编程空间到底怎么看？

只看该作者 · 2012-8-1 17:46

在选型的时候，有一个编程空间，应该就是指Flash吧？比如stm8S103P2的编程空间是4K

这个4k对应哪个文件？我怎么确保我的程序没有超过4K？在哪里可以看到用了多少？

上网搜了下没找到看的很明白的答案。。。。特来求助

只看该作者 · 2012-8-1 21:10

程序编译的时候都能看到你的FLASH占用大小！！

只看该作者 · 2012-8-2 13:11

2# qiujiahongde

不知道在那里看！！
望告知

1万 · 2012-8-2 14:14

看编译后生成的.map文件

只看该作者 · 2012-8-3 11:20

4# IJK
好吧，是要打开看的是么。。。
麻烦帮忙看看，是哪个数据？

stvd_project.zip (1.76 KB)

1万 · 2012-8-3 11:31

可以把 .map文件相关部分（文件很大，不要全部贴出来）贴出来看看。
另外，不同的C编译器，生成的 .map文件格式不一样。

只看该作者 · 2012-8-3 12:58

6# IJK

Map of Debug\stvd_project.sm8 from link file Debug\stvd_project.lkf - Wed Aug 01 13:56:42 2012

                           --------
                           Segments
                           --------

start 00008080 end 00008080 length    0 segment .const
start 00008083 end 000081ad length 298 segment .text
start 00004000 end 00004000 length    0 segment .eeprom
start 00000000 end 00000000 length    0 segment .bsct
start 00000000 end 00000006 length    6 segment .ubsct
start 00000006 end 00000006 length    0 segment .bit
start 00000006 end 00000006 length    0 segment .share
start 00000100 end 00000100 length    0 segment .data
start 00000100 end 00000100 length    0 segment .bss
start 00000000 end 000012f6 length  4854 segment .debug
start 00008000 end 00008080 length 128 segment .const
start 00008080 end 00008083 length    3 segment .init

                           -------
                           Modules
                           -------

D:\Program Files\CXSTM8\Lib\crtsi0.sm8:
start 00008083 end 000080ce length 75 section .text
start 00000100 end 00000100 length    0 section .bss
start 00000000 end 00000000 length    0 section .ubsct

Debug\main.o:
start 000080ce end 000080f9 length 43 section .text
start 00000000 end 00000100 length 256 section .debug

Debug\stm8s_it.o:
start 000080f9 end 00008110 length 23 section .text
start 00000100 end 000007c6 length  1734 section .debug

Debug\stm8s_gpio.o:
start 00008110 end 000081ad length 157 section .text
start 000007c6 end 000011d0 length  2570 section .debug

(D:\Program Files\CXSTM8\Lib\libm0.sm8)xreg.o:
start 00000000 end 00000003 length    3 section .ubsct

(D:\Program Files\CXSTM8\Lib\libm0.sm8)yreg.o:
start 00000003 end 00000006 length    3 section .ubsct

Debug\stm8_interrupt_vector.o:
start 000011d0 end 000012f6 length 294 section .debug
start 00008000 end 00008080 length 128 section .const

                           -----------
                           Stack usage
                           -----------

Debug\main.o:
_Delay                               4 (4)
_main                            > 8 (2)

Debug\stm8s_gpio.o:
_GPIO_DeInit                      > 2 (2)
_GPIO_ExternalPullUpConfig       > 6 (6)
_GPIO_Init                            6 (6)
_GPIO_ReadInputData             > 2 (2)
_GPIO_ReadInputPin                > 5 (5)
_GPIO_ReadOutputData             > 2 (2)
_GPIO_Write                      > 5 (5)
_GPIO_WriteHigh                   > 5 (5)
_GPIO_WriteLow                   > 5 (5)
_GPIO_WriteReverse                > 5 (5)

Debug\stm8s_it.o:
f_ADC1_IRQHandler                > 5 (5)
f_AWU_IRQHandler                > 5 (5)
f_CLK_IRQHandler                > 5 (5)
f_EEPROM_EEC_IRQHandler          > 5 (5)
f_EXTI_PORTA_IRQHandler          > 5 (5)
f_EXTI_PORTB_IRQHandler          > 5 (5)
f_EXTI_PORTC_IRQHandler          > 5 (5)
f_EXTI_PORTD_IRQHandler          > 5 (5)
f_EXTI_PORTE_IRQHandler          > 5 (5)
f_I2C_IRQHandler                > 5 (5)
f_NonHandledInterrupt             > 5 (5)
f_SPI_IRQHandler                > 5 (5)
f_TIM1_CAP_COM_IRQHandler       > 5 (5)
f_TIM1_UPD_OVF_TRG_BRK_IRQHandler  > 5 (5)
f_TIM2_CAP_COM_IRQHandler       > 5 (5)
f_TIM2_UPD_OVF_BRK_IRQHandler    > 5 (5)
f_TIM3_CAP_COM_IRQHandler       > 5 (5)
f_TIM3_UPD_OVF_BRK_IRQHandler    > 5 (5)
f_TIM4_UPD_OVF_IRQHandler       > 5 (5)
f_TLI_IRQHandler                > 5 (5)
f_TRAP_IRQHandler                > 5 (5)
f_UART2_RX_IRQHandler             > 5 (5)
f_UART2_TX_IRQHandler             > 5 (5)

Stack size: 13

                           ---------
                           Call tree
                           ---------
1 > _GPIO_DeInit: (2)

2 > _GPIO_ExternalPullUpConfig: (6)

3 > _GPIO_ReadInputData: (2)

4 > _GPIO_ReadInputPin: (5)

5 > _GPIO_ReadOutputData: (2)

6 > _GPIO_Write: (5)

7 > _GPIO_WriteHigh: (5)

8 > _GPIO_WriteLow: (5)

9 > _GPIO_WriteReverse: (5)

  10 > __stext: (0)

  11 > _main: (2)
  12    + _Delay: (4)
  13    + _GPIO_Init: (6)

  14 > f_ADC1_IRQHandler: (5)

  15 > f_AWU_IRQHandler: (5)

  16 > f_CLK_IRQHandler: (5)

  17 > f_EEPROM_EEC_IRQHandler: (5)

  18 > f_EXTI_PORTA_IRQHandler: (5)

  19 > f_EXTI_PORTB_IRQHandler: (5)

  20 > f_EXTI_PORTC_IRQHandler: (5)

  21 > f_EXTI_PORTD_IRQHandler: (5)

  22 > f_EXTI_PORTE_IRQHandler: (5)

  23 > f_I2C_IRQHandler: (5)

  24 > f_NonHandledInterrupt: (5)

  25 > f_SPI_IRQHandler: (5)

  26 > f_TIM1_CAP_COM_IRQHandler: (5)

  27 > f_TIM1_UPD_OVF_TRG_BRK_IRQHandler: (5)

  28 > f_TIM2_CAP_COM_IRQHandler: (5)

  29 > f_TIM2_UPD_OVF_BRK_IRQHandler: (5)

  30 > f_TIM3_CAP_COM_IRQHandler: (5)

  31 > f_TIM3_UPD_OVF_BRK_IRQHandler: (5)

  32 > f_TIM4_UPD_OVF_IRQHandler: (5)

  33 > f_TLI_IRQHandler: (5)

  34 > f_TRAP_IRQHandler: (5)

  35 > f_UART2_RX_IRQHandler: (5)

  36 > f_UART2_TX_IRQHandler: (5)

  37 _Delay --> 12

  38 _GPIO_Init --> 13

                           -------
                           Symbols
                           -------

_Delay                            000080ce defined in Debug\main.o section .text
_GPIO_DeInit                      00008110 defined in Debug\stm8s_gpio.o section .text
_GPIO_ExternalPullUpConfig       00008197 defined in Debug\stm8s_gpio.o section .text
_GPIO_Init                         00008118 defined in Debug\stm8s_gpio.o section .text
                                             used in Debug\main.o
_GPIO_ReadInputData                0000818d defined in Debug\stm8s_gpio.o section .text
_GPIO_ReadInputPin                00008190 defined in Debug\stm8s_gpio.o section .text
_GPIO_ReadOutputData             0000818b defined in Debug\stm8s_gpio.o section .text
_GPIO_Write                      0000816d defined in Debug\stm8s_gpio.o section .text
_GPIO_WriteHigh                   00008175 defined in Debug\stm8s_gpio.o section .text
_GPIO_WriteLow                   0000817c defined in Debug\stm8s_gpio.o section .text
_GPIO_WriteReverse                00008184 defined in Debug\stm8s_gpio.o section .text
__endmem                         000005ff defined in command file
                                             *** not used ***
__endzp                            00000006 defined in command file section .ubsct
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
__idesc__                         00008080 defined in linker section .init
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
__memory                         00000100 defined in command file section .bss
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
__stack                            000007ff defined in command file
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
__startmem                         00000100 defined in command file section .bss
                                             *** not used ***
__stext                            00008083 defined in D:\Program Files\CXSTM8\Lib\crtsi0.sm8 section .text
                                             used in Debug\stm8_interrupt_vector.o
__vectab                         00008000 defined in Debug\stm8_interrupt_vector.o section .const
_exit                            000080cc defined in D:\Program Files\CXSTM8\Lib\crtsi0.sm8 section .text
_main                            000080da defined in Debug\main.o section .text
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
c_x                               00000000 defined in (D:\Program Files\CXSTM8\Lib\libm0.sm8)xreg.o section .ubsct
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
c_y                               00000003 defined in (D:\Program Files\CXSTM8\Lib\libm0.sm8)yreg.o section .ubsct
                                             used in D:\Program Files\CXSTM8\Lib\crtsi0.sm8
f_ADC1_IRQHandler                0000810d defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_AWU_IRQHandler                   000080fc defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_CLK_IRQHandler                   000080fd defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EEPROM_EEC_IRQHandler          0000810f defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EXTI_PORTA_IRQHandler          000080fe defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EXTI_PORTB_IRQHandler          000080ff defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EXTI_PORTC_IRQHandler          00008100 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EXTI_PORTD_IRQHandler          00008101 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_EXTI_PORTE_IRQHandler          00008102 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_I2C_IRQHandler                   0000810a defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_NonHandledInterrupt             000080f9 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_SPI_IRQHandler                   00008103 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM1_CAP_COM_IRQHandler          00008105 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM1_UPD_OVF_TRG_BRK_IRQHandler 00008104 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM2_CAP_COM_IRQHandler          00008107 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM2_UPD_OVF_BRK_IRQHandler    00008106 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM3_CAP_COM_IRQHandler          00008109 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM3_UPD_OVF_BRK_IRQHandler    00008108 defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TIM4_UPD_OVF_IRQHandler          0000810e defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TLI_IRQHandler                   000080fb defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_TRAP_IRQHandler                000080fa defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_UART2_RX_IRQHandler             0000810c defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o
f_UART2_TX_IRQHandler             0000810b defined in Debug\stm8s_it.o section .text
                                             used in Debug\stm8_interrupt_vector.o