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This commit is contained in:
yelvlab 2024-09-21 01:28:42 +08:00
parent ba3209550e
commit 46f5f8a452
7 changed files with 468 additions and 423 deletions
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62
inc/systick.h
View File

@ -1,47 +1,27 @@
/*!
\file systick.h
\brief the header file of systick
\version 2024-02-22, V2.1.0, firmware for GD32E23x
*/
/*
Copyright (c) 2024, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#ifndef SYSTICK_H
#define SYSTICK_H
/**
* ************************************************************************
*
* @file systick.h
* @author GD32
* @brief
*
* ************************************************************************
* @copyright Copyright (c) 2024 GD32
* ************************************************************************
*/
#ifndef SYS_TICK_H
#define SYS_TICK_H
#include <stdint.h>
/* function declarations */
/* configure systick */
void systick_config(void);
/* delay a time in milliseconds */
void delay_1ms(uint32_t count);
/* delay decrement */
void delay_decrement(void);
#endif /* SYSTICK_H */
/* delay a time in milliseconds */
void delay_ms(uint32_t count);
/* delay a time in microseconds */
void delay_us(uint32_t count);
#endif /* SYS_TICK_H */

47
inc/wc_bldc_control.h
View File

@ -5,6 +5,53 @@
#ifndef WC_BLDC_CONTROL_H
#define WC_BLDC_CONTROL_H
#include "gd32e23x.h"
#define RS485_GPIO_RCU RCU_GPIOA
#define RS485_COM_RCU RCU_USART0
#define RS485_PORT GPIOA
#define RS485_DI_PIN GPIO_PIN_2
#define RS485_RO_PIN GPIO_PIN_3
#define RS485_RE_PIN GPIO_PIN_4
#define RS485_COM USART0
#define GPIO_PORT_SPEED_CTRL GPIOA
#define GPIO_PIN_SPEED_CTRL GPIO_PIN_10
#define GPIO_PORT_SPEED_FB GPIOA
#define GPIO_PIN_SPEED_FB GPIO_PIN_9
#define GPIO_PORT_DRV_ENABLE GPIOF
#define GPIO_PIN_DRV_ENABLE GPIO_PIN_1
#define GPIO_PORT_MOTOR_DIR GPIOF
#define GPIO_PIN_MOTOR_DIR GPIO_PIN_0
#define RCU_SPEED_CTL RCU_GPIOA
#define RCU_SPEED_FB RCU_GPIOA
#define RCU_DRV_ENABLE RCU_GPIOF
#define RCU_MOTOR_DIR RCU_GPIOF
#define TIMER_SPEED_CTL TIMER0
#define TIMER_CH_SPEED_CTL TIMER_CH_2
#define RCU_TIMER_SPEED_CTL RCU_TIMER0
void led_blink_config(void);
/* configure RS485 port & RE/DE Pin */
void rs485_com_config(void);
/* Set transmit enabel */
void rs485_transmit_enable(void);
/* Set receive enabel */
void rs485_receive_enable(void);
void bldc_set_pwm(uint8_t pwm);
void bldc_config(void);
void bldc_enable_set(bit_status status);
void timer2_config(void);
#endif //WC_BLDC_CONTROL_H

169
ld/gd_e230f4_gcc.ld
View File

@ -1,141 +1,56 @@
/* Entry Point */
ENTRY(Reset_Handler)
/* Highest address of the user mode stack */
_estack = 0x20001800; /* end of 6K RAM */
/* Generate a link error if heap and stack don't fit into RAM */
_Min_Heap_Size = 0x200; /* required amount of heap */
_Min_Stack_Size = 0x400; /* required amount of stack */
/* Specify the memory areas */
MEMORY
{
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 32K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 6K
MEMORY {
FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 16K
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 4K
}
/* Define output sections */
SECTIONS
{
/* The startup code goes first into FLASH */
.isr_vector :
{
. = ALIGN(4);
KEEP(*(.isr_vector)) /* Startup code */
. = ALIGN(4);
} >FLASH
_estack = ORIGIN(RAM) + LENGTH(RAM);
/* The program code and other data goes into FLASH */
.text :
{
. = ALIGN(4);
*(.text) /* .text sections (code) */
*(.text*) /* .text* sections (code) */
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
KEEP (*(.init))
KEEP (*(.fini))
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* Constant data goes into FLASH */
.rodata :
{
. = ALIGN(4);
*(.rodata) /* .rodata sections (constants, strings, etc.) */
*(.rodata*) /* .rodata* sections (constants, strings, etc.) */
. = ALIGN(4);
} >FLASH
.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) } >FLASH
.ARM : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
SECTIONS {
.isr_vector : {
. = ALIGN(4);
KEEP(*(.isr_vector))
. = ALIGN(4);
} >FLASH
.text : {
. = ALIGN(4);
*(.text)
*(.text*)
*(.glue_7) /* glue arm to thumb code */
*(.glue_7t) /* glue thumb to arm code */
*(.eh_frame)
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array*))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >FLASH
.init_array :
{
PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array*))
PROVIDE_HIDDEN (__init_array_end = .);
} >FLASH
.fini_array :
{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array*))
PROVIDE_HIDDEN (__fini_array_end = .);
} >FLASH
. = ALIGN(4);
_etext = .; /* define a global symbols at end of code */
} >FLASH
/* used by the startup to initialize data */
_sidata = LOADADDR(.data);
.rodata : {
. = ALIGN(4);
*(.rodata)
*(.rodata*)
. = ALIGN(4);
} >FLASH
/* Initialized data sections goes into RAM, load LMA copy after code */
.data :
{
. = ALIGN(4);
_sdata = .; /* create a global symbol at data start */
*(.data) /* .data sections */
*(.data*) /* .data* sections */
_sidata = LOADADDR(.data);
.data : {
. = ALIGN(4);
_sdata = .;
*(.data)
*(.data*)
. = ALIGN(4);
_edata = .;
} >RAM AT>FLASH
. = ALIGN(4);
_edata = .; /* define a global symbol at data end */
} >RAM AT> FLASH
/* Uninitialized data section */
. = ALIGN(4);
.bss :
{
/* This is used by the startup in order to initialize the .bss secion */
_sbss = .; /* define a global symbol at bss start */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = .; /* define a global symbol at bss end */
__bss_end__ = _ebss;
} >RAM
/* User_heap_stack section, used to check that there is enough RAM left */
._user_heap_stack :
{
. = ALIGN(4);
PROVIDE ( end = . );
PROVIDE ( _end = . );
. = . + _Min_Heap_Size;
. = . + _Min_Stack_Size;
. = ALIGN(4);
} >RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
.ARM.attributes 0 : { *(.ARM.attributes) }
.bss : {
_sbss = .;
*(.bss)
*(.bss*)
. = ALIGN(4);
_ebss = .;
} >RAM
}

7
src/main.c
View File

@ -29,6 +29,13 @@ int main(void)
// led_config();
led_blink_config();
rs485_com_config();
bldc_config();
bldc_set_pwm(50);
delay_ms(5000);
bldc_enable_set(SET);
while(1){
}

48
src/systick.c
View File

@ -1,37 +1,14 @@
/*!
\file systick.c
\brief the systick configuration file
\version 2024-02-22, V2.1.0, firmware for GD32E23x
*/
/*
Copyright (c) 2024, GigaDevice Semiconductor inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
/**
* ************************************************************************
*
* @file systick.c
* @author GD32
* @brief 通过 SysTick 定时器进行微秒级别和毫秒级别的延时函数
*
* ************************************************************************
* @copyright Copyright (c) 2024 GD32
* ************************************************************************
*/
#include "gd32e23x.h"
#include "systick.h"
@ -55,7 +32,6 @@ void systick_config(void)
count_1ms = (float)count_1us * 1000;
}
/**
* ************************************************************************
* @brief delay_us 微秒延时函数
@ -83,10 +59,8 @@ void delay_us(uint32_t count)
SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
//将 SysTick 计数器的当前值清零，以便下次使用
SysTick->VAL = 0x0000U;
}
/**
* ************************************************************************
* @brief delay_ms 毫秒延时函数

190
src/wc_bldc_control.c
View File

@ -35,3 +35,193 @@ void led_blink_config(void){
nvic_irq_enable(TIMER13_IRQn, 0);
timer_enable(TIMER13);
}
/*!
\brief configure RS485 port & RE/DE Pin
\param[in] none
\param[out] none
\retval none
*/
void rs485_com_config(void)
{
rcu_periph_clock_enable(RS485_GPIO_RCU);
rcu_periph_clock_enable(RS485_COM_RCU);
gpio_af_set(RS485_PORT, GPIO_AF_1, RS485_RO_PIN | RS485_DI_PIN);
/* configure USART Tx as alternate function push-pull */
gpio_mode_set(RS485_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, RS485_DI_PIN);
gpio_output_options_set(RS485_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, RS485_DI_PIN);
gpio_mode_set(RS485_PORT, GPIO_MODE_AF, GPIO_PUPD_PULLUP, RS485_RO_PIN);
gpio_output_options_set(RS485_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_10MHZ, RS485_RO_PIN);
/* USART configure */
usart_deinit(RS485_COM);
usart_baudrate_set(RS485_COM, 115200U);
usart_receive_config(RS485_COM, USART_RECEIVE_ENABLE);
usart_transmit_config(RS485_COM, USART_TRANSMIT_ENABLE);
usart_enable(RS485_COM);
gpio_mode_set(RS485_PORT, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, RS485_RE_PIN);
gpio_output_options_set(RS485_PORT, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, RS485_RE_PIN);
gpio_bit_write(RS485_PORT, RS485_RE_PIN, SET);
}
void rs485_transmit_enable(void)
{
gpio_bit_write(RS485_PORT, RS485_RE_PIN, SET);
}
void rs485_receive_enable(void)
{
gpio_bit_write(RS485_PORT, RS485_RE_PIN, RESET);
}
uint8_t speed_pwm = 0; //bldc default pwm is 30
void bldc_set_pwm(uint8_t pwm)
{
if (pwm > 0 && pwm <= 100)
{
speed_pwm = pwm;
timer_channel_output_pulse_value_config(TIMER0, TIMER_CH_2, 12*speed_pwm);
}
}
void bldc_config(void)
{
rcu_periph_clock_enable(RCU_SPEED_CTL | RCU_SPEED_FB);
rcu_periph_clock_enable(RCU_DRV_ENABLE | RCU_MOTOR_DIR);
/* ------------------------------
-----BLDC speed control GPIO-----
-----GPIOA_10 -- */
gpio_mode_set(GPIO_PORT_SPEED_CTRL, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_SPEED_CTRL);
gpio_output_options_set(GPIO_PORT_SPEED_CTRL, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, GPIO_PIN_SPEED_CTRL);
gpio_af_set(GPIO_PORT_SPEED_CTRL, GPIO_AF_2, GPIO_PIN_SPEED_CTRL);
/* ------------------------------
-----BLDC speed report GPIO------
-----GPIOA_9 --- */
// gpio_mode_set(GPIO_PORT_SPEED_FB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_SPEED_FB);
// gpio_output_options_set(GPIO_PORT_SPEED_FB, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ, GPIO_PIN_SPEED_FB);
// gpio_af_set(GPIO_PORT_SPEED_FB, GPIO_AF_2, GPIO_PIN_SPEED_FB);
/* ------------------------------
-----BLDC enable GPIO------------
-----GPIOF_1 --------- */
gpio_mode_set(GPIO_PORT_DRV_ENABLE, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_DRV_ENABLE);
gpio_output_options_set(GPIO_PORT_DRV_ENABLE, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, GPIO_PIN_DRV_ENABLE);
gpio_bit_reset(GPIO_PORT_DRV_ENABLE, GPIO_PIN_DRV_ENABLE);
/* ------------------------------
-----BLDC forward/reverse GPIO---
-----GPIOF_0 ---
-----no need control for ---
----- WM7040-24V*/
gpio_mode_set(GPIO_PORT_MOTOR_DIR, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO_PIN_MOTOR_DIR);
gpio_output_options_set(GPIO_PORT_MOTOR_DIR, GPIO_OTYPE_OD, GPIO_OSPEED_50MHZ, GPIO_PIN_MOTOR_DIR);
gpio_bit_set(GPIO_PORT_MOTOR_DIR, GPIO_PIN_MOTOR_DIR);
// gpio_bit_write(GPIOA, GPIO_PIN_10, RESET);
timer_parameter_struct timer_initpara;
timer_oc_parameter_struct timer_ocinitpara;
// timer_ic_parameter_struct timer_icinitpara;
rcu_periph_clock_enable(RCU_TIMER_SPEED_CTL);
timer_deinit(TIMER_SPEED_CTL);
timer_struct_para_init(&timer_initpara);
timer_initpara.prescaler =59;
timer_initpara.alignedmode =TIMER_COUNTER_EDGE;
timer_initpara.counterdirection =TIMER_COUNTER_UP;
timer_initpara.period =1199;
timer_initpara.clockdivision =TIMER_CKDIV_DIV1;
timer_init(TIMER_SPEED_CTL, &timer_initpara);
timer_channel_output_struct_para_init(&timer_ocinitpara);
timer_ocinitpara.outputstate =TIMER_CCX_ENABLE;
timer_ocinitpara.outputnstate =TIMER_CCXN_DISABLE;
timer_ocinitpara.ocpolarity =TIMER_OC_POLARITY_HIGH;
timer_ocinitpara.ocnpolarity =TIMER_OCN_POLARITY_HIGH;
timer_ocinitpara.ocidlestate =TIMER_OC_IDLE_STATE_LOW;
timer_ocinitpara.ocnidlestate =TIMER_OCN_IDLE_STATE_LOW;
timer_channel_output_config(TIMER_SPEED_CTL, TIMER_CH_SPEED_CTL, &timer_ocinitpara);
timer_channel_output_pulse_value_config(TIMER_SPEED_CTL, TIMER_CH_SPEED_CTL, 12* speed_pwm);
timer_channel_output_mode_config(TIMER_SPEED_CTL, TIMER_CH_SPEED_CTL, TIMER_OC_MODE_PWM0);
timer_channel_output_shadow_config(TIMER_SPEED_CTL, TIMER_CH_SPEED_CTL, TIMER_OC_SHADOW_DISABLE);
timer_primary_output_config(TIMER_SPEED_CTL, ENABLE);
timer_auto_reload_shadow_enable(TIMER_SPEED_CTL);
timer_enable(TIMER_SPEED_CTL);
nvic_irq_enable(TIMER0_Channel_IRQn, 1);
}
void bldc_enable_set(bit_status status)
{
gpio_bit_write(GPIOF, GPIO_PIN_1, status);
}
void timer2_config(void)
{
rcu_periph_clock_enable(RCU_GPIOA);
rcu_periph_clock_enable(RCU_CFGCMP);
gpio_mode_set(GPIOA, GPIO_MODE_INPUT, GPIO_PUPD_NONE, GPIO_PIN_9);
nvic_irq_enable(EXTI4_15_IRQn, 2U);
syscfg_exti_line_config(EXTI_SOURCE_GPIOA, EXTI_SOURCE_PIN9);
exti_init(EXTI_9, EXTI_INTERRUPT, EXTI_TRIG_FALLING);
exti_interrupt_flag_clear(EXTI_9);
gpio_mode_set(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO_PIN_6);
gpio_output_options_set(GPIOA, GPIO_OTYPE_PP, GPIO_OSPEED_50MHZ,GPIO_PIN_6);
gpio_af_set(GPIOA, GPIO_AF_1, GPIO_PIN_6);
timer_ic_parameter_struct timer_icinitpara;
timer_parameter_struct timer_initpara;
/* enable the TIMER clock */
rcu_periph_clock_enable(RCU_TIMER2);
/* disable a TIMER */
timer_deinit(TIMER2);
/* initialize TIMER init parameter struct */
timer_struct_para_init(&timer_initpara);
/* TIMER2 configuration */
timer_initpara.prescaler = 71;
timer_initpara.alignedmode = TIMER_COUNTER_EDGE;
timer_initpara.counterdirection = TIMER_COUNTER_UP;
timer_initpara.period = 65535;
timer_initpara.clockdivision = TIMER_CKDIV_DIV1;
timer_init(TIMER2, &timer_initpara);
/* TIMER2 configuration */
/* initialize TIMER channel input parameter struct */
timer_channel_input_struct_para_init(&timer_icinitpara);
/* TIMER2 CH0 input capture configuration */
timer_icinitpara.icpolarity = TIMER_IC_POLARITY_RISING;
timer_icinitpara.icselection = TIMER_IC_SELECTION_DIRECTTI;
timer_icinitpara.icprescaler = TIMER_IC_PSC_DIV1;
timer_icinitpara.icfilter = 0x0;
timer_input_capture_config(TIMER2,TIMER_CH_0,&timer_icinitpara);
/* auto-reload preload enable */
timer_auto_reload_shadow_enable(TIMER2);
/* clear channel 0 interrupt bit */
timer_interrupt_flag_clear(TIMER2,TIMER_INT_FLAG_CH0);
/* channel 0 interrupt enable */
timer_interrupt_enable(TIMER2,TIMER_INT_CH0);
/* TIMER2 counter enable */
timer_enable(TIMER2);
nvic_irq_enable(TIMER2_IRQn, 3U);
}

360
startup/startup_gd32e23x.S
View File

@ -1,232 +1,164 @@
.syntax unified
.cpu cortex-m23
.fpu softvfp
.thumb
/******************************************************************************
* @file startup_gd32e230k8t6.s
* @brief CMSIS-Core Device Startup File for Cortex-M23 Device GD32E230K8T6
* @version V2.2.0
* @date 26. May 2021
******************************************************************************/
.global g_pfnVectors
.global Default_Handler
.syntax unified
.arch armv8-m.base
.fpu softvfp
.thumb
/* necessary symbols defined in linker script to initialize data */
.word _sidata
.word _sdata
.word _edata
.word _sbss
.word _ebss
.global g_pfnVectors
.global Default_Handler
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
/* reset Handler */
.word _sidata
.word _sdata
.word _edata
.word _sbss
.word _ebss
/* Reset_Handler */
.section .text.Reset_Handler
.weak Reset_Handler
.type Reset_Handler, %function
Reset_Handler:
ldr r0, =_estack
mov sp, r0
/* copy the data segment into ram */
movs r1, #0
b LoopCopyDataInit
ldr r0, =_estack
msr psp, r0
ldr r0, =_sdata
ldr r1, =_edata
ldr r2, =_sidata
movs r3, #0
b LoopCopyDataInit
CopyDataInit:
ldr r3, =_sidata
ldr r3, [r3, r1]
str r3, [r0, r1]
adds r1, r1, #4
ldr r4, [r2, r3]
str r4, [r0, r3]
adds r3, r3, #4
LoopCopyDataInit:
ldr r0, =_sdata
ldr r3, =_edata
adds r2, r0, r1
cmp r2, r3
bcc CopyDataInit
ldr r2, =_sbss
b LoopFillZerobss
adds r4, r0, r3
cmp r4, r1
bcc CopyDataInit
ldr r2, =_sbss
ldr r4, =_ebss
movs r3, #0
b LoopFillZerobss
FillZerobss:
movs r3, #0
str r3, [r2]
adds r2, r2, #4
str r3, [r2]
adds r2, r2, #4
LoopFillZerobss:
ldr r3, = _ebss
cmp r2, r3
bcc FillZerobss
cmp r2, r4
bcc FillZerobss
/* Call SystemInit function */
bl SystemInit
/* Call static constructors */
bl __libc_init_array
/*Call the main function */
bl main
LoopForever:
b LoopForever
.size Reset_Handler, .-Reset_Handler
.section .text.Default_Handler,"ax",%progbits
bl SystemInit
bl main
bx lr
.size Reset_Handler, .-Reset_Handler
/* Default_Handler */
.section .text.Default_Handler,"ax",%progbits
Default_Handler:
Infinite_Loop:
b Infinite_Loop
.size Default_Handler, .-Default_Handler
b Infinite_Loop
.size Default_Handler, .-Default_Handler
/* Vector Table */
.section .isr_vector,"a",%progbits
.type g_pfnVectors,%object
.size g_pfnVectors, .-g_pfnVectors
g_pfnVectors:
.word _estack
.word Reset_Handler
.section .vectors,"a",%progbits
.global __gVectors
.word NMI_Handler /* -14 NMI Handler */
.word HardFault_Handler /* -13 Hard Fault Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SVC_Handler /* -5 SVCall Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word PendSV_Handler /* -2 PendSV Handler */
.word SysTick_Handler /* -1 SysTick Handler */
__gVectors:
.word _sp /* Top of Stack */
.word Reset_Handler /* 1:Reset Handler */
.word NMI_Handler /* 2:NMI Handler */
.word HardFault_Handler /* 3:Hard Fault Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word SVC_Handler /* 11:SVCall Handler */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word PendSV_Handler /* 14:PendSV Handler */
.word SysTick_Handler /* 15:SysTick Handler */
.word WWDGT_IRQHandler
.word LVD_IRQHandler
.word RTC_IRQHandler
.word FMC_IRQHandler
.word RCU_IRQHandler
.word EXTI0_1_IRQHandler
.word EXTI2_3_IRQHandler
.word EXTI4_15_IRQHandler
.word 0
.word DMA_Channel0_IRQHandler
.word DMA_Channel1_2_IRQHandler
.word DMA_Channel3_4_IRQHandler
.word ADC_CMP_IRQHandler
.word TIMER0_BRK_UP_TRG_COM_IRQHandler
.word TIMER0_Channel_IRQHandler
.word 0
.word TIMER2_IRQHandler
.word TIMER5_IRQHandler
.word 0
.word TIMER13_IRQHandler
.word TIMER14_IRQHandler
.word TIMER15_IRQHandler
.word TIMER16_IRQHandler
.word I2C0_EV_IRQHandler
.word I2C1_EV_IRQHandler
.word SPI0_IRQHandler
.word SPI1_IRQHandler
.word USART0_IRQHandler
.word USART1_IRQHandler
.word 0
.word 0
.word 0
.word I2C0_ER_IRQHandler
.word 0
.word I2C1_ER_IRQHandler
/* external interrupts handler */
.word WWDGT_IRQHandler /* 16:Window Watchdog Timer */
.word LVD_IRQHandler /* 17:LVD through EXTI Line detect */
.word RTC_IRQHandler /* 18:RTC through EXTI Line */
.word FMC_IRQHandler /* 19:FMC */
.word RCU_IRQHandler /* 20:RCU */
.word EXTI0_1_IRQHandler /* 21:EXTI Line 0 and EXTI Line 1 */
.word EXTI2_3_IRQHandler /* 22:EXTI Line 2 and EXTI Line 3 */
.word EXTI4_15_IRQHandler /* 23:EXTI Line 4 to EXTI Line 15 */
.word 0 /* Reserved */
.word DMA_Channel0_IRQHandler /* 25:DMA Channel 0 */
.word DMA_Channel1_2_IRQHandler /* 26:DMA Channel 1 and DMA Channel 2 */
.word DMA_Channel3_4_IRQHandler /* 27:DMA Channel 3 and DMA Channel 4 */
.word ADC_CMP_IRQHandler /* 28:ADC and Comparator */
.word TIMER0_BRK_UP_TRG_COM_IRQHandler /* 29:TIMER0 Break,Update,Trigger and Commutation */
.word TIMER0_Channel_IRQHandler /* 30:TIMER0 Channel Capture Compare */
.word 0 /* Reserved */
.word TIMER2_IRQHandler /* 32:TIMER2 */
.word TIMER5_IRQHandler /* 33:TIMER5 */
.word 0 /* Reserved */
.word TIMER13_IRQHandler /* 35:TIMER13 */
.word TIMER14_IRQHandler /* 36:TIMER14 */
.word TIMER15_IRQHandler /* 37:TIMER15 */
.word TIMER16_IRQHandler /* 38:TIMER16 */
.word I2C0_EV_IRQHandler /* 39:I2C0 Event */
.word I2C1_EV_IRQHandler /* 40:I2C1 Event */
.word SPI0_IRQHandler /* 41:SPI0 */
.word SPI1_IRQHandler /* 42:SPI1 */
.word USART0_IRQHandler /* 43:USART0 */
.word USART1_IRQHandler /* 44:USART1 */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word 0 /* Reserved */
.word I2C0_ER_IRQHandler /* 48:I2C0 Error */
.word 0 /* Reserved */
.word I2C1_ER_IRQHandler /* 50:I2C1 Error */
.macro Set_Default_Handler Handler_Name
.weak \Handler_Name
.set \Handler_Name, Default_Handler
.endm
/*
Set_Default_Handler NMI_Handler
Set_Default_Handler HardFault_Handler
Set_Default_Handler SVC_Handler
Set_Default_Handler PendSV_Handler
Set_Default_Handler SysTick_Handler
*/
.size __gVectors, . - __gVectors
.weak NMI_Handler
.thumb_set NMI_Handler,Default_Handler
.weak HardFault_Handler
.thumb_set HardFault_Handler,Default_Handler
.weak SVC_Handler
.thumb_set SVC_Handler,Default_Handler
.weak PendSV_Handler
.thumb_set PendSV_Handler,Default_Handler
.weak SysTick_Handler
.thumb_set SysTick_Handler,Default_Handler
.weak WWDGT_IRQHandler
.thumb_set WWDGT_IRQHandler,Default_Handler
.weak LVD_IRQHandler
.thumb_set LVD_IRQHandler,Default_Handler
.weak TAMPER_IRQHandler
.thumb_set TAMPER_IRQHandler,Default_Handler
.weak RTC_IRQHandler
.thumb_set RTC_IRQHandler,Default_Handler
.weak FMC_IRQHandler
.thumb_set FMC_IRQHandler,Default_Handler
.weak RCU_IRQHandler
.thumb_set RCU_IRQHandler,Default_Handler
.weak EXTI0_1_IRQHandler
.thumb_set EXTI0_1_IRQHandler,Default_Handler
.weak EXTI2_3_IRQHandler
.thumb_set EXTI2_3_IRQHandler,Default_Handler
.weak EXTI4_15_IRQHandler
.thumb_set EXTI4_15_IRQHandler,Default_Handler
.weak DMA_Channel0_IRQHandler
.thumb_set DMA_Channel0_IRQHandler,Default_Handler
.weak DMA_Channel1_2_IRQHandler
.thumb_set DMA_Channel1_2_IRQHandler,Default_Handler
.weak DMA_Channel3_4_IRQHandler
.thumb_set DMA_Channel3_4_IRQHandler,Default_Handler
.weak ADC_CMP_IRQHandler
.thumb_set ADC_CMP_IRQHandler,Default_Handler
.weak TIMER0_BRK_UP_TRG_COM_IRQHandler
.thumb_set TIMER0_BRK_UP_TRG_COM_IRQHandler,Default_Handler
.weak TIMER0_Channel_IRQHandler
.thumb_set TIMER0_Channel_IRQHandler,Default_Handler
.weak TIMER2_IRQHandler
.thumb_set TIMER2_IRQHandler,Default_Handler
.weak TIMER5_IRQHandler
.thumb_set TIMER5_IRQHandler,Default_Handler
.weak TIMER13_IRQHandler
.thumb_set TIMER13_IRQHandler,Default_Handler
.weak TIMER14_IRQHandler
.thumb_set TIMER14_IRQHandler,Default_Handler
.weak TIMER15_IRQHandler
.thumb_set TIMER15_IRQHandler,Default_Handler
.weak TIMER16_IRQHandler
.thumb_set TIMER16_IRQHandler,Default_Handler
.weak I2C0_EV_IRQHandler
.thumb_set I2C0_EV_IRQHandler,Default_Handler
.weak I2C1_EV_IRQHandler
.thumb_set I2C1_EV_IRQHandler,Default_Handler
.weak SPI0_IRQHandler
.thumb_set SPI0_IRQHandler,Default_Handler
.weak SPI1_IRQHandler
.thumb_set SPI1_IRQHandler,Default_Handler
.weak USART0_IRQHandler
.thumb_set USART0_IRQHandler,Default_Handler
.weak USART1_IRQHandler
.thumb_set USART1_IRQHandler,Default_Handler
.weak I2C0_ER_IRQHandler
.thumb_set I2C0_ER_IRQHandler,Default_Handler
.weak I2C1_ER_IRQHandler
.thumb_set I2C1_ER_IRQHandler,Default_Handler
Set_Default_Handler WWDGT_IRQHandler
Set_Default_Handler LVD_IRQHandler
Set_Default_Handler RTC_IRQHandler
Set_Default_Handler FMC_IRQHandler
Set_Default_Handler RCU_IRQHandler
Set_Default_Handler EXTI0_1_IRQHandler
Set_Default_Handler EXTI2_3_IRQHandler
Set_Default_Handler EXTI4_15_IRQHandler
Set_Default_Handler DMA_Channel0_IRQHandler
Set_Default_Handler DMA_Channel1_2_IRQHandler
Set_Default_Handler DMA_Channel3_4_IRQHandler
Set_Default_Handler ADC_CMP_IRQHandler
Set_Default_Handler TIMER0_BRK_UP_TRG_COM_IRQHandler
Set_Default_Handler TIMER0_Channel_IRQHandler
Set_Default_Handler TIMER2_IRQHandler
Set_Default_Handler TIMER5_IRQHandler
Set_Default_Handler TIMER13_IRQHandler
Set_Default_Handler TIMER14_IRQHandler
Set_Default_Handler TIMER15_IRQHandler
Set_Default_Handler TIMER16_IRQHandler
Set_Default_Handler I2C0_EV_IRQHandler
Set_Default_Handler I2C1_EV_IRQHandler
Set_Default_Handler SPI0_IRQHandler
Set_Default_Handler SPI1_IRQHandler
Set_Default_Handler USART0_IRQHandler
Set_Default_Handler USART1_IRQHandler
Set_Default_Handler I2C0_ER_IRQHandler
Set_Default_Handler I2C1_ER_IRQHandler
.end