BL5372-USB功能RTC时钟程序源码电路板原理图和PCB工程文件

ID:300076 · 发表于 2018-3-31 20:07

BL5372-USB功能RTC时钟电路板AD格式的电路原理图和PCB工程：

Demo演示用的固件(程序)，出货前已经烧录好，给PCBA通电即可工作！

如果您需要再次烧录，请按此HEX文件进行烧录即可。

烧录工具一般用 ST-LINK/V2, 或者J-LINK都可以！

R8、R9两者只能焊接一个
焊接R8则选择IIC接口
焊接R9则选择SPI接口

stm32程序源码：

/*
作者：紫电青霜
*/
/*Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f0xx_hal.h"
#include "usb_device.h"
#include "BL5372_IIC.h"
#include "usbd_cdc_if.h"
uint8_t RRTCiic_buf[16];
uint8_t RRTCiic_Buf_Out[26]={0x32,0x30,0x31,0x37,0xC4,0xEA,0x30,0x32,0xD4,0xC2,
0x32,0x35,0xC8,0xD5,0x32,0x32,0x3A,0x35,0x36,0x3A,0x00,0x00,0x0D,0x0A,0x0D,0x0A};
extern unsigned char Set_Year ;
extern unsigned char Set_Month ;
extern unsigned char Set_Day ;
extern unsigned char Set_Hour ;
extern unsigned char Set_Minute ;
extern unsigned char Set_Second ;
uint8_t Rec_buff[18]={0};
/* Private variables ---------------------------------------------------------*/
SPI_HandleTypeDef hspi1;
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void Error_Handler(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
void My_GPIO_Init(void);
unsigned char DataStr[]=__DATE__;
unsigned char TimeStr[]=__TIME__;
extern uint8_t UserRxBufferFS[];
int main(void)
{
unsigned char i=0;
unsigned char Miao_mark = 0;
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_SPI1_Init();
MX_USB_DEVICE_Init();
IIC_Init();
My_GPIO_Init();
if(HAL_GPIO_ReadPin(GPIOB,GPIO_PIN_7) == 0)//读取PB7管脚的电平，为低电平，则初始化BL5372时间
{
BL5372_init();
}
while (1)
{
HAL_Delay(50);
if(UserRxBufferFS[0] == 'S' && UserRxBufferFS[1] == 'T' && UserRxBufferFS[10] == 'F' && UserRxBufferFS[11] == 'N' )
{
CDC_Transmit_FS("设置年月日\r\n",12);
Set_Year = ((UserRxBufferFS[4]-0x30)<<4)+(UserRxBufferFS[5]-0x30);
Set_Month = ((UserRxBufferFS[6]-0x30)<<4)+(UserRxBufferFS[7]-0x30);
Set_Day = ((UserRxBufferFS[8]-0x30)<<4)+(UserRxBufferFS[9]-0x30);
BL5372_init();
}
else if(UserRxBufferFS[0] == 'S' && UserRxBufferFS[1] == 'T' && UserRxBufferFS[8] == 'F' && UserRxBufferFS[9] == 'I' )
{
CDC_Transmit_FS("设置时分秒\r\n",12);
Set_Hour = ((UserRxBufferFS[2]-0x30)<<4)+(UserRxBufferFS[3]-0x30);
Set_Minute = ((UserRxBufferFS[4]-0x30)<<4)+(UserRxBufferFS[5]-0x30);
Set_Second = ((UserRxBufferFS[6]-0x30)<<4)+(UserRxBufferFS[7]-0x30);
BL5372_init();
}
for(i=0;i<18;i++)
{
UserRxBufferFS[i] = 0;
}
// HAL_Delay(5);
BL5372_Read(0x00,RRTCiic_buf,7);
if(RRTCiic_buf[0] != Miao_mark)
{
//秒
RRTCiic_Buf_Out[20] = ((RRTCiic_buf[0]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[21] = (RRTCiic_buf[0]&0x0f) +0x30;
//分
RRTCiic_Buf_Out[17] = ((RRTCiic_buf[1]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[18] = (RRTCiic_buf[1]&0x0f) +0x30;
//时
RRTCiic_Buf_Out[14] = ((RRTCiic_buf[2]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[15] = (RRTCiic_buf[2]&0x0f) +0x30;
//日
RRTCiic_Buf_Out[10] = ((RRTCiic_buf[4]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[11] = (RRTCiic_buf[4]&0x0f) +0x30;
//月
RRTCiic_Buf_Out[6] = ((RRTCiic_buf[5]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[7] = (RRTCiic_buf[5]&0x0f) +0x30;
//年
RRTCiic_Buf_Out[2] = ((RRTCiic_buf[6]>>4)&0x0f) +0x30;
RRTCiic_Buf_Out[3] = (RRTCiic_buf[6]&0x0f) +0x30;
CDC_Transmit_FS((uint8_t *)RRTCiic_Buf_Out,26);
}
Miao_mark = RRTCiic_buf[0] ;
for(i=0;i<16;i++)
{
RRTCiic_buf[i] = 0;
}
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* SPI1 init function */
static void MX_SPI1_Init(void)
{
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_MASTER;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_4BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi1.Init.NSS = SPI_NSS_SOFT;
hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi1.Init.CRCPolynomial = 7;
hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE;
if (HAL_SPI_Init(&hspi1) != HAL_OK)
{
Error_Handler();
}
}
/** Pinout Configuration
*/
static void MX_GPIO_Init(void)
{
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOA_CLK_ENABLE();
}
void My_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin : PB7 */
GPIO_InitStruct.Pin = GPIO_PIN_7 ;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;//输入
GPIO_InitStruct.Pull = GPIO_PULLUP;//上拉输入
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler */
}
#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
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/