vk1072段码驱动C语言程序，亲测ok -

/**
******************************************************************************
* @file vk1072C.c
* @author kevin_guo
* @version V1.0.0
* @date 05-17-2018
* @brief This file contains all the vk1072C functions.
* 此文件适用于 VK1072C
******************************************************************************
* @attention
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "vk1072C.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define VK1072C_BASE100MS 226757 //通过n个nop指令实现100mS延时，根据单片机修改此常数
#define VK1072C_CLK 10 //WR信号线频率 ,由Vk1072C_Delay实现， =10->100kHz =100->11.11kHz
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
const unsigned char vk1072C_segtab[VK1072C_SEGNUM]={
0,1,2,3,4,5,13,14,15,16,17,18,19,26,27,28,29,30
};
unsigned char vk1072C_addrbit=6;//驱动ic的ram地址线数A5-A0,
unsigned char vk1072C_segi,vk1072C_comi;
unsigned char vk1072C_maxcom=4;//驱动的com数可以是4com，3com，2com
unsigned char vk1072C_dispram[VK1072C_SEGNUM];//显示RAM buffer只使用低4位，bit0->com0,bit1->com1,bit2->com2,bit3->com3
/* Private function prototypes -----------------------------------------------*/
/**
* @brief Inserts a delay time.
* @param ucDat-> 延时时间
* @retval None
*/
void Vk1072C_Delay(unsigned int ucDat)
{//ucDat=10->100kHz ucDat=100->11.11kHz ucDat=226757->100mS
while(ucDat--)
{//nop指令根据单片机做相应的修改
__nop();__nop();__nop();__nop();__nop();
__nop();__nop();__nop();__nop();__nop();
__nop();__nop();__nop();__nop();__nop();
__nop();__nop();__nop();__nop();__nop();
__nop();__nop();//__nop();__nop();__nop();
}
}
/**
* @brief Vk1072C clk
* @param None
* @retval None
*/
void WriteClockVk1072C(void)
{
VK1072C_WR_L();
Vk1072C_Delay(VK1072C_CLK);
VK1072C_WR_H();
Vk1072C_Delay(VK1072C_CLK);
}
/**
* @brief Write Vk1072C Command
* @param FunctonCode->功能/命令码
* @retval None
*/
void WriteCommandVk1072C(unsigned char FunctonCode)
{
unsigned char Shift = 0x80;
unsigned char i;
VK1072C_CS_L(); //CS 片选开
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
WriteClockVk1072C();
VK1072C_DATA_L();
WriteClockVk1072C();
VK1072C_DATA_L();
WriteClockVk1072C();
for(i = 0; i < 8; i++)
{
if(Shift & FunctonCode)
VK1072C_DATA_H();
else
VK1072C_DATA_L();
WriteClockVk1072C();
Shift = Shift >> 1;
}
VK1072C_DATA_L();
WriteClockVk1072C(); //发送一个 0 16xx中最后一位 X
VK1072C_CS_H(); //CS 片选关
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
}
/**
* @brief Write 1 data to Vk1072C
* @param Addr->写入ram的地址
* @param Databuf->写入ram的数据
* @retval None
*/
void Write1DataVk1072C(unsigned char Addr,unsigned char Dat)
{
unsigned char i;
unsigned char Shift;
Shift = 0x20; //屏蔽高3位只用5位
VK1072C_CS_L(); //CS 片选开
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
WriteClockVk1072C(); //101
VK1072C_DATA_L();
WriteClockVk1072C();
VK1072C_DATA_H();
WriteClockVk1072C();
for( i = 0; i < vk1072C_addrbit; i++)
{
if (Addr & Shift)
VK1072C_DATA_H();
else
VK1072C_DATA_L();
WriteClockVk1072C();
Shift = Shift >> 1;
}
Shift = 0x01;
for (i = 0; i < 4; i++)
{
if( Dat & Shift)
VK1072C_DATA_H();
else
VK1072C_DATA_L();
WriteClockVk1072C();
Shift = Shift << 1;
}
VK1072C_CS_H(); //CS 片选关
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
}
/**
* @brief Write n data to Vk1072C
* @param Addr->写入ram的起始地址
* @param Databuf->写入ram的数据buffer
* @param Cnt->写入ram的数据个数
* @retval None
*/
void WritenDataVk1072C(unsigned char Addr,unsigned char *Databuf,unsigned char Cnt)
{
unsigned char i,j;
unsigned char Shift;
unsigned char dataval;
VK1072C_CS_L(); //CS 片选开
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
WriteClockVk1072C(); //101
VK1072C_DATA_L();
WriteClockVk1072C();
VK1072C_DATA_H();
WriteClockVk1072C();
Shift = 0x20;
for( i = 0; i < vk1072C_addrbit; i++)
{
if (Addr & Shift)
VK1072C_DATA_H();
else
VK1072C_DATA_L();
WriteClockVk1072C();
Shift = Shift >> 1;
}
for (j = 0; j < Cnt; j++)
{
Shift = 0x01;
dataval=*Databuf++;
for (i = 0; i < 4; i++)
{
if( dataval & Shift)
VK1072C_DATA_H();
else
VK1072C_DATA_L();
WriteClockVk1072C();
Shift = Shift << 1;
}
}
VK1072C_CS_H(); //CS 片选关
Vk1072C_Delay(VK1072C_CLK/2);
VK1072C_DATA_H();
}
/**
* @brief lcd全显或全灭
* @param state=1->lcd全亮
* @param state=0->lcd全灭
* @retval None
*/
void Vk1072C_DisAll(unsigned char state)
{
unsigned char segi;
unsigned char dispram[31];
for(segi=0;segi<VK1072C_SEGNUM;segi++)
{
dispram[segi]=0;
}
for(segi=0;segi<VK1072C_SEGNUM;segi++)
{
if(state==1)
{
if(vk1072C_maxcom==2)
vk1072C_dispram[segi]=0x03;
else if(vk1072C_maxcom==3)
vk1072C_dispram[segi]=0x07;
else//maxcom==4
vk1072C_dispram[segi]=0x0f;
}
else
{
vk1072C_dispram[segi]=0x00;
}
dispram[vk1072C_segtab[segi]]=vk1072C_dispram[segi];
}
WritenDataVk1072C(0,dispram,31);
}
/**
* @brief lcd显示单个点（1comx1seg）
* @param Seg->点对应的seg
* @param Com->点对应的com
* @retval None
*/
void Vk1072C_DisSegOn(unsigned char Seg,unsigned char Com)
{
vk1072C_dispram[Seg-vk1072C_segtab[0]]|=(1<<Com);
Write1DataVk1072C(Seg,vk1072C_dispram[Seg-vk1072C_segtab[0]]);
}
/**
* @brief lcd关闭单个点（1comx1seg）
* @param None
* @retval None
*/
void Vk1072C_DisSegOff(unsigned char Seg,unsigned char Com)
{
vk1072C_dispram[Seg-vk1072C_segtab[0]]&=~(1<<Com);
Write1DataVk1072C(Seg,vk1072C_dispram[Seg-vk1072C_segtab[0]]);
}
/**
* @brief 配置Vk1072C通信线GPIO.
* @param None
* @retval None
*/
void Vk1072C_Lowlevel_Init(void)
{
//通信线电平不同，建议加电平转换电路
//此函数根据客户单片机做相应的修改
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable the Vk1072C GPIO Clock */
RCC_APB2PeriphClockCmd(VK1072C_CS_GPIO_CLK , ENABLE);
RCC_APB2PeriphClockCmd(VK1072C_WR_GPIO_CLK , ENABLE);
RCC_APB2PeriphClockCmd(VK1072C_DAT_GPIO_CLK , ENABLE);
/* Configure the GPIO pin */
GPIO_InitStructure.GPIO_Pin = VK1072C_CS_PIN;
// GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;//通讯线电平不同，可设为开漏输出，1072C有内部上拉电阻
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //通信线电平一样，可设为推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(VK1072C_CS_GPIO_PORT, &GPIO_InitStructure);
/* Configure the GPIO pin */
GPIO_InitStructure.GPIO_Pin =VK1072C_WR_PIN;
GPIO_Init(VK1072C_WR_GPIO_PORT, &GPIO_InitStructure);
/* Configure the GPIO pin */
GPIO_InitStructure.GPIO_Pin =VK1072C_DAT_PIN;
GPIO_Init(VK1072C_WR_GPIO_PORT, &GPIO_InitStructure);
}
/**
* @brief Vk1072C进入掉电低功耗模式
* @param None
* @retval None
*/
void Vk1072C_Enter_Standby(void)
{
//连续使用命令LCDOFF和SYSDIS,系统将处于掉电低功耗状态。
//只有使用片内RC时钟源时,才能使系统进入掉电低功耗状态。
WriteCommandVk1072C(OSC_OFF);
WriteCommandVk1072C(DISP_OFF);
}
/**
* @brief Vk1072C退出掉电低功耗模式
* @param None
* @retval None
*/
void Vk1072C_Exit_Standby(void)
{
//退出掉电低功耗状态重新配置vk1072C
WriteCommandVk1072C(OSC_ON);
WriteCommandVk1072C(DISP_ON);
WriteCommandVk1072C(COM_1_3__4);vk1072C_maxcom=4; //1/3bias 4com
// WriteCommandVk1072C(COM_1_3__3);vk1072C_maxcom=3; //1/3bias 3com
// WriteCommandVk1072C(COM_1_3__2);vk1072C_maxcom=2; //1/3bias 2com
// WriteCommandVk1072C(COM_1_2__4);vk1072C_maxcom=4; //1/2bias 4com
// WriteCommandVk1072C(COM_1_2__3);vk1072C_maxcom=3; //1/2bias 3com
// WriteCommandVk1072C(COM_1_2__2);vk1072C_maxcom=2; //1/2bias 2com
}
/**
* @brief Vk1072C Init
* @param None
* @retval None
*/
void Vk1072C_Init(void)
{
//管脚配置根据客户单片机做相应的修改
Vk1072C_Lowlevel_Init();
//基本配置
WriteCommandVk1072C(OSC_ON);
WriteCommandVk1072C(DISP_ON);
WriteCommandVk1072C(COM_1_3__4);vk1072C_maxcom=4; //1/3bias 4com
// WriteCommandVk1072C(COM_1_3__3);vk1072C_maxcom=3; //1/3bias 3com
// WriteCommandVk1072C(COM_1_3__2);vk1072C_maxcom=2; //1/3bias 2com
// WriteCommandVk1072C(COM_1_2__4);vk1072C_maxcom=4; //1/2bias 4com
// WriteCommandVk1072C(COM_1_2__3);vk1072C_maxcom=3; //1/2bias 3com
// WriteCommandVk1072C(COM_1_2__2);vk1072C_maxcom=2; //1/2bias 2com
//上电默认配置(以下未用功能关闭降低功耗)
WriteCommandVk1072C(TIMER_DIS);
WriteCommandVk1072C(WDT_DIS);
WriteCommandVk1072C(BUZZ_OFF);
WriteCommandVk1072C(IRQ_DIS);
}
/**
* @brief Vk1072C测试主程序
* @param None
* @retval None
*/
void Vk1072C_Main(void)
{
Vk1072C_Init();
Vk1072C_DisAll(0);
while(1)
{
Vk1072C_DisAll(1); //LCD全显
Vk1072C_Delay(50*VK1072C_BASE100MS); //延时5S
Vk1072C_DisAll(0); //LCD全关
Vk1072C_Delay(50*VK1072C_BASE100MS); //延时5S
for(vk1072C_segi=0;vk1072C_segi<VK1072C_SEGNUM;vk1072C_segi++)//seg
{
for(vk1072C_comi=0;vk1072C_comi<vk1072C_maxcom;vk1072C_comi++)//com
{
Vk1072C_DisSegOn(vk1072C_segtab[vk1072C_segi],vk1072C_comi); //LCD单个seg点亮
Vk1072C_Delay(3*VK1072C_BASE100MS); //延时300mS
Vk1072C_DisAll(0); //LCD全关
}
}
Vk1072C_DisAll(1); //LCD全显
Vk1072C_Delay(10*VK1072C_BASE100MS); //延时1S
for(vk1072C_segi=0;vk1072C_segi<VK1072C_SEGNUM;vk1072C_segi++)//seg
{
for(vk1072C_comi=0;vk1072C_comi<vk1072C_maxcom;vk1072C_comi++)//com
{
Vk1072C_DisSegOff(vk1072C_segtab[vk1072C_segi],vk1072C_comi); //LCD单个seg关闭
Vk1072C_Delay(3*VK1072C_BASE100MS); //延时300mS
Vk1072C_DisAll(1); //LCD全显
}
}
Vk1072C_Delay(10*VK1072C_BASE100MS);//延时1S
Vk1072C_DisAll(0); //LCD全关
Vk1072C_Delay(10*VK1072C_BASE100MS);//延时1S
Vk1072C_Enter_Standby(); //Vk1072C进入掉电低功耗模式
Vk1072C_Delay(50*VK1072C_BASE100MS);//延时5S
Vk1072C_Exit_Standby(); //Vk1072C退出掉电低功耗模式
}
}
/************************END OF FILE****/

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