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FreeRTOS Support ArchiveThe FreeRTOS support forum is used to obtain active support directly from Real Time Engineers Ltd. In return for using our top quality software and services for free, we request you play fair and do your bit to help others too! Sign up to receive notifications of new support topics then help where you can.
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xQueueSendFromISRPosted by ch2 on January 25, 2006 xQueueHDLC = xQueueCreate( 100, sizeof( u8 ) ); ... in IRQ : xTaskWokenByPost = pdFALSE; for(addr = recv_buf_addr; addr<(recv_buf_addr + 150);(addr+=1)) { cIn = (*(u8 *)addr); xTaskWokenByPost = xQueueSendFromISR( xQueueHDLC, &cIn, xTaskWokenByPost ); } if we create a queue with 100 bytes and we send more than 100 bytes in the queue, how FreeRTOS is managing this? Or we must manage it with a counter? Thanks. Chris. RE: xQueueSendFromISRPosted by Nobody/Anonymous on January 25, 2006 The character will be lost! If there is no room on the queue the ISR cannot block so the character has nowhere to go.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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