mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2025-01-25 17:27:25 +08:00
294 lines
7.2 KiB
C
294 lines
7.2 KiB
C
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#include "lcd.h"
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#include "rttlogo.h"
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#include "font.h"
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// #define DRV_DEBUG
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#define LOG_TAG "spi.lcd"
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#include <drv_log.h>
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#define LCD_SPI_DEVICE_NAME "spi40"
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#define LCD_PWM_DEV_NAME "pwm1"
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#define LCD_PWM_DEV_CHANNEL (2)
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#define LCD_PWM_DEV_TIME (10000)//pwm frequency:100K = 10000ns
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#define WR_RS_PIN GET_PIN(E, 13)
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#define CS_PIN GET_PIN(E, 11)
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//SPI<50><49>ʾ<EFBFBD><CABE><EFBFBD>ӿ<EFBFBD>
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//LCD_RS
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#define LCD_RS_SET rt_pin_write(WR_RS_PIN, PIN_HIGH)
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#define LCD_RS_RESET rt_pin_write(WR_RS_PIN, PIN_LOW)
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//LCD_CS
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#define LCD_CS_SET rt_pin_write(CS_PIN, PIN_HIGH)
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#define LCD_CS_RESET rt_pin_write(CS_PIN, PIN_LOW)
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static int32_t lcd_init(void);
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static int32_t lcd_writereg(uint8_t reg,uint8_t* pdata,uint32_t length);
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static int32_t lcd_readreg(uint8_t reg,uint8_t* pdata);
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static int32_t lcd_senddata(uint8_t* pdata,uint32_t length);
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static int32_t lcd_recvdata(uint8_t* pdata,uint32_t length);
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ST7735_IO_t st7735_pIO = {
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lcd_init,
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RT_NULL,
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RT_NULL,
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lcd_writereg,
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lcd_readreg,
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lcd_senddata,
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lcd_recvdata,
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RT_NULL
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};
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ST7735_Object_t st7735_pObj;
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uint32_t st7735_id;
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static struct rt_spi_device *spi_dev_lcd;
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static struct rt_device_pwm *lcd_pwm_dev;
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static uint32_t NowBrightness;
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extern unsigned char WeActStudiologo[];
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#ifdef DRV_DEBUG
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#ifdef FINSH_USING_MSH
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static int show_logo(int argc, char **argv)
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{
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uint8_t text[20];
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// ST7735_LCD_Driver.ReadID(&st7735_pObj,&st7735_id);
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// LCD_Light(LCD_PWM_DEV_TIME, 300);
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ST7735_LCD_Driver.DrawBitmap(&st7735_pObj,0,0,WeActStudiologo);
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LCD_SetBrightness(LCD_PWM_DEV_TIME-1);
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rt_thread_mdelay(1000);
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// LCD_SetBrightness(0);
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// ST7735_LCD_Driver.FillRect(&st7735_pObj,0,0,160,80,BLACK);
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// sprintf((char *)&text,"WeAct Studio");
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// LCD_ShowString(4,4,160,16,16,text);
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// sprintf((char *)&text,"STM32H7xx 0x%X",HAL_GetDEVID());
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// LCD_ShowString(4,22,160,16,16,text);
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// sprintf((char *)&text,"LCD ID: 0x%X",st7735_id);
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// LCD_ShowString(4,40,160,16,16,text);
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return 0;
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}
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MSH_CMD_EXPORT(show_logo, show logo);
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#endif /* FINSH_USING_MSH */
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#endif /* DRV_DEBUG */
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static int LCD_Init(void)
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{
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rt_pin_mode(WR_RS_PIN, PIN_MODE_OUTPUT);
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rt_pin_mode(CS_PIN, PIN_MODE_OUTPUT);
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spi_dev_lcd = (struct rt_spi_device *)rt_device_find(LCD_SPI_DEVICE_NAME);
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if (!spi_dev_lcd)
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{
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LOG_E("tft-lcd init failed! can't find %s device!\n", LCD_SPI_DEVICE_NAME);
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return -RT_ERROR;
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}
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ST7735_RegisterBusIO(&st7735_pObj,&st7735_pIO);
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if(ST7735_ERROR == ST7735_LCD_Driver.Init(&st7735_pObj,ST7735_FORMAT_RBG565,ST7735_ORIENTATION_LANDSCAPE_ROT180))
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{
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LOG_E("st7735 init failed!");
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// return ;
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}
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ST7735_LCD_Driver.FillRect(&st7735_pObj,0,0,160,80,BLACK);
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ST7735_LCD_Driver.ReadID(&st7735_pObj,&st7735_id);
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ST7735_LCD_Driver.DisplayOn(&st7735_pObj);
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LOG_D("lcd id:0X%08X", st7735_id);
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LOG_D("chip id:0X%08X", HAL_GetDEVID());
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/* turn on the LCD backlight */
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lcd_pwm_dev = (struct rt_device_pwm *)rt_device_find(LCD_PWM_DEV_NAME);
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if (!lcd_pwm_dev)
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{
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LOG_E("lcd pwm pin init failed! can't find %s device!\n", LCD_SPI_DEVICE_NAME);
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return -RT_ERROR;
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}
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/* pwm frequency:100K = 10000ns */
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rt_pwm_set(lcd_pwm_dev, LCD_PWM_DEV_CHANNEL, LCD_PWM_DEV_TIME, 5000);
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rt_pwm_enable(lcd_pwm_dev, LCD_PWM_DEV_CHANNEL);
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ST7735_LCD_Driver.DrawBitmap(&st7735_pObj,0,0,WeActStudiologo);
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// ST7735_LCD_Driver.FillRGBRect(&st7735_pObj, 0, 0, (uint8_t *)image_rttlogo, 240, 69);
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return RT_EOK;
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}
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INIT_COMPONENT_EXPORT(LCD_Init);
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void LCD_SetBrightness(uint32_t Brightness)
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{
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Brightness = ((Brightness >= LCD_PWM_DEV_TIME)?(LCD_PWM_DEV_TIME-1):Brightness);
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rt_pwm_set(lcd_pwm_dev, LCD_PWM_DEV_CHANNEL, LCD_PWM_DEV_TIME, Brightness);
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NowBrightness = Brightness;
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}
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uint32_t LCD_GetBrightness(void)
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{
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return NowBrightness;
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}
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uint16_t POINT_COLOR=0xFFFF; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ
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uint16_t BACK_COLOR=BLACK; //<2F><><EFBFBD><EFBFBD>ɫ
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//<2F><>ָ<EFBFBD><D6B8>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>ʾһ<CABE><D2BB><EFBFBD>ַ<EFBFBD>
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//x,y:<3A><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
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//num:Ҫ<><D2AA>ʾ<EFBFBD><CABE><EFBFBD>ַ<EFBFBD>:" "--->"~"
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//size:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С 12/16
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//mode:<3A><><EFBFBD>ӷ<EFBFBD>ʽ(1)<29><><EFBFBD>Ƿǵ<C7B7><C7B5>ӷ<EFBFBD>ʽ(0)
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void LCD_ShowChar(uint16_t x,uint16_t y,uint8_t num,uint8_t size,uint8_t mode)
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{
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uint8_t temp,t1,t;
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uint16_t y0=y;
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uint16_t x0=x;
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uint16_t colortemp=POINT_COLOR;
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uint32_t h,w;
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uint16_t write[size][size==12?6:8];
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uint16_t count;
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ST7735_GetXSize(&st7735_pObj,&w);
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ST7735_GetYSize(&st7735_pObj,&h);
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//<2F><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>
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num=num-' ';//<2F>õ<EFBFBD>ƫ<EFBFBD>ƺ<EFBFBD><C6BA><EFBFBD>ֵ
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count = 0;
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if(!mode) //<2F>ǵ<EFBFBD><C7B5>ӷ<EFBFBD>ʽ
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{
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for(t=0;t<size;t++)
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{
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if(size==12)temp=asc2_1206[num][t]; //<2F><><EFBFBD><EFBFBD>1206<30><36><EFBFBD><EFBFBD>
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else temp=asc2_1608[num][t]; //<2F><><EFBFBD><EFBFBD>1608<30><38><EFBFBD><EFBFBD>
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for(t1=0;t1<8;t1++)
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{
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if(temp&0x80)
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POINT_COLOR=(colortemp&0xFF)<<8|colortemp>>8;
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else
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POINT_COLOR=(BACK_COLOR&0xFF)<<8|BACK_COLOR>>8;
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write[count][t/2]=POINT_COLOR;
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count ++;
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if(count >= size) count =0;
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temp<<=1;
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y++;
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if(y>=h){POINT_COLOR=colortemp;return;}//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if((y-y0)==size)
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{
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y=y0;
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x++;
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if(x>=w){POINT_COLOR=colortemp;return;}//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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break;
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}
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}
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}
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}
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else//<2F><><EFBFBD>ӷ<EFBFBD>ʽ
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{
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for(t=0;t<size;t++)
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{
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if(size==12)temp=asc2_1206[num][t]; //<2F><><EFBFBD><EFBFBD>1206<30><36><EFBFBD><EFBFBD>
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else temp=asc2_1608[num][t]; //<2F><><EFBFBD><EFBFBD>1608<30><38><EFBFBD><EFBFBD>
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for(t1=0;t1<8;t1++)
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{
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if(temp&0x80)
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write[count][t/2]=(POINT_COLOR&0xFF)<<8|POINT_COLOR>>8;
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count ++;
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if(count >= size) count =0;
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temp<<=1;
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y++;
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if(y>=h){POINT_COLOR=colortemp;return;}//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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if((y-y0)==size)
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{
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y=y0;
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x++;
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if(x>=w){POINT_COLOR=colortemp;return;}//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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break;
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}
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}
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}
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}
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ST7735_FillRGBRect(&st7735_pObj,x0,y0,(uint8_t *)&write,size==12?6:8,size);
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POINT_COLOR=colortemp;
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}
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//<2F><>ʾ<EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>
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//x,y:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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//width,height:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
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//size:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
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//*p:<3A>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>ַ
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void LCD_ShowString(uint16_t x,uint16_t y,uint16_t width,uint16_t height,uint8_t size,uint8_t *p)
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{
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uint8_t x0=x;
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width+=x;
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height+=y;
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while((*p<='~')&&(*p>=' '))//<2F>ж<EFBFBD><D0B6>Dz<EFBFBD><C7B2>ǷǷ<C7B7><C7B7>ַ<EFBFBD>!
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{
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if(x>=width){x=x0;y+=size;}
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if(y>=height)break;//<2F>˳<EFBFBD>
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LCD_ShowChar(x,y,*p,size,0);
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x+=size/2;
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p++;
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}
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}
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void LCD_FillRGBRect(uint32_t Xpos, uint32_t Ypos, uint8_t *pData, uint32_t Width, uint32_t Height)
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{
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ST7735_LCD_Driver.FillRGBRect(&st7735_pObj, Xpos, Ypos, pData, Width, Height);
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}
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static int32_t lcd_init(void)
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{
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return ST7735_OK;
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}
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static int32_t lcd_writereg(uint8_t reg,uint8_t* pdata,uint32_t length)
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{
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int32_t result;
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LCD_CS_RESET;
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LCD_RS_RESET;
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result = rt_spi_send(spi_dev_lcd, ®, 1);
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LCD_RS_SET;
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if(length > 0)
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result += rt_spi_send(spi_dev_lcd, pdata, length);
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LCD_CS_SET;
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return ((result == length+1)?0:-1);
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}
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static int32_t lcd_readreg(uint8_t reg,uint8_t* pdata)
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{
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int32_t result;
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LCD_CS_RESET;
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LCD_RS_RESET;
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result = rt_spi_send(spi_dev_lcd, ®, 1);
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LCD_RS_SET;
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result += rt_spi_recv(spi_dev_lcd, pdata, 1);
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LCD_CS_SET;
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return ((result == 2)?0:-1);
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}
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static int32_t lcd_senddata(uint8_t* pdata,uint32_t length)
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{
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int32_t result;
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LCD_CS_RESET;
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//LCD_RS_SET;
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result =rt_spi_send(spi_dev_lcd, pdata, length);
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LCD_CS_SET;
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return ((result == length)?0:-1);
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}
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static int32_t lcd_recvdata(uint8_t* pdata,uint32_t length)
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{
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int32_t result;
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LCD_CS_RESET;
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//LCD_RS_SET;
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result = rt_spi_recv(spi_dev_lcd, pdata, length);
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LCD_CS_SET;
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return ((result == length)?0:-1);
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}
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