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#include "595.h"
#include "gpio.h"
#include "stm32f1xx_hal.h"
/*引腳定義*/
#define DS_H() HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_SET);//高電平
#define DS_L() HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_RESET);//低電平
#define SHCP_H() HAL_GPIO_WritePin(GPIOB, SHCP_Pin, GPIO_PIN_SET);//高電平
#define SHCP_L() HAL_GPIO_WritePin(GPIOB, SHCP_Pin, GPIO_PIN_RESET);//低電平
#define STCP_H() HAL_GPIO_WritePin(STCP_GPIO_Port, STCP_Pin, GPIO_PIN_SET);//高電平
#define STCP_L() HAL_GPIO_WritePin(STCP_GPIO_Port, STCP_Pin, GPIO_PIN_RESET);//低電平
/*
16 VCC 電源 2V-6V
15 QA 并行輸出 QB QC....QH
14 SI/DS DATA 串行數據輸入
13 OE_ 輸出使能 PWM控制亮度
12 RCK/STCP CS 輸出到鎖存器時鐘
11 SCK/SHCP CLK DATA輸入時鐘
10 SCLR/MR 低電平清零接VCC
9 SQH/Q7S 串行數據輸出接下一個595
*/
void for_delay_us(uint32_t nus);
void hc595_init(); //595初始化
void hc595_out_enable(); //595使能輸出
void hc595_send_byte(uint8_t outdata); //595發送一個字節數據
void hc595_send_multi_byte(uint8_t *ddata,uint16_t len); //595發送多個數據，ddata為發送數據指針，len為長度
//========================================================================
// 描述: 實現延時us.
// 參數: none.
// 返回: none.
//========================================================================
void for_delay_us(uint32_t nus)
{
uint32_t Delay = nus * 168/4;
do
{
// __NOP();
}
while (Delay --);
}
//========================================================================
// 描述: 595初始化引腳.
// 參數: none.
// 返回: none.
//========================================================================
void hc595_init()
{
//引腳初始化
DS_L();
STCP_L();
SHCP_L();
}
//========================================================================
// 描述: 595使能輸出.
// 參數: none.
// 返回: none.
//========================================================================
void hc595_out_enable()
{
STCP_L();
for_delay_us(5); // 適當延時
STCP_H();
for_delay_us(5); // 適當延時
STCP_L();
}
//========================================================================
// 描述: 595發送8位數據.
// 參數: 8位數據.
// 返回: none.
//========================================================================
void hc595_send_byte(uint8_t outdata)
{
uint8_t i;
for(i=0;i<8;i++) //將8位數據按位發送，先發高字節再發低字節
{
if((outdata&0x80)==0x80)
{
DS_H();
}
else
{
DS_L();
}
SHCP_L(); //時鐘線低電平
SHCP_H(); //時鐘線高電平
outdata = outdata<<1;
}
}
//========================================================================
// 描述: 595發送數組.
// 參數: 數組地址，數據長度.
// 返回: none.
//========================================================================
void hc595_send_multi_byte(uint8_t *ddata,uint16_t len)
{
uint16_t i;
for(i=0;i<len;i++)
{
hc595_send_byte(ddata[i]);
}
// hc595_out_enable();
}
//#endif
/*
#define unchar unsigned char
#define unint unsigned int
unsigned char table[10]; //定義10個595的變量緩存
void datout(unsigned char add,dat) //595輸出函數,一次輸出16位 add595選擇,dat數據
{
unsigned char i,j,temp;
table[add]=dat;
for(j=0;j<10;j++) //一次輸出10個值
{
temp=table[j];
for(i=0;i<8;i++)
{
temp=temp>>1;
sh_cp=0;
ds=CY;
sh_cp=1;
}
}
st_cp=0;
st_cp=1;
}
void main()
{
P2=0xff;
while(1)
{
run();
datout(0,0x00);//第十個595 輸出8
datout(1,0xFF);//第九個595 輸出7
datout(2,0xfe);//第八個595 輸出6
datout(3,0xfd);//第七個595 輸出5
datout(4,0xfb);//第六個595 輸出4
datout(5,0xf7);//第五個595 輸出8
datout(6,0xef);//第四個595 輸出7
datout(7,0xdf);//第三個595 輸出6
datout(8,0xd9);//第二個595 聯級第二個其余以此類推，輸出11111101
datout(9,0x80);//第一個595 單片機連接的第一個，輸出11111110
*/
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* @attention
*
* Copyright (c) 2024 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "stdio.h"
#include "595.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
//#define DS(n) (n?HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_SET):HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_RESET));
#define LED_H() HAL_GPIO_WritePin(GPIOB, LED_Pin, GPIO_PIN_SET);//高電平
#define LED_L() HAL_GPIO_WritePin(GPIOB, LED_Pin, GPIO_PIN_RESET);//低電平
/*
#define DS_H() HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_SET);//高電平
#define DS_L() HAL_GPIO_WritePin(GPIOB, DS_Pin, GPIO_PIN_RESET);//低電平
#define SHCP_H() HAL_GPIO_WritePin(GPIOB, SHCP_Pin, GPIO_PIN_SET);//高電平
#define SHCP_L() HAL_GPIO_WritePin(GPIOB, SHCP_Pin, GPIO_PIN_RESET);//低電平
#define STCP_H() HAL_GPIO_WritePin(STCP_GPIO_Port, STCP_Pin, GPIO_PIN_SET);//高電平
#define STCP_L() HAL_GPIO_WritePin(STCP_GPIO_Port, STCP_Pin, GPIO_PIN_RESET);//低電平
*/
#define EN_H() HAL_GPIO_WritePin(GPIOB, EN_Pin, GPIO_PIN_SET);//高電平
#define EN_L() HAL_GPIO_WritePin(GPIOB, EN_Pin, GPIO_PIN_RESET);//低電平
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/** 595數組輸出 **/
uint8_t BUF[10]={
0xfe, //1路11111110
0xfd, //2路11111101
0xfb, //3路11111011
0x7f, //4路11110111
0x03, //5路11101111
0xf7, //6路11011111
0x10, //7路10111111
0xdd, //8路01111111
0x02, //9路
0x08 //10路
};
void EN() //控制595端口使能輸出
{
HAL_Delay(1000);
EN_L();
}
void out()//控制LED輸出
{
LED_H();
HAL_Delay(10);
LED_L();
HAL_Delay(50);
}
void setup()
{
//控制595端口輸出
//595 OE引腳接地使能，DS,STCP,SHCP根據實際情況連接對應引腳
//595 支持級聯，數組第一個字節最先發送
hc595_init();//HC595初始化
hc595_send_multi_byte(BUF,10);//595發送多個數據(級聯第一個595在連接多個時會變成最后一個)
hc595_out_enable();//595使能輸出
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
// EN();//控制595輸出端口使能
//setup();
printf("初始化成功...\r\n");
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
printf("運行正常...\r\n");
EN_L(); //打開595輸出
setup(); //發送數據
out(); //led燈閃爍
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI_DIV2;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL16;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */

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