25 struct avr32_serial_device uart =  variable
39 	struct avr32_serial_device* uart = (struct avr32_serial_device*) dev->user_data;  in rt_serial_init()  local
45 			rt_memset(uart->int_rx->rx_buffer, 0, sizeof(uart->int_rx->rx_buffer));  in rt_serial_init()
46 			uart->int_rx->read_index = 0;  in rt_serial_init()
47 			uart->int_rx->save_index = 0;  in rt_serial_init()
70 	struct avr32_serial_device* uart;  in rt_serial_read()  local
74 	uart = (struct avr32_serial_device*)dev->user_data;  in rt_serial_read()
86 			if (uart->int_rx->read_index != uart->int_rx->save_index)  in rt_serial_read()
89 				*ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index];  in rt_serial_read()
93 				uart->int_rx->read_index ++;  in rt_serial_read()
94 				if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)  in rt_serial_read()
95 					uart->int_rx->read_index = 0;  in rt_serial_read()
116 			while (usart_test_hit(uart->uart_device))  in rt_serial_read()
118 				*ptr = uart->uart_device->rhr & 0xff;  in rt_serial_read()
133 	struct avr32_serial_device* uart;  in rt_serial_write()  local
137 	uart = (struct avr32_serial_device*)dev->user_data;  in rt_serial_write()
152 				usart_putchar(uart->uart_device, (int) *ptr);  in rt_serial_write()
162 				usart_bw_write_char(uart->uart_device, (int) *ptr);  in rt_serial_write()
177 	struct avr32_serial_device* uart;  in rt_serial_control()  local
181 	uart = (struct avr32_serial_device*)dev->user_data;  in rt_serial_control()
230 	struct avr32_serial_device* uart = (struct avr32_serial_device*) _rt_usart_device.user_data;  in rt_hw_serial_isr()  local
233 	if (usart_test_hit(uart->uart_device))  in rt_hw_serial_isr()
242 		uart->int_rx->rx_buffer[uart->int_rx->save_index] = uart->uart_device->rhr & 0xff;  in rt_hw_serial_isr()
243 		uart->int_rx->save_index ++;  in rt_hw_serial_isr()
244 		if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE)  in rt_hw_serial_isr()
245 			uart->int_rx->save_index = 0;  in rt_hw_serial_isr()
248 		if (uart->int_rx->save_index == uart->int_rx->read_index)  in rt_hw_serial_isr()
250 			uart->int_rx->read_index ++;  in rt_hw_serial_isr()
251 			if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)  in rt_hw_serial_isr()
252 				uart->int_rx->read_index = 0;  in rt_hw_serial_isr()
264 			rx_length = uart->int_rx->read_index > uart->int_rx->save_index ?  in rt_hw_serial_isr()
265 				UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index :  in rt_hw_serial_isr()
266 				uart->int_rx->save_index - uart->int_rx->read_index;  in rt_hw_serial_isr()
273 		usart_reset_status(uart->uart_device);  in rt_hw_serial_isr()