0904_BOOT/BSP/ch455g.c

/*
 * File:   CH455.c
 * Author: JiangXiaowei
 */
 
#include "ch455g.h"		// 修改该文件以适应硬件环境/单片机型号等
#include "delay.h"
#include "iic2.h"
//#include "includes.h"
//定义

//#define CH455H_LED_NUM 16


//uint32_t ch455h_Time_duty[CH455H_LED_NUM];                         //占空比
//uint8_t  ch455h_Time_en[CH455H_LED_NUM];                           //使能
//uint8_t  ch455h_Time_en_process;                      //全局使能


void CH455_Init(void)
{
	iic2_init();
	CH455_Write( CH455_7SEG_ON );		//八段式
	CH455_Write( CH455_SYSON_2 );		//2级亮度
}



 
void CH455_Write( UINT16 cmd )	//写命令
{
	IIC2_Start();//启动总线
	IIC2_Send_Byte(((UINT8)(cmd>>7)&CH455_I2C_MASK)|CH455_I2C_ADDR);
	IIC2_NAck();
	IIC2_Send_Byte((UINT8)cmd);//发送数据
	IIC2_NAck();
	IIC2_Stop();//结束总线 
}
 
UINT8 CH455_Read( void )		//读取按键
{	
	UINT8 keycode;
	IIC2_Start();//启动总线
	IIC2_Send_Byte(((UINT8)(CH455_GET_KEY>>7)&CH455_I2C_MASK)|0x01|CH455_I2C_ADDR);
	IIC2_NAck();
	keycode = IIC2_Read_Byte(0);//发送数据
	IIC2_Stop();//结束总线 
	return keycode;
}


void CH455H_LED_test(void){
	static uint16_t led=0;
	CH455_Write( CH455_DIG0 | ((led>>0) & 0x0F));
	CH455_Write( CH455_DIG1 | ((led>>4) & 0x0F));
	CH455_Write( CH455_DIG2 | ((led>>8) & 0x0F));
	CH455_Write( CH455_DIG3 | ((led>>12) & 0x0F));
	led++;
}
/*-----------------------------------------------------------
 * 16 12 8 4
 * 15 11 7 3
 * 14 10 6 2 
 * 13  9 5 1
 *------------------------------------------------------------*/
void CH455H_LED_set(uint16_t led){


    led = (((led & 0xaaaa) >> 1) | ((led & 0x5555) << 1));
    led = (((led & 0xcccc) >> 2) | ((led & 0x3333) << 2));
    led = (((led & 0xf0f0) >> 4) | ((led & 0x0f0f) << 4));
    led = (((led & 0xff00) >> 8) | ((led & 0x00ff) << 8));
	
	//左边是高位，第二版
	CH455_Write( CH455_DIG0 | ((led>>0) & 0x0F));
    CH455_Write( CH455_DIG1 | ((led>>4) & 0x0F));
    CH455_Write( CH455_DIG2 | ((led>>8) & 0x0F));
    CH455_Write( CH455_DIG3 | ((led>>12) & 0x0F));
	
	//左边是高位，第一版
//    CH455_Write( CH455_DIG0 | ((led>>12) & 0x0F));
//    CH455_Write( CH455_DIG1 | ((led>>0) & 0x0F));
//    CH455_Write( CH455_DIG2 | ((led>>4) & 0x0F));
//    CH455_Write( CH455_DIG3 | ((led>>8) & 0x0F));

}

void CH455H_LED_test00(short led){


    led = (((led & 0xaaaa) >> 1) | ((led & 0x5555) << 1));
    led = (((led & 0xcccc) >> 2) | ((led & 0x3333) << 2));
    led = (((led & 0xf0f0) >> 4) | ((led & 0x0f0f) << 4));
    led = (((led & 0xff00) >> 8) | ((led & 0x00ff) << 8));
	
	//左边是高位
    CH455_Write( CH455_DIG0 | ((led>>12) & 0x0F));
    CH455_Write( CH455_DIG1 | ((led>>0) & 0x0F));
    CH455_Write( CH455_DIG2 | ((led>>4) & 0x0F));
    CH455_Write( CH455_DIG3 | ((led>>8) & 0x0F));
	
	//左边是低位
//	CH455_Write( CH455_DIG0 | ((led>>0) & 0x0F));
//	CH455_Write( CH455_DIG1 | ((led>>12) & 0x0F));
//    CH455_Write( CH455_DIG2 | ((led>>8) & 0x0F));
//    CH455_Write( CH455_DIG3 | ((led>>4) & 0x0F));

}


void CH455H_LED_test2(void){
	static uint16_t led=0;
	CH455_Write( CH455_DIG0 | ((led>>0) & 0x0F));
	CH455_Write( CH455_DIG1 | ((led>>4) & 0x0F));
	CH455_Write( CH455_DIG2 | ((led>>8) & 0x0F));
	CH455_Write( CH455_DIG3 | ((led>>12) & 0x0F));
	led=~led;
}


void CH455H_LED_test3(void){

    static uint16_t led=0;

    CH455_Write( CH455_DIG0 | ((led>>0) & 0x0F));
    led++;
    led&=0x000F;
}