#include <stdlib.h>
+#include <pthread.h>
#include "roboint.h"
#include "ros/ros.h"
#include "roboint/Output.h"
#include "roboint/Inputs.h"
-FT_TRANSFER_AREA *transfer_area = NULL;
-
+static FT_TRANSFER_AREA *transfer_area = NULL;
+static char pwm[8] = {0};
+static char pwm_next[8] = {0};
+static pthread_mutex_t pwm_mutex = PTHREAD_MUTEX_INITIALIZER;
void cb_set_output(const ::roboint::OutputConstPtr& msg) {
- if (msg->speed == 0) {
- transfer_area->M_Main &= ~(1<<(msg->num-1));
- } else {
- transfer_area->M_Main |= (1<<(msg->num-1));
- }
- transfer_area->MPWM_Main[msg->num-1] = msg->speed;
+ pthread_mutex_lock(&pwm_mutex);
+ pwm_next[msg->num] = abs(msg->speed);
+ pthread_mutex_unlock(&pwm_mutex);
}
void cb_set_motor(const ::roboint::MotorConstPtr& msg) {
- unsigned char iDirection = 0;
- int speed = abs(msg->speed);
-
- if (msg->speed > 0) iDirection = 0x1;
- else if (msg->speed < 0) iDirection = 0x2;
-
- transfer_area->M_Main &= ~(3<<(msg->num-1)*2);
- transfer_area->M_Main |= iDirection<<(msg->num-1)*2;
- transfer_area->MPWM_Main[(msg->num-1)*2] = speed;
- transfer_area->MPWM_Main[(msg->num-1)*2 + 1] = speed;
+ pthread_mutex_lock(&pwm_mutex);
+ if (msg->speed > 0) {
+ pwm_next[msg->num*2] = abs(msg->speed);
+ pwm_next[msg->num*2+1] = 0;
+ } else {
+ pwm_next[msg->num*2] = 0;
+ pwm_next[msg->num*2+1] = abs(msg->speed);
+ }
+ pthread_mutex_unlock(&pwm_mutex);
}
* than we can send them, the number here specifies how many messages to
* buffer up before throwing some away.
*/
- ros::Publisher chatter_pub = n.advertise<roboint::Inputs>("ft/get_inputs", 10);
+ ros::Publisher pub_inputs = n.advertise<roboint::Inputs>("ft/get_inputs", 10);
ros::Rate loop_rate(100);
while(ros::ok()) {
roboint::Inputs msg;
+ pthread_mutex_lock(&pwm_mutex);
+ msg.header.stamp = ros::Time::now();
sem_wait(&hFt->lock);
for (int i=0; i<=7; i++) {
msg.input[i] = (transfer_area->E_Main & (1<<i)) >> i;
}
+ for (int i=0; i<=7; i++) {
+ msg.output[i] = pwm[i];
+ pwm[i] = pwm_next[i];
+
+ if (pwm[i] == 0) {
+ transfer_area->M_Main &= ~(1<<(i));
+ } else {
+ transfer_area->M_Main |= (1<<(i));
+ }
+ transfer_area->MPWM_Main[i] = pwm[i];
+ }
msg.ax = transfer_area->AX;
msg.ay = transfer_area->AY;
msg.a1 = transfer_area->A1;
msg.d1 = transfer_area->D1;
msg.d2 = transfer_area->D2;
sem_post(&hFt->lock);
+ pthread_mutex_unlock(&pwm_mutex);
/**
* The publish() function is how you send messages. The parameter
* given as a template parameter to the advertise<>() call, as was done
* in the constructor above.
*/
- chatter_pub.publish(msg);
+ pub_inputs.publish(msg);
/**
* ros::spin() will enter a loop, pumping callbacks. With this version, all