#define BIT_0 ( 1 << 0 ) #define BIT_4 ( 1 << 4 ) void aFunction( EventGroupHandle_t xEventGroup ) { EventBits_t uxBits; /* Set bit 0 and bit 4 in xEventGroup. */ uxBits = xEventGroupSetBits( xEventGroup, /* The event group being updated. */ BIT_0 | BIT_4 );/* The bits being set. */ if( ( uxBits & ( BIT_0 | BIT_4 ) ) == ( BIT_0 | BIT_4 ) ) { /* Both bit 0 and bit 4 remained set when the function returned. */ } else if( ( uxBits & BIT_0 ) != 0 ) { /* Bit 0 remained set when the function returned, but bit 4 was cleared. It might be that bit 4 was cleared automatically as a task that was waiting for bit 4 was removed from the Blocked state. */ } else if( ( uxBits & BIT_4 ) != 0 ) { /* Bit 4 remained set when the function returned, but bit 0 was cleared. It might be that bit 0 was cleared automatically as a task that was waiting for bit 0 was removed from the Blocked state. */ } else { /* Neither bit 0 nor bit 4 remained set. It might be that a task was waiting for both of the bits to be set, and the bits were cleared as the task left the Blocked state. */ } }
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