CN107991930A - A kind of coffee machine system software controls method - Google Patents

A kind of coffee machine system software controls method Download PDF

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Publication number
CN107991930A
CN107991930A CN201711343835.7A CN201711343835A CN107991930A CN 107991930 A CN107991930 A CN 107991930A CN 201711343835 A CN201711343835 A CN 201711343835A CN 107991930 A CN107991930 A CN 107991930A
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CN
China
Prior art keywords
timer
function
sub
coffee machine
function module
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CN201711343835.7A
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Chinese (zh)
Inventor
李嵩山
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Suzhou Coffee Coffee System Technology Co Ltd
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Suzhou Coffee Coffee System Technology Co Ltd
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Priority to CN201711343835.7A priority Critical patent/CN107991930A/en
Publication of CN107991930A publication Critical patent/CN107991930A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0426—Programming the control sequence
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/22—Pc multi processor system
    • G05B2219/2232—Master executes modified program on slave demand

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Stored Programmes (AREA)

Abstract

The invention discloses a kind of coffee machine system software controls method, including coffee machine control system, whole coffee machine control system is divided into several independent sub-function modules according to functional requirement, each sub-function module realizes that the right of execution of CPU is assigned to subfunction according to fixed priority according to timer interruption by CPU and performed by function.By above-mentioned, coffee machine system software controls method provided by the invention, relatively complicated system software function can be realized under limited Embedded Hardware Platform resource, complicated systemic-function is decomposed into independent subfunction, each subfunction realizes that the right of execution of CPU is assigned to subfunction according to fixed priority according to timer interruption by CPU and performed by function, which can be in 8 M051 platforms (Flash:2k;RAM:Run on 128bit).

Description

A kind of coffee machine system software controls method
Technical field
The invention belongs to the technical field of coffee machine system, more particularly to a kind of coffee machine system software controls method.
Background technology
Existing coffee machine hardware control platform is typically all to be based on 8 MCU or cortex M0/M3 32 of M051 series The embedded hardware system of position ARM Series MCUs, it is enough, cost-effective, widely used that above-mentioned 2 serial MCU possess resource Advantage;With increasingly increase of the rapid development and terminal user of technology of Internet of things to the functional requirement of coffee machine, in order to meet Market demand coffee machine hardware system is constantly upgrading, by 8 traditional M051 family upgrades in 32 Cortex M3 Core, Cortex M4 kernel even more high rank double-core CPU Cortex A8 kernels；Hardware cost is constantly substantially increased, and terminal is used Contradiction between family functional requirement and cost control becomes increasingly conspicuous.Embedded Software Control System can be divided into traditional front and back system System and two big classification of real-time multi-task operating system (RTOS).
1）Back-fore ground system：Application program is a unlimited circulation, calls each power function to complete in circulation corresponding Operating function, this part can regard background system as；The Real-time Transaction of interrupt service routine processing system, this part can be regarded as Foreground system.
Back-fore ground system advantage：It is low to hardware platform resource requirement, system software is concise, new hand's left-hand seat speed is fast, Particularly it is used for handling individual feature, is optimal selection；Shortcoming：When systemic-function is more complicated, software code amount is big, and management is tired It is difficult, it is necessary to multiple interrupt processing functions realize foreground function, it is also inevitable that interrupt function is nested, may finally cause heap Stack space overflows, and system crash is abnormal.
2) real-time multi-task operating system (RTOS)：Macroscopically multiple tasks perform at the same time, and the realization of multitask running is Change, dispatch between many tasks by central processing unit.CPU serves some in multiple tasks by turns, typical embedding Enter formula application field multiple task operating system：ucos、Free RTOS、LINUX、WinCE.
Real-time multi-task operating system (RTOS) advantage：It can develop the large-scale application system of complexity, system portability is high, System stability is high, modularized design is shared out the work and help one another development system beneficial to more people.Shortcoming：, behaviour high to hardware platform resource requirement Make that system is relatively complicated, real-time is slightly worse, the accurate square wave output control of I/O port is such as realized under linux platforms.
The content of the invention
, can be limited the invention mainly solves the technical problem of providing a kind of coffee machine system software controls method Relatively complicated system software function is realized under Embedded Hardware Platform resource, complicated systemic-function is decomposed into independence Subfunction, each subfunction realizes that function is distributed the right of execution of CPU according to fixed priority according to timer interruption by CPU Performed to subfunction, which can be in 8 M051 platforms (Flash:2k;RAM:Run on 128bit).
In order to solve the above technical problems, one aspect of the present invention is：It is soft to provide a kind of coffee machine system Part control method, including coffee machine control system, it is only according to functional requirement to be divided into several by whole coffee machine control system Vertical sub-function module, each sub-function module realize function by CPU according to timer interruption according to fixed priority by CPU Right of execution be assigned to subfunction execution, specifically include following steps：
A, system hardware initialization, sub-function module distribution initialization stack space are carried out first；
B, timer 0 is started, mian functions enter circulation, and timer 0 waits interrupt processing；
C, 0 interrupt processing function of timer, triggering timer 2 produce interruption, and timer 0 exits interruption；
D, timer 2 interrupt processing function；
E, judge whether each sub-function module is ready；
F, each sub-function module of ready state exits timer 2 interruption, performs the function of each sub-function module；
G, after each sub-function module is finished, triggering timer 2 produces interruption, according to fixed priority from high to low suitable Sequence successively discharges CPU, and the control of each sub-function module priority CPU, realizes that each sub-function module sequentially performs successively；
F, back to timer 2 interrupt processing function.
In a preferred embodiment of the present invention, the timer 0 is system timer, and it is fixed to be set according to application demand When device break period.
In a preferred embodiment of the present invention, the break period of the timer 0 is 5ms.
In a preferred embodiment of the present invention, the timer 2 is the interruption of software triggering, and interrupt processing function is real Existing sub-function module obtains the function of CPU controls.
In a preferred embodiment of the present invention, the quantity of the sub-function module is 4.
In a preferred embodiment of the present invention, the fixed priority include fun_mode 1, fun_mode 2, Fun_mode 3 and fun_mode4.
In a preferred embodiment of the present invention, the highest priority of the fun_mode 1, fun_mode's 4 is excellent First level is minimum.
The beneficial effects of the invention are as follows：The coffee machine system software controls method of the present invention, can be limited embedded Relatively complicated system software function is realized under hardware platform resource, complicated systemic-function is decomposed into independent sub- work( Can, each subfunction realizes that the right of execution of CPU is assigned to sub- letter by function according to timer interruption by CPU according to fixed priority Number performs, which can be in 8 M051 platforms (Flash:2k;RAM:Run on 128bit).
Brief description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing, wherein：
Fig. 1 is the flow chart of one preferred embodiment of coffee machine system software controls method in the prior art.
Embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is common All other embodiment that technical staff is obtained without making creative work, belongs to the model that the present invention protects Enclose.
As shown in Figure 1, the embodiment of the present invention includes：
A kind of coffee machine system software controls method, including coffee machine control system, by whole coffee machine control system according to work( Energy demand is divided into several independent sub-function modules, and each sub-function module realizes function by CPU according in timer It is disconnected that the right of execution of CPU is assigned to subfunction execution according to fixed priority, specifically include following steps：
A, system hardware initialization, sub-function module distribution initialization stack space are carried out first；
B, timer 0 is started, mian functions enter circulation, and timer 0 waits interrupt processing；
C, 0 interrupt processing function of timer, triggering timer 2 produce interruption, and timer 0 exits interruption；
D, timer 2 interrupt processing function；
E, judge whether each sub-function module is ready；
F, each sub-function module of ready state exits timer 2 interruption, performs the function of each sub-function module；
G, after each sub-function module is finished, triggering timer 2 produces interruption, according to fixed priority from high to low suitable Sequence successively discharges CPU, and the control of each sub-function module priority CPU, realizes that each sub-function module sequentially performs successively；
F, back to timer 2 interrupt processing function.
The timer 0 is system timer, and the break period of timer is set according to application demand；The timing Device 2 is the interruption of software triggering, and interrupt processing function realizes that sub-function module obtains the function of CPU controls.Wherein, it is described The break period of timer 0 is 5ms.
In the present embodiment, the quantity of the sub-function module is 4, respectively including sub-function module 1, sub-function module 2nd, sub-function module 3 and sub-function module 4.Accordingly, the fixed priority include fun_mode 1, fun_mode 2, Fun_mode 3 and fun_mode4.Wherein, the highest priority of the fun_mode 1, the priority of fun_mode 4 is most It is low.
Mian functions, carry out system hardware initialization first, configure hardware resource, distribute and initialize sub-function module institute The storehouse needed, each sub-function module is independently of each other and original state is ready state, fixed priority, and fun_mode 1 is excellent First level highest, 4 priority of fun_mode is minimum, and sub-function module processing function is a small endless loop, in system timer 0 Stopping pregnancy is given birth to, and carries out interrupt processing function, and triggering timer 2 produces interruption, 1 sub-function modules of fun_mode of highest priority CPU controls are obtained first, and after CPU exits timer 2 interrupt processing function, fun_mode 1 handles function and is carried out； 1 functions of fun_mode, which are finished, calls the control of delay function release CPU, the 2 sub- work(of fun_mode that priority is taken second place Energy module just obtains the control of CPU.Realize that each sub-function module sequentially performs successively.
To reach above-mentioned purpose, the software code that the present invention uses is as follows：
The function module quantity of #define 4 // systems of FUN_NUM
typedef struct os_tcb
{
uchar sp;The stack top of // storehouse,
uchar OSTCBDly;// function module delay time, least unit system timer
uchar OSTCBStat;// function module state parameter
}OS_TCB;// function module control block parameter,
OS_TCB data myos_tcb[FUN_NUM +1];// distribution tcb spaces, last is sys.
uchar data cur_tasknum;// currently No. tcb and tcb pointers
OS_TCB data *data p_cur_task;
// due in c51 SP be always located at the last of idata areas, reserved enough storages are considered when using idata To SP, // necessity is that task stack is also allocated to data areas in space
uchar idata task1stk[30];// it is that function module distributes storehouse,
uchar idata task2stk[30];//
uchar idata task3stk[30];
uchar idata task4stk[30];
//#define SWQ() {CCTL0 |= CCIFG;} // request release CPU controls
// timer 2 work timing mode, it is allowed to produce interruption, timer 2 interrupt processing function, realizes CPU in different work( The function of switching between energy software
#define SWCTX(){ET2=1;TF2=1;}
void OSTaskInit (TASKNUM tasknum,REGTYPE *task,uchar *sp_top,OS_STATE OSTCBStat)
{ // function of initializing module stack
sp_top++;
*sp_top++ = (uint)task & 0xFF; /* low byte of return address */
*sp_top++ = (uint)task >> 8; /* high byte of return address*/
*sp_top++ = 0x0A; /* ACC */
*sp_top++ = 0x0B; /* B */
*sp_top++ = 0xD1; /* DPH */
*sp_top++ = 0xD0; /* DPL */
*sp_top++ = 0x00; /* PSW */
*sp_top++ = 0x00; /* R0 */
*sp_top++ = 0x01; /* R1 */
*sp_top++ = 0x02; /* R2 */
*sp_top++ = 0x03; /* R3 */
*sp_top++ = 0x04; /* R4 */
*sp_top++ = 0x05; /* R5 */
*sp_top++ = 0x06; /* R6 */
*sp_top = 0x07; /* R7 */
myos_tcb[tasknum].sp=sp_top;//
myos_tcb[tasknum].OSTCBDly=0;
myos_tcb[tasknum].OSTCBStat=OSTCBStat;
}
//tick is interrupted using timer0
One timer of // system occupancy is also rational at last, produces the interruption of fixed time slicing, and interrupt processing function sets out fixed When 2 interrupt identification of device, 2 interrupt processing of completion timing device
#define RELOADH 0xDC // set according to the crystal oscillator used, timing 5ms
#define RELOADL 0x00
void init_tick8swi_timer(void)
{ // system timer initializes
TMOD|=T0_M0;1 mode 1 of // timer
TH0=RELOADH;
TL0=RELOADL;// timing 5ms. kernels carry out a subtask switching per 5ms
ET0=1;
TR0=1;
}
void OSSemPend(OS_SEM_LIST sem,uchar timeout)
{ //timeout==0 represent Infinite Time, function module delay function
// time out error is not returned, the OSTCBDly that user program oneself reads tcb determines that this function in the process of implementation can not be by It is disconnected, when grade until corresponding signal amount or timeout times arrive
// EA=0;
if(myos_sem[sem].sem_cnt>0)//
{
myos_sem[sem].sem_cnt--;
return;
}
else
{
p_cur_task->OSTCBStat=OS_STAT_SEM;
p_cur_task->OSTCBDly=timeout;
myos_sem[sem].waittask |= ((uint)1<<cur_tasknum);
// request timer 2 interrupt processing function
SWCTX();
}
// EA=1;
}
Void my_tick (void) interrupt 1 // beat functions
{ ///system timer interrupts processing subfunction, function module delay time arrive, and complete CPU cutting between function module Change
uchar data i;
TH0=RELOADH;
TL0=RELOADL;
// timing 5ms. kernels carry out a subtask switching per 5ms
for(i=0;i<TASKNUM_HIGH;I++) // check OSTCBDly, and timing
{
if(myos_tcb[i].OSTCBDly > 0)
{ // function module delay time arrives
myos_tcb[i].OSTCBDly--;
If (myos_tcb [i] .OSTCBDly==the 0) // time arrives
{
myos_tcb[i].OSTCBStat = OS_STAT_RDY;
}
}
}
SWCTX();// triggering timer 2 interrupt flag bit
}
void fun_mode3(void)
{ ///function module 3
while(1)
{
OSSemPend(SEM_CONST_FALSE,100);
}
}
void fun_mode4(void)
{ ///function module 4
while(1)
{
OSSemPend(SEM_CONST_FALSE,20);
}
}
void fun_mode1(void)
{ ///function module 1
while(1)//debug {
OSSemPend(SEM_CONST_FALSE,10);
}
}
void fun_mode2(void)
{ ///function module 2
while(1){
OSSemPend(SEM_CONST_FALSE,10);// IC card, the task are sky
}
}
// // // principal function
//int high bytes are stored in address low level
Void main (void) // main program
{
inisys();// system initialization.Configure the register I/O port and On-Chip peripheral resource of CPU
// it is function module distribution and initialization module stack region
OSTaskInit(task1,(REGTYPE*)fun_mode1,task1stk,OS_STAT_RDY); OSTaskInit (task2,(REGTYPE*) fun_mode 2,task2stk,OS_STAT_RDY); OSTaskInit(task3, (REGTYPE*) fun_mode 3,task3stk,OS_STAT_RDY); OSTaskInit(task4,(REGTYPE*) fun_ mode 4,task4stk,OS_STAT_RDY);
// system function module storehouse initializes, and is directly divided into 4 independent subfunctions with storehouse // system software of main Function,
myos_tcb[tasksys].OSTCBDly=0;
myos_tcb[tasksys].OSTCBStat=OS_STAT_RDY;
cur_tasknum = tasksys;The function module that //CPU is currently running
p_cur_task = &myos_tcb[tasksys];
task2_delay_1s=0;
modem_inital_overtime=0;
set_temperature_flag=0;
// initialization system tick
count_1s=0;
init_tick8swi_timer();
EA=1;
While (true) // main program, handles message
{;
}
}。
The coffee machine system software controls method of the present invention, can be independent by being decomposed into by complicated system controlling software Subfunction causes the exploitation of the system software of complexity to simplify；It is easy to multi-person synergy exploitation and the system at systemic software development initial stage The maintainability in software later stage, since each subsystem is relatively independent, system software can be very easily by deleting or increasing by one A or multiple sub-function module softwares weaken or increase coffee machine systemic-function.
In conclusion the coffee machine system software controls method of the present invention, can provide in limited Embedded Hardware Platform Relatively complicated system software function is realized under source, complicated systemic-function is decomposed into independent subfunction, each sub- work( Energy realizes that the right of execution of CPU is assigned to subfunction according to fixed priority according to timer interruption by CPU and performed by function, should System software can be in 8 M051 platforms (Flash:2k;RAM:Run on 128bit).
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair The equivalent structure or equivalent flow shift that bright description is made, is directly or indirectly used in other relevant technology necks Domain, is included within the scope of the present invention.

Claims (7)

  1. A kind of 1. coffee machine system software controls method, it is characterised in that including coffee machine control system, by whole coffee machine control System processed is divided into several independent sub-function modules according to functional requirement, and each sub-function module realizes function by CPU The right of execution of CPU is assigned to subfunction according to fixed priority according to timer interruption to perform, specifically includes following steps：
    A, system hardware initialization, sub-function module distribution initialization stack space are carried out first；
    B, timer 0 is started, mian functions enter circulation, and timer 0 waits interrupt processing；
    C, 0 interrupt processing function of timer, triggering timer 2 produce interruption, and timer 0 exits interruption；
    D, timer 2 interrupt processing function；
    E, judge whether each sub-function module is ready；
    F, each sub-function module of ready state exits timer 2 interruption, performs the function of each sub-function module；
    G, after each sub-function module is finished, triggering timer 2 produces interruption, according to fixed priority from high to low suitable Sequence successively discharges CPU, and the control of each sub-function module priority CPU, realizes that each sub-function module sequentially performs successively；
    F, back to timer 2 interrupt processing function.
  2. 2. coffee machine system software controls method according to claim 1, it is characterised in that the timer 0 is to be System timer, the break period of timer is set according to application demand.
  3. 3. coffee machine system software controls method according to claim 2, it is characterised in that in the timer 0 The disconnected time is 5ms.
  4. 4. coffee machine system software controls method according to claim 1, it is characterised in that the timer 2 is soft The interruption of part triggering, interrupt processing function realize that sub-function module obtains the function of CPU controls.
  5. 5. coffee machine system software controls method according to claim 1, it is characterised in that the sub-function module Quantity is 4.
  6. 6. coffee machine system software controls method according to claim 5, it is characterised in that the fixed priority bag Include fun_mode 1, fun_mode 2, fun_mode 3 and fun_mode4.
  7. 7. coffee machine system software controls method according to claim 6, it is characterised in that the fun_mode's 1 Highest priority, the priority of fun_mode 4 are minimum.
CN201711343835.7A 2017-12-15 2017-12-15 A kind of coffee machine system software controls method Pending CN107991930A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109840075A (en) * 2018-12-21 2019-06-04 宁波德晶元科技有限公司 A kind of control panel general program frame and design method based on hierarchical design

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US20140310730A1 (en) * 2006-09-29 2014-10-16 Rockwell Automation Technologies, Inc. Multiple interface support
CN106569888A (en) * 2016-11-04 2017-04-19 郑州云海信息技术有限公司 ARM interrupt processing method and system
CN106843047A (en) * 2017-01-24 2017-06-13 苏州咖博士咖啡系统科技有限公司 A kind of coffee machine method of actuator control

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050283553A1 (en) * 2004-06-18 2005-12-22 General Electric Company Event based operating system, method, and apparatus for instrumentation and control systems
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CN101290588A (en) * 2008-03-07 2008-10-22 重庆邮电大学 Micro-embedded real time task scheduling device and scheduling method
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CN106843047A (en) * 2017-01-24 2017-06-13 苏州咖博士咖啡系统科技有限公司 A kind of coffee machine method of actuator control

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Publication number Priority date Publication date Assignee Title
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