341_RST_PORT, & GPIO_InitStructure ); /* 配置LCD背光控制管脚BK*/ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; macILI9341_BK_APBxClock_FUN ( macILI9341_BK_CLK, ENABLE ); GPIO_InitStructure.GPIO_Pin = macILI9341_BK_PIN; GPIO_Init ( macILI9341_BK_PORT, & GPIO_InitStructure ); } /** * @brief LCD FSMC 模式配置 * @param 无 * @retval 无 */ static void ILI9341_FSMC_Config ( void ) { FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; FSMC_NORSRAMTimingInitTypeDef p; /* 使能FSMC时钟*/ RCC_AHBPeriphClockCmd ( RCC_AHBPeriph_FSMC, ENABLE ); p.FSMC_AddressSetupTime = 0x02; //地址建立时间 p.FSMC_AddressHoldTime = 0x00; //地址保持时间 p.FSMC_DataSetupTime = 0x05; //数据建立时间 p.FSMC_BusTurnAroundDuration = 0x00; p.FSMC_CLKDivision = 0x00; p.FSMC_DataLatency = 0x00; p.FSMC_AccessMode = FSMC_AccessMode_B; //模式B比较适用于ILI9341 FSMC_NORSRAMInitStructure.FSMC_Bank = macFSMC_Bank1_NORSRAMx; FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; //FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM; FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR; FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b; FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable; FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = & p; FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = & p; FSMC_NORSRAMInit ( & FSMC_NORSRAMInitStructure ); /* 使能 FSMC_Bank1_NORSRAM4 */ FSMC_NORSRAMCmd ( macFSMC_Bank1_NORSRAMx, ENABLE ); } /** * @brief 初始化ILI9341寄存器 * @param 无 * @retval 无 */ static void ILI9341_REG_Config ( void ) { /* Power control B (CFh) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xCF ); ILI9341_Write_Data ( 0x00 ); ILI9341_Write_Data ( 0x81 ); ILI9341_Write_Data ( 0x30 ); /* Power on sequence control (EDh) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xED ); ILI9341_Write_Data ( 0x64 ); ILI9341_Write_Data ( 0x03 ); ILI9341_Write_Data ( 0x12 ); ILI9341_Write_Data ( 0x81 ); /* Driver timing control A (E8h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xE8 ); ILI9341_Write_Data ( 0x85 ); ILI9341_Write_Data ( 0x10 ); ILI9341_Write_Data ( 0x78 ); /* Power control A (CBh) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xCB ); ILI9341_Write_Data ( 0x39 ); ILI9341_Write_Data ( 0x2C ); ILI9341_Write_Data ( 0x00 ); ILI9341_Write_Data ( 0x34 ); ILI9341_Write_Data ( 0x02 ); /* Pump ratio control (F7h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xF7 ); ILI9341_Write_Data ( 0x20 ); /* Driver timing control B */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xEA ); ILI9341_Write_Data ( 0x00 ); ILI9341_Write_Data ( 0x00 ); /* Frame Rate Control (In Normal Mode/Full Colors) (B1h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xB1 ); ILI9341_Write_Data ( 0x00 ); ILI9341_Write_Data ( 0x1B ); /* Display Function Control (B6h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xB6 ); ILI9341_Write_Data ( 0x0A ); ILI9341_Write_Data ( 0xA2 ); /* Power Control 1 (C0h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xC0 ); ILI9341_Write_Data ( 0x35 ); /* Power Control 2 (C1h) */ macDEBUG_DELAY (); ILI9341_Write_Cmd ( 0xC1 ); ILI9341_Write_Data ( 0x11 ); /* VCOM Control 1 (C5h) */ ILI9341_Write_Cmd ( 0xC5 ); ILI9341_Write_Data ( 0x45 ); ILI9341_Write_Data ( 0x45 ); /* VCOM Control 2 (C7h) */ ILI9341_Write_Cmd ( 0xC7 ); ILI9341_Write_Data ( 0xA2 ); /* Enable 3G (F2h) */ ILI9341_Write_Cmd ( 0xF2 ); ILI9341_Write_Data ( 0x00 ); /* Gamma Set (26h) */ ILI9341_Write_Cmd ( 0x26 ); ILI9341_Write_Data ( 0x01 ); macDEBUG_DELAY (); /* Positive Gamma Correction */ ILI9341_Write_Cmd ( 0xE0 ); //Set Gamma ILI9341_Write_Data ( 0x0F ); ILI9341_Writ