UART_ CTRL_HD_SEND_BREAK 设置此值,允许UART在总线上发送一个 中断信号.此位最好用 UART_SendBreak() 函数写入. UART_CTRL_MARK 将下一次数据传输(在 Mark/Space 奇偶 校验模式)中的奇偶校验位配置为 1 或 0. UART_CTRL_PARITY_TYPE_MASK 配置下一传输的奇偶校验的两位宽字段 (若软件可配
/* 发送完成标志 */ volatile bool uart_send_complete_flag = false; /* 串口中断回调 */ void debug_uart4_callback (uart_callback_args_t * p_args) { switch (p_args->event) { case UART_EVENT_RX_CHAR: { /* 把串口接收到的数据发送回去 */ R_SCI_UART_Write(&g_uart4_ctrl, (uint8...
189 SysTick->VAL =0x00; //清空计数器 190 SysTick->CTRL=0x01 ; //开始倒数 191 }else if(unit==US) 192 { 193 SysTick->LOAD=num*Delay_SYSCLK/8; //时间加载 194 SysTick->VAL=0x00; //清空计数器 195 SysTick->CTRL=0x01 ; //开始倒数 196 } 197 virtual_delay_status=SET; 198 re...
rCICOCTRL (*(volatile unsigned *)0x4F00004C) #define rCICOSCPRERATIO (*(volatile unsigned *)0x4F000050) #define rCICOSCPREDST (*(volatile unsigned *)0x4F000054) #define rCICOSCCTRL (*(volatile unsigned *)0x4F000058) #define rCICOTAREA (...
三、串口三的配置(初始化+中断配置+中断接收函数) 1/*===2Copyright:3Version:4Author:5Date: 2017/11/36Description:7函数功能是将接收固定长度的字符串,并将接收后的字符串通过串口发送出去8通过滴答定时器方式获取数据9revise Description:10===*/11#include"stm32f10x_usart.h"12#include"...
; System Control Unit (SCU) definitions SCU_BASE EQU 0x5C002000 ; SCU Base Address (non-buffered) SCU_CLKCNTR_OFS EQU 0x00 ; Clock Control register Offset SCU_PLLCONF_OFS EQU 0x04 ; PLL Configuration register Offset SCU_SYSSTAT_OFS EQU 0x08 ; System Status Register Offset SCU_PCGR0_OFS...
GPIO_Mode_IN_FLOATING;//浮空输入34GPIO_Init(GPIOA, &GPIO_InitStructure);3536RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2,ENABLE);//复位串口237RCC_APB1PeriphResetCmd(RCC_APB1Periph_USART2,DISABLE);//停止复位3839NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置NVIC中断分组2:2位抢占优先级,...
111: USB_STAT1 asserted low when USB bus reset is asserted CTRL0 00: Invalid 01: USB_STAT1 open drain 10: USB_STAT1 actively driven 11: Invalid 273DSR00 41 Rev. 1F XR21B1424 OTP Map Note that all OTP memory locations are 8 bits wide. Address Register Name 0x000 HW_CONFIG 0x007 ...
191 }else if(unit==US) 192 { 193 SysTick->LOAD=num*Delay_SYSCLK/8; //时间加载 194 SysTick->VAL=0x00; //清空计数器 195 SysTick->CTRL=0x01 ; //开始倒数 196 } 197 virtual_delay_status=SET; 198 return 0; 199 } 200 else ...
(u32 num,u8 unit) 182 { 183 u32 temp; 184 if(virtual_delay_status==RESET) // SYSTICK空闲,可以使用 185 { 186 if(unit==MS) 187 { 188 SysTick->LOAD=(u32)num*Delay_SYSCLK*125;//时间加载(SysTick->LOAD为24bit) 189 SysTick->VAL =0x00; //清空计数器 190 SysTick->CTRL=0x01 ...