#ifndef HW_LIB_ST7735_H #define HW_LIB_ST7735_H #ifdef __cplusplus extern "C" { #endif #define WHITE 0xFFFF #define BLACK 0x0000 #define BLUE 0x001F #define BRED 0XF81F #define GRED 0XFFE0 #define GBLUE 0X07FF #define RED 0xF800 #define MAGENTA 0xF81F #define GREEN 0x07E0 #define CYAN 0x7FFF #define YELLOW 0xFFE0 #define BROWN 0XBC40 //棕色 #define BRRED 0XFC07 //棕红色 #define GRAY 0X8430 //灰色 #define DARKBLUE 0X01CF //深蓝色 #define LIGHTBLUE 0X7D7C //浅蓝色 #define GRAYBLUE 0X5458 //灰蓝色 /** * @brief ST7735 Registers */ #define ST7735_NOP 0x00U /* No Operation: NOP */ #define ST7735_SW_RESET 0x01U /* Software reset: SWRESET */ #define ST7735_READ_ID 0x04U /* Read Display ID: RDDID */ #define ST7735_READ_STATUS 0x09U /* Read Display Statu: RDDST */ #define ST7735_READ_POWER_MODE 0x0AU /* Read Display Power: RDDPM */ #define ST7735_READ_MADCTL 0x0BU /* Read Display: RDDMADCTL */ #define ST7735_READ_PIXEL_FORMAT 0x0CU /* Read Display Pixel: RDDCOLMOD */ #define ST7735_READ_IMAGE_MODE 0x0DU /* Read Display Image: RDDIM */ #define ST7735_READ_SIGNAL_MODE 0x0EU /* Read Display Signal: RDDSM */ #define ST7735_SLEEP_IN 0x10U /* Sleep in & booster off: SLPIN */ #define ST7735_SLEEP_OUT 0x11U /* Sleep out & booster on: SLPOUT */ #define ST7735_PARTIAL_DISPLAY_ON 0x12U /* Partial mode on: PTLON */ #define ST7735_NORMAL_DISPLAY_OFF 0x13U /* Partial off (Normal): NORON */ #define ST7735_DISPLAY_INVERSION_OFF 0x20U /* Display inversion off: INVOFF */ #define ST7735_DISPLAY_INVERSION_ON 0x21U /* Display inversion on: INVON */ #define ST7735_GAMMA_SET 0x26U /* Gamma curve select: GAMSET */ #define ST7735_DISPLAY_OFF 0x28U /* Display off: DISPOFF */ #define ST7735_DISPLAY_ON 0x29U /* Display on: DISPON */ #define ST7735_CASET 0x2AU /* Column address set: CASET */ #define ST7735_RASET 0x2BU /* Row address set: RASET */ #define ST7735_WRITE_RAM 0x2CU /* Memory write: RAMWR */ #define ST7735_RGBSET 0x2DU /* LUT for 4k,65k,262k color: RGBSET */ #define ST7735_READ_RAM 0x2EU /* Memory read: RAMRD */ #define ST7735_PTLAR 0x30U /* Partial start/end address set: PTLAR */ #define ST7735_TE_LINE_OFF 0x34U /* Tearing effect line off: TEOFF */ #define ST7735_TE_LINE_ON 0x35U /* Tearing effect mode set & on: TEON */ #define ST7735_MADCTL 0x36U /* Memory data access control: MADCTL */ #define ST7735_IDLE_MODE_OFF 0x38U /* Idle mode off: IDMOFF */ #define ST7735_IDLE_MODE_ON 0x39U /* Idle mode on: IDMON */ #define ST7735_COLOR_MODE 0x3AU /* Interface pixel format: COLMOD */ #define ST7735_FRAME_RATE_CTRL1 0xB1U /* In normal mode (Full colors): FRMCTR1 */ #define ST7735_FRAME_RATE_CTRL2 0xB2U /* In Idle mode (8-colors): FRMCTR2 */ #define ST7735_FRAME_RATE_CTRL3 0xB3U /* In partial mode + Full colors: FRMCTR3 */ #define ST7735_FRAME_INVERSION_CTRL 0xB4U /* Display inversion control: INVCTR */ #define ST7735_DISPLAY_SETTING 0xB6U /* Display function setting */ #define ST7735_PWR_CTRL1 0xC0U /* Power control setting: PWCTR1 */ #define ST7735_PWR_CTRL2 0xC1U /* Power control setting: PWCTR2 */ #define ST7735_PWR_CTRL3 0xC2U /* In normal mode (Full colors): PWCTR3 */ #define ST7735_PWR_CTRL4 0xC3U /* In Idle mode (8-colors): PWCTR4 */ #define ST7735_PWR_CTRL5 0xC4U /* In partial mode + Full colors: PWCTR5 */ #define ST7735_VCOMH_VCOML_CTRL1 0xC5U /* VCOM control 1: VMCTR1 */ #define ST7735_VMOF_CTRL 0xC7U /* Set VCOM offset control: VMOFCTR */ #define ST7735_WRID2 0xD1U /* Set LCM version code: WRID2 */ #define ST7735_WRID3 0xD2U /* Customer Project code: WRID3 */ #define ST7735_NV_CTRL1 0xD9U /* NVM control status: NVCTR1 */ #define ST7735_READ_ID1 0xDAU /* Read ID1: RDID1 */ #define ST7735_READ_ID2 0xDBU /* Read ID2: RDID2 */ #define ST7735_READ_ID3 0xDCU /* Read ID3: RDID3 */ #define ST7735_NV_CTRL2 0xDEU /* NVM Read Command: NVCTR2 */ #define ST7735_NV_CTRL3 0xDFU /* NVM Write Command: NVCTR3 */ #define ST7735_PV_GAMMA_CTRL 0xE0U /* Set Gamma adjustment (+ polarity): GAMCTRP1 */ #define ST7735_NV_GAMMA_CTRL 0xE1U /* Set Gamma adjustment (- polarity): GAMCTRN1 */ #define ST7735_EXT_CTRL 0xF0U /* Extension command control */ #define ST7735_PWR_CTRL6 0xFCU /* In partial mode + Idle mode: PWCTR6 */ #define ST7735_VCOM4_LEVEL 0xFFU /* VCOM 4 level control */ /** * @brief ST7735 ID */ #define ST7735_ID 0x5CU /** * @brief ST7735 1.8 inch Size */ #define ST7735_1_8_WIDTH 128U #define ST7735_1_8_HEIGHT 160U /** * @brief ST7735 0.9 inch Size */ #define ST7735_0_9_WIDTH 80U #define ST7735_0_9_HEIGHT 160U /** * @brief LCD_OrientationTypeDef * Possible values of Display Orientation */ #define ST7735_ORIENTATION_PORTRAIT 0x00U /* 液晶屏纵向选择 */ #define ST7735_ORIENTATION_PORTRAIT_ROT180 0x01U /* 纵向旋转 180° 方向 液晶屏选择 */ #define ST7735_ORIENTATION_LANDSCAPE 0x02U /* 液晶屏横向选择 */ #define ST7735_ORIENTATION_LANDSCAPE_ROT180 0x03U /* 横向旋转 180° 方向 液晶屏选择 */ /** * @brief Possible values of pixel data format (ie color coding) */ #define ST7735_FORMAT_RBG444 0x03U /* Pixel format chosen is RGB444 : 12 bpp */ #define ST7735_FORMAT_RBG565 0x05U /* Pixel format chosen is RGB565 : 16 bpp */ #define ST7735_FORMAT_RBG666 0x06U /* Pixel format chosen is RGB666 : 18 bpp */ #define ST7735_FORMAT_DEFAULT ST7735_FORMAT_RBG565 /** * @brief LCD_Type_Define */ #define ST7735_1_8_inch_screen 0x00U #define ST7735_0_9_inch_screen 0x01U #define ST7735_1_8a_inch_screen 0x02U /** * @brief LCD_Panel */ #define HannStar_Panel 0x00U #define BOE_Panel 0x01U /** * @brief LCD RGB or BGR */ #define ST7735_RGB 0x00U #define ST7735_BGR 0x08U #define ST7735_DELAY 120 #define ST7735_PANEL HannStar_Panel #define ST7735_TYPE ST7735_0_9_inch_screen #if ST7735_TYPE == ST7735_0_9_inch_screen //0.96 ST7735 #if ST7735_PANEL == HannStar_Panel #define ST7735_X_OFFSET 26 #define ST7735_Y_OFFSET 1 #else //BOE Panel #define ST7735_X_OFFSET 24 #define ST7735_Y_OFFSET 0 #endif #endif #if ST7735_TYPE == ST7735_1_8a_inch_screen #if ST7735_PANEL == BOE_Panel #define ST7735_X_OFFSET 2 #define ST7735_Y_OFFSET 1 #endif #endif #if ST7735_PANEL == HannStar_Panel #define ST7735_DIR_MASK(dir) st7735dirTab[dir][1] | ST7735_BGR; #else #define ST7735_DIR_MASK(dir) st7735dirTab[dir][1] | ST7735_RGB; #endif const uint8_t st7735initcmd[] = { 0x81, ST7735_SW_RESET, 0x81, ST7735_SW_RESET, 2, ST7735_SLEEP_OUT, 0x00, 4, ST7735_FRAME_RATE_CTRL1, 0x01, 0x2C, 0x2D, 4, ST7735_FRAME_RATE_CTRL2, 0x01, 0x2C, 0X2D, 7, ST7735_FRAME_RATE_CTRL3, 0x01, 0x2C, 0x2D, 0x01, 0x2C, 0x2D, 2, ST7735_FRAME_INVERSION_CTRL, 0x07, 4, ST7735_PWR_CTRL1, 0xA2, 0x02, 0x84, 2, ST7735_PWR_CTRL2, 0xC5, 3, ST7735_PWR_CTRL3, 0x0A, 0X00, 3, ST7735_PWR_CTRL4, 0x8A, 0x2A, 3, ST7735_PWR_CTRL5, 0x8A, 0xEE, 2, ST7735_VCOMH_VCOML_CTRL1, 0x0E, 1, ST7735_DISPLAY_INVERSION_ON,//HannStar_Panel // 1,ST7735_DISPLAY_INVERSION_OFF,//BOE_Panel 2, ST7735_COLOR_MODE, ST7735_FORMAT_RBG565, 17, ST7735_PV_GAMMA_CTRL, 0x02, 0x1C, 0x07U, 0x12U, 0x37U, 0x32U, 0x29U, 0x2DU, 0x29U, 0x25U, 0x2BU, 0x39U, 0x00U, 0x01U, 0x03U, 0x10U, 17, ST7735_NV_GAMMA_CTRL, 0x03, 0x1DU, 0x07U, 0x06U, 0x2EU, 0x2CU, 0x29U, 0x2DU, 0x2EU, 0x2EU, 0x37U, 0x3FU, 0x00U, 0x00U, 0x02U, 0x10U, 2, ST7735_DISPLAY_OFF, 0x00, 2, ST7735_DISPLAY_ON, 0x00 }; const uint8_t st7735dirTab[4][2] = { {0x40U, 0xC0U}, /* 液晶屏纵向选择 */ {0x80U, 0x00U}, /* 液晶屏纵向旋转 180° 方向选择 */ {0x20U, 0x60U}, /* 液晶屏横向选择 */ {0xE0U, 0xA0U}, /* 液晶屏横向旋转 180° 方向选择 */ }; #define ST7735_ReadID(dev, id) do{\ if (dev->id==ST7735_ID){ \ uint8_t tmp[3] = {};\ dev->writeReg(ST7735_READ_ID1,&tmp[0],1);\ dev->writeReg(ST7735_READ_ID2,&tmp[1],1);\ dev->writeReg(ST7735_READ_ID3,&tmp[2],1);\ id = ((uint32_t) tmp[2]) << 0 | ((uint32_t) tmp[1]) << 8 | ((uint32_t) tmp[0]) << 16;}\ }while(0) #if ST7735_TYPE == ST7735_0_9_inch_screen #define ST7735_SetDir(dev, dir) do{\ if (dev->id==ST7735_ID){ \ if((dir == ST7735_ORIENTATION_PORTRAIT) || (dir == ST7735_ORIENTATION_PORTRAIT_ROT180))\ {\ dev->width = ST7735_0_9_WIDTH;\ dev->height = ST7735_0_9_HEIGHT;\ }\ else\ {\ dev->width = ST7735_0_9_HEIGHT;\ dev->height = ST7735_0_9_WIDTH;\ } \ tmp = ST7735_DIR_MASK(dir);\ dev->writeReg(ST7735_MADCTL,&tmp,1);} \ }while(0) #endif #if ST7735_TYPE == ST7735_1_8_inch_screen || ST7735_TYPE == ST7735_1_8a_inch_screen #define ST7735_SetDir(dev,dir) do{\ if (dev->id==ST7735_ID){\ if((dir == ST7735_ORIENTATION_PORTRAIT) || (dir == ST7735_ORIENTATION_PORTRAIT_ROT180))\ {\ dev->width = ST7735_1_8_WIDTH;\ dev->height = ST7735_1_8_HEIGHT;\ }\ else\ {\ dev->width = ST7735_1_8_HEIGHT;\ dev->height = ST7735_1_8_WIDTH;\ }\ }\ }while(0) #endif #define ST7735_OFFSET(dev, x, y) do{ \ if (dev->id==ST7735_ID){\ if (dev->dir <= LONGITUDINAL_180) { \ x += ST7735_X_OFFSET;\ y += ST7735_Y_OFFSET;\ } else {\ x += ST7735_Y_OFFSET;\ y += ST7735_X_OFFSET;\ }\ }\ }while(0) #define ST7735_ReadRam(dev, rec) do{ \ if(dev->id==ST7735_ID){ \ dev->readReg(ST7735_READ_RAM,&tmp,1);\ dev->recvData(&tmp,1);\ dev->recvData(&pixel_lsb,1);\ dev->recvData(&pixel_msb,1);\ rec.color=((uint32_t)(pixel_lsb)) + ((uint32_t)(pixel_msb) << 8);\ }\ }while(0) #ifdef __cplusplus } #endif #endif //HW_LIB_ST7735_H