Writing Atmel IRQ handlers with GNU

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Read-Only Author Al Navarro Posted 23-Apr-2004 15:21 Toolset ARM	Writing Atmel IRQ handlers with GNU Al Navarro The BlinkyIRQ example is not compatible with the Atmel AT91 family. And none of Atmel's appnotes use GNU. Is it possible to use the same: void tc2_test (void) __attribute__ ((interrupt)); // Generate Interrupt setup for the AT91, or is it necessary to use the assembler handler examples that Atmel gives in their application notes? Any other comments of suggestions would be appreciated. Thanks, Al
Read-Only Author erik malund Posted 26-Apr-2004 09:11 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU erik malund Asking about GNU on the Keil site? Erik
Read-Only Author Hans-Bernhard Broeker Posted 26-Apr-2004 11:00 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Hans-Bernhard Broeker Asking about GNU on the Keil site? Of course. Did you note the toolset selection being "ARM"? The "Keil" ARM toolchain is actually GNU binutils and GCC. Only the IDE and friends are made by Keil themselves.
Read-Only Author Jon Ward Posted 9-Jan-2005 13:23 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Jon Ward Of course. Did you note the toolset selection being "ARM"? The "Keil" ARM toolchain is actually GNU binutils and GCC. Only the IDE and friends are made by Keil themselves. This was true in April 2004. At that time, the Keil IDE (uVision) worked with the GNU tools and with the ARM ADS/Realview tools. Since about August 2004, Keil has been shipping a BETA release of our own ARM Assembler and Compiler. Our IDE supports our own tools and will continue to support the GNU and ARM tools as well. Jon
Read-Only Author Support Intl. Posted 29-Apr-2004 08:34 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Support Intl. Take a look to the folder: \Keil\ARM\GNU\Boards\Phytec\AT91M55800A\Measure This example contains an interrupt function for an Atmel device. It runs perfect on a Phytec board.
Read-Only Author Yousef Sohebani Posted 9-Jan-2005 06:16 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Yousef Sohebani in GNU / AT91, this example is fine for one interrupt. but this attribute will never work on nested interrupts. like receiving a higher priority interrupt while another is still running. because the CPSR-I bit is disabled just before entering the routine. CPSR-I must be enabled manually for higher priority interrupts to work correctly. im not sure how ARM compiler will work using __irq attribute?
Read-Only Author Keil Reinhard Posted 10-Jan-2005 02:05 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Keil Reinhard See discussion on: http://www.keil.com/support/docs/2910.htm
Read-Only Author Keil Reinhard Posted 10-Jan-2005 02:06 Toolset ARM	RE: Writing Atmel IRQ handlers with GNU Keil Reinhard Just for clearification. We at Keil will still generate example projects for the GNU toolset. Currently we are working on examples for the ATMEL AT91SAM7S series. They will become available in about 2-3 weeks.

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