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check if in interrupt context

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This commit is contained in:
sakumisu
2022-02-07 18:13:28 +08:00
parent 1cb56fe0ef
commit 1868589843
1 changed files with 7 additions and 6 deletions
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11
osal/usb_osal_freertos.c
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@@ -60,14 +60,15 @@ int usb_osal_sem_take(usb_osal_sem_t sem)
int usb_osal_sem_give(usb_osal_sem_t sem)
{
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
uint32_t intstatus = 1;
uint32_t intstatus = 0;
int ret;
#ifdef __riscv
/* Obtain the level of the currently executing interrupt. */
// __asm volatile("csrr %0, mintstatus"
// : "=r"(intstatus)::"memory");
__asm volatile("csrr %0, mintstatus" : "=r"(intstatus)::"memory");
#else
/* Obtain the number of the currently executing interrupt. */
// __asm volatile ( "mrs %0, ipsr" : "=r" ( intstatus )::"memory" );
__asm volatile ( "mrs %0, ipsr" : "=r" ( intstatus )::"memory" );
#endif
if (intstatus == 0) {
ret = xSemaphoreGive((SemaphoreHandle_t)sem);
} else {