Echtzeitdatenverarbeitung/Bearbeiten2.c

310 lines
7.3 KiB
C

#include <rtai_mbx.h>
#include <rtai_sched.h>
#include <rtai_sem.h>
#include <uint128.h>
#include <sys/rtai_modbus.h>
#define SENSOR_PART_TURNTABLE 1<<0
#define SENSOR_PART_DRILL 1<<1
#define SENSOR_PART_TESTER 1<<2
#define SENSOR_DRILL_UP 1<<3
#define SENSOR_DRILL_DOWN 1<<4
#define SENSOR_TURNTABLE_POS 1<<5
#define SENSOR_PART_TEST 1<<6
#define ACTOR_DRILL 1<<0
#define ACTOR_TURNTABLE 1<<1
#define ACTOR_DRILL_DOWN 1<<2
#define ACTOR_DRILL_UP 1<<3
#define ACTOR_PART_HOLD 1<<4
#define ACTOR_TESTER 1<<5
#define ACTOR_EXIT 1<<6
#define ACTOR_ENTRANCE 1<<7
MODULE_LICENSE("GPL");
static RT_TASK turntable_task, drill_task, tester_task, output_task;
static MBX tester_mbx, output_mbx, drill_mbx, turntable_mbx;
static SEM semaphore;
int connection;
char node[] = "modbus-node";
void end(bool fail) {
rt_modbus_disconnect(connection);
rt_task_delete(&turntable_task);
rt_task_delete(&tester_task);
rt_task_delete(&drill_task);
rt_task_delete(&output_task);
rt_mbx_delete(&tester_mbx);
rt_mbx_delete(&output_mbx);
rt_sem_delete(&semaphore);
stop_rt_timer();
if(fail) {
rt_printk("failed to read/send Modbus message.\n");
rt_printk("module needs to be restarted.\n");
}
}
/**
* readData all bits of the specified type
* this function is *not* thread safe.
* @param type (DIGITAL_IN, DIGITAL_OUT, ANALOG_IN, ANALOG_OUT)
* @param connection modbus connection id
* @param result value to write the result to
* @return status code(0: success, 1: failure)
*/
int readAll(int type, int *result) {
int res = rt_modbus_get(connection, type, 0, (unsigned short *) result);
//rt_printk("%d\n", res);
//rt_printk("%d", &result);
return res;
}
/**
*
* this function is thread safe.
* @param part
* @return
*/
int readData(int part) {
rt_sem_wait(&semaphore);
int value = 0;
int code = readAll(DIGITAL_IN, &value);
int result = (part & value);
rt_sem_signal(&semaphore);
if(code) end(true);
return result;
}
/**
* disable a specified actor of the system.
* this function is thread safe.
* @param connection modbus connection id
* @param actor bitmask of the actor to disable
*/
void disable(int actor) {
rt_sem_wait(&semaphore);
int value = 0;
int code = readAll(DIGITAL_OUT, &value);
if(code) end(true);
int result = rt_modbus_set(connection, DIGITAL_OUT, 0, value &= ~actor);
rt_sem_signal(&semaphore);
if (result) end(true);
}
/**
* enable one specified actor of the system.
* this function is thread safe.
* @param connection modbus connection id
* @param actor bitmask of the actor to enable
*/
void enable(int actor) {
rt_sem_wait(&semaphore);
int output = 0;
int code = readAll(DIGITAL_OUT, &output);
if (code) end(true);
int result;
result = rt_modbus_set(connection, DIGITAL_OUT, 0, output |= actor);
rt_sem_signal(&semaphore);
if(result) end(true);
}
void sleepStuff(void) {
rt_sleep(1000 * nano2count(1000000));
}
static void turntable(long data) {
// rt_printk("started turntable task");
// disable(ACTOR_TURNTABLE);
//
// while (1) {
// int partOnTable = readData(SENSOR_PART_TURNTABLE);
// rt_printk("%d", partOnTable);
// if (partOnTable) {
// enable(ACTOR_TURNTABLE);
// } else {
// disable(ACTOR_TURNTABLE);
// }
//
// sleepStuff();
// }
while (1) {
sleepStuff();
}
}
static void tester(long data) {
disable(ACTOR_TESTER);
while (1) {
int partOnTable = readData(SENSOR_PART_TESTER);
rt_printk("part: %d\n", partOnTable);
if(partOnTable) {
enable(ACTOR_TESTER);
sleepStuff();
int partNormal = readData(SENSOR_PART_TEST);
if(partNormal) {
//nachricht bohrer(ON)
int msg = 1;
int mbxStatus = rt_mbx_send(&drill_mbx, &msg, sizeof(int));
if(mbxStatus) end(true);
} else {
//nachricht bohrer(OFF)
int msg = 0;
int mbxStatus = rt_mbx_send(&drill_mbx, &msg, sizeof(int));
if(mbxStatus) end(true);
}
rt_printk("normal %d\n", partNormal);
disable(ACTOR_TESTER);
//Nachricht drehteller
}
sleepStuff();
}
}
static void drill(long data) {
disable(ACTOR_DRILL);
disable(ACTOR_PART_HOLD);
disable(ACTOR_DRILL_DOWN);
rt_printk("hello");
enable(ACTOR_DRILL_UP);
if (!readData(SENSOR_DRILL_UP)) {
do {
} while (readData(SENSOR_DRILL_UP) == 0);
}
disable(ACTOR_DRILL_UP);
while (1) {
int part = readData(SENSOR_PART_DRILL);
if(part) {
int msg = 0;
int mbxStatus = rt_mbx_receive(&drill_mbx, &msg, sizeof(int));
if(mbxStatus) end(true);
if(msg) {
enable(ACTOR_PART_HOLD);
enable(ACTOR_DRILL);
enable(ACTOR_DRILL_DOWN);
if (!readData(SENSOR_DRILL_DOWN)) {
do {
} while (readData(SENSOR_DRILL_DOWN) == 0);
}
sleepStuff();
disable(ACTOR_PART_HOLD);
disable(ACTOR_DRILL);
disable(ACTOR_DRILL_DOWN);
enable(ACTOR_DRILL_UP);
if (!readData(SENSOR_DRILL_UP)) {
do {
} while (readData(SENSOR_DRILL_UP) == 0);
}
disable(ACTOR_DRILL_UP);
}
}
int msg = part;
int mbxStatus = rt_mbx_send(&output_mbx, &msg, sizeof(int));
if(mbxStatus) end(true);
sleepStuff();
}
}
static void output(long data) {
while (1) {
//turntable msg
int msg = 0;
int mbxStatus = rt_mbx_receive(&output_mbx, &msg, sizeof(int));
if(mbxStatus) end(true);
if(msg) {
enable(ACTOR_EXIT);
sleepStuff();
disable(ACTOR_EXIT);
}
//nachricht an turntable
sleepStuff();
}
}
static int __init
example_init(void) {
rt_set_oneshot_mode();
start_rt_timer(0);
modbus_init();
rt_printk("init: task started\n");
if ((connection = rt_modbus_connect(node)) == -1) {
rt_printk("init: could not connect to %s\n", node);
return 1;
}
rt_sem_init(&semaphore, 1);
if (rt_task_init(&turntable_task, turntable, 0, 1024, 0, 0, NULL)) {
printk("turntable: cannot initialize task\n");
goto fail;
}
if (rt_task_init(&drill_task, drill, 0, 1024, 0, 0, NULL)) {
printk("drill: cannot initialize task\n");
goto fail;
}
if (rt_task_init(&output_task, output, 0, 1024, 0, 0, NULL)) {
printk("output: cannot initialize task\n");
goto fail;
}
if (rt_task_init(&tester_task, tester, 0, 1024, 0, 0, NULL)) {
printk("tester: cannot initialize task\n");
goto fail;
}
if (rt_mbx_init(&tester_mbx, sizeof(int))) {
end(true);
}
if (rt_mbx_init(&output_mbx, sizeof(int))) {
end(true);
}
if (rt_mbx_init(&drill_mbx, sizeof(int))) {
end(true);
}
if (rt_mbx_init(&output_mbx, sizeof(int))) {
end(true);
}
if (rt_mbx_init(&turntable_mbx, sizeof(int))) {
end(true);
}
rt_task_resume(&turntable_task);
rt_task_resume(&drill_task);
rt_task_resume(&output_task);
rt_task_resume(&tester_task);
printk("loaded module Bearbeiten2\n");
return (0);
fail:
end(true);
return (1);
}
static void __exit
example_exit(void) {
end(false);
printk("module Bearbeiten2 unloaded\n");
}
module_exit(example_exit)
module_init(example_init)