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a bugfix for mail queue and printf clipping switch

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1. add TOS_CFG_LIBC_PRINTF_EN
1: enable printf to implement tos_kprintf
when you call tos_kprintf(actually currently it's a MACRO rather than a function) , the libc will be invloved into the image, most of the time it means a larger image size.

0: disable printf, means tos_kprintf is defined as an empty MACRO
most of the time, means you will not get a log output from the uart(currently we donnot have a console yet) but a smaller image size.

2. fix a bug of tos_mail_q and tos_priority_mail_q
if we are post-ing a mail and there is[are] task[s] just pend-ing for the mail queue, the mail delivered to the pend-er will be a pointer, and probably it's a pointer to the local variable on the stack. Actually we should do a memcpy rather than a pointer assignment. for more details, see the patch.
This commit is contained in:
daishengdong
2019-11-25 21:04:37 +08:00
parent 7b7c806f2a
commit 96cf620708
20 changed files with 68 additions and 59 deletions
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8
kernel/core/tos_task.c
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@@ -488,14 +488,14 @@ __API__ k_err_t tos_task_delay(k_tick_t delay)
return K_ERR_NONE;
}
TOS_CPU_INT_DISABLE();
if (tick_list_add(k_curr_task, delay) != K_ERR_NONE) {
TOS_CPU_INT_ENABLE();
if (unlikely(delay == TOS_TIME_FOREVER)) {
// if you wanna delay your task forever, why don't just suspend?
return K_ERR_DELAY_FOREVER;
}
TOS_CPU_INT_DISABLE();
tick_list_add(k_curr_task, delay);
readyqueue_remove(k_curr_task);
TOS_CPU_INT_ENABLE();