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-rw-r--r--libcpu/avr32/uc3/serial.c273
-rw-r--r--libcpu/avr32/uc3/serial.h50
2 files changed, 0 insertions, 323 deletions
diff --git a/libcpu/avr32/uc3/serial.c b/libcpu/avr32/uc3/serial.c
deleted file mode 100644
index aa63ae846f..0000000000
--- a/libcpu/avr32/uc3/serial.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * Copyright (c) 2006-2022, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2009-02-05 Bernard first version
- * 2009-10-25 Bernard fix rt_serial_read bug when there is no data
- * in the buffer.
- * 2010-03-29 Bernard cleanup code.
- * 2010-03-30 Kyle Ported from STM32 to AVR32.
- */
-
-#include "serial.h"
-#include "compiler.h"
-#include "usart.h"
-
-struct rt_device _rt_usart_device;
-struct avr32_serial_int_rx _rt_usart_rx;
-struct avr32_serial_device uart =
-{
- .uart_device = (avr32_usart_t *) &AVR32_USART1,
- .int_rx = &_rt_usart_rx
-};
-
-/**
- * @addtogroup AVR32UC3
- */
-/*@{*/
-
-/* RT-Thread Device Interface */
-static rt_err_t rt_serial_init (rt_device_t dev)
-{
- struct avr32_serial_device* uart = (struct avr32_serial_device*) dev->user_data;
-
- if (!(dev->flag & RT_DEVICE_FLAG_ACTIVATED))
- {
- if (dev->flag & RT_DEVICE_FLAG_INT_RX)
- {
- rt_memset(uart->int_rx->rx_buffer, 0, sizeof(uart->int_rx->rx_buffer));
- uart->int_rx->read_index = 0;
- uart->int_rx->save_index = 0;
- }
-
- dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
- }
-
- return RT_EOK;
-}
-
-static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
-{
- return RT_EOK;
-}
-
-static rt_err_t rt_serial_close(rt_device_t dev)
-{
- return RT_EOK;
-}
-
-static rt_ssize_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
-{
- rt_uint8_t* ptr;
- rt_err_t err_code;
- struct avr32_serial_device* uart;
-
- ptr = buffer;
- err_code = RT_EOK;
- uart = (struct avr32_serial_device*)dev->user_data;
-
- if (dev->flag & RT_DEVICE_FLAG_INT_RX)
- {
- /* interrupt mode Rx */
- while (size)
- {
- rt_base_t level;
-
- /* disable interrupt */
- level = rt_hw_interrupt_disable();
-
- if (uart->int_rx->read_index != uart->int_rx->save_index)
- {
- /* read a character */
- *ptr++ = uart->int_rx->rx_buffer[uart->int_rx->read_index];
- size--;
-
- /* move to next position */
- uart->int_rx->read_index ++;
- if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
- uart->int_rx->read_index = 0;
- }
- else
- {
- /* set error code */
- err_code = -RT_EEMPTY;
-
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
- break;
- }
-
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
- }
- }
- else
- {
- /* polling mode */
- while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
- {
- while (usart_test_hit(uart->uart_device))
- {
- *ptr = uart->uart_device->rhr & 0xff;
- ptr ++;
- }
- }
- }
-
- /* set error code */
- rt_set_errno(err_code);
- return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
-}
-
-static rt_ssize_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
-{
- rt_uint8_t* ptr;
- rt_err_t err_code;
- struct avr32_serial_device* uart;
-
- err_code = RT_EOK;
- ptr = (rt_uint8_t*)buffer;
- uart = (struct avr32_serial_device*)dev->user_data;
-
- if (dev->flag & RT_DEVICE_FLAG_INT_TX)
- {
- /* interrupt mode Tx, does not support */
- RT_ASSERT(0);
- }
- else
- {
- /* polling mode */
- if (dev->flag & RT_DEVICE_FLAG_STREAM)
- {
- /* stream mode */
- while (size)
- {
- usart_putchar(uart->uart_device, (int) *ptr);
-
- ++ptr; --size;
- }
- }
- else
- {
- /* write data directly */
- while (size)
- {
- usart_bw_write_char(uart->uart_device, (int) *ptr);
-
- ++ptr; --size;
- }
- }
- }
-
- /* set error code */
- rt_set_errno(err_code);
-
- return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
-}
-
-static rt_err_t rt_serial_control (rt_device_t dev, int cmd, void *args)
-{
- struct avr32_serial_device* uart;
-
- RT_ASSERT(dev != RT_NULL);
-
- uart = (struct avr32_serial_device*)dev->user_data;
- switch (cmd)
- {
- case RT_DEVICE_CTRL_SUSPEND:
- /* suspend device */
- dev->flag |= RT_DEVICE_FLAG_SUSPENDED;
- break;
-
- case RT_DEVICE_CTRL_RESUME:
- /* resume device */
- dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED;
- break;
- }
-
- return RT_EOK;
-}
-
-/*
- * serial register for STM32
- * support STM32F103VB and STM32F103ZE
- */
-rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct avr32_serial_device *serial)
-{
- RT_ASSERT(device != RT_NULL);
-
- if ((flag & RT_DEVICE_FLAG_DMA_RX) ||
- (flag & RT_DEVICE_FLAG_INT_TX))
- {
- RT_ASSERT(0);
- }
-
- device->type = RT_Device_Class_Char;
- device->rx_indicate = RT_NULL;
- device->tx_complete = RT_NULL;
- device->init = rt_serial_init;
- device->open = rt_serial_open;
- device->close = rt_serial_close;
- device->read = rt_serial_read;
- device->write = rt_serial_write;
- device->control = rt_serial_control;
- device->user_data = serial;
-
- /* register a character device */
- return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);
-}
-
-/* ISR for serial interrupt */
-void rt_hw_serial_isr(void)
-{
- struct avr32_serial_device* uart = (struct avr32_serial_device*) _rt_usart_device.user_data;
- rt_base_t level;
-
- if (usart_test_hit(uart->uart_device))
- {
- /* interrupt mode receive */
- RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
-
- /* disable interrupt */
- level = rt_hw_interrupt_disable();
-
- /* save character */
- uart->int_rx->rx_buffer[uart->int_rx->save_index] = uart->uart_device->rhr & 0xff;
- uart->int_rx->save_index ++;
- if (uart->int_rx->save_index >= UART_RX_BUFFER_SIZE)
- uart->int_rx->save_index = 0;
-
- /* if the next position is read index, discard this 'read char' */
- if (uart->int_rx->save_index == uart->int_rx->read_index)
- {
- uart->int_rx->read_index ++;
- if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
- uart->int_rx->read_index = 0;
- }
-
- /* enable interrupt */
- rt_hw_interrupt_enable(level);
-
- /* invoke callback */
- if (_rt_usart_device.rx_indicate != RT_NULL)
- {
- rt_size_t rx_length;
-
- /* get rx length */
- rx_length = uart->int_rx->read_index > uart->int_rx->save_index ?
- UART_RX_BUFFER_SIZE - uart->int_rx->read_index + uart->int_rx->save_index :
- uart->int_rx->save_index - uart->int_rx->read_index;
-
- _rt_usart_device.rx_indicate(&_rt_usart_device, rx_length);
- }
- }
- else
- {
- usart_reset_status(uart->uart_device);
- }
-}
-
-/*@}*/
diff --git a/libcpu/avr32/uc3/serial.h b/libcpu/avr32/uc3/serial.h
deleted file mode 100644
index 54c057ab1d..0000000000
--- a/libcpu/avr32/uc3/serial.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Copyright (c) 2006-2022, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date Author Notes
- * 2009-01-05 Bernard first version
- * 2010-03-29 Bernard remove interrupt tx and DMA rx mode.
- * 2010-03-30 Kyle Ported from STM32 to AVR32.
- */
-
-#ifndef __RT_HW_SERIAL_H__
-#define __RT_HW_SERIAL_H__
-
-#include <rthw.h>
-#include <rtthread.h>
-#include "compiler.h"
-#include "usart.h"
-
-#define UART_RX_BUFFER_SIZE 64
-#define UART_TX_DMA_NODE_SIZE 4
-
-/* data node for Tx Mode */
-struct avr32_serial_data_node
-{
- rt_uint8_t *data_ptr;
- rt_size_t data_size;
- struct avr32_serial_data_node *next, *prev;
-};
-
-struct avr32_serial_int_rx
-{
- rt_uint8_t rx_buffer[UART_RX_BUFFER_SIZE];
- rt_uint32_t read_index, save_index;
-};
-
-struct avr32_serial_device
-{
- avr32_usart_t *uart_device;
-
- /* rx structure */
- struct avr32_serial_int_rx* int_rx;
-};
-
-rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct avr32_serial_device *serial);
-
-void rt_hw_serial_isr();
-
-#endif
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