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35 lines
839 B
C
35 lines
839 B
C
#include "critical.h"
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#include "core_defines.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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static portMUX_TYPE critical_mutex;
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__TtCriticalInfo __tt_critical_enter(void) {
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__TtCriticalInfo info;
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info.isrm = 0;
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info.from_isr = TT_IS_ISR();
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info.kernel_running = (xTaskGetSchedulerState() == taskSCHEDULER_RUNNING);
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if (info.from_isr) {
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info.isrm = taskENTER_CRITICAL_FROM_ISR();
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} else if (info.kernel_running) {
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taskENTER_CRITICAL(&critical_mutex);
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} else {
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portDISABLE_INTERRUPTS();
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}
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return info;
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}
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void __tt_critical_exit(__TtCriticalInfo info) {
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if (info.from_isr) {
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taskEXIT_CRITICAL_FROM_ISR(info.isrm);
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} else if (info.kernel_running) {
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taskEXIT_CRITICAL(&critical_mutex);
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} else {
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portENABLE_INTERRUPTS();
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}
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} |