HAL库版本，硬件SPI驱动74HC595

/******************************************************************************
* Copyright 2018-2028 MK.
* FileName: 	 74HC595.c 
* Desc:
* 
* 
* Author: 	
* Date: 	 
* Notes: 
* 
* -----------------------------------------------------------------
* Histroy: v1.0    
* 
******************************************************************************/



#include “74HC595.h“
/* ?óê±?￡?é82615468 sp-320-12
 * */
 
SPI_HandleTypeDef hspi_HC595;
static uint8_t Knum=0;
static void delay（uint32_t t）
{
	uint32_t i;
	while（t--）
		for （i = 0; i < 1; i++）;
}

/******************************************************************************
* Name: 	 HC595Init 
*
* Desc: 	 HC5953?ê??ˉ
* Param: 	 
* Return: 	 
* Global: 	 
* Note: 	 
* Author: 	 
* -------------------------------------
* Log: 	 
 ******************************************************************************/
void HC595Init（void）
{
	GPIO_InitTypeDef GPIO_InitStructure;
	
	/* SPI1íaéèê±?óê1?ü */
	__HAL_RCC_SPI1_CLK_ENABLE（）;
  /* GPIO Ports Clock Enable */
	__HAL_RCC_GPIOC_CLK_ENABLE（）;
	__HAL_RCC_GPIOA_CLK_ENABLE（）;

	
	hspi_HC595.Instance = HC595_SPIx;
	hspi_HC595.Init.Mode = SPI_MODE_MASTER;
	hspi_HC595.Init.Direction = SPI_DIRECTION_2LINES;
	hspi_HC595.Init.DataSize = SPI_DATASIZE_8BIT;
	hspi_HC595.Init.CLKPolarity = SPI_POLARITY_LOW;
	hspi_HC595.Init.CLKPhase = SPI_PHASE_1EDGE;
	hspi_HC595.Init.NSS = SPI_NSS_SOFT;
	hspi_HC595.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
	hspi_HC595.Init.FirstBit = SPI_FIRSTBIT_LSB;
	hspi_HC595.Init.TIMode = SPI_TIMODE_DISABLE;
	hspi_HC595.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
	hspi_HC595.Init.CRCPolynomial = 7;
	/**HC595 GPIO Configuration 
    PA5      ------> HC595_SCK
    PA6      ------> HC595_MISO
    PA7      ------> HC595_MOSI
    PC4      ------> HC595_CS
    PA4      ------> HC595_RCK
    */
	GPIO_InitStructure.Pin = HC595_CLK_PIN | HC595_DATA_PIN;
	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
	GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
	GPIO_InitStructure.Pull = GPIO_PULLUP;
	GPIO_InitStructure.Alternate = GPIO_AF5_SPI1;
	HAL_GPIO_Init（HC595_SPI_GPIO &GPIO_InitStructure）;
	

	
	GPIO_InitStructure.Pin = HC595_CS_PIN;
	GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
	GPIO_InitStructure.Mode = GPIO_MODE_OU