{rt_hw_serial_isr(&serial1, RT_SERIAL_EVENT_RX_IND);/* clear interrupt */USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE); }if(USART_GetITStatus(uart->uart_device, uart->tx_irq_type) != RESET) {/* clear interrupt */rt_hw_serial_isr(&serial1, RT_SERIAL_EVENT_TX_DONE)...
extern void rt_hw_serial_isr(struct rt_device *device); /* enter interrupt */ rt_interrupt_enter(); rt_hw_serial_isr(&uart1_device);//这个函数应该如何使用? /* leave interrupt */ rt_interrupt_leave(); #endif } 通过中断接收数据,接收到的数据是怎样获得呢?通过rt_serial_read这个函数吗?
139 static int serial_fops_read(struct dfs_fd *fd, void *buf, size_t count) 140 { 141 int size = 0; 142 rt_device_t device; 143 144 device = (rt_device_t)fd->data; 145 146 do 147 { 148 size = rt_device_read(device, -1, buf, count); 149 if (size <= 0) 150 { 151...
This example program provides you with easily configurable interrupt-driven serial I/O routines. The buffer sizes for receive and transmit may be independently configured to 2,4,8,16,32,64, or 128 bytes in length. The memory space used for each buffer and for the control indexes is also ea...
官方网站也建议在 ISR( ) 內或是在用 attachInterrupt 连接的中断处理程序內,最好不要使用 Serial....
16 Channel Async serial interface for ISR4000 series router 咨询商品吗? 您的昵称: *必填(注意请不要超过20个字符) 电子邮箱: *必填(注意请不要超过200个字符) 请在这里输入您要咨询的内容:*必填(注意请不要超过200个字符) 用户名: 密码: 验证码: 注册 如果你对此商品评价或分享经验,在此提交 您的...
1-port Serial WAN Interface Module for Cisco 800M Series Integrated Services Routers Data SheetCisco Series Routers