CN107153613A - BootLoader program debugging methods and system based on HCS12 single-chip microcomputers - Google Patents
BootLoader program debugging methods and system based on HCS12 single-chip microcomputers Download PDFInfo
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- CN107153613A CN107153613A CN201710329742.2A CN201710329742A CN107153613A CN 107153613 A CN107153613 A CN 107153613A CN 201710329742 A CN201710329742 A CN 201710329742A CN 107153613 A CN107153613 A CN 107153613A
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- 239000013598 vector Substances 0.000 claims abstract description 62
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- 230000004048 modification Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/36—Preventing errors by testing or debugging software
- G06F11/362—Software debugging
- G06F11/3648—Software debugging using additional hardware
- G06F11/3652—Software debugging using additional hardware in-circuit-emulation [ICE] arrangements
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Abstract
The invention discloses the BootLoader program debugging methods and system based on HCS12 single-chip microcomputers；The interrupt vector table of BootLoader programs is used as the second interrupt vector table as the first interrupt vector table, the interrupt vector table of application program；Single-chip microcomputer is loaded an application into by BootLoader programs, two interrupt vector tables are integrally formed new interrupt vector table according to address, so as to realize the address covering of two interrupt vector tables；Electricity operation on HCS12 single-chip microcomputers, runs the startup program of BootLoader programs；BootLoader programs judge itself whether need to load new application program；Then, the main program of new application program is run；Arrived if external hardware is interrupted, directly run the interrupt service routine of application program.There is application program can be debugged with Bootloader programs with Straight simulation for it, and application program is not required to make the advantage that any modification is directly downloaded by Bootloader modes after having debugged.
Description
Technical field
The present invention relates to a kind of BootLoader program debugging methods and system based on HCS12 single-chip microcomputers.
Background technology
BootLoader programs provide a kind of not by way of emulator downloads.BootLoader programs are responsible for
Initiating hardware, realizes that application program remote is loaded in the case where not taking casing apart.
Program download process is：
1) BootLoader programs download to single-chip microcomputer by emulator；
2) application program is loaded into single-chip microcomputer according to specific interface by BootLoader programs；
BootLoader programs share an interrupt vector table with application program, and interrupt service routine is in BootLoader journeys
Application program position is displaced in sequence, causes application program interrupt vector is imperfect directly can not independently emulate；Add simultaneously in
Disconnected service routine needs first to interrupt skew code in the addition of BootLoader programs, causes constantly to change during upgrade applications
BootLoader programs, can not play the advantage of BootLoader programs.
There is problems with such scheme：
Application program can not be debugged directly, it is necessary to change interrupt service routine address ability artificial debugging in scheme；When need
Want to need during the interrupt service routine of upgrade applications while changing BootLoader programs.
The content of the invention
The purpose of the present invention is exactly that there is provided a kind of BootLoader based on HCS12 single-chip microcomputers in order to solve the above problems
Program debugging method and system, there is application program can be debugged with Bootloader programs with Straight simulation for it, and application program is adjusted
It is not required to make the advantage that any modification is directly downloaded by Bootloader modes after having tried.
To achieve these goals, the present invention is adopted the following technical scheme that：
BootLoader program debugging methods based on HCS12 single-chip microcomputers, including：
Step (1)：The interrupt vector table of BootLoader programs as the first interrupt vector table, the interruption of application program to
Scale is used as the second interrupt vector table；
Step (2)：Single-chip microcomputer is loaded an application into by BootLoader programs, by two interrupt vector tables according to
Address is integrally formed new interrupt vector table, so as to realize the address covering of two interrupt vector tables；
Step (3)：Electricity operation on HCS12 single-chip microcomputers, runs the startup program of BootLoader programs；
Step (4)：BootLoader programs judge itself whether need to load new application program；Then, run newly
The main program of application program；
Step (5)：Arrived if external hardware is interrupted, directly run the interrupt service routine of application program.
Further, the step of step (2) are：
Step (21)：It is the first offset address that second interrupt vector table, which points to address, and the first offset address is in HCS12 monolithics
The non-paging areas of Flash of machine；
Step (22)：First interrupt vector table points to address of first offset address plus n byte；From the first skew ground
Location starts plus the address of n byte；Wherein, n >=4；
Step (23)：When loading an application into single-chip microcomputer by BootLoader programs, two interrupt vectors are realized
The address covering of table, new interrupt vector table points to the interrupt service routine of application program.
Further, step (2) application program can independent artificial debugging, artificial debugging success after, be not required to change, directly
Being loaded into single-chip microcomputer by BootLoader programs can run.
Further, the step of step (4) are：The startup program of BootLoader programs judges whether itself needs
The new application program of loading；If desired step (41) is entered；If step (42) need not be entered；
Step (41)：Startup program automatic running, completes the download of new application program, then, runs new application journey
The main program of sequence；
Step (42)：The startup program of application program is jumped to, then starts to start the main program of application program.
Further, the startup program automatic running of the step (41), after the download for completing new application program, fortune
, it is necessary to perform following steps before the main program of the new application program of row：
The S19 files generated after compiling of application by BootLoader programs when being loaded, by the journey in S19 files
Sequence load address is deleted for FF80, FFA0, FFC0, FFE0 four line programs.
BootLoader program debugging systems based on HCS12 single-chip microcomputers, including：
Initialization unit：The interrupt vector table of BootLoader programs is as the first interrupt vector table, in application program
Disconnected vector table is used as the second interrupt vector table；
Integral unit：Single-chip microcomputer is loaded an application into by BootLoader programs, by two interrupt vector table roots
New interrupt vector table is integrally formed according to address, so as to realize the address covering of two interrupt vector tables；
Upper electric running unit：Electricity operation on HCS12 single-chip microcomputers, runs the startup program of BootLoader programs；
Judging unit：BootLoader programs judge itself whether need to load new application program；Then, run newly
The main program of application program
Interrupt execution unit：Arrived if external hardware is interrupted, directly run the interrupt service routine of application program.
Further, the integral unit includes：
Point to module in the first address：It is the first offset address that second interrupt vector table, which points to address, and the first offset address exists
The non-paging areas of Flash of HCS12 single-chip microcomputers；
Point to module in the second address：First interrupt vector table points to the first offset address and adds n (n>The ground of=4) individual byte
Location；Since address of first offset address plus n byte；
Address overlay module：When loading an application into single-chip microcomputer by BootLoader programs, two interruptions are realized
The address covering of vector table, new interrupt vector table points to the interrupt service routine of application program.
Further, the integral unit application program can independent artificial debugging, artificial debugging success after, be not required to more
Change, being directly loaded into single-chip microcomputer by BootLoader programs can run.
Further, the judging unit：The startup program of BootLoader programs judges itself whether need loading new
Application program；If desired, then startup program automatic running, the download of the new application program of completion, then, runs new application
The main program of program；If need not, the startup program of application program is jumped to, then starts to start the main journey of application program
Sequence.
Further, startup program automatic running, after the download for completing new application program, runs new application program
Main program before, it is necessary to perform following steps：
The S19 files generated after compiling of application by BootLoader programs when being loaded, by the journey in S19 files
Sequence load address is deleted for FF80, FFA0, FFC0, FFE0 four line programs.
Beneficial effects of the present invention：
1) application program can be debugged with Bootloader programs with Straight simulation, and application program is not required to appoint after having debugged
What modification is directly downloaded by Bootloader modes.
2) application program can directly add interrupt service routine, it is not necessary to which it is inclined to enter row address in Bootloader programs
Move, later program upgrading only need to change application program, and Bootloader programs are no longer changed.
The interrupt address of HCS12 single-chip microcomputer BootLoader programs and application program covers the non-paging areas of Flash, realizes
Application program independently emulates and arbitrarily added interrupt service routine.
Brief description of the drawings
Fig. 1 is Bootloader interrupt vector tables；
Fig. 2 is application program interrupt vector table；
Fig. 3 is the interruption after loading application programs；
Fig. 4 is program flow chart after resetting.
Embodiment
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
In this method, BootLoader programs are each with a complete interrupt vector table, two such journey with application program
Sequence can be emulated independently；When being loaded an application into by BootLoader programs in single-chip microcomputer simultaneously, two interrupt vectors
Table realizes that address is covered, and is integrated into a complete interrupt vector table.
Application program interrupt vector table points to address since 0x4000, is the non-paging areas of HCS12 single-chip microcomputers Flash,
Bootloader interrupt vector tables point to and vacate 4 bytes at the 0x4000 of address, since 0x4004；
During by Bootloader loading application programs, realize that address is covered, interrupt vector table is pointing directly at application program
Interrupt service routine.
The S19 files generated after compiling of application by BootLoader programs when being loaded, by the journey in S19 files
Sequence load address is deleted for FF80, FFA0, FFC0, FFE0 four line programs.
Two independent interrupt vector table such as Fig. 1, shown in Fig. 2.Interrupt vector table such as Fig. 3 institutes after loading application programs
Show.
When being downloaded with BootLoader modes, two independent interrupt vector tables can be combined into one by address covering
, as shown in figure 3, whole program flow chart is as shown in Figure 4.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, not to present invention protection model
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deform still within protection scope of the present invention that creative work can make.
Claims (10)
1. the BootLoader program debugging methods based on HCS12 single-chip microcomputers, it is characterized in that, including：
Step (1)：The interrupt vector table of BootLoader programs is used as the first interrupt vector table, the interrupt vector table of application program
It is used as the second interrupt vector table；
Step (2)：Single-chip microcomputer is loaded an application into by BootLoader programs, by two interrupt vector tables according to address
New interrupt vector table is integrally formed, so as to realize the address covering of two interrupt vector tables；
Step (3)：Electricity operation on HCS12 single-chip microcomputers, runs the startup program of BootLoader programs；
Step (4)：BootLoader programs judge itself whether need to load new application program；Then, new application is run
The main program of program；
Step (5)：Arrived if external hardware is interrupted, directly run the interrupt service routine of application program.
2. the BootLoader program debugging methods as claimed in claim 1 based on HCS12 single-chip microcomputers, it is characterized in that,
The step of step (2) is：
Step (21)：It is the first offset address that second interrupt vector table, which points to address, and the first offset address is in HCS12 single-chip microcomputers
The non-paging areas of Flash；
Step (22)：First interrupt vector table points to address of first offset address plus n byte；Add from the first offset address
The address of upper n byte starts；Wherein, n >=4；
Step (23)：When loading an application into single-chip microcomputer by BootLoader programs, two interrupt vector tables are realized
Address is covered, and new interrupt vector table points to the interrupt service routine of application program.
3. the BootLoader program debugging methods as claimed in claim 1 based on HCS12 single-chip microcomputers, it is characterized in that,
Step (2) application program can independent artificial debugging, artificial debugging success after, be not required to change, directly pass through
BootLoader programs are loaded into single-chip microcomputer and can run.
4. the BootLoader program debugging methods as claimed in claim 1 based on HCS12 single-chip microcomputers, it is characterized in that,
The step of step (4) is：The startup program of BootLoader programs judges itself whether need to load new application
Program；If desired step (41) is entered；If step (42) need not be entered；
Step (41)：Startup program automatic running, completes the download of new application program, then, runs new application program
Main program；
Step (42)：The startup program of application program is jumped to, then starts to start the main program of application program.
5. the BootLoader program debugging methods as claimed in claim 4 based on HCS12 single-chip microcomputers, it is characterized in that,
The startup program automatic running of the step (41), after the download for completing new application program, runs new application journey
, it is necessary to perform following steps before the main program of sequence：
The S19 files generated after compiling of application add the program in S19 files when being loaded by BootLoader programs
Set address is deleted for FF80, FFA0, FFC0, FFE0 four line programs.
6. the BootLoader program debugging systems based on HCS12 single-chip microcomputers, it is characterized in that, including：
Initialization unit：The interrupt vector table of BootLoader programs as the first interrupt vector table, the interruption of application program to
Scale is used as the second interrupt vector table；
Integral unit：Single-chip microcomputer is loaded an application into by BootLoader programs, by two interrupt vector table base areas
Location is integrally formed new interrupt vector table, so as to realize the address covering of two interrupt vector tables；
Upper electric running unit：Electricity operation on HCS12 single-chip microcomputers, runs the startup program of BootLoader programs；
Judging unit：BootLoader programs judge itself whether need to load new application program；Then, new application is run
The main program of program；
Interrupt execution unit：Arrived if external hardware is interrupted, directly run the interrupt service routine of application program.
7. system as claimed in claim 6, it is characterized in that,
The integral unit includes：
Point to module in the first address：It is the first offset address that second interrupt vector table, which points to address, and the first offset address is in HCS12
The non-paging areas of Flash of single-chip microcomputer；
Point to module in the second address：First interrupt vector table points to address of first offset address plus n byte；It is inclined from first
The address that address is moved plus n byte starts；
Address overlay module：When loading an application into single-chip microcomputer by BootLoader programs, two interrupt vectors are realized
The address covering of table, new interrupt vector table points to the interrupt service routine of application program.
8. system as claimed in claim 6, it is characterized in that,
The integral unit application program can independent artificial debugging, artificial debugging success after, be not required to change, directly pass through
BootLoader programs are loaded into single-chip microcomputer and can run.
9. system as claimed in claim 6, it is characterized in that,
The judging unit：The startup program of BootLoader programs judges itself whether need to load new application program；If
Need, then startup program automatic running, complete the download of new application program, then, run the main program of new application program；
If need not, the startup program of application program is jumped to, then starts to start the main program of application program.
10. system as claimed in claim 9, it is characterized in that,
Startup program automatic running, after the download for completing new application program, before the main program for running new application program,
Need to perform following steps：
The S19 files generated after compiling of application add the program in S19 files when being loaded by BootLoader programs
Set address is deleted for FF80, FFA0, FFC0, FFE0 four line programs.
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| CN107153613B CN107153613B (en) | 2019-09-24 |
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| CN107153613B (en) | 2019-09-24 |
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Address after: 250101 block B, Yinhe building, 2008 Xinjie street, hi tech Zone, Ji'nan, Shandong. Applicant after: Shandong Luneng Intelligent Technology Co., Ltd. Address before: 250101 B block 626, Yinhe building, 2008 Xinjie street, Ji'nan high tech Zone, Shandong. Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. |
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Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Applicant after: National Network Intelligent Technology Co., Ltd. Address before: 250101 block B, Yinhe building, 2008 Xinjie street, hi tech Zone, Ji'nan, Shandong. Applicant before: Shandong Luneng Intelligent Technology Co., Ltd. |
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Effective date of registration: 20201214 Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province Patentee before: National Network Intelligent Technology Co.,Ltd. |
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Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |