;****************************************************************************** 
;* @file    startup_py32f420xx.s
;* @author  MCU Application Team
;* @brief   PY32F420xx devices vector table for MDK-ARM toolchain.
;*          This module performs:
;*          - Set the initial SP
;*          - Set the initial PC == Reset_Handler
;*          - Set the vector table entries with the exceptions ISR address
;*          - Branches to __main in the C library (which eventually
;*            calls main()).
;*          After Reset the CortexM4 processor is in Thread mode,
;*          priority is Privileged, and the Stack is set to Main.
;****************************************************************************** 
;* @attention
;*
;* <h2><center>&copy; Copyright (c) 2023 Puya Semiconductor Co.
;* All rights reserved.</center></h2>
;*
;* This software component is licensed by Puya under BSD 3-Clause license,
;* the "License"; You may not use this file except in compliance with the
;* License. You may obtain a copy of the License at:
;*                        opensource.org/licenses/BSD-3-Clause
;*
;******************************************************************************
;* @attention
;*
;* <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
;* All rights reserved.</center></h2>
;*
;* This software component is licensed by ST under BSD 3-Clause license,
;* the "License"; You may not use this file except in compliance with the
;* License. You may obtain a copy of the License at:
;*                        opensource.org/licenses/BSD-3-Clause
;*
;****************************************************************************** 
;* <<< Use Configuration Wizard in Context Menu >>>

; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
;   <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>

Stack_Size      EQU     0x00000400

                AREA    STACK, NOINIT, READWRITE, ALIGN=3
Stack_Mem       SPACE   Stack_Size
__initial_sp


; <h> Heap Configuration
;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>

Heap_Size       EQU     0x00000200

                AREA    HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem        SPACE   Heap_Size
__heap_limit


                PRESERVE8
                THUMB


; Vector Table Mapped to Address 0 at Reset
                AREA    RESET, DATA, READONLY
                EXPORT  __Vectors
                EXPORT  __Vectors_End
                EXPORT  __Vectors_Size

__Vectors       DCD     __initial_sp               ; Top of Stack
                DCD     Reset_Handler              ; Reset Handler
                DCD     NMI_Handler                ; NMI Handler
                DCD     HardFault_Handler          ; Hard Fault Handler
                DCD     MemManage_Handler          ; MPU Fault Handler
                DCD     BusFault_Handler           ; Bus Fault Handler
                DCD     UsageFault_Handler         ; Usage Fault Handler
                DCD     0                          ; Reserved
                DCD     0                          ; Reserved
                DCD     0                          ; Reserved
                DCD     0                          ; Reserved
                DCD     SVC_Handler                ; SVCall Handler
                DCD     DebugMon_Handler           ; Debug Monitor Handler
                DCD     0                          ; Reserved
                DCD     PendSV_Handler             ; PendSV Handler
                DCD     SysTick_Handler            ; SysTick Handler

                ; External Interrupts
                DCD     WWDG_IRQHandler               ; Window Watchdog
                DCD     PVD_IRQHandler                ; PVD through EXTI Line detect
                DCD     TAMPER_IRQHandler             ; Tamper
                DCD     RTC_IRQHandler                ; RTC
                DCD     FLASH_IRQHandler              ; Flash
                DCD     RCC_IRQHandler                ; RCC
                DCD     EXTI0_IRQHandler              ; EXTI Line 0
                DCD     EXTI1_IRQHandler              ; EXTI Line 1
                DCD     EXTI2_IRQHandler              ; EXTI Line 2
                DCD     EXTI3_IRQHandler              ; EXTI Line 3
                DCD     EXTI4_IRQHandler              ; EXTI Line 4
                DCD     EXTI9_5_IRQHandler            ; EXTI Line 9..5
                DCD     EXTI15_10_IRQHandler          ; EXTI Line 15..10
                DCD     DMA_Channel1_IRQHandler       ; DMA Channel 1
                DCD     DMA_Channel2_IRQHandler       ; DMA Channel 2
                DCD     DMA_Channel3_IRQHandler       ; DMA Channel 3
                DCD     DMA_Channel4_IRQHandler       ; DMA Channel 4
                DCD     DMA_Channel5_IRQHandler       ; DMA Channel 5
                DCD     ADC1_IRQHandler               ; ADC1
                DCD     ADC2_IRQHandler               ; ADC2
                DCD     DAC_IRQHandler                ; DAC
                DCD     TIM1_BRK_IRQHandler           ; TIM1 Break
                DCD     TIM1_UP_IRQHandler            ; TIM1 Update
                DCD     TIM1_TRG_COM_IRQHandler       ; TIM1 Trigger and Commutation
                DCD     TIM1_CC_IRQHandler            ; TIM1 Capture Compare
                DCD     TIM2_IRQHandler               ; TIM2
                DCD     TIM3_IRQHandler               ; TIM3
                DCD     TIM6_IRQHandler               ; TIM6
                DCD     TIM7_IRQHandler               ; TIM7
                DCD     TIM8_BRK_IRQHandler           ; TIM8 Break
                DCD     TIM8_UP_IRQHandler            ; TIM8 Update
                DCD     TIM8_TRG_COM_IRQHandler       ; TIM8 Trigger and Commutation
                DCD     TIM8_CC_IRQHandler            ; TIM8 Capture Compare
                DCD     LPTIM_IRQHandler              ; LPTIM
                DCD     SPI1_IRQHandler               ; SPI1
                DCD     SPI2_IRQHandler               ; SPI2
                DCD     USART1_IRQHandler             ; USART1
                DCD     UART1_IRQHandler              ; UART1
                DCD     UART2_IRQHandler              ; UART2
                DCD     LPUART_IRQHandler             ; LPUART
                DCD     RTC_Alarm_IRQHandler          ; RTC Alarm through EXTI Line
                DCD     I2C1_EV_IRQHandler            ; I2C1 Event
                DCD     I2C1_ER_IRQHandler            ; I2C1 Error
                DCD     I2C2_EV_IRQHandler            ; I2C2 Event
                DCD     I2C2_ER_IRQHandler            ; I2C2 Error
                DCD     CAN_INT0_IRQHandler           ; CAN INT0
                DCD     CAN_INT1_IRQHandler           ; CAN INT1
                DCD     COMP1_IRQHandler              ; COMP1
                DCD     COMP2_IRQHandler              ; COMP2
                DCD     COMP3_IRQHandler              ; COMP3
                DCD     COMP4_IRQHandler              ; COMP4
                DCD     EPWM1_IRQHandler             ; EPWM1
                DCD     EPWM2_IRQHandler             ; EPWM2
                DCD     EPWM3_IRQHandler             ; EPWM3
                DCD     EPWM4_IRQHandler             ; EPWM4
                DCD     EPWM5_IRQHandler             ; EPWM5
                DCD     EPWM6_IRQHandler             ; EPWM6
                DCD     EPWM1_TZ_IRQHandler          ; EPWM1_TZ
                DCD     EPWM2_TZ_IRQHandler          ; EPWM2_TZ
                DCD     EPWM3_TZ_IRQHandler          ; EPWM3_TZ
                DCD     EPWM4_TZ_IRQHandler          ; EPWM4_TZ
                DCD     EPWM5_TZ_IRQHandler          ; EPWM5_TZ
                DCD     EPWM6_TZ_IRQHandler          ; EPWM6_TZ
__Vectors_End

__Vectors_Size  EQU     __Vectors_End - __Vectors

                AREA    |.text|, CODE, READONLY


; Reset Handler

Reset_Handler   PROC
                EXPORT  Reset_Handler             [WEAK]
                IMPORT  SystemInit
                IMPORT  __main
                LDR     R0, =SystemInit
                BLX     R0
                LDR     R0, =__main
                BX      R0
                ENDP


; Dummy Exception Handlers (infinite loops which can be modified)

NMI_Handler     PROC
                EXPORT  NMI_Handler                [WEAK]
                B       .
                ENDP
HardFault_Handler\
                PROC
                EXPORT  HardFault_Handler          [WEAK]
                B       .
                ENDP
MemManage_Handler\
                PROC
                EXPORT  MemManage_Handler          [WEAK]
                B       .
                ENDP
BusFault_Handler\
                PROC
                EXPORT  BusFault_Handler           [WEAK]
                B       .
                ENDP
UsageFault_Handler\
                PROC
                EXPORT  UsageFault_Handler         [WEAK]
                B       .
                ENDP
SVC_Handler     PROC
                EXPORT  SVC_Handler                [WEAK]
                B       .
                ENDP
DebugMon_Handler\
                PROC
                EXPORT  DebugMon_Handler           [WEAK]
                B       .
                ENDP
PendSV_Handler  PROC
                EXPORT  PendSV_Handler             [WEAK]
                B       .
                ENDP
SysTick_Handler PROC
                EXPORT  SysTick_Handler            [WEAK]
                B       .
                ENDP

Default_Handler PROC

                EXPORT  WWDG_IRQHandler          [WEAK]
                EXPORT  PVD_IRQHandler           [WEAK]
                EXPORT  TAMPER_IRQHandler        [WEAK]
                EXPORT  RTC_IRQHandler           [WEAK]
                EXPORT  FLASH_IRQHandler         [WEAK]
                EXPORT  RCC_IRQHandler           [WEAK]
                EXPORT  EXTI0_IRQHandler         [WEAK]
                EXPORT  EXTI1_IRQHandler         [WEAK]   
                EXPORT  EXTI2_IRQHandler         [WEAK]
                EXPORT  EXTI3_IRQHandler         [WEAK]        
                EXPORT  EXTI4_IRQHandler         [WEAK]
                EXPORT  EXTI9_5_IRQHandler       [WEAK]
                EXPORT  EXTI15_10_IRQHandler     [WEAK]
                EXPORT  DMA_Channel1_IRQHandler  [WEAK]
                EXPORT  DMA_Channel2_IRQHandler  [WEAK]
                EXPORT  DMA_Channel3_IRQHandler  [WEAK]
                EXPORT  DMA_Channel4_IRQHandler  [WEAK]
                EXPORT  DMA_Channel5_IRQHandler  [WEAK]
                EXPORT  ADC1_IRQHandler          [WEAK]
                EXPORT  ADC2_IRQHandler          [WEAK]
                EXPORT  DAC_IRQHandler           [WEAK]
                EXPORT  TIM1_BRK_IRQHandler      [WEAK]
                EXPORT  TIM1_UP_IRQHandler       [WEAK]
                EXPORT  TIM1_TRG_COM_IRQHandler  [WEAK]
                EXPORT  TIM1_CC_IRQHandler       [WEAK]
                EXPORT  TIM2_IRQHandler          [WEAK]
                EXPORT  TIM3_IRQHandler          [WEAK]
                EXPORT  TIM6_IRQHandler          [WEAK]
                EXPORT  TIM7_IRQHandler          [WEAK]
                EXPORT  TIM8_BRK_IRQHandler      [WEAK]
                EXPORT  TIM8_UP_IRQHandler       [WEAK]
                EXPORT  TIM8_TRG_COM_IRQHandler  [WEAK]
                EXPORT  TIM8_CC_IRQHandler       [WEAK]
                EXPORT  LPTIM_IRQHandler         [WEAK]
                EXPORT  SPI1_IRQHandler          [WEAK]
                EXPORT  SPI2_IRQHandler          [WEAK]
                EXPORT  USART1_IRQHandler        [WEAK]
                EXPORT  UART1_IRQHandler         [WEAK]
                EXPORT  UART2_IRQHandler         [WEAK]
                EXPORT  LPUART_IRQHandler        [WEAK]
                EXPORT  RTC_Alarm_IRQHandler     [WEAK]
                EXPORT  I2C1_EV_IRQHandler       [WEAK]
                EXPORT  I2C1_ER_IRQHandler       [WEAK]
                EXPORT  I2C2_EV_IRQHandler       [WEAK]
                EXPORT  I2C2_ER_IRQHandler       [WEAK]
                EXPORT  CAN_INT0_IRQHandler      [WEAK]
                EXPORT  CAN_INT1_IRQHandler      [WEAK]
                EXPORT  COMP1_IRQHandler         [WEAK]
                EXPORT  COMP2_IRQHandler         [WEAK]
                EXPORT  COMP3_IRQHandler         [WEAK]
                EXPORT  COMP4_IRQHandler         [WEAK]
                EXPORT  EPWM1_IRQHandler        [WEAK]
                EXPORT  EPWM2_IRQHandler        [WEAK]
                EXPORT  EPWM3_IRQHandler        [WEAK]
                EXPORT  EPWM4_IRQHandler        [WEAK]
                EXPORT  EPWM5_IRQHandler        [WEAK]
                EXPORT  EPWM6_IRQHandler        [WEAK]
                EXPORT  EPWM1_TZ_IRQHandler     [WEAK]
                EXPORT  EPWM2_TZ_IRQHandler     [WEAK]
                EXPORT  EPWM3_TZ_IRQHandler     [WEAK]
                EXPORT  EPWM4_TZ_IRQHandler     [WEAK]
                EXPORT  EPWM5_TZ_IRQHandler     [WEAK]
                EXPORT  EPWM6_TZ_IRQHandler     [WEAK]
                  

WWDG_IRQHandler         
PVD_IRQHandler          
TAMPER_IRQHandler       
RTC_IRQHandler          
FLASH_IRQHandler        
RCC_IRQHandler          
EXTI0_IRQHandler        
EXTI1_IRQHandler        
EXTI2_IRQHandler        
EXTI3_IRQHandler        
EXTI4_IRQHandler        
EXTI9_5_IRQHandler      
EXTI15_10_IRQHandler    
DMA_Channel1_IRQHandler
DMA_Channel2_IRQHandler
DMA_Channel3_IRQHandler
DMA_Channel4_IRQHandler
DMA_Channel5_IRQHandler
ADC1_IRQHandler         
ADC2_IRQHandler         
DAC_IRQHandler          
TIM1_BRK_IRQHandler     
TIM1_UP_IRQHandler      
TIM1_TRG_COM_IRQHandler 
TIM1_CC_IRQHandler      
TIM2_IRQHandler         
TIM3_IRQHandler         
TIM6_IRQHandler         
TIM7_IRQHandler         
TIM8_BRK_IRQHandler     
TIM8_UP_IRQHandler      
TIM8_TRG_COM_IRQHandler 
TIM8_CC_IRQHandler      
LPTIM_IRQHandler        
SPI1_IRQHandler         
SPI2_IRQHandler         
USART1_IRQHandler       
UART1_IRQHandler        
UART2_IRQHandler        
LPUART_IRQHandler       
RTC_Alarm_IRQHandler    
I2C1_EV_IRQHandler      
I2C1_ER_IRQHandler      
I2C2_EV_IRQHandler      
I2C2_ER_IRQHandler      
CAN_INT0_IRQHandler     
CAN_INT1_IRQHandler     
COMP1_IRQHandler        
COMP2_IRQHandler        
COMP3_IRQHandler        
COMP4_IRQHandler        
EPWM1_IRQHandler       
EPWM2_IRQHandler       
EPWM3_IRQHandler       
EPWM4_IRQHandler       
EPWM5_IRQHandler       
EPWM6_IRQHandler       
EPWM1_TZ_IRQHandler    
EPWM2_TZ_IRQHandler    
EPWM3_TZ_IRQHandler    
EPWM4_TZ_IRQHandler    
EPWM5_TZ_IRQHandler    
EPWM6_TZ_IRQHandler    

                B       .
                ENDP

                ALIGN

; User Initial Stack & Heap

                IF      :DEF:__MICROLIB

                EXPORT  __initial_sp
                EXPORT  __heap_base
                EXPORT  __heap_limit

                ELSE

                IMPORT  __use_two_region_memory
                EXPORT  __user_initial_stackheap
                    
__user_initial_stackheap

                LDR     R0, =  Heap_Mem
                LDR     R1, =(Stack_Mem + Stack_Size)
                LDR     R2, = (Heap_Mem +  Heap_Size)
                LDR     R3, = Stack_Mem
                BX      LR

                ALIGN

                ENDIF

                END

;************************ (C) COPYRIGHT Puya *****END OF FILE*******************
