重写BSP

This commit is contained in:
iorebuild 2025-07-25 21:27:22 +08:00
parent 957efa64ab
commit d963759f90
10 changed files with 300 additions and 295 deletions

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@ -1,131 +1,26 @@
#ifndef __BOARD_H__ #ifndef __BOARD_H__
#define __BOARD_H__ #define __BOARD_H__
/* MCU INCLUDE */
#include <stm32f10x.h> #include <stm32f10x.h>
#define VERSION "v1.0.0" /* PERIPH INCLUDE */
#include "Gpio.h"
/* **********NVIC中断向量控制器组别********** */ #include "Usart.h"
#define NVIC_GROUP_LEVEL NVIC_PriorityGroup_2 #include "Interrupt.h"
/* **********END********** */ #include "Flash.h"
/* 使用OSThreadX */
#define USE_THREADX
/* **********SystemClock相关********** */
// GPIO
#define GPIO_ENABLE
#define USE_GPIOA
#define USE_GPIOB
#define USE_GPIOC
#define USE_GPIOD
#define USE_GPIOE
#define USE_GPIOF
#define USE_GPIOG
// USART
#define USART_ENABLE
#define USE_USART1
#undef USE_USART2
#undef USE_USART3
#undef USE_USART4
#undef USE_USART5
#undef USE_USART6
/* **********END********** */
/* **********GPIO DO DI相关********** */
// 数字输出
#undef USE_DIGITAL_OUTPUT
#ifdef USE_DIGITAL_OUTPUT
#define DO_NUM 2
#define DO1 0
#define DO2 1
#endif
// 数字输入
#undef USE_DIGITAL_INPUT
#ifdef USE_DIGITAL_INPUT
#define DI_NUM 2
#define DI1 0
#define DI2 1
#endif
// LED灯
#define USE_LED
#ifdef USE_LED
#define LED_NUM 3
#define LED0 0
#define LED1 1
#define LED2 2
#endif
/* **********END********** */
/* **********串口相关********** */
#ifdef USE_USART1
#define COM0 USART1_BASE
#define COM0_IRQN USART1_IRQn
#define COM0_TX_PORT GPIOA
#define COM0_RX_PORT GPIOA
#define COM0_TX_PIN GPIO_Pin_9
#define COM0_RX_PIN GPIO_Pin_10
#endif
#ifdef USE_USART2
#define COM1 USART2_BASE
#define COM1_IRQN USART2_IRQn
#define COM1_TX_PORT GPIOA
#define COM1_RX_PORT GPIOA
#define COM1_TX_PIN GPIO_Pin_2
#define COM1_RX_PIN GPIO_Pin_3
#endif
#ifdef USE_USART3
#define COM2 USART3_BASE
#define COM2_IRQN USART3_IRQn
#define COM2_TX_PORT GPIOB
#define COM2_RX_PORT GPIOB
#define COM2_TX_PIN GPIO_Pin_10
#define COM2_RX_PIN GPIO_Pin_11
#endif
#ifdef USE_USART4
#define COM3 UART4_BASE
#define COM3_IRQN UART4_IRQn
#define COM3_TX_PORT GPIOC
#define COM3_RX_PORT GPIOC
#define COM3_TX_PIN GPIO_Pin_10
#define COM3_RX_PIN GPIO_Pin_11
#endif
#ifdef USE_USART5
#define COM4 UART5_BASE
#define COM4_IRQN UART5_IRQn
#define COM4_TX_PORT GPIOB
#define COM4_RX_PORT GPIOD
#define COM4_TX_PIN GPIO_Pin_12
#define COM4_RX_PIN GPIO_Pin_2
#endif
/* LetterShell */
#define USE_SHELL
#ifdef USE_SHELL
#define TTY_COM COM0
#define TTY_COM_IRQN COM0_IRQN
#endif
/* **********END********** */
#define USE_ANALOG_INPUT
#define USE_ANALOG_OUTPUT
/* 自定义Flash布局相关 */ /* VERSION INFO */
#define BOOT_SIZE_16 /* 16Kb的Bootloader大小 不带网络*/ #define HARDWARE_VERSION "v1.0.0"
//#define BOOT_SIZE_32 /* 32Kb的Bootloader大小 带网络*/ #define SOFTWARE_VERSION "v1.0.0"
#define FLASH_BASE_ADDR 0x08000000 //Flash基地址 /* RTOS */
#define BOOT_ADDR 0x08000000 //引导程序地址 #define USE_RTOS
//BOOT程序大小 #ifdef USE_RTOS
#ifdef BOOT_SIZE_16 #undef USE_FREERTOS
#define BOOT_ROM 0x4000 #undef USE_UCOS
#define USE_THREADX
#endif #endif
#ifdef BOOT_SIZE_32
#define BOOT_ROM 0x8000
#endif
#define USER_PARAM_ADDR (FLASH_BASE_ADDR + BOOT_ROM) //用户参数分区
#define APPLICATION_ADDR 0x08010000 //从128K的位置开始是应用程序
/* **********END********** */
#endif #endif

20
App/Board/Flash.h Normal file
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@ -0,0 +1,20 @@
#ifndef __FLASH_H__
#define __FLASH_H__
///* 自定义Flash布局相关 */
//#define BOOT_SIZE_16 /* 16Kb的Bootloader大小 不带网络*/
////#define BOOT_SIZE_32 /* 32Kb的Bootloader大小 带网络*/
//#define FLASH_BASE_ADDR 0x08000000 //Flash基地址
//#define BOOT_ADDR 0x08000000 //引导程序地址
////BOOT程序大小
//#ifdef BOOT_SIZE_16
// #define BOOT_ROM 0x4000
//#endif
//#ifdef BOOT_SIZE_32
// #define BOOT_ROM 0x8000
//#endif
//#define USER_PARAM_ADDR (FLASH_BASE_ADDR + BOOT_ROM) //用户参数分区
//#define APPLICATION_ADDR 0x08010000 //从128K的位置开始是应用程序
#endif

62
App/Board/Gpio.h Normal file
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@ -0,0 +1,62 @@
#ifndef __GPIO_H__
#define __GPIO_H__
/* MCU_GPIO_INFO */
#define GPIO_PORT_NUM 7 //共7组GPIO
#define GPIO_PIN_NUM 16 //每组16个Pin
//数组信号输出开关
#define DO_ON 0
#define DO_OFF 1
//LED灯开关
#define LED_ON 0
#define LED_OFF 1
//GPIO结构体
typedef struct
{
GPIO_TypeDef* GpioPort;
unsigned short GpioPin;
uint8_t DefaultStatus;
}GPIO_ST, *GPIO_ST_PTR;
/* **********SystemClock相关********** */
// GPIO
#define GPIO_ENABLE
#ifdef GPIO_ENABLE
#define USE_GPIOA
#define USE_GPIOB
#define USE_GPIOC
#define USE_GPIOD
#define USE_GPIOE
#define USE_GPIOF
#define USE_GPIOG
#endif
/* **********GPIO DO DI相关********** */
// 数字输出
#undef USE_DIGITAL_OUTPUT
#ifdef USE_DIGITAL_OUTPUT
#define DO_NUM 2
#define DO1 0
#define DO2 1
#endif
// 数字输入
#undef USE_DIGITAL_INPUT
#ifdef USE_DIGITAL_INPUT
#define DI_NUM 2
#define DI1 0
#define DI2 1
#endif
// LED灯
#define USE_LED
#ifdef USE_LED
#define LED_NUM 2
#define LED0 0
#define LED1 1
#endif
#endif

69
App/Board/Interrupt.h Normal file
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@ -0,0 +1,69 @@
#ifndef __INTERRUPT_H__
#define __INTERRUPT_H__
/* **********NVIC中断向量控制器组别********** */
#define NVIC_GROUP_LEVEL NVIC_PriorityGroup_2
/* **********END********** */
/* Control System Interrupt Sw */
#define DISABLE_INTERRUPT __set_PRIMASK(1);
#define ENABLE_INTERRUPT __set_PRIMASK(0);
#define INTERRUPT_NUM 300 //System Interrupt Num
#ifdef INTERRUPT_NUM
/* INTERRUPT_DESC_ST STRUCT */
typedef struct
{
void(*CallBack)(unsigned int); //回调函数
unsigned int IntId; //触发中断的外设id
} INTERRUPT_DESC_ST;
/* INTERRUPT_ST STRUCT */
typedef struct
{
INTERRUPT_DESC_ST Adc_1_2;
INTERRUPT_DESC_ST Usb_Hp_Can1_Tx;
INTERRUPT_DESC_ST Usb_Hp_Can1_Rx0;
INTERRUPT_DESC_ST Can1_Rx1;
INTERRUPT_DESC_ST Can1_Sce;
INTERRUPT_DESC_ST Exti_9_5;
INTERRUPT_DESC_ST Tim_1_Brk;
INTERRUPT_DESC_ST Tim_1_Up;
INTERRUPT_DESC_ST Tim_1_Trg_Com;
INTERRUPT_DESC_ST Tim_1_Cc;
INTERRUPT_DESC_ST Tim_2;
INTERRUPT_DESC_ST Tim_3;
INTERRUPT_DESC_ST Tim_4;
INTERRUPT_DESC_ST I2c_1_Ev;
INTERRUPT_DESC_ST I2c_1_ER;
INTERRUPT_DESC_ST I2c_2_Ev;
INTERRUPT_DESC_ST I2c_2_ER;
INTERRUPT_DESC_ST Spi_1;
INTERRUPT_DESC_ST Spi_2;
INTERRUPT_DESC_ST Usart1;
INTERRUPT_DESC_ST Usart2;
INTERRUPT_DESC_ST Usart3;
INTERRUPT_DESC_ST Exti_15_10;
INTERRUPT_DESC_ST Rtc_Alarm;
INTERRUPT_DESC_ST Usb_WackUp;
INTERRUPT_DESC_ST Tim_8_Brk;
INTERRUPT_DESC_ST Tim_8_Up;
INTERRUPT_DESC_ST Tim_8_Trg_Com;
INTERRUPT_DESC_ST Tim_8_Cc;
INTERRUPT_DESC_ST Adc_3;
INTERRUPT_DESC_ST Fsmc;
INTERRUPT_DESC_ST Sdio;
INTERRUPT_DESC_ST Tim_5;
INTERRUPT_DESC_ST Spi_3;
INTERRUPT_DESC_ST Uart4;
INTERRUPT_DESC_ST Uart5;
INTERRUPT_DESC_ST Tim_6;
INTERRUPT_DESC_ST Tim_7;
INTERRUPT_DESC_ST Dma_2_Chnl_1;
INTERRUPT_DESC_ST Dma_2_Chnl_2;
INTERRUPT_DESC_ST Dma_2_Chnl_3;
INTERRUPT_DESC_ST Dma_2_Chnl_4;
} INTERRUPT_ST, *INTERRUPT_ST_PTR;
#endif
#endif

112
App/Board/Usart.h Normal file
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@ -0,0 +1,112 @@
#ifndef __USART_H__
#define __USART_H__
//数据位
#define USART_DATA_BIT_8 USART_WordLength_8b //数据位8
#define USART_DATA_BIT_9 USART_WordLength_9b //数据位9
//停止位
#define USART_STOP_BIT_1 USART_StopBits_1 //停止位1
#define USART_STOP_BIT_0_5 USART_StopBits_0_5 //停止位0.5
#define USART_STOP_BIT_2 USART_StopBits_2 //停止位2
#define USART_STOP_BIT_1_5 USART_StopBits_1_5 //停止位1.5
//校验位
#define USART_PARITY_NO USART_Parity_No //无校验
#define USART_PRAITY_EVEN USART_Parity_Even //偶校验
#define USART_PRAITY_ODD USART_Parity_Odd //奇校验
//USART
#define USART_ENABLE
#ifdef USART_ENABLE
#define USE_USART1
#undef USE_USART2
#undef USE_USART3
#undef USE_USART4
#undef USE_USART5
#undef USE_USART6
#endif
/* **********串口相关********** */
#ifdef USE_USART1
#define COM0 USART1_BASE
#define COM0_IRQN USART1_IRQn
#define COM0_TX_PORT GPIOA
#define COM0_RX_PORT GPIOA
#define COM0_TX_PIN GPIO_Pin_9
#define COM0_RX_PIN GPIO_Pin_10
#endif
#ifdef USE_USART2
#define COM1 USART2_BASE
#define COM1_IRQN USART2_IRQn
#define COM1_TX_PORT GPIOA
#define COM1_RX_PORT GPIOA
#define COM1_TX_PIN GPIO_Pin_2
#define COM1_RX_PIN GPIO_Pin_3
#endif
#ifdef USE_USART3
#define COM2 USART3_BASE
#define COM2_IRQN USART3_IRQn
#define COM2_TX_PORT GPIOB
#define COM2_RX_PORT GPIOB
#define COM2_TX_PIN GPIO_Pin_10
#define COM2_RX_PIN GPIO_Pin_11
#endif
#ifdef USE_USART4
#define COM3 UART4_BASE
#define COM3_IRQN UART4_IRQn
#define COM3_TX_PORT GPIOC
#define COM3_RX_PORT GPIOC
#define COM3_TX_PIN GPIO_Pin_10
#define COM3_RX_PIN GPIO_Pin_11
#endif
#ifdef USE_USART5
#define COM4 UART5_BASE
#define COM4_IRQN UART5_IRQn
#define COM4_TX_PORT GPIOB
#define COM4_RX_PORT GPIOD
#define COM4_TX_PIN GPIO_Pin_12
#define COM4_RX_PIN GPIO_Pin_2
#endif
/* LetterShell */
#define USE_SHELL
#ifdef USE_SHELL
#define TTY_COM COM0
#define TTY_COM_IRQN COM0_IRQN
#endif
/* 此BSP规定最多4路RS485 */
#undef USE_RS4851
#ifdef USE_RS4851
#define RS4851_TRANS_PORT GPIOx
#define RS4851_TRANS_PIN GPIO_Pin_x
#define RS4851_TRANS_TX RESET
#define RS4851_TRANS_RX SET
#endif
#undef USE_RS4852
#ifdef USE_RS4852
#define RS4852_TRANS_PORT GPIOx
#define RS4852_TRANS_PIN GPIO_Pin_x
#define RS4852_TRANS_TX RESET
#define RS4852_TRANS_RX SET
#endif
#undef USE_RS4853
#ifdef USE_RS4853
#define RS4853_TRANS_PORT GPIOx
#define RS4853_TRANS_PIN GPIO_Pin_x
#define RS4853_TRANS_TX RESET
#define RS4853_TRANS_RX SET
#endif
#undef USE_RS4854
#ifdef USE_RS4854
#define RS4854_TRANS_PORT GPIOx
#define RS4854_TRANS_PIN GPIO_Pin_x
#define RS4854_TRANS_TX RESET
#define RS4854_TRANS_RX SET
#endif
#endif

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@ -22,7 +22,7 @@ void LedCtlTaskInit(uint8_t Level,uint8_t Preemption)
"LedCtlTask", /* 任务名称 */ "LedCtlTask", /* 任务名称 */
LedCtlTask, /* 任务入口函数 */ LedCtlTask, /* 任务入口函数 */
0, /* 任务参数 */ 0, /* 任务参数 */
&TaskStack[0], /* ¦昢梬お宎華硊 */ TaskStack, /* ¦昢梬お宎華硊 */
TASK_STACK_SIZE, /* 任务堆栈大小 */ TASK_STACK_SIZE, /* 任务堆栈大小 */
Level, /* 优先级 */ Level, /* 优先级 */
Preemption, /* 抢占阈值 */ Preemption, /* 抢占阈值 */
@ -42,9 +42,8 @@ void LedCtlTask(ULONG ThreadXInput)
while (true) while (true)
{ {
IoCtlLedToggle(LED0); LedToggle(LED0);
IoCtlLedToggle(LED1); LedToggle(LED1);
IoCtlLedToggle(LED2);
tx_thread_sleep(100); tx_thread_sleep(100);
} }
} }

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@ -6,7 +6,7 @@
/* 1. 创建shell对象开辟shell缓冲区 */ /* 1. 创建shell对象开辟shell缓冲区 */
Shell Host; //Shell实例化 Shell Host; //Shell实例化
char HostBuffer[WR_BUFFER_SIZE]; //读写缓冲区 char HostBuffer[WR_BUFFER_SIZE]; //读写缓冲区
uint32_t HostId; //串口号 uint32_t TtyComId; //串口号
/** /**
* @brief Shell写函数 * @brief Shell写函数
@ -17,7 +17,7 @@ uint32_t HostId; //串口号
*/ */
signed short ShellWrite(char* ch, unsigned short Len) signed short ShellWrite(char* ch, unsigned short Len)
{ {
UsartSendStr(HostId, (uint8_t* )ch,Len); UsartSendStr(TtyComId, (uint8_t* )ch,Len);
return Len; return Len;
} }
/** /**
@ -45,14 +45,14 @@ void LetterShellIrqFunc(uint32_t Vector)
*/ */
void LetterShellInit(uint32_t ComId, uint32_t baud) void LetterShellInit(uint32_t ComId, uint32_t baud)
{ {
HostId = ComId; TtyComId = ComId;
//初始化串口 //初始化串口
UsartStdConfig(ComId, baud); UsartStdConfig(ComId, baud);
//设置串口回调函数 //设置串口回调函数
IntCbReg(TTY_COM_IRQN, LetterShellIrqFunc); InterruptRegist(TTY_COM_IRQN, LetterShellIrqFunc);
//设置中断等级 //设置中断等级
IntSetLevel(TTY_COM_IRQN,1,1); InterruptSetLevel(TTY_COM_IRQN,3,3);
//注册写函数 //注册写函数
Host.write = ShellWrite; Host.write = ShellWrite;
@ -68,36 +68,10 @@ void LetterShellInit(uint32_t ComId, uint32_t baud)
*/ */
int version(void) int version(void)
{ {
printf("%s\r\n",VERSION); printf("硬件版本:%s\r\n",HARDWARE_VERSION);
printf("软件版本:%s\r\n",SOFTWARE_VERSION);
return 0; return 0;
} }
/**
* @brief DO控制
* @param chnl val状态值
* @retval void
* @note void
* @example void
*/
void doSet(uint8_t chnl, uint8_t val)
{
IoCtl(IO_TYPE_DO, chnl, val);
}
/**
* @brief DO控制反转
* @param chnl
* @retval void
* @note void
* @example void
*/
void doToggle(uint8_t chnl)
{
IoCtlToggleDo(chnl);
}
//打印版本号 //打印版本号
SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), version, version, version); SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), version, version, version);
//控制DO
SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), doSet, doSet, doSet);
//反转DO
SHELL_EXPORT_CMD(SHELL_CMD_PERMISSION(0)|SHELL_CMD_TYPE(SHELL_TYPE_CMD_FUNC), doToggle, doToggle, doToggle);

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@ -2,8 +2,6 @@
#include "stm32f10x.h" #include "stm32f10x.h"
/* BSP INCLUDE */ /* BSP INCLUDE */
#include "Bsp.h" #include "Bsp.h"
/* OPEN_SOURCE_LIB INCLUDE */
#include "LetterShell.h"
/* APP INLCUDE */ /* APP INLCUDE */
#include "LedTest.h" #include "LedTest.h"
@ -31,9 +29,6 @@ int main(void)
{ {
//bsp初始化 //bsp初始化
BspConfigInit(); BspConfigInit();
//LetterShell初始化
LetterShellInit(TTY_COM,115200);
/* Start ThreadX */ /* Start ThreadX */
tx_kernel_enter(); tx_kernel_enter();

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@ -315,7 +315,7 @@
</ArmAdsMisc> </ArmAdsMisc>
<Cads> <Cads>
<interw>1</interw> <interw>1</interw>
<Optim>2</Optim> <Optim>1</Optim>
<oTime>0</oTime> <oTime>0</oTime>
<SplitLS>0</SplitLS> <SplitLS>0</SplitLS>
<OneElfS>1</OneElfS> <OneElfS>1</OneElfS>
@ -338,10 +338,10 @@
<v6WtE>0</v6WtE> <v6WtE>0</v6WtE>
<v6Rtti>0</v6Rtti> <v6Rtti>0</v6Rtti>
<VariousControls> <VariousControls>
<MiscControls></MiscControls> <MiscControls>--no-multibyte-chars</MiscControls>
<Define>USE_STDPERIPH_DRIVER,STM32F10X_HD,DEBUG,</Define> <Define>USE_STDPERIPH_DRIVER,STM32F10X_HD,DEBUG,</Define>
<Undefine></Undefine> <Undefine></Undefine>
<IncludePath>..\..\..\Bsp\Inc;..\..\..\System;..\..\..\System\CMSIS;..\..\..\ThirdLib\LetterShell\Inc;..\..\..\StdLib\Inc;..\App\Inc;..\..\..\ThirdLib\ThreadX\common\inc;..\..\..\ThirdLib\ThreadX\ports\cortex_m3\keil\inc</IncludePath> <IncludePath>..\..\..\Bsp\Inc;..\..\..\System;..\..\..\System\CMSIS;..\..\..\ThirdLib\LetterShell\Inc;..\..\..\StdLib\Inc;..\App\Inc;..\..\..\ThirdLib\ThreadX\common\inc;..\..\..\ThirdLib\ThreadX\ports\cortex_m3\keil\inc;..\App\Board</IncludePath>
</VariousControls> </VariousControls>
</Cads> </Cads>
<Aads> <Aads>
@ -386,9 +386,9 @@
<GroupName>App</GroupName> <GroupName>App</GroupName>
<Files> <Files>
<File> <File>
<FileName>LetterShell.c</FileName> <FileName>Main.c</FileName>
<FileType>1</FileType> <FileType>1</FileType>
<FilePath>..\App\Src\LetterShell.c</FilePath> <FilePath>..\App\Src\Main.c</FilePath>
</File> </File>
<File> <File>
<FileName>LedTest.c</FileName> <FileName>LedTest.c</FileName>
@ -396,9 +396,9 @@
<FilePath>..\App\Src\LedTest.c</FilePath> <FilePath>..\App\Src\LedTest.c</FilePath>
</File> </File>
<File> <File>
<FileName>Main.c</FileName> <FileName>LetterShell.c</FileName>
<FileType>1</FileType> <FileType>1</FileType>
<FilePath>..\App\Src\Main.c</FilePath> <FilePath>..\App\Src\LetterShell.c</FilePath>
</File> </File>
</Files> </Files>
</Group> </Group>
@ -1962,9 +1962,9 @@
<GroupName>App</GroupName> <GroupName>App</GroupName>
<Files> <Files>
<File> <File>
<FileName>LetterShell.c</FileName> <FileName>Main.c</FileName>
<FileType>1</FileType> <FileType>1</FileType>
<FilePath>..\App\Src\LetterShell.c</FilePath> <FilePath>..\App\Src\Main.c</FilePath>
</File> </File>
<File> <File>
<FileName>LedTest.c</FileName> <FileName>LedTest.c</FileName>
@ -1972,9 +1972,9 @@
<FilePath>..\App\Src\LedTest.c</FilePath> <FilePath>..\App\Src\LedTest.c</FilePath>
</File> </File>
<File> <File>
<FileName>Main.c</FileName> <FileName>LetterShell.c</FileName>
<FileType>1</FileType> <FileType>1</FileType>
<FilePath>..\App\Src\Main.c</FilePath> <FilePath>..\App\Src\LetterShell.c</FilePath>
</File> </File>
</Files> </Files>
</Group> </Group>

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@ -1,121 +0,0 @@
IMPORT _tx_thread_system_stack_ptr
IMPORT _tx_initialize_unused_memory
IMPORT _tx_timer_interrupt
IMPORT __main
IMPORT __initial_sp
IMPORT __Vectors
SYSTEM_CLOCK EQU 72000000
SYSTICK_CYCLES EQU ((SYSTEM_CLOCK / 1000) -1)
AREA ||.text||, CODE, READONLY
;VOID _tx_initialize_low_level(VOID)
;{
EXPORT _tx_initialize_low_level
_tx_initialize_low_level
;
; /* Disable interrupts during ThreadX initialization. */
;
CPSID i
;
; /* Set base of available memory to end of non-initialised RAM area. */
;
LDR r0, =_tx_initialize_unused_memory ; Build address of unused memory pointer
LDR r1, =__initial_sp ; Build first free address
ADD r1, r1, #4 ;
STR r1, [r0] ; Setup first unused memory pointer
;
; /* Setup Vector Table Offset Register. */
;
MOV r0, #0xE000E000 ; Build address of NVIC registers
LDR r1, =__Vectors ; Pickup address of vector table
STR r1, [r0, #0xD08] ; Set vector table address
;
; /* Enable the cycle count register. */
;
; LDR r0, =0xE0001000 ; Build address of DWT register
; LDR r1, [r0] ; Pickup the current value
; ORR r1, r1, #1 ; Set the CYCCNTENA bit
; STR r1, [r0] ; Enable the cycle count register
;
; /* Set system stack pointer from vector value. */
;
LDR r0, =_tx_thread_system_stack_ptr ; Build address of system stack pointer
LDR r1, =__Vectors ; Pickup address of vector table
LDR r1, [r1] ; Pickup reset stack pointer
STR r1, [r0] ; Save system stack pointer
;
; /* Configure SysTick for 100Hz clock, or 16384 cycles if no reference. */
;
MOV r0, #0xE000E000 ; Build address of NVIC registers
LDR r1, =SYSTICK_CYCLES
STR r1, [r0, #0x14] ; Setup SysTick Reload Value
MOV r1, #0x7 ; Build SysTick Control Enable Value
STR r1, [r0, #0x10] ; Setup SysTick Control
;
; /* Configure handler priorities. */
;
LDR r1, =0x00000000 ; Rsrv, UsgF, BusF, MemM
STR r1, [r0, #0xD18] ; Setup System Handlers 4-7 Priority Registers
LDR r1, =0xFF000000 ; SVCl, Rsrv, Rsrv, Rsrv
STR r1, [r0, #0xD1C] ; Setup System Handlers 8-11 Priority Registers
; Note: SVC must be lowest priority, which is 0xFF
LDR r1, =0x40FF0000 ; SysT, PnSV, Rsrv, DbgM
STR r1, [r0, #0xD20] ; Setup System Handlers 12-15 Priority Registers
; Note: PnSV must be lowest priority, which is 0xFF
;
; /* Return to caller. */
;
BX lr
;}
;/* Define shells for each of the unused vectors. */
;
EXPORT __tx_BadHandler
__tx_BadHandler
B __tx_BadHandler
EXPORT __tx_SVCallHandler
__tx_SVCallHandler
B __tx_SVCallHandler
EXPORT __tx_IntHandler
__tx_IntHandler
; VOID InterruptHandler (VOID)
; {
PUSH {r0, lr}
; /* Do interrupt handler work here */
; /* .... */
POP {r0, lr}
BX LR
; }
EXPORT __tx_SysTickHandler
EXPORT SysTick_Handler
__tx_SysTickHandler
SysTick_Handler
; VOID TimerInterruptHandler (VOID)
; {
;
PUSH {r0, lr}
BL _tx_timer_interrupt
POP {r0, lr}
BX LR
; }
EXPORT __tx_NMIHandler
__tx_NMIHandler
B __tx_NMIHandler
EXPORT __tx_DBGHandler
__tx_DBGHandler
B __tx_DBGHandler
ALIGN
LTORG
END