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rt-thread/bsp/stm32/stm32f407-rt-spark/board/ports/lcd/drv_lcd.c

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[bsp][stm32][rt-spark] 更新 cubemx ports
2023-08-10 15:11:21 +08:00
/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-12-28 unknow copy by STemwin
* 2021-12-29 xiangxistu port for lvgl <lcd_fill_array>
* 2022-6-26 solar Improve the api required for resistive touch screen calibration
* 2023-05-17 yuanjie parallel driver improved
*/
#include <rtdevice.h>
#include <board.h>
[stm32][rt-spark] support nano version
2023-12-28 01:09:02 +08:00
#include <string.h>
#include <drv_gpio.h>
[bsp][stm32][rt-spark] 更新 cubemx ports
2023-08-10 15:11:21 +08:00
#include "drv_lcd.h"
#include "drv_lcd_font.h"
#define DRV_DEBUG
#define LOG_TAG "drv.lcd"
#include <drv_log.h>
_lcd_dev lcddev;
rt_uint16_t BACK_COLOR = WHITE, FORE_COLOR = BLACK;
#define LCD_CLEAR_SEND_NUMBER 5760
#ifdef BSP_USING_ONBOARD_LCD_PWM_BL
#define PWM_BL_NAME "pwm14" /* 背光PWM设备名称 */
#define PWM_BL_CHANNEL 1 /* 背光PWM通道 */
#define PWM_BL_PERIOD 500000 /* 0.5ms = 2000 Hz*/
struct rt_device_pwm *pwm_bl_dev = RT_NULL; /* PWM设备句柄 */
#else
#define LCD_BL GET_PIN(F, 9)
#endif /* BSP_USING_ONBOARD_LCD_PWM_BL */
#define LCD_RST GET_PIN(D, 3)
#define LCD_DEVICE(dev) (struct drv_lcd_device *)(dev)
struct drv_lcd_device
{
struct rt_device parent;
struct rt_device_graphic_info lcd_info;
};
static struct drv_lcd_device _lcd;
// 写寄存器函数
// regval:寄存器值
void LCD_WR_REG(uint8_t regval)
{
LCD->_u8_REG = regval; // 写入要写的寄存器序号
}
// 写LCD数据
// data:要写入的值
void LCD_WR_DATA16(uint16_t data)
{
LCD->_u16_RAM = data;
}
void LCD_WR_DATA8(uint8_t data)
{
LCD->_u8_RAM = data;
}
// 读LCD数据
// 返回值:读到的值
uint8_t LCD_RD_DATA8(void)
{
return LCD->_u8_RAM;
}
// 写寄存器
// LCD_Reg:寄存器地址
// LCD_RegValue:要写入的数据
void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
{
LCD->_u8_REG = LCD_Reg; // 写入要写的寄存器序号
LCD->_u16_RAM = LCD_RegValue; // 写入数据
}
// 读寄存器
// LCD_Reg:寄存器地址
// 返回值:读到的数据
uint16_t LCD_ReadReg(uint16_t LCD_Reg)
{
LCD_WR_REG(LCD_Reg); // 写入要读的寄存器序号
return LCD_RD_DATA8(); // 返回读到的值
}
// 开始写GRAM
void LCD_WriteRAM_Prepare(void)
{
LCD->_u8_REG = lcddev.wramcmd;
}
// LCD写GRAM
// RGB_Code:颜色值
void LCD_WriteRAM(uint16_t RGB_Code)
{
LCD->_u16_RAM = RGB_Code; // 写十六位GRAM
}
// 从ILI93xx读出的数据为GBR格式，而我们写入的时候为RGB格式。
// 通过该函数转换
// c:GBR格式的颜色值
// 返回值：RGB格式的颜色值
uint16_t LCD_BGR2RGB(uint16_t c)
{
uint16_t r, g, b, rgb;
b = (c >> 0) & 0x1f;
g = (c >> 5) & 0x3f;
r = (c >> 11) & 0x1f;
rgb = (b << 11) + (g << 5) + (r << 0);
return (rgb);
}
// 设置光标位置(对RGB屏无效)
// Xpos:横坐标
// Ypos:纵坐标
void LCD_SetCursor(uint16_t Xpos, uint16_t Ypos)
{
if (lcddev.id == 8552) // st7789v3
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA16(Xpos >> 8);
LCD_WR_DATA16(Xpos & 0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA16(Ypos >> 8);
LCD_WR_DATA16(Ypos & 0XFF);
}
}
// 读取个某点的颜色值
// x,y:坐标
// 返回值:此点的颜色
void LCD_ReadPoint(char *pixel, int x, int y)
{
uint16_t *color = (uint16_t *)pixel;
uint16_t r = 0, g = 0, b = 0;
if (x >= lcddev.width || y >= lcddev.height)
{
*color = 0; // 超过了范围,直接返回
return;
}
LCD_SetCursor(x, y);
if (lcddev.id == 0X81b3)
LCD_WR_REG(0X2E); // 9341/3510/1963 发送读GRAM指令
r = LCD_RD_DATA8(); // dummy Read
r = LCD_RD_DATA8(); // 实际坐标颜色
b = LCD_RD_DATA8();
g = r & 0XFF; // 对于9341/5310/5510,第一次读取的是RG的值,R在前,G在后,各占8位
g <<= 8;
*color = (((r >> 11) << 11) | ((g >> 10) << 5) | (b >> 11)); // ILI9341/NT35310/NT35510需要公式转换一下
}
// LCD开启显示
void LCD_DisplayOn(void)
{
if (lcddev.id == 0X81b3)
LCD_WR_REG(0X29); // 开启显示
}
// LCD关闭显示
void LCD_DisplayOff(void)
{
if (lcddev.id == 0X81b3)
LCD_WR_REG(0X28); // 关闭显示
}
#ifdef BSP_USING_ONBOARD_LCD_PWM_BL
//TODO PWM14 not working
// 初始化LCD背光定时器
void LCD_PWM_BackLightInit()
{
pwm_bl_dev = (struct rt_device_pwm *)rt_device_find(PWM_BL_NAME);
if(RT_NULL != pwm_bl_dev)
{
/* 设置PWM周期和脉冲宽度默认值 */
rt_pwm_set(pwm_bl_dev, PWM_BL_CHANNEL, PWM_BL_PERIOD, 0);
}
else
{
LOG_E("pwm backlight error!");
}
}
// TODO 反初始化LCD背光定时器
// void LCD_TIM_BackLightDeinit(uint8_t value)
// {
// }
// 设置LCD背光亮度
// pwm:背光等级,0~100.越大越亮.
void LCD_BackLightSet(uint8_t value)
{
value = value > 100 ? 100 : value;
if(RT_NULL != pwm_bl_dev)
{
/* 设置PWM周期和脉冲宽度默认值 */
rt_pwm_set(pwm_bl_dev, PWM_BL_CHANNEL, PWM_BL_PERIOD, (PWM_BL_PERIOD/100)*value);
/* 使能设备 */
rt_pwm_enable(pwm_bl_dev, PWM_BL_CHANNEL);
LOG_D("backlight %d percent", value);
}
else
{
LOG_E("backlight set error!");
}
}
#endif
// 设置LCD的自动扫描方向(对RGB屏无效)
// 注意:其他函数可能会受到此函数设置的影响(尤其是9341),
// 所以,一般设置为L2R_U2D即可,如果设置为其他扫描方式,可能导致显示不正常.
// dir:0~7,代表8个方向(具体定义见lcd.h)
// 9341/5310/5510/1963等IC已经实际测试
void LCD_Scan_Dir(uint8_t dir)
{
uint16_t regval = 0;
uint16_t dirreg = 0;
uint16_t temp;
if ((lcddev.dir == 1 && lcddev.id != 0X1963) || (lcddev.dir == 0 && lcddev.id == 0X1963)) // 横屏时，对1963不改变扫描方向！竖屏时1963改变方向
{
switch (dir) // 方向转换
{
case 0:
dir = 6;
break;
case 1:
dir = 7;
break;
case 2:
dir = 4;
break;
case 3:
dir = 5;
break;
case 4:
dir = 1;
break;
case 5:
dir = 0;
break;
case 6:
dir = 3;
break;
case 7:
dir = 2;
break;
}
}
if (lcddev.id == 0x9341 || lcddev.id == 0X5310 || lcddev.id == 0X5510 || lcddev.id == 0X1963) // 9341/5310/5510/1963,特殊处理
{
switch (dir)
{
case L2R_U2D: // 从左到右,从上到下
regval |= (0 << 7) | (0 << 6) | (0 << 5);
break;
case L2R_D2U: // 从左到右,从下到上
regval |= (1 << 7) | (0 << 6) | (0 << 5);
break;
case R2L_U2D: // 从右到左,从上到下
regval |= (0 << 7) | (1 << 6) | (0 << 5);
break;
case R2L_D2U: // 从右到左,从下到上
regval |= (1 << 7) | (1 << 6) | (0 << 5);
break;
case U2D_L2R: // 从上到下,从左到右
regval |= (0 << 7) | (0 << 6) | (1 << 5);
break;
case U2D_R2L: // 从上到下,从右到左
regval |= (0 << 7) | (1 << 6) | (1 << 5);
break;
case D2U_L2R: // 从下到上,从左到右
regval |= (1 << 7) | (0 << 6) | (1 << 5);
break;
case D2U_R2L: // 从下到上,从右到左
regval |= (1 << 7) | (1 << 6) | (1 << 5);
break;
}
if (lcddev.id == 0X5510)
dirreg = 0X3600;
else
dirreg = 0X36;
if ((lcddev.id != 0X5310) && (lcddev.id != 0X5510) && (lcddev.id != 0X1963))
regval |= 0X08; // 5310/5510/1963不需要BGR
LCD_WriteReg(dirreg, regval);
if (lcddev.id != 0X1963) // 1963不做坐标处理
{
if (regval & 0X20)
{
if (lcddev.width < lcddev.height) // 交换X,Y
{
temp = lcddev.width;
lcddev.width = lcddev.height;
lcddev.height = temp;
}
}
else
{
if (lcddev.width > lcddev.height) // 交换X,Y
{
temp = lcddev.width;
lcddev.width = lcddev.height;
lcddev.height = temp;
}
}
}
}
}
// 快速画点
// x,y:坐标
// color:颜色
static void LCD_Fast_DrawPoint(const char *pixel, int x, int y)
{
uint16_t color = *((uint16_t *)pixel);
if (lcddev.id == 0X81b3)
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA16(x >> 8);
LCD_WR_DATA16(x & 0XFF);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA16(y >> 8);
LCD_WR_DATA16(y & 0XFF);
}
LCD->_u8_REG = lcddev.wramcmd;
LCD->_u16_RAM = color;
}
// 设置LCD显示方向
// dir:0,竖屏；1,横屏
void LCD_Display_Dir(uint8_t dir)
{
lcddev.dir = dir; // 竖屏/横屏
if (dir == 0) // 竖屏
{
lcddev.width = 240;
lcddev.height = 240;
if (lcddev.id == 0X81b3)
{
lcddev.wramcmd = 0X2C;
lcddev.setxcmd = 0X2A;
lcddev.setycmd = 0X2B;
}
}
else // 横屏
{
lcddev.width = 240;
lcddev.height = 240;
if (lcddev.id == 0X81b3)
{
lcddev.wramcmd = 0X2C;
lcddev.setxcmd = 0X2A;
lcddev.setycmd = 0X2B;
}
}
// TODO scan dir settings
// LCD_Scan_Dir(DFT_SCAN_DIR); //默认扫描方向
}
rt_err_t lcd_write_half_word(const rt_uint16_t da)
{
LCD_WR_DATA16(change_byte_order(da));
return RT_EOK;
}
rt_err_t lcd_write_data_buffer(const void *send_buf, rt_size_t length)
{
uint8_t *pdata = RT_NULL;
rt_size_t len = 0;
pdata = (uint8_t*)send_buf;
len = length;
if (pdata != RT_NULL)
{
while (len -- )
{
LCD_WR_DATA8(*pdata);
pdata ++;
}
}
return RT_EOK;
}
/**
* Set background color and foreground color
*
* @param back background color
* @param fore fore color
*
* @return void
*/
void lcd_set_color(rt_uint16_t back, rt_uint16_t fore)
{
BACK_COLOR = back;
FORE_COLOR = fore;
}
/**
* Set drawing area
*
* @param x1 start of x position
* @param y1 start of y position
* @param x2 end of x position
* @param y2 end of y position
*
* @return void
*/
void lcd_address_set(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
{
if (lcddev.id == 0X81b3) // st7789v3
{
LCD_WR_REG(lcddev.setxcmd);
LCD_WR_DATA8(x1 >> 8);
LCD_WR_DATA8(x1 & 0xff);
LCD_WR_DATA8(x2 >> 8);
LCD_WR_DATA8(x2 & 0xff);
LCD_WR_REG(lcddev.setycmd);
LCD_WR_DATA8(y1 >> 8);
LCD_WR_DATA8(y1 & 0xff);
LCD_WR_DATA8(y2 >> 8);
LCD_WR_DATA8(y2 & 0xff);
}
LCD_WriteRAM_Prepare(); // 开始写入GRAM
}
/**
* clear the lcd.
*
* @param color Fill color
*
* @return void
*/
void lcd_clear(rt_uint16_t color)
{
uint32_t index = 0;
uint32_t totalpoint = lcddev.width;
totalpoint *= lcddev.height; // 得到总点数
LCD_SetCursor(0x00, 0x0000); // 设置光标位置
LCD_WriteRAM_Prepare(); // 开始写入GRAM
for (index = 0; index < totalpoint; index++)
{
LCD->_u16_RAM = color;
}
}
/**
* display a point on the lcd.
*
* @param x x position
* @param y y position
*
* @return void
*/
void lcd_draw_point(rt_uint16_t x, rt_uint16_t y)
{
lcd_address_set(x, y, x, y);
lcd_write_half_word(BLUE);
}
rt_uint16_t change_byte_order(rt_uint16_t word)
{
return ((word<<8)&0xff00) | ((word>>8)&0x00ff);
}
/**
* full color on the lcd.
*
* @param x_start start of x position
* @param y_start start of y position
* @param x_end end of x position
* @param y_end end of y position
* @param color Fill color
*
* @return void
*/
void lcd_fill(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, rt_uint16_t color)
{
rt_uint16_t i = 0, j = 0;
rt_uint32_t size = 0, size_remain = 0;
rt_uint8_t *fill_buf = RT_NULL;
size = (x_end - x_start) * (y_end - y_start) * 2;
if (size > LCD_CLEAR_SEND_NUMBER)
{
/* the number of remaining to be filled */
size_remain = size - LCD_CLEAR_SEND_NUMBER;
size = LCD_CLEAR_SEND_NUMBER;
}
lcd_address_set(x_start, y_start, x_end, y_end);
fill_buf = (rt_uint8_t *)rt_malloc(size);
if (fill_buf)
{
/* fast fill */
while (1)
{
for (i = 0; i < size / 2; i++)
{
fill_buf[2 * i] = color >> 8;
fill_buf[2 * i + 1] = color;
}
lcd_write_data_buffer(fill_buf, size);
/* Fill completed */
if (size_remain == 0)
break;
/* calculate the number of fill next time */
if (size_remain > LCD_CLEAR_SEND_NUMBER)
{
size_remain = size_remain - LCD_CLEAR_SEND_NUMBER;
}
else
{
size = size_remain;
size_remain = 0;
}
}
rt_free(fill_buf);
}
else
{
for (i = y_start; i <= y_end; i++)
{
for (j = x_start; j <= x_end; j++)lcd_write_half_word(color);
}
}
}
/**
* display a line on the lcd.
*
* @param x1 x1 position
* @param y1 y1 position
* @param x2 x2 position
* @param y2 y2 position
*
* @return void
*/
void lcd_draw_line(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
{
rt_uint16_t t;
rt_uint32_t i = 0;
int xerr = 0, yerr = 0, delta_x, delta_y, distance;
int incx, incy, row, col;
if (y1 == y2)
{
/* fast draw transverse line */
lcd_address_set(x1, y1, x2, y2);
rt_uint8_t line_buf[480] = {0};
for (i = 0; i < x2 - x1; i++)
{
line_buf[2 * i] = FORE_COLOR >> 8;
line_buf[2 * i + 1] = FORE_COLOR;
}
lcd_write_data_buffer(line_buf, (x2 - x1) * 2);
return ;
}
delta_x = x2 - x1;
delta_y = y2 - y1;
row = x1;
col = y1;
if (delta_x > 0)incx = 1;
else if (delta_x == 0)incx = 0;
else
{
incx = -1;
delta_x = -delta_x;
}
if (delta_y > 0)incy = 1;
else if (delta_y == 0)incy = 0;
else
{
incy = -1;
delta_y = -delta_y;
}
if (delta_x > delta_y)distance = delta_x;
else distance = delta_y;
for (t = 0; t <= distance + 1; t++)
{
lcd_draw_point(row, col);
xerr += delta_x ;
yerr += delta_y ;
if (xerr > distance)
{
xerr -= distance;
row += incx;
}
if (yerr > distance)
{
yerr -= distance;
col += incy;
}
}
}
/**
* display a rectangle on the lcd.
*
* @param x1 x1 position
* @param y1 y1 position
* @param x2 x2 position
* @param y2 y2 position
*
* @return void
*/
void lcd_draw_rectangle(rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
{
lcd_draw_line(x1, y1, x2, y1);
lcd_draw_line(x1, y1, x1, y2);
lcd_draw_line(x1, y2, x2, y2);
lcd_draw_line(x2, y1, x2, y2);
}
/**
* display a circle on the lcd.
*
* @param x x position of Center
* @param y y position of Center
* @param r radius
*
* @return void
*/
void lcd_draw_circle(rt_uint16_t x0, rt_uint16_t y0, rt_uint8_t r)
{
int a, b;
int di;
a = 0;
b = r;
di = 3 - (r << 1);
while (a <= b)
{
lcd_draw_point(x0 - b, y0 - a);
lcd_draw_point(x0 + b, y0 - a);
lcd_draw_point(x0 - a, y0 + b);
lcd_draw_point(x0 - b, y0 - a);
lcd_draw_point(x0 - a, y0 - b);
lcd_draw_point(x0 + b, y0 + a);
lcd_draw_point(x0 + a, y0 - b);
lcd_draw_point(x0 + a, y0 + b);
lcd_draw_point(x0 - b, y0 + a);
a++;
//Bresenham
if (di < 0)di += 4 * a + 6;
else
{
di += 10 + 4 * (a - b);
b--;
}
lcd_draw_point(x0 + a, y0 + b);
}
}
static void lcd_show_char(rt_uint16_t x, rt_uint16_t y, rt_uint8_t data, rt_uint32_t size)
{
rt_uint8_t temp;
rt_uint8_t num = 0;;
rt_uint8_t pos, t;
rt_uint16_t colortemp = FORE_COLOR;
rt_uint8_t *font_buf = RT_NULL;
if (x > LCD_W - size / 2 || y > LCD_H - size)return;
data = data - ' ';
#ifdef ASC2_1608
if (size == 16)
{
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);//(x,y,x+8-1,y+16-1)
font_buf = (rt_uint8_t *)rt_malloc(size * size);
if (!font_buf)
{
/* fast show char */
for (pos = 0; pos < size * (size / 2) / 8; pos++)
{
temp = asc2_1608[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
for (t = 0; t < 8; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
lcd_write_half_word(colortemp);
temp <<= 1;
}
}
}
else
{
for (pos = 0; pos < size * (size / 2) / 8; pos++)
{
temp = asc2_1608[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
for (t = 0; t < 8; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
font_buf[2 * (8 * pos + t)] = colortemp >> 8;
font_buf[2 * (8 * pos + t) + 1] = colortemp;
temp <<= 1;
}
}
lcd_write_data_buffer(font_buf, size * size);
rt_free(font_buf);
}
}
else
#endif
#ifdef ASC2_2412
if (size == 24)
{
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);
font_buf = (rt_uint8_t *)rt_malloc(size * size);
if (!font_buf)
{
/* fast show char */
for (pos = 0; pos < (size * 16) / 8; pos++)
{
temp = asc2_2412[(rt_uint16_t)data * (size * 16) / 8 + pos];
if (pos % 2 == 0)
{
num = 8;
}
else
{
num = 4;
}
for (t = 0; t < num; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
lcd_write_half_word(colortemp);
temp <<= 1;
}
}
}
else
{
for (pos = 0; pos < (size * 16) / 8; pos++)
{
temp = asc2_2412[(rt_uint16_t)data * (size * 16) / 8 + pos];
if (pos % 2 == 0)
{
num = 8;
}
else
{
num = 4;
}
for (t = 0; t < num; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
if (num == 8)
{
font_buf[2 * (12 * (pos / 2) + t)] = colortemp >> 8;
font_buf[2 * (12 * (pos / 2) + t) + 1] = colortemp;
}
else
{
font_buf[2 * (8 + 12 * (pos / 2) + t)] = colortemp >> 8;
font_buf[2 * (8 + 12 * (pos / 2) + t) + 1] = colortemp;
}
temp <<= 1;
}
}
lcd_write_data_buffer(font_buf, size * size);
rt_free(font_buf);
}
}
else
#endif
#ifdef ASC2_3216
if (size == 32)
{
lcd_address_set(x, y, x + size / 2 - 1, y + size - 1);
font_buf = (rt_uint8_t *)rt_malloc(size * size);
if (!font_buf)
{
/* fast show char */
for (pos = 0; pos < size * (size / 2) / 8; pos++)
{
temp = asc2_3216[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
for (t = 0; t < 8; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
lcd_write_half_word(colortemp);
temp <<= 1;
}
}
}
else
{
for (pos = 0; pos < size * (size / 2) / 8; pos++)
{
temp = asc2_3216[(rt_uint16_t)data * size * (size / 2) / 8 + pos];
for (t = 0; t < 8; t++)
{
if (temp & 0x80)colortemp = FORE_COLOR;
else colortemp = BACK_COLOR;
font_buf[2 * (8 * pos + t)] = colortemp >> 8;
font_buf[2 * (8 * pos + t) + 1] = colortemp;
temp <<= 1;
}
}
lcd_write_data_buffer(font_buf, size * size);
rt_free(font_buf);
}
}
else
#endif
{
LOG_E("There is no any define ASC2_1208 && ASC2_2412 && ASC2_2416 && ASC2_3216 !");
}
}
/**
* display the number on the lcd.
*
* @param x x position
* @param y y position
* @param num number
* @param len length of number
* @param size size of font
*
* @return void
*/
void lcd_show_num(rt_uint16_t x, rt_uint16_t y, rt_uint32_t num, rt_uint8_t len, rt_uint32_t size)
{
lcd_show_string(x, y, size, "%d", num);
}
/**
* display the string on the lcd.
*
* @param x x position
* @param y y position
* @param size size of font
* @param p the string to be display
*
* @return 0: display success
* -1: size of font is not support
*/
rt_err_t lcd_show_string(rt_uint16_t x, rt_uint16_t y, rt_uint32_t size, const char *fmt, ...)
{
#define LCD_STRING_BUF_LEN 128
va_list args;
rt_uint8_t buf[LCD_STRING_BUF_LEN] = {0};
rt_uint8_t *p = RT_NULL;
if (size != 16 && size != 24 && size != 32)
{
LOG_E("font size(%d) is not support!", size);
return -RT_ERROR;
}
va_start(args, fmt);
rt_vsnprintf((char *)buf, 100, (const char *)fmt, args);
va_end(args);
p = buf;
while (*p != '\0')
{
if (x > LCD_W - size / 2)
{
x = 0;
y += size;
}
if (y > LCD_H - size)
{
y = x = 0;
lcd_clear(RED);
}
lcd_show_char(x, y, *p, size);
x += size / 2;
p++;
}
return RT_EOK;
}
/**
* display the image on the lcd.
*
* @param x x position
* @param y y position
* @param length length of image
* @param wide wide of image
* @param p image
*
* @return 0: display success
* -1: the image is too large
*/
rt_err_t lcd_show_image(rt_uint16_t x, rt_uint16_t y, rt_uint16_t length, rt_uint16_t wide, const rt_uint8_t *p)
{
RT_ASSERT(p);
if (x + length > LCD_W || y + wide > LCD_H)
{
return -RT_ERROR;
}
lcd_address_set(x, y, x + length - 1, y + wide - 1);
lcd_write_data_buffer(p, length * wide * 2);
return RT_EOK;
}
#ifdef PKG_USING_QRCODE
QRCode qrcode;
static rt_uint8_t get_enlargement_factor(rt_uint16_t x, rt_uint16_t y, rt_uint8_t size)
{
rt_uint8_t enlargement_factor = 1 ;
if (x + size * 8 <= LCD_W && y + size * 8 <= LCD_H)
{
enlargement_factor = 8;
}
else if (x + size * 4 <= LCD_W &&y + size * 4 <= LCD_H)
{
enlargement_factor = 4;
}
else if (x + size * 2 <= LCD_W && y + size * 2 <= LCD_H)
{
enlargement_factor = 2;
}
return enlargement_factor;
}
static void show_qrcode_by_point(rt_uint16_t x, rt_uint16_t y, rt_uint8_t size, rt_uint8_t enlargement_factor)
{
rt_uint32_t width = 0, high = 0;
for (high = 0; high < size; high++)
{
for (width = 0; width < size; width++)
{
if (qrcode_getModule(&qrcode, width, high))
{
/* magnify pixel */
for (rt_uint32_t offset_y = 0; offset_y < enlargement_factor; offset_y++)
{
for (rt_uint32_t offset_x = 0; offset_x < enlargement_factor; offset_x++)
{
lcd_draw_point(x + enlargement_factor * width + offset_x, y + enlargement_factor * high + offset_y);
}
}
}
}
}
}
static void show_qrcode_by_line(rt_uint16_t x, rt_uint16_t y, rt_uint8_t size, rt_uint8_t enlargement_factor,rt_uint8_t *qrcode_buf)
{
rt_uint32_t width = 0, high = 0;
for (high = 0; high < qrcode.size; high++)
{
for (width = 0; width < qrcode.size; width++)
{
if (qrcode_getModule(&qrcode, width, high))
{
/* magnify pixel */
for (rt_uint32_t offset_y = 0; offset_y < enlargement_factor; offset_y++)
{
for (rt_uint32_t offset_x = 0; offset_x < enlargement_factor; offset_x++)
{
/* save the information of modules */
qrcode_buf[2 * (enlargement_factor * width + offset_x + offset_y * qrcode.size * enlargement_factor)] = FORE_COLOR >> 8;
qrcode_buf[2 * (enlargement_factor * width + offset_x + offset_y * qrcode.size * enlargement_factor) + 1] = FORE_COLOR;
}
}
}
else
{
/* magnify pixel */
for (rt_uint32_t offset_y = 0; offset_y < enlargement_factor; offset_y++)
{
for (rt_uint32_t offset_x = 0; offset_x < enlargement_factor; offset_x++)
{
/* save the information of blank */
qrcode_buf[2 * (enlargement_factor * width + offset_x + offset_y * qrcode.size * enlargement_factor)] = BACK_COLOR >> 8;
qrcode_buf[2 * (enlargement_factor * width + offset_x + offset_y * qrcode.size * enlargement_factor) + 1] = BACK_COLOR;
}
}
}
}
/* display a line of qrcode */
lcd_show_image(x, y + high * enlargement_factor, qrcode.size * enlargement_factor, enlargement_factor, qrcode_buf);
}
}
/**
* display the qrcode on the lcd.
* size = (4 * version +17) * enlargement
*
* @param x x position
* @param y y position
* @param version version of qrcode
* @param ecc level of error correction
* @param data string
* @param enlargement enlargement_factor
*
* @return 0: display success
* -1: generate qrcode failed
* -5: memory low
*/
rt_err_t lcd_show_qrcode(rt_uint16_t x, rt_uint16_t y, rt_uint8_t version, rt_uint8_t ecc, const char *data, rt_uint8_t enlargement)
{
RT_ASSERT(data);
rt_int8_t result = 0;
rt_uint8_t enlargement_factor = 1;
rt_uint8_t *qrcode_buf = RT_NULL;
if (x + version * 4 + 17 > LCD_W || y + version * 4 + 17 > LCD_H)
{
LOG_E("The qrcode is too big!");
return -RT_ERROR;
}
rt_uint8_t *qrcodeBytes = (rt_uint8_t *)rt_calloc(1, qrcode_getBufferSize(version));
if (qrcodeBytes == RT_NULL)
{
LOG_E("no memory for qrcode!");
return -RT_ENOMEM;
}
/* generate qrcode */
result = qrcode_initText(&qrcode, qrcodeBytes, version, ecc, data);
if (result >= 0)
{
/* set enlargement factor */
if(enlargement == 0)
{
enlargement_factor = get_enlargement_factor(x, y, qrcode.size);
}
else
{
enlargement_factor = enlargement;
}
/* malloc memory for quick display of qrcode */
qrcode_buf = rt_malloc(qrcode.size * 2 * enlargement_factor * enlargement_factor);
if (qrcode_buf == RT_NULL)
{
/* clear lcd */
lcd_fill(x, y, x + qrcode.size, y + qrcode.size, BACK_COLOR);
/* draw point to display qrcode */
show_qrcode_by_point(x, y, qrcode.size, enlargement_factor);
}
else
{
/* quick display of qrcode */
show_qrcode_by_line(x, y, qrcode.size, enlargement_factor,qrcode_buf);
}
result = RT_EOK;
}
else
{
LOG_E("QRCODE(%s) generate falied(%d)\n", qrstr, result);
result = -RT_ENOMEM;
goto __exit;
}
__exit:
if (qrcodeBytes)
{
rt_free(qrcodeBytes);
}
if (qrcode_buf)
{
rt_free(qrcode_buf);
}
return result;
}
#endif
void lcd_fill_array(rt_uint16_t x_start, rt_uint16_t y_start, rt_uint16_t x_end, rt_uint16_t y_end, void *pcolor)
{
rt_uint16_t *pixel = RT_NULL;
rt_uint16_t cycle_y, x_offset = 0;
pixel = (rt_uint16_t *)pcolor;
lcd_address_set(x_start, y_start, x_end, y_end);
for (cycle_y = y_start; cycle_y <= y_end;)
{
for (x_offset = 0; x_start + x_offset <= x_end; x_offset++)
{
LCD->_u8_RAM = (*pixel)>>8;
LCD->_u8_RAM = *pixel++;
}
cycle_y++;
}
}
void LCD_DrawLine(const char *pixel, rt_uint16_t x1, rt_uint16_t y1, rt_uint16_t x2, rt_uint16_t y2)
{
rt_uint16_t t;
int xerr = 0, yerr = 0, delta_x, delta_y, distance;
int incx, incy, uRow, uCol;
delta_x = x2 - x1; // 计算坐标增量
delta_y = y2 - y1;
uRow = x1;
uCol = y1;
if (delta_x > 0)
incx = 1; // 设置单步方向
else if (delta_x == 0)
incx = 0; // 垂直线
else
{
incx = -1;
delta_x = -delta_x;
}
if (delta_y > 0)
incy = 1;
else if (delta_y == 0)
incy = 0; // 水平线
else
{
incy = -1;
delta_y = -delta_y;
}
if (delta_x > delta_y)
distance = delta_x; // 选取基本增量坐标轴
else
distance = delta_y;
for (t = 0; t <= distance + 1; t++) // 画线输出
{
// LCD_DrawPoint(uRow, uCol); //画点
LCD_Fast_DrawPoint(pixel, uRow, uCol);
xerr += delta_x;
yerr += delta_y;
if (xerr > distance)
{
xerr -= distance;
uRow += incx;
}
if (yerr > distance)
{
yerr -= distance;
uCol += incy;
}
}
}
void LCD_HLine(const char *pixel, int x1, int x2, int y)
{
LCD_DrawLine(pixel, x1, y, x2, y);
}
void LCD_VLine(const char *pixel, int x, int y1, int y2)
{
LCD_DrawLine(pixel, x, y1, x, y2);
}
void LCD_BlitLine(const char *pixel, int x, int y, rt_size_t size)
{
LCD_SetCursor(x, y);
LCD_WriteRAM_Prepare();
uint16_t *p = (uint16_t *)pixel;
for (; size > 0; size--, p++)
LCD->_u16_RAM = *p;
}
int drv_lcd_init(void)
{
SRAM_HandleTypeDef hsram1 = {0};
FSMC_NORSRAM_TimingTypeDef read_timing = {0};
FSMC_NORSRAM_TimingTypeDef write_timing = {0};
#ifndef BSP_USING_ONBOARD_LCD_PWM_BL
rt_pin_mode(LCD_BL, PIN_MODE_OUTPUT);
#endif /* BSP_USING_ONBOARD_LCD_PWM_BL */
rt_pin_mode(LCD_RST, PIN_MODE_OUTPUT);
rt_pin_write(LCD_RST, PIN_LOW);
rt_thread_mdelay(100);
rt_pin_write(LCD_RST, PIN_HIGH);
rt_thread_mdelay(100);
// FSMC_NORSRAM_TimingTypeDef Timing = {0};
/** Perform the SRAM1 memory initialization sequence
*/
hsram1.Instance = FSMC_NORSRAM_DEVICE;
hsram1.Extended = FSMC_NORSRAM_EXTENDED_DEVICE;
/* hsram1.Init */
hsram1.Init.NSBank = FSMC_NORSRAM_BANK3;
hsram1.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE;
hsram1.Init.MemoryType = FSMC_MEMORY_TYPE_SRAM;
hsram1.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_8;
hsram1.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
hsram1.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
hsram1.Init.WrapMode = FSMC_WRAP_MODE_DISABLE;
hsram1.Init.WaitSignalActive = FSMC_WAIT_TIMING_BEFORE_WS;
hsram1.Init.WriteOperation = FSMC_WRITE_OPERATION_ENABLE;
hsram1.Init.WaitSignal = FSMC_WAIT_SIGNAL_DISABLE;
hsram1.Init.ExtendedMode = FSMC_EXTENDED_MODE_ENABLE;
hsram1.Init.AsynchronousWait = FSMC_ASYNCHRONOUS_WAIT_DISABLE;
hsram1.Init.WriteBurst = FSMC_WRITE_BURST_DISABLE;
hsram1.Init.PageSize = FSMC_PAGE_SIZE_NONE;
// /* Timing */
read_timing.AddressSetupTime = 0XF; //地址建立时间（ADDSET）为16个HCLK 1/168M=6ns*16=96ns
read_timing.AddressHoldTime = 0x00; //地址保持时间（ADDHLD）模式A未用到
read_timing.DataSetupTime = 60; //数据保存时间为60个HCLK =6*60=360ns
read_timing.BusTurnAroundDuration = 0x00;
read_timing.CLKDivision = 0x00;
read_timing.DataLatency = 0x00;
read_timing.AccessMode = FSMC_ACCESS_MODE_A; //模式A
write_timing.AddressSetupTime =9; //地址建立时间（ADDSET）为9个HCLK =54ns
write_timing.AddressHoldTime = 0x00; //地址保持时间（A
write_timing.DataSetupTime = 8; //数据保存时间为6ns*9个HCLK=54ns
write_timing.BusTurnAroundDuration = 0x00;
write_timing.CLKDivision = 0x00;
write_timing.DataLatency = 0x00;
write_timing.AccessMode = FSMC_ACCESS_MODE_A; //模式A
if (HAL_SRAM_Init(&hsram1, &read_timing, &write_timing) != HAL_OK)
{
Error_Handler( );
}
rt_thread_mdelay(100);
// 尝试st7789v3 ID的读取
LCD_WR_REG(0X04);
lcddev.id = LCD_RD_DATA8(); // dummy read
lcddev.id = LCD_RD_DATA8(); // ID2
lcddev.id = LCD_RD_DATA8(); // ID3
lcddev.id <<= 8;
lcddev.id |= LCD_RD_DATA8();
LOG_I(" LCD ID:%x", lcddev.id); // 打印LCD ID
if (lcddev.id == 0X81b3) //st7789v3
{
//************* Start Initial Sequence **********//
/* Memory Data Access Control */
LCD_WR_REG(0x36);
LCD_WR_DATA8(0x00);
/* RGB 5-6-5-bit */
LCD_WR_REG(0x3A);
LCD_WR_DATA8(0x65);
/* Porch Setting */
LCD_WR_REG(0xB2);
LCD_WR_DATA8(0x0C);
LCD_WR_DATA8(0x0C);
LCD_WR_DATA8(0x00);
LCD_WR_DATA8(0x33);
LCD_WR_DATA8(0x33);
/* Gate Control */
LCD_WR_REG(0xB7);
LCD_WR_DATA8(0x35);
/* VCOM Setting */
LCD_WR_REG(0xBB);
LCD_WR_DATA8(0x37);
/* LCM Control */
LCD_WR_REG(0xC0);
LCD_WR_DATA8(0x2C);
/* VDV and VRH Command Enable */
LCD_WR_REG(0xC2);
LCD_WR_DATA8(0x01);
/* VRH Set */
LCD_WR_REG(0xC3);
LCD_WR_DATA8(0x12);
/* VDV Set */
LCD_WR_REG(0xC4);
LCD_WR_DATA8(0x20);
/* Frame Rate Control in Normal Mode */
LCD_WR_REG(0xC6);
LCD_WR_DATA8(0x0F);
/* Power Control 1 */
LCD_WR_REG(0xD0);
LCD_WR_DATA8(0xA4);
LCD_WR_DATA8(0xA1);
/* Positive Voltage Gamma Control */
LCD_WR_REG(0xE0);
LCD_WR_DATA8(0xD0);
LCD_WR_DATA8(0x04);
LCD_WR_DATA8(0x0D);
LCD_WR_DATA8(0x11);
LCD_WR_DATA8(0x13);
LCD_WR_DATA8(0x2B);
LCD_WR_DATA8(0x3F);
LCD_WR_DATA8(0x54);
LCD_WR_DATA8(0x4C);
LCD_WR_DATA8(0x18);
LCD_WR_DATA8(0x0D);
LCD_WR_DATA8(0x0B);
LCD_WR_DATA8(0x1F);
LCD_WR_DATA8(0x23);
/* Negative Voltage Gamma Control */
LCD_WR_REG(0xE1);
LCD_WR_DATA8(0xD0);
LCD_WR_DATA8(0x04);
LCD_WR_DATA8(0x0C);
LCD_WR_DATA8(0x11);
LCD_WR_DATA8(0x13);
LCD_WR_DATA8(0x2C);
LCD_WR_DATA8(0x3F);
LCD_WR_DATA8(0x44);
LCD_WR_DATA8(0x51);
LCD_WR_DATA8(0x2F);
LCD_WR_DATA8(0x1F);
LCD_WR_DATA8(0x1F);
LCD_WR_DATA8(0x20);
LCD_WR_DATA8(0x23);
/* Display Inversion On */
LCD_WR_REG(0x21); // 开启反色
/* TearEffect Sync On */
LCD_WR_REG(0x35); // 开启TE
LCD_WR_DATA8(0x00); // TE 同步方式：vsync 同步
/* Sleep Out */
LCD_WR_REG(0x11);
rt_thread_mdelay(120);
/* display on */
LCD_WR_REG(0x29); // 开启显示
}
// 初始化完成以后,提速
if (lcddev.id == 0X81b3) //st7789v3可以设置WR时序为最快
{
// 重新配置写时序控制寄存器的时序
FSMC_Bank1E->BWTR[6] &= ~(0XF << 0); // 地址建立时间(ADDSET)清零
FSMC_Bank1E->BWTR[6] &= ~(0XF << 8); // 数据保存时间清零
FSMC_Bank1E->BWTR[6] |= 3 << 0; // 地址建立时间(ADDSET)为3个HCLK =18ns
FSMC_Bank1E->BWTR[6] |= 2 << 8; // 数据保存时间(DATAST)为6ns*3个HCLK=18ns
}
LCD_Display_Dir(0); // 默认为横屏
#ifdef BSP_USING_ONBOARD_LCD_PWM_BL
LCD_PWM_BackLightInit();
LCD_BackLightSet(80);
#else
rt_pin_write(LCD_BL, PIN_HIGH); // 开启背光
#endif /* BSP_USING_ONBOARD_LCD_PWM_BL */
lcd_clear(WHITE);
return RT_EOK;
}
INIT_COMPONENT_EXPORT(drv_lcd_init);
struct rt_device_graphic_ops fsmc_lcd_ops =
{
LCD_Fast_DrawPoint,
LCD_ReadPoint,
LCD_HLine,
LCD_VLine,
LCD_BlitLine,
};
static rt_err_t drv_lcd_control(struct rt_device *device, int cmd, void *args)
{
struct drv_lcd_device *lcd = LCD_DEVICE(device);
switch (cmd)
{
case RTGRAPHIC_CTRL_GET_INFO:
{
struct rt_device_graphic_info *info = (struct rt_device_graphic_info *)args;
RT_ASSERT(info != RT_NULL);
// this needs to be replaced by the customer
info->pixel_format = lcd->lcd_info.pixel_format;
info->bits_per_pixel = lcd->lcd_info.bits_per_pixel;
info->width = lcddev.width;
info->height = lcddev.height;
}
break;
}
return RT_EOK;
}
#ifdef RT_USING_DEVICE_OPS
const static struct rt_device_ops lcd_ops =
{
drv_lcd_init,
RT_NULL,
RT_NULL,
RT_NULL,
RT_NULL,
drv_lcd_control};
#endif
int drv_lcd_hw_init(void)
{
rt_err_t result = RT_EOK;
struct rt_device *device = &_lcd.parent;
/* memset _lcd to zero */
memset(&_lcd, 0x00, sizeof(_lcd));
_lcd.lcd_info.bits_per_pixel = 16;
_lcd.lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565;
device->type = RT_Device_Class_Graphic;
#ifdef RT_USING_DEVICE_OPS
device->ops = &lcd_ops;
#else
device->init = NULL;
device->control = drv_lcd_control;
#endif
device->user_data = &fsmc_lcd_ops;
/* register lcd device */
rt_device_register(device, "lcd", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STANDALONE);
return result;
}
INIT_DEVICE_EXPORT(drv_lcd_hw_init);
#ifdef BSP_USING_ONBOARD_LCD_TEST
void lcd_auto_fill(void *para)
{
int num = (int)para;
do
{
lcd_clear(rt_tick_get()%65535);
rt_thread_mdelay(500);
} while (--num);
}
#include <stdlib.h> /* atoi */
void lcd_fill_test(int argc, void **argv)
{
static rt_uint8_t lcd_init = 0;
rt_device_t lcd = RT_NULL;
if (lcd_init == 0)
{
lcd_init = 1;
lcd = rt_device_find("lcd");
rt_device_init(lcd);
}
if (argc == 1)
{
lcd_auto_fill((void *)1);
}
else if (argc == 3)
{
if (rt_strcmp(argv[1], "-t") == 0)
{
rt_thread_t tid = RT_NULL;
tid = rt_thread_create("lcd_fill", lcd_auto_fill, (void *)atoi(argv[2]), 512, 23, 10);
rt_thread_startup(tid);
}
}
}
MSH_CMD_EXPORT(lcd_fill_test, lcd fill test for mcu lcd);
#endif