原创 【博客大赛】金融POS平台 基于STM32的驱动-串行lcd(SPI)

由于各前一段时间比较忙,POS的PCB早来了,一直没有调,这个星期开始调了,准备用模块化设计,大家看看怎么样?

LCD已经完成

/*
 模块打开关闭, 如果模块使用设置成   FP_CONFIG_YES
        如果模块不使用设置成 FP_CONFIG_NO
*/
#define FP_CONFIG_USE_RTC        FP_CONFIG_YES
#define FP_CONFIG_USE_LCD        FP_CONFIG_YES
#define FP_CONFIG_USE_LCD_BACKLIGHT   FP_CONFIG_NO
#define FP_CONFIG_USE_KEYPAD      FP_CONFIG_NO
#define FP_CONFIG_USE_MCR        FP_CONFIG_NO
#define FP_CONFIG_USE_ICCARD      FP_CONFIG_NO
#define FP_CONFIG_USE_RFID        FP_CONFIG_NO
#define FP_CONFIG_USE_GPRS        FP_CONFIG_NO 
#define FP_CONFIG_USE_FLASH       FP_CONFIG_NO
#define FP_CONFIG_USE_HZ        FP_CONFIG_NO     //BIOS 不使用汉字库
#define FP_CONFIG_USE_PRINTER      FP_CONFIG_NO
#define FP_CONFIG_USE_USB        FP_CONFIG_NO    //暂时不支持

//--------------------------------------------------------------------------------------------------
// LCD
//--------------------------------------------------------------------------------------------------
#if defined(FP_CONFIG_USE_LCD) && (FP_CONFIG_USE_LCD == FP_CONFIG_YES)
 
 
 #define LCD_Module UC1701X
 
 #if defined(LCD_Module) && (LCD_Module == UC1701X)
  #define LCD_Resolution (128*64)            //屏幕分辨率
  
  #define LCD_CS_PORT    GPIOD
  //#define LCD_CS_GPIO_CLK  RCC_APB2Periph_GPIOD
  #define LCD_CS_PIN    GPIO_Pin_8
  #define LCD_RS_PORT    GPIOD
  //#define LCD_RS_GPIO_CLK  RCC_APB2Periph_GPIOD
  #define LCD_RS_PIN    GPIO_Pin_7
  #define LCD_SCK_PORT   GPIOD
  //#define LCD_SCK_GPIO_CLK RCC_APB2Periph_GPIOD
  #define LCD_SCK_PIN    GPIO_Pin_6
  #define LCD_SDA_PORT   GPIOD
  //#define LCD_SDA_GPIO_CLK RCC_APB2Periph_GPIOD
  #define LCD_SDA_PIN    GPIO_Pin_5
  
typedef enum {
    LCD_ALL_LINE = -1,  //所有行
    LCD_LINE1,      //行1
    LCD_LINE2,      //行2
    LCD_LINE3,      //行3
    LCD_LINE4,      //行4
    LCD_LINE5,      //行5
    LCD_LINE6,      //行6
    LCD_LINE7,      //行7
    LCD_LINE8      //行8
} LCD_RowValue;   
#define IS_LCD_RowValue(LINE) (((LINE) == LCD_ALL_LINE) || ((LINE) == LCD_LINE1) || \
                          ((LINE) == LCD_LINE2)  || ((LINE) == LCD_LINE3) || \
                          ((LINE) == LCD_LINE4)  || ((LINE) == LCD_LINE5) || \
                          ((LINE) == LCD_LINE6)  || ((LINE) == LCD_LINE7) || \
                          ((LINE) == LCD_LINE8))
                           
 //#elif /
 
  
 #endif
 
 
 
#endif // LCD

/********************************************************************************
  文件名：    Lcd.c
  作者：    rxes  
  email：    fpos@foxmail.com
  版本：   V0.0.1 2012-9-9
  描述：   Lcd驱动程序.
*******************************************************************************/
/*******************************************************************************
V0.0.1 Lcd驱动芯片为UC1701X
*******************************************************************************/ 
/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "fpos_board.h"
#include "Lcd.h"
#include "ASCII.h"
#include
#include
#if defined(LCD_Resolution) && (LCD_Resolution==(128*64))
static uint8_t LCD_BUFFER[1024],Lcd_Inverse_Flag;

//#elif
 
#endif

#if defined(FP_CONFIG_USE_LCD) && (FP_CONFIG_USE_LCD == FP_CONFIG_YES)
 #if defined(LCD_Module) && (LCD_Module == UC1701X)
/******************************************************************************
 初始化Lcd端口.
  输入： None
  输出： None
******************************************************************************/ 
void Lcd_PORT_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;
 /* Enable GPIO clock */
  //RCC_APB2PeriphClockCmd(LCD_CS_GPIO_CLK | LCD_RS_GPIO_CLK | LCD_SCK_GPIO_CLK  | LCD_SDA_GPIO_CLK | RCC_APB2Periph_AFIO , ENABLE);

  /* Configure Lcd CS as alternate function push-pull */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Pin = LCD_CS_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(LCD_CS_PORT, &GPIO_InitStructure);
 
  /* Configure Lcd RS as alternate function push-pull */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Pin = LCD_RS_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(LCD_RS_PORT, &GPIO_InitStructure);
 
  /* Configure Lcd SCK as alternate function push-pull */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Pin = LCD_SCK_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(LCD_SCK_PORT, &GPIO_InitStructure);
 
  /* Configure Lcd SDA as alternate function push-pull */
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_InitStructure.GPIO_Pin = LCD_SDA_PIN;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_Init(LCD_SDA_PORT, &GPIO_InitStructure);
 
  GPIO_SetBits(LCD_CS_PORT,LCD_CS_PIN);
  GPIO_SetBits(LCD_RS_PORT,LCD_RS_PIN);
  GPIO_SetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  GPIO_SetBits(LCD_SDA_PORT,LCD_SDA_PIN);
 
}
/*****************************************************************************
 写命令
 输入：
 输出： None
*****************************************************************************/
void Lcd_WR_COMMAND(uint8_t value)
{
 uint8_t mask;
 GPIO_ResetBits(LCD_CS_PORT,LCD_CS_PIN);
 GPIO_ResetBits(LCD_RS_PORT,LCD_RS_PIN);
 for (mask = 0x80; mask; mask >>= 1)
 {
  if( value & mask)
   GPIO_SetBits(LCD_SDA_PORT,LCD_SDA_PIN);
  else
   GPIO_ResetBits(LCD_SDA_PORT,LCD_SDA_PIN); 
  GPIO_ResetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  
  GPIO_SetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  
 }
 
 GPIO_SetBits(LCD_CS_PORT,LCD_CS_PIN);
 GPIO_SetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  GPIO_SetBits(LCD_SDA_PORT,LCD_SDA_PIN);
}
/*****************************************************************************
 写命令
 输入：
 输出： None
*****************************************************************************/
void Lcd_WR_DAT(uint8_t value)
{
 uint8_t mask;
 GPIO_ResetBits(LCD_CS_PORT,LCD_CS_PIN);
 GPIO_SetBits(LCD_RS_PORT,LCD_RS_PIN);
 for (mask = 0x80; mask; mask >>= 1)
 {
  if( value & mask)
   GPIO_SetBits(LCD_SDA_PORT,LCD_SDA_PIN);
  else
   GPIO_ResetBits(LCD_SDA_PORT,LCD_SDA_PIN); 
  GPIO_ResetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  
  GPIO_SetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  
 }
 
 GPIO_SetBits(LCD_CS_PORT,LCD_CS_PIN);
 GPIO_SetBits(LCD_SCK_PORT,LCD_SCK_PIN);
  GPIO_SetBits(LCD_SDA_PORT,LCD_SDA_PIN);
}
/*****************************************************************************
 初始化Lcd
  输入： None
  输出： None
*****************************************************************************/
void Lcd_Init(void)
{
 Lcd_PORT_Init();
 Lcd_WR_COMMAND(0xa2); //DUTY=1/65,BIAS=1/9
 Lcd_WR_COMMAND(0xa0); //SEG Direction normal
 Lcd_WR_COMMAND(0xc8); //COM Direction normal
 Lcd_WR_COMMAND(0x25); //V0 voltage  regulator internal  resistor ratio set  20H-27H
 Lcd_WR_COMMAND(0x81);
 Lcd_WR_COMMAND(0x1b); //Vadj
 Lcd_WR_COMMAND(0x2f); //POWER CONTROL
  Lcd_WR_COMMAND(0xaf); //DISPLAY ENABLE
}  
 
void Lcd_Test(void)
{
 
 uint8_t i,j;
 for(i=0;i<8;i++)
 {
  Lcd_WR_COMMAND(0xb0|i); 
  Lcd_WR_COMMAND(0x00); 
  Lcd_WR_COMMAND(0x10); 
  for(j=0;j<128;j++)
   Lcd_WR_DAT(0x55);
 }
 Lcd_WR_COMMAND(0xb0|i);
 Lcd_WR_COMMAND(0x00); 
 Lcd_WR_COMMAND(0x10);   
 for(j=0;j<128;j++)
   Lcd_WR_DAT(0xff); 
}
/*****************************************************************************
 Lcd_Updata
  输入：None
 输出：None
*****************************************************************************/
void  Lcd_Updata(void)
{
 uint8_t i,j;
 for(i=0;i<8;i++)
 {
  Lcd_WR_COMMAND(0xb0|i); 
  Lcd_WR_COMMAND(0x00); 
  Lcd_WR_COMMAND(0x10); 
  for(j=0;j<128;j++)
   Lcd_WR_DAT(LCD_BUFFER[i*128+j]);
 }
}   
/*****************************************************************************
 Lcd_cls
  输入：char line=0,1,2,3,4,5,6,7,8
    All： 清全屏(不包括icon)
    LINE1:清第一行
    LINE2:清第二行
    LINE3:清第三行
    LINE4:清第四行
    LINE5:清第五行
    LINE6:清第六行
    LINE7:清第七行
    LINE8:清第八行
 输出：None
*****************************************************************************/
void Lcd_cls(LCD_RowValue line)
{
 uint16_t i;
 assert_param(IS_Lcd_RowValue(line));
 switch(line)
 {
  case LCD_ALL_LINE:
   for(i=0;i<(128*8);i++)
    LCD_BUFFER=0;
   break;
  case LCD_LINE1:
  case LCD_LINE2:
  case LCD_LINE3:
  case LCD_LINE4: 
  case LCD_LINE5:
  case LCD_LINE6:
  case LCD_LINE7:
  case LCD_LINE8:
   for(i=0;i<128;i++)
    LCD_BUFFER[LCD_LINE1*128+i]=0;
   break;
       
 }
 Lcd_Updata();
}
/*****************************************************************************
 Lcd_showlines
 功能：5*7的ASCII字符行显示动作（从列首开始）
 输入：dln=要显示的行
    dcl=起始列
    p=指向要显示的缓冲
 输出：NULL
*****************************************************************************/
void Lcd_showlines(char dln,char dcl,uint8_t *p,uint32_t num)
{
 uint32_t i,j;
 
 i=dcl-1;
 while((i<21)&(i  {
  
  for(j=0;j<6;j++)
    LCD_BUFFER[(dln-1)*128+6*i+j]=(Lcd_Inverse_Flag==1)
    ?~(ASCII_SMALL[((*(p+i))-32)*6+j])
    :ASCII_SMALL[((*(p+i))-32)*6+j];
  i++;
 }