96 lines
1.8 KiB
C
96 lines
1.8 KiB
C
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <chopstx.h>
|
|
#include "sys.h" /* for set_led */
|
|
|
|
static chopstx_mutex_t mtx;
|
|
static chopstx_cond_t cnd0;
|
|
static chopstx_cond_t cnd1;
|
|
|
|
static uint8_t u, v;
|
|
static uint8_t m; /* 0..100 */
|
|
|
|
static void *
|
|
pwm (void *arg)
|
|
{
|
|
(void)arg;
|
|
|
|
chopstx_mutex_lock (&mtx);
|
|
chopstx_cond_wait (&cnd0, &mtx);
|
|
chopstx_mutex_unlock (&mtx);
|
|
|
|
while (1)
|
|
{
|
|
set_led (u&v);
|
|
chopstx_usec_wait (m);
|
|
set_led (0);
|
|
chopstx_usec_wait (100-m);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void *
|
|
blk (void *arg)
|
|
{
|
|
(void)arg;
|
|
|
|
chopstx_mutex_lock (&mtx);
|
|
chopstx_cond_wait (&cnd1, &mtx);
|
|
chopstx_mutex_unlock (&mtx);
|
|
|
|
while (1)
|
|
{
|
|
v = 0;
|
|
chopstx_usec_wait (200*1000);
|
|
v = 1;
|
|
chopstx_usec_wait (200*1000);
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#define PRIO_PWM 3
|
|
#define PRIO_BLK 2
|
|
|
|
extern uint8_t __process1_stack_base__, __process1_stack_size__;
|
|
extern uint8_t __process2_stack_base__, __process2_stack_size__;
|
|
|
|
const uint32_t __stackaddr_pwm = (uint32_t)&__process1_stack_base__;
|
|
const size_t __stacksize_pwm = (size_t)&__process1_stack_size__;
|
|
|
|
const uint32_t __stackaddr_blk = (uint32_t)&__process2_stack_base__;
|
|
const size_t __stacksize_blk = (size_t)&__process2_stack_size__;
|
|
|
|
|
|
int
|
|
main (int argc, const char *argv[])
|
|
{
|
|
(void)argc;
|
|
(void)argv;
|
|
|
|
chopstx_mutex_init (&mtx);
|
|
chopstx_cond_init (&cnd0);
|
|
chopstx_cond_init (&cnd1);
|
|
|
|
m = 10;
|
|
|
|
chopstx_create (PRIO_PWM, __stackaddr_pwm, __stacksize_pwm, pwm, NULL);
|
|
chopstx_create (PRIO_BLK, __stackaddr_blk, __stacksize_blk, blk, NULL);
|
|
|
|
chopstx_usec_wait (200*1000);
|
|
|
|
chopstx_mutex_lock (&mtx);
|
|
chopstx_cond_signal (&cnd0);
|
|
chopstx_cond_signal (&cnd1);
|
|
chopstx_mutex_unlock (&mtx);
|
|
|
|
while (1)
|
|
{
|
|
u ^= 1;
|
|
chopstx_usec_wait (200*1000*6);
|
|
}
|
|
|
|
return 0;
|
|
}
|