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Review fixes

pull/11976/head
Piotr Stolarz 2019-12-03 18:04:15 +01:00
parent feb6a46619
commit 9a70621507
1 changed files with 2 additions and 5 deletions
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7
features/lwipstack/lwip-sys/arch/lwip_sys_arch.c
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@ -116,9 +116,6 @@ u32_t sys_now(void) {
/* CMSIS-RTOS implementation of the lwip operating system abstraction */
#include "arch/sys_arch.h"
/* modulus subtract: (a - b) mod m, where a, b belongs to mod m ring */
#define SUB_MOD(a, b, m) ((a) >= (b) ? (a) - (b) : (m) - (b) + (a))
/*---------------------------------------------------------------------------*
* Routine: sys_mbox_new
*---------------------------------------------------------------------------*
@ -181,7 +178,7 @@ void sys_mbox_post(sys_mbox_t *mbox, void *msg) {
mbox->post_idx = (mbox->post_idx + 1) % MB_SIZE;
osEventFlagsSet(mbox->id, SYS_MBOX_FETCH_EVENT);
if (SUB_MOD(mbox->post_idx, mbox->fetch_idx, MB_SIZE) >= MB_SIZE-1)
if ((mbox->post_idx + 1) % MB_SIZE == mbox->fetch_idx)
osEventFlagsClear(mbox->id, SYS_MBOX_POST_EVENT);
osKernelRestoreLock(state);
@ -214,7 +211,7 @@ err_t sys_mbox_trypost(sys_mbox_t *mbox, void *msg) {
mbox->post_idx = (mbox->post_idx + 1) % MB_SIZE;
osEventFlagsSet(mbox->id, SYS_MBOX_FETCH_EVENT);
if (SUB_MOD(mbox->post_idx, mbox->fetch_idx, MB_SIZE) >= MB_SIZE-1)
if ((mbox->post_idx + 1) % MB_SIZE == mbox->fetch_idx)
osEventFlagsClear(mbox->id, SYS_MBOX_POST_EVENT);
osKernelRestoreLock(state);