ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Use shared event queue for timer 

Don't create our own timer thread - use the shared event queue.
pull/4406/head
Kevin Bracey 2017-05-30 16:18:09 +03:00
parent eb80c25398
commit b55af5c620
1 changed files with 5 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
features/FEATURE_COMMON_PAL/nanostack-hal-mbed-cmsis-rtos/arm_hal_timer.cpp
View File

@ -4,48 +4,23 @@
// Include before mbed.h to properly get UINT*_C()
#include "ns_types.h"
#include "mbed.h"
#include "cmsis_os2.h"
#include "rtx_os.h"
#include "platform/arm_hal_timer.h"
#include "platform/arm_hal_interrupt.h"
#include <mbed_assert.h>
static osThreadId_t timer_thread_id;
static uint64_t timer_thread_stk[2048/sizeof(uint64_t)];
static osRtxThread_t timer_thread_tcb;
static Timer timer;
static Timeout timeout;
static EventQueue *equeue;
static uint32_t due;
static void (*arm_hal_callback)(void);
static void timer_thread(void *arg)
{
(void)arg;
for (;;) {
osThreadFlagsWait(1, osFlagsWaitAny, osWaitForever);
// !!! We don't do our own enter/exit critical - we rely on callback
// doing it (ns_timer_interrupt_handler does)
//platform_enter_critical();
arm_hal_callback();
//platform_exit_critical();
}
}
// Called once at boot
void platform_timer_enable(void)
{
static osThreadAttr_t timer_thread_attr = {0};
timer_thread_attr.name = "pal_timer_thread";
timer_thread_attr.stack_mem = &timer_thread_stk[0];
timer_thread_attr.cb_mem = &timer_thread_tcb;
timer_thread_attr.stack_size = sizeof(timer_thread_stk);
timer_thread_attr.cb_size = sizeof(timer_thread_tcb);
timer_thread_attr.priority = osPriorityRealtime;
timer_thread_id = osThreadNew(timer_thread, NULL, &timer_thread_attr);
MBED_ASSERT(timer_thread_id != NULL);
timer.start();
equeue = mbed_highprio_event_queue();
MBED_ASSERT(equeue != NULL);
}
// Actually cancels a timer, not the opposite of enable
@ -63,7 +38,7 @@ void platform_timer_set_cb(void (*new_fp)(void))
static void timer_callback(void)
{
due = 0;
osThreadFlagsSet(timer_thread_id, 1);
equeue->call(arm_hal_callback);
}
// This is called from inside platform_enter_critical - IRQs can't happen