/************************** Copyright (c) **********************************
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** FUZHOU FUGUANG ELECTRONICS Co.,LTD.
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** ¸£Öݸ£¹âµç×ÓÓÐÏÞ¹«Ë¾
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** http://www.fuguang.com
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**
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**-------------- File Info -------------------------------------------------
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** File name: 74HC595_Driver.c
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** Last modified Date: 2008-11-16
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** Last Version: 1.0
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** Descriptions: 74HC595 Drivers lib
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**
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**--------------------------------------------------------------------------
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** Created by: mxpopstar
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** Created date: 2008-11-16
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** Version: 1.0
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** Descriptions: The original version
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**
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**--------------------------------------------------------------------------
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** Modified by: mxpopstar
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** Modified date: 2008-11-20
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** Version:
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** Descriptions: 74HC595 Drivers lib
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**
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***************************************************************************/
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//
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#include <avr/io.h>
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#include "74HC595_Driver.h"
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#include "WorkingPage.h"
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//------------ ÅäÖÃHC595¶Ë¿Ú -----------------------------------------------
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void InitIo_HC595(void)
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{
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HC595_OE_DDR |= (1<<HC595_OE_PIN);
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HC595_STcp_DDR |= (1<<HC595_STcp_PIN);
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HC595_DS_DDR |= (1<<HC595_DS_PIN);
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HC595_SHcp_DDR |= (1<<HC595_SHcp_PIN);
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HC595_OE_1;
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HC595_SHcp_0;
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_delay_us(5);
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//SendDataToHC595(DischargeControlInit & (~WIND));
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_delay_us(5);
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}
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//
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//------------ function SpiWrite(); ----------------------------------------
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void SpiWrite_HC595(const unsigned char byte)
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{
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unsigned char i;
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for (i=0; i<8; i++) // Setup byte circulation bits
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{
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if (0x80 & (byte<<i)) // Put DATA_BUF.7 on data line
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HC595_DS_1;
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else
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HC595_DS_0;
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HC595_SHcp_1; // Set clock line high
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_delay_us(10);
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HC595_SHcp_0; // Set clock line low
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_delay_us(10);
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}
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}
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//
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//--------------- ÏòHC595·¢ËÍ16λµÄÊý¾Ý ------------------------------------
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void SendDataToHC595(const unsigned int data)
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{
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SpiWrite_HC595((unsigned char)(data>>8));
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SpiWrite_HC595((unsigned char)data);
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HC595_STcp_1;
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HC595_STcp_0;
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HC595_OE_0;
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}
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//
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