AVRGCC ICCAVR

Jul 25, 2008 22 Replies

Hello, All!


????????? ???? ?? 20080430...



unsigned char getSer_0(void) { 292: 20 91 31 01 lds r18, 0x0131 296: 30 91 32 01 lds r19, 0x0132 29a: 80 91 4f 01 lds r24, 0x014F 29e: 90 91 50 01 lds r25, 0x0150 2a2: 28 17 cp r18, r24 2a4: 39 07 cpc r19, r25 2a6: 91 f0 breq .+36 ; 0x2cc <getSer_0+0x3a>



// ??? ?? ???? ?


unsigned char received = 0x00;



while(SCRxRdIdx_0 == SCRxWrIdx_0); // wait for character



received = SCRxBuf_0[SCRxRdIdx_0++]; 2a8: f9 01 movw r30, r18 2aa: e9 5e subi r30, 0xE9 ; 233 2ac: fe 4f sbci r31, 0xFE ; 254 2ae: e0 81 ld r30, Z 2b0: c9 01 movw r24, r18 2b2: 01 96 adiw r24, 0x01 ; 1 2b4: 90 93 32 01 sts 0x0132, r25 2b8: 80 93 31 01 sts 0x0131, r24



if(SCRxRdIdx_0 >= SC0RXBUFSIZ) 2bc: 48 97 sbiw r24, 0x18 ; 24 2be: 20 f0 brcs .+8 ; 0x2c8 <getSer_0+0x36>



SCRxRdIdx_0 = 0; 2c0: 10 92 32 01 sts 0x0132, r1 2c4: 10 92 31 01 sts 0x0131, r1



return received; } 2c8: 8e 2f mov r24, r30 2ca: 08 95 ret 2cc: ff cf rjmp .-2 ; 0x2cc <getSer_0+0x3a>



// ?????? ??????


ICCAVR 6



(0092) unsigned char getSer_0(void) (0093) { (0094) unsigned char received = 0x00; _getSer_0: received --> R16 017D 2700 CLR R16 (0095) (0096) while(SCRxRdIdx_0 == SCRxWrIdx_0); // wait for character 017E 9020016C LDS R2,_SCRxWrIdx_0 0180 9030016D LDS R3,_SCRxWrIdx_0+1 0182 9040016E LDS R4,_SCRxRdIdx_0 0184 9050016F LDS R5,_SCRxRdIdx_0+1 0186 1442 CP R4,R2 0187 0453 CPC R5,R3 0188 F3A9 BEQ 0x017E (0097) (0098) received = SCRxBuf_0[SCRxRdIdx_0++]; (0099) (0100) if(SCRxRdIdx_0 >= SC0RXBUFSIZ) 0189 01C2 MOVW R24,R4 018A 9601 ADIW R24,1 018B 9390016F STS _SCRxRdIdx_0+1,R25 018D 9380016E STS _SCRxRdIdx_0,R24 018F E780 LDI R24,0x70 0190 E091 LDI R25,1 0191 01F2 MOVW R30,R4 0192 0FE8 ADD R30,R24 0193 1FF9 ADC R31,R25 0194 8100 LDD R16,Z+0 0195 9180016E LDS R24,_SCRxRdIdx_0 0197 9190016F LDS R25,_SCRxRdIdx_0+1 0199 3188 CPI R24,0x18 019A E0E0 LDI R30,0 019B 079E CPC R25,R30 019C F030 BCS 0x01A3 (0101) SCRxRdIdx_0 = 0; 019D 2422 CLR R2 019E 2433 CLR R3 019F 9230016F STS _SCRxRdIdx_0+1,R3 01A1 9220016E STS _SCRxRdIdx_0,R2 (0102) (0103) return received; 01A3 9508 RET (0104) }



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With best regards, Andrej Arnold. E-mail: snipped-for-privacy@aol.com



ðÒÉ×ÅÔ, Andrej Arnold!

25.07.2008 20:01 ÷Ù ÐÉÓÁÌÉ:

[...]
õ ÔÅÂÑ ËÏÄÉÒÏ×ËÁ ÓÌÅÔÅÌÁ.

Alex,

You wrote to All:

AM> ðÒÉ×ÅÔ, Andrej Arnold! AM>

AM> 25.07.2008 20:01 ÷Ù ÐÉÓÁÌÉ: AM>

AM> [...] AM>

AM> õ ÔÅÂÑ ËÏÄÉÒÏ×ËÁ ÓÌÅÔÅÌÁ.

ðÏ ÌÀÂÏÍÕ ÔÁÍ É ÂÅÚ ËÏÍÎÅÔÁÒÉÅ× ×ӣ ÐÏÎÑÔÎÏ ...

Andrey

п■п╣п╨п╩п╟я─п╟я├п╦п╦ п╡п╬я┌ я█я┌п╦я┘ SCR... (п╫п╣ я─п╟п╥пЁп╩я▐п╢п╣я┌я▄) п╡ я│я┌я┐п╢п╦я▌! п░ п╥п╟п╬п╢п╫п╬ п╦ п╩п╦я│я┌п╦п╫пЁ я│ avr-gcc -O1 п░ я┌п╬ п╪п╫п╣ п©п╬я┤п╣п╪я┐-я┌п╬ п╢я┐п╪п╟п╣я┌я│я▐, gcc я┌п╣п╠п╣ я┘п╬я┤п╣я┌ я│п╨п╟п╥п╟я┌я▄ я┤я┌п╬-я┌п╬ п╡я─п╬п╢п╣ "я│п╟п╪-п╢я┐я─п╟п╨", п╫п╬ п╡п╡п╦п╢я┐ я│п╦п╩я▄п╫п╬п╧ п╬п©я┌п╦п╪п╦п╥п╟я├п╦п╦ (я┘п╬я┌я▐ п╢п╩я▐ AVR, п╫п╟п╢п╬ я┤п╣я│я┌п╫п╬ п©я─п╦п╥п╫п╟я┌я▄, GCC я│п╟я│я▒я┌) п╫п╦п╨п╟п╨ п╫п╣ п╪п╬п╤п╣я┌.

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