add license and copyright info

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@226 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong
2009-12-25 12:18:53 +00:00
parent 6cd35a87c3
commit 51e2d91378
45 changed files with 473 additions and 252 deletions
+3 -3
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@@ -1,7 +1,7 @@
/*
* File : context_gcc.S
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
@@ -151,9 +151,9 @@ rt_hw_context_switch_to:
LDR r0, =NVIC_INT_CTRL /* trigger the PendSV exception (causes context switch) */
LDR r1, =NVIC_PENDSVSET
STR r1, [r0]
CPSIE I /* enable interrupts at processor level */
/* never reach here! */
/* compatible with old version */
+5 -5
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@@ -1,7 +1,7 @@
;/*
; * File : context.S
; * File : context_iar.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2006, RT-Thread Development Team
; * COPYRIGHT (C) 2009, RT-Thread Development Team
; *
; * The license and distribution terms for this file may be
; * found in the file LICENSE in this distribution or at
@@ -109,7 +109,7 @@ rt_hw_pend_sv:
swtich_to_thread
LDR r1, =rt_interrupt_to_thread
LDR r1, [r1]
LDR r1, [r1] ; load thread stack pointer
LDR r1, [r1] ; load thread stack pointer
LDMFD r1!, {r4 - r11} ; pop r4 - r11 register
MSR psp, r1 ; update stack pointer
@@ -148,9 +148,9 @@ rt_hw_context_switch_to:
LDR r0, =NVIC_INT_CTRL ; trigger the PendSV exception (causes context switch)
LDR r1, =NVIC_PENDSVSET
STR r1, [r0]
CPSIE I ; enable interrupts at processor level
; never reach here!
; compatible with old version
+5 -5
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@@ -1,7 +1,7 @@
;/*
; * File : context.S
; * File : context_rvds.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2006, RT-Thread Development Team
; * COPYRIGHT (C) 2009, RT-Thread Development Team
; *
; * The license and distribution terms for this file may be
; * found in the file LICENSE in this distribution or at
@@ -112,7 +112,7 @@ rt_hw_pend_sv PROC
swtich_to_thread
LDR r1, =rt_interrupt_to_thread
LDR r1, [r1]
LDR r1, [r1] ; load thread stack pointer
LDR r1, [r1] ; load thread stack pointer
LDMFD r1!, {r4 - r11} ; pop r4 - r11 register
MSR psp, r1 ; update stack pointer
@@ -155,10 +155,10 @@ rt_hw_context_switch_to PROC
LDR r0, =NVIC_INT_CTRL
LDR r1, =NVIC_PENDSVSET
STR r1, [r0]
; enable interrupts at processor level
CPSIE I
; never reach here!
ENDP
+3 -3
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@@ -1,15 +1,15 @@
/*
* File : cpu.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Develop Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2006-03-13 Bernard first version
* 2009-01-05 Bernard first version
*/
#include <rtthread.h>
+13
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@@ -1,3 +1,16 @@
/*
* File : fault.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first version
*/
#include <rtthread.h>
struct stack_contex
+1 -1
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@@ -1,7 +1,7 @@
/*
* File : fault_gcc.S
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
+2 -2
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@@ -1,7 +1,7 @@
;/*
; * File : context.S
; * File : fault_iar.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2006, RT-Thread Development Team
; * COPYRIGHT (C) 2009, RT-Thread Development Team
; *
; * The license and distribution terms for this file may be
; * found in the file LICENSE in this distribution or at
+1 -1
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@@ -1,5 +1,5 @@
;/*
; * File : context.S
; * File : fault_rvds.S
; * This file is part of RT-Thread RTOS
; * COPYRIGHT (C) 2006, RT-Thread Development Team
; *
+4 -4
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@@ -1,15 +1,15 @@
/*
* File : trap.c
* File : interrupt.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2006-03-13 Bernard first version
* 2009-01-05 Bernard first version
*/
#include <rtthread.h>
+69 -69
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@@ -1,11 +1,11 @@
/*
* File : serial.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
@@ -17,7 +17,7 @@
#include "serial.h"
#include <stm32f10x_dma.h>
static void rt_serial_enable_dma(DMA_Channel_TypeDef* dma_channel,
static void rt_serial_enable_dma(DMA_Channel_TypeDef* dma_channel,
rt_uint32_t address, rt_uint32_t size);
/**
@@ -34,10 +34,10 @@ int rt_serial_getc(struct stm32_serial_device* uart)
{
rt_base_t level;
int ch = -1;
/* disable interrupt */
level = rt_hw_interrupt_disable();
if (uart->int_rx->read_index != uart->int_rx->save_index)
{
ch = uart->int_rx->rx_buffer[uart->int_rx->read_index];
@@ -46,10 +46,10 @@ int rt_serial_getc(struct stm32_serial_device* uart)
if (uart->int_rx->read_index >= UART_RX_BUFFER_SIZE)
uart->int_rx->read_index = 0;
}
/* enable interrupt */
rt_hw_interrupt_enable(level);
return ch;
}
@@ -57,7 +57,7 @@ int rt_serial_getc(struct stm32_serial_device* uart)
void rt_serial_savechar(struct stm32_serial_device* uart, char ch)
{
rt_base_t level;
/* disable interrupt */
level = rt_hw_interrupt_disable();
@@ -65,7 +65,7 @@ void rt_serial_savechar(struct stm32_serial_device* uart, char ch)
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)
{
@@ -107,26 +107,26 @@ static rt_err_t rt_serial_init (rt_device_t dev)
{
if (dev->flag & RT_DEVICE_FLAG_INT_RX)
{
rt_memset(uart->int_rx->rx_buffer, 0,
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;
}
if (dev->flag & RT_DEVICE_FLAG_DMA_RX)
{
RT_ASSERT(uart->dma_rx->dma_channel != RT_NULL);
uart->dma_rx->read_index = uart->dma_rx->read_descriptor = 0;
uart->dma_rx->is_full = RT_FALSE;
}
if (dev->flag & RT_DEVICE_FLAG_INT_TX)
{
rt_memset(uart->int_tx->tx_buffer, 0,
rt_memset(uart->int_tx->tx_buffer, 0,
sizeof(uart->int_tx->tx_buffer));
uart->int_tx->write_index = uart->int_tx->save_index = 0;
}
if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
RT_ASSERT(uart->dma_rx->dma_channel != RT_NULL);
@@ -145,28 +145,28 @@ static rt_err_t rt_serial_init (rt_device_t dev)
static rt_err_t rt_serial_open(rt_device_t dev, rt_uint16_t oflag)
{
struct stm32_serial_device* uart;
RT_ASSERT(dev != RT_NULL);
uart = (struct stm32_serial_device*)dev->private;
if (dev->flag & RT_DEVICE_FLAG_DMA_RX)
{
/* enable Rx DMA */
rt_serial_enable_dma(uart->dma_rx->dma_channel,
rt_serial_enable_dma(uart->dma_rx->dma_channel,
(rt_uint32_t)&(uart->dma_rx->rx_buffer[uart->dma_rx->save_descriptor][0]),
UART_DMA_RX_BUFFER_SIZE);
}
return RT_EOK;
}
static rt_err_t rt_serial_close(rt_device_t dev)
{
struct stm32_serial_device* uart;
RT_ASSERT(dev != RT_NULL);
uart = (struct stm32_serial_device*)dev->private;
if (dev->flag & RT_DEVICE_FLAG_DMA_RX)
@@ -182,7 +182,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt
rt_uint8_t* ptr;
rt_err_t err_code;
struct stm32_serial_device* uart;
ptr = buffer;
err_code = RT_EOK;
uart = (struct stm32_serial_device*)dev->private;
@@ -217,7 +217,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt
/* set error code */
err_code = -RT_EEMPTY;
}
else
else
{
/* read data */
while ((rt_uint32_t)ptr - (rt_uint32_t)buffer < size)
@@ -225,16 +225,16 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt
/* read buffer */
*ptr ++ = uart->dma_rx->
rx_buffer[uart->dma_rx->read_descriptor][uart->dma_rx->read_index];
/* move to next position */
uart->dma_rx->read_index ++;
/* wrap read index */
if (uart->dma_rx->read_index >= UART_DMA_RX_BUFFER_SIZE)
{
/* wrap read index */
uart->dma_rx->read_index = 0;
/* move to next read descriptor */
uart->dma_rx->read_descriptor ++;
/* wrap read descriptor */
@@ -252,7 +252,7 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt
rt_hw_interrupt_enable(level);
/* re-enable DMA to receive */
rt_serial_enable_dma(uart->dma_rx->dma_channel,
rt_serial_enable_dma(uart->dma_rx->dma_channel,
(rt_uint32_t)&(uart->dma_rx->rx_buffer[uart->dma_rx->save_descriptor][0]),
UART_DMA_RX_BUFFER_SIZE);
}
@@ -286,11 +286,11 @@ static rt_size_t rt_serial_read (rt_device_t dev, rt_off_t pos, void* buffer, rt
return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
}
static void rt_serial_enable_dma(DMA_Channel_TypeDef* dma_channel,
static void rt_serial_enable_dma(DMA_Channel_TypeDef* dma_channel,
rt_uint32_t address, rt_uint32_t size)
{
RT_ASSERT(dma_channel != RT_NULL);
/* disable DMA */
DMA_Cmd(dma_channel, DISABLE);
@@ -298,7 +298,7 @@ static void rt_serial_enable_dma(DMA_Channel_TypeDef* dma_channel,
dma_channel->CMAR = address;
/* set size */
dma_channel->CNDTR = size;
/* enable DMA */
DMA_Cmd(dma_channel, ENABLE);
}
@@ -308,7 +308,7 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
rt_uint8_t* ptr;
rt_err_t err_code;
struct stm32_serial_device* uart;
err_code = RT_EOK;
ptr = (rt_uint8_t*)buffer;
uart = (struct stm32_serial_device*)dev->private;
@@ -320,17 +320,17 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
{
/* save on tx buffer */
uart->int_tx->tx_buffer[uart->int_tx->save_index] = *ptr++;
-- size;
/* move to next position */
uart->int_tx->save_index ++;
/* wrap save index */
if (uart->int_tx->save_index >= UART_TX_BUFFER_SIZE)
uart->int_tx->save_index = 0;
}
/* set error code */
if (size > 0)
err_code = -RT_EFULL;
@@ -338,9 +338,9 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
else if (dev->flag & RT_DEVICE_FLAG_DMA_TX)
{
/* DMA mode Tx */
/* allocate a data node */
struct stm32_serial_data_node* data_node =
struct stm32_serial_data_node* data_node =
(struct stm32_serial_data_node*) rt_malloc (sizeof(struct stm32_serial_data_node));
if (data_node == RT_NULL)
{
@@ -350,14 +350,14 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
else
{
rt_uint32_t level;
/* fill data node */
data_node->data_ptr = ptr;
data_node->data_size = size;
/* insert to data link */
data_node->next = RT_NULL;
/* disable interrupt */
level = rt_hw_interrupt_disable();
@@ -365,15 +365,15 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
if (uart->dma_tx->list_tail != RT_NULL)
uart->dma_tx->list_tail->next = data_node;
uart->dma_tx->list_tail = data_node;
if (uart->dma_tx->list_head == RT_NULL)
{
/* start DMA to transmit data */
uart->dma_tx->list_head = data_node;
/* Enable DMA Channel */
rt_serial_enable_dma(uart->dma_tx->dma_channel,
(rt_uint32_t)uart->dma_tx->list_head->data_ptr,
rt_serial_enable_dma(uart->dma_tx->dma_channel,
(rt_uint32_t)uart->dma_tx->list_head->data_ptr,
uart->dma_tx->list_head->data_size);
}
@@ -389,18 +389,18 @@ static rt_size_t rt_serial_write (rt_device_t dev, rt_off_t pos, const void* buf
rt_serial_putc(dev, *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, rt_uint8_t cmd, void *args)
{
struct stm32_serial_device* uart;
RT_ASSERT(dev != RT_NULL);
uart = (struct stm32_serial_device*)dev->private;
@@ -411,19 +411,19 @@ static rt_err_t rt_serial_control (rt_device_t dev, rt_uint8_t cmd, void *args)
dev->flag |= RT_DEVICE_FLAG_SUSPENDED;
USART_Cmd(uart->uart_device, DISABLE);
break;
case RT_DEVICE_CTRL_RESUME:
/* resume device */
dev->flag &= ~RT_DEVICE_FLAG_SUSPENDED;
USART_Cmd(uart->uart_device, ENABLE);
break;
}
return RT_EOK;
}
/*
* serial register for STM32
* 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 stm32_serial_device *serial)
@@ -449,10 +449,10 @@ rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t
void rt_hw_serial_isr(rt_device_t device)
{
struct stm32_serial_device* uart = (struct stm32_serial_device*) device->private;
if(USART_GetITStatus(uart->uart_device, USART_IT_RXNE) != RESET)
{
/* interrupt mode receive */
/* interrupt mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);
/* save on rx buffer */
@@ -460,7 +460,7 @@ void rt_hw_serial_isr(rt_device_t device)
{
rt_serial_savechar(uart, uart->uart_device->DR & 0xff);
}
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
@@ -468,7 +468,7 @@ void rt_hw_serial_isr(rt_device_t device)
if (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 :
@@ -477,12 +477,12 @@ void rt_hw_serial_isr(rt_device_t device)
device->rx_indicate(device, rx_length);
}
}
if (USART_GetITStatus(uart->uart_device, USART_IT_TC) != RESET)
{
/* interrupt mode transmission */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_TX);
/* transmission completed */
uart->int_tx->write_index ++;
if (uart->int_tx->write_index >= UART_TX_BUFFER_SIZE)
@@ -490,7 +490,7 @@ void rt_hw_serial_isr(rt_device_t device)
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_TC);
/* start next transmission */
if (uart->int_tx->write_index <
uart->int_tx->save_index)
@@ -501,33 +501,33 @@ void rt_hw_serial_isr(rt_device_t device)
}
}
/*
/*
* ISR for DMA mode Rx
*/
void rt_hw_serial_dma_rx_isr(rt_device_t device)
{
rt_uint32_t next_descriptor;
struct stm32_serial_device* uart = (struct stm32_serial_device*) device->private;
/* DMA mode receive */
/* DMA mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_DMA_RX);
/* invoke callback */
if (device->rx_indicate != RT_NULL)
device->rx_indicate(device, UART_DMA_RX_BUFFER_SIZE);
next_descriptor = uart->dma_rx->save_descriptor;
/* move to next descriptor */
next_descriptor ++;
if (next_descriptor >= UART_DMA_RX_DESCRIPTOR)
next_descriptor = 0;
if (next_descriptor != uart->dma_rx->read_descriptor)
{
uart->dma_rx->save_descriptor = next_descriptor;
/* enable next DMA */
rt_serial_enable_dma(uart->dma_rx->dma_channel,
rt_serial_enable_dma(uart->dma_rx->dma_channel,
(rt_uint32_t)&(uart->dma_rx->rx_buffer[uart->dma_rx->save_descriptor][0]),
UART_DMA_RX_BUFFER_SIZE);
}
@@ -539,7 +539,7 @@ void rt_hw_serial_dma_rx_isr(rt_device_t device)
}
}
/*
/*
* ISR for DMA mode Tx
*/
void rt_hw_serial_dma_tx_isr(rt_device_t device)
@@ -548,20 +548,20 @@ void rt_hw_serial_dma_tx_isr(rt_device_t device)
struct stm32_serial_data_node* data_node;
struct stm32_serial_device* uart = (struct stm32_serial_device*) device->private;
/* DMA mode receive */
/* DMA mode receive */
RT_ASSERT(device->flag & RT_DEVICE_FLAG_DMA_TX);
/* get the first data node */
data_node = uart->dma_tx->list_head;
RT_ASSERT(data_node != RT_NULL);
/* invoke call to notify tx complete */
if (device->tx_complete != RT_NULL)
device->tx_complete(device, data_node->data_ptr);
/* disable interrupt */
level = rt_hw_interrupt_disable();
/* remove list tail */
uart->dma_tx->list_tail = data_node->prev;
if (uart->dma_tx->list_tail == RT_NULL)
@@ -569,10 +569,10 @@ void rt_hw_serial_dma_tx_isr(rt_device_t device)
/* enable interrupt */
rt_hw_interrupt_enable(level);
/* free data node memory */
rt_free(data_node);
if (uart->dma_tx->list_tail != RT_NULL)
{
/* transmit next data node */
+13
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@@ -1,3 +1,16 @@
/*
* File : serial.h
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard first version
*/
#ifndef __RT_HW_SERIAL_H__
#define __RT_HW_SERIAL_H__
+2 -2
View File
@@ -1,11 +1,11 @@
/*
* File : stack.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2006, RT-Thread Development Team
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://openlab.rt-thread.com/license/LICENSE
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes