**** BEGIN LOGGING AT Wed Feb 21 02:59:57 2007
Feb 21 11:40:01 <aproemel> hi together
Feb 21 11:40:19 <aproemel> vmaster: i debugged the registers
Feb 21 11:41:04 <aproemel> and found following: SYS Interrupt is pending, Interrupt Mask enables the SYS Interrupt, in the Interrupt Vector is the adress of the ASM Handler function
Feb 21 11:41:25 <aproemel> but it won't serviced
Feb 21 11:41:46 <aproemel> is there a global interrupt enable flag? i haven't found someting about that in the manual
Feb 21 11:54:05 <vmaster> did you enable interrupts in the CPSR?
Feb 21 11:54:33 <vmaster> the I and F bits are used to mask out interrupts and fiqs
Feb 21 11:55:01 <aproemel> I'll check it, but should AICEnableI
Feb 21 11:55:08 <aproemel> sorry, incomplete line ^^
Feb 21 11:55:32 <aproemel> AT91F_AIC_EnableIt() done this for me ?
Feb 21 11:55:38 <aproemel> but i check the flags right now
Feb 21 11:56:22 <vmaster> gotta get lunch, i'll be back in 15 minutes
Feb 21 11:56:37 <aproemel> ok, "Guten Appetit"
Feb 21 12:10:08 <aproemel> vmaster: CPSR: 0x000000df
Feb 21 12:10:19 <aproemel> so: I_Bit is not set (Ibit= 0x20)
Feb 21 12:12:31 <vmaster> mhh, isn't I 0x80 and F 0x40? 0x20 is the T-Bit indicating Thumb
Feb 21 12:14:34 <aproemel> your right
Feb 21 12:14:47 <aproemel> my fault
Feb 21 12:14:53 <aproemel> then thats the problem
Feb 21 12:15:09 <aproemel> I 0x80, F 0x40, T 0x20
Feb 21 12:19:19 <aproemel> vmaster: i'm a little bit confused today :-(
Feb 21 12:44:12 <aproemel> vmaster: Do I have to clear the I_BIT manually? at my Startup?
Feb 21 12:44:21 <aproemel> then my interrupts will work?
Feb 21 12:44:28 <aproemel> Or am I wrong?
Feb 21 12:45:11 <vmaster> you should clear it once the interrupt source and the interrupt controller are set up
Feb 21 12:45:23 <vmaster> isn't there example code from Atmel showing how to use their ROM services?
Feb 21 12:45:42 <aproemel> yes, but i looked, and haven't found where they clear the bit
Feb 21 12:52:37 <vmaster> ok, in: AT91RM9200-BasicROM_Services-ARM1_2-2_0.zip/AT91RM9200-BasicROM_Services/compil/cstartup_ads.s at the end of the stack setup the code switches to SYSTEM mode with only the F bit set
Feb 21 12:53:55 <aproemel> I looked for clearing the bit
Feb 21 12:54:03 <aproemel> you're right
Feb 21 12:56:57 <aproemel> i did so too, but CPSR 0x200000db
Feb 21 12:57:26 <aproemel> so bit 0x80 is set
Feb 21 12:57:51 <aproemel> i'll paste my startup.s
Feb 21 12:59:02 <aproemel> http://pastebin.ca/366033
**** ENDING LOGGING AT Thu Feb 22 02:59:58 2007