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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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DBGU AIC Config irq_id?Posted by Allure99 on July 16, 2007 Hi, Following are the example code to enable interrupt for UART0. Q: Whats the "irq_id" for DBGU? /* Enable the interrupts in the AIC. */ // AT91F_AIC_ConfigureIt( irq_id, priority, src_type, newHandler ) AT91F_AIC_ConfigureIt(AT91C_ID_US0, serINTERRUPT_LEVEL, AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, ( void (*)( void ) ) vUART_ISR ); AT91C_BASE_AIC->AIC_IECR = 0x1 << AT91C_ID_SSC; my Board: AT91SAM7X-EK Compiler: CrossWork 1.7 (GCC) example: FreeRTOS IwIP Thanks! RE: DBGU AIC Config irq_id?Posted by embeddedc on July 16, 2007 The DBGU uses the system interrupt. From memory this is the same ID as the PIT. The PIT interrupt is setup in port.c, so you can get the ID from there. The DBGU and PIT share the interrupt, so in the ISR you need to determine the interrupt source and cannot vector to the interrupt directly without doing this first (tell me someone if this is wrong). There have been some threads on this list some time back about this.
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NXP tweet showing LPC5500 (ARMv8-M Cortex-M33) running FreeRTOS.
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