mirror of
https://github.com/sergeyyarkov/attiny2313a_thermostat.git
synced 2026-10-11 18:28:53 +03:00
usi
This commit is contained in:
parent
af37b72a24
commit
885a4db18e
59
firmware.asm
59
firmware.asm
@ -23,9 +23,9 @@
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;========================================;
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.EQU LED_POWER_PORT = PD6
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.EQU CLOCK_PIN = PB0 ; ST_CP on 74HC595
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.EQU DATA_PIN = PB1 ; DS on 74HC595
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.EQU LATCH_PIN = PB2 ; SH_CP on 74HC595
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.EQU USI_LATCH_PIN = PB0 ; ST_CP on 74HC595
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.EQU USI_DO_PIN = PB6 ; DS on 74HC595
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.EQU USI_CLK_PIN = PB7 ; SH_CP on 74HC595
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;========================================;
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; CODE SEGMENT ;
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@ -75,63 +75,40 @@ MCU_INIT:
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; ;
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;=======================================================
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rcall INIT_PORTS
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;========================================;
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; USI IS USED TO COMMUNICATE ;
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; WITH SHIFT REGISTER (74HC595N) ;
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;========================================;
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rcall INIT_USI
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ldi COUNTER, 0b00000001
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rjmp LOOP
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INIT_PORTS:
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ldi r16, (1<<LED_POWER_PORT)
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out DDRD, r16
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ldi r16, (1<<CLOCK_PIN) | (1<<LATCH_PIN) | (1<<DATA_PIN)
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ldi r16, (1<<USI_CLK_PIN) | (1<<USI_DO_PIN) | (1<<USI_LATCH_PIN)
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out DDRB, r16
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ret
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INIT_USI:
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ret
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;========================================;
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; SEND BYTE TO 74HC595 ;
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;========================================;
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TRANSMIT_595:
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USI_TRANSMIT_595:
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in r21, SREG
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mov r19, COUNTER
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ldi TEMP_REG_B, 8
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_TRANSMIT_595_LOOP:
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;
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; Shift a bit into the Carry flag and check if it is set to 1 or 0.
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lsl r19
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brcc _TRANSMIT_595_SEND_LOW
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brcs _TRANSMIT_595_SEND_HIGH
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out USIDR, r19
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ldi r19, (1<<USIOIF)
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out USISR, r19
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ldi TEMP_REG_A, (1<<USIWM0) | (1<<USICS1) | (1<<USICLK) | (1<<USITC)
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_TRANSMIT_595_SEND_HIGH:
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sbi PORTB, DATA_PIN
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rjmp _TRANSMIT_595_COMMIT
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_USI_TRANSMIT_595_LOOP:
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out USICR, TEMP_REG_A
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sbis USISR, USIOIF
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rjmp _USI_TRANSMIT_595_LOOP
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_TRANSMIT_595_SEND_LOW:
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cbi PORTB, DATA_PIN
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_TRANSMIT_595_COMMIT:
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cbi PORTB, CLOCK_PIN
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sbi PORTB, CLOCK_PIN
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dec TEMP_REG_B
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brne _TRANSMIT_595_LOOP
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;
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; Copy data from shift register to storage register
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sbi PORTB, LATCH_PIN
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cbi PORTB, LATCH_PIN
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out SREG, r21
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sbi PORTB, USI_LATCH_PIN
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cbi PORTB, USI_LATCH_PIN
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out SREG, r21
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ret
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SUBPROGRAM_LED_SHIFTING:
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rcall TRANSMIT_595
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rcall USI_TRANSMIT_595
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rol COUNTER
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ret
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15
firmware.hex
15
firmware.hex
@ -1,10 +1,9 @@
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:020000020000FC
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:1000000000C00FED0DBF03D007D041E01AC000E4DF
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:1000100001BB07E007BB089508955FB7342F18E0D0
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:10002000330F18F400F0C19A01C0C198C098C09A6B
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:100030001A95B1F7C29AC2985FBF0895EEDF441FC8
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:10004000089514D0FBDF02D001D0FBCF0F931F9394
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:10005000F8940FEF1FEF1A95000000000000D9F789
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:100060000A95C1F778941F910F91089500E412B397
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:06007000102712BB0895E9
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:1000000000C00FED0DBF02D041E015C000E401BB00
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:1000100001EC07BB08955FB7342F3FB930E43EB918
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:100020000BE10DB9769BFDCFC09AC0985FBF0895D4
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:10003000F2DF441F089514D0FBDF02D001D0FBCFC4
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:100040000F931F93F8940FEF1FEF1A950000000015
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:100050000000D9F70A95C1F778941F910F91089580
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:0A00600000E412B3102712BB08954C
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:00000001FF
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159
firmware.lss
159
firmware.lss
@ -1,5 +1,5 @@
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AVRASM ver. 2.2.7 firmware.asm Sun Jan 29 21:32:32 2023
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AVRASM ver. 2.2.7 firmware.asm Sun Jan 29 22:16:18 2023
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firmware.asm(14): Including file 'tn2313Adef.inc'
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firmware.asm(14): Including file 'tn2313Adef.inc'
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@ -727,9 +727,9 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
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;========================================;
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.EQU LED_POWER_PORT = PD6
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.EQU CLOCK_PIN = PB0 ; ST_CP on 74HC595
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.EQU DATA_PIN = PB1 ; DS on 74HC595
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.EQU LATCH_PIN = PB2 ; SH_CP on 74HC595
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.EQU USI_LATCH_PIN = PB0 ; ST_CP on 74HC595
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.EQU USI_DO_PIN = PB6 ; DS on 74HC595
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.EQU USI_CLK_PIN = PB7 ; SH_CP on 74HC595
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;========================================;
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; CODE SEGMENT ;
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@ -778,106 +778,83 @@ firmware.asm(14): Including file 'tn2313Adef.inc'
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; is working correctly ;
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; ;
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;=======================================================
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000003 d003 rcall INIT_PORTS
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;========================================;
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; USI IS USED TO COMMUNICATE ;
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; WITH SHIFT REGISTER (74HC595N) ;
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;========================================;
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000004 d007 rcall INIT_USI
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000005 e041 ldi COUNTER, 0b00000001
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000006 c01a rjmp LOOP
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000003 d002 rcall INIT_PORTS
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000004 e041 ldi COUNTER, 0b00000001
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000005 c015 rjmp LOOP
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INIT_PORTS:
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000007 e400 ldi r16, (1<<LED_POWER_PORT)
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000008 bb01 out DDRD, r16
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000009 e007 ldi r16, (1<<CLOCK_PIN) | (1<<LATCH_PIN) | (1<<DATA_PIN)
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00000a bb07 out DDRB, r16
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00000b 9508 ret
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INIT_USI:
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00000c 9508 ret
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000006 e400 ldi r16, (1<<LED_POWER_PORT)
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000007 bb01 out DDRD, r16
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000008 ec01 ldi r16, (1<<USI_CLK_PIN) | (1<<USI_DO_PIN) | (1<<USI_LATCH_PIN)
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000009 bb07 out DDRB, r16
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00000a 9508 ret
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;========================================;
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; SEND BYTE TO 74HC595 ;
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;========================================;
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TRANSMIT_595:
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00000d b75f in r21, SREG
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00000e 2f34 mov r19, COUNTER
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00000f e018 ldi TEMP_REG_B, 8
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_TRANSMIT_595_LOOP:
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;
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; Shift a bit into the Carry flag and check if it is set to 1 or 0.
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000010 0f33 lsl r19
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000011 f418 brcc _TRANSMIT_595_SEND_LOW
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000012 f000 brcs _TRANSMIT_595_SEND_HIGH
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_TRANSMIT_595_SEND_HIGH:
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000013 9ac1 sbi PORTB, DATA_PIN
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000014 c001 rjmp _TRANSMIT_595_COMMIT
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USI_TRANSMIT_595:
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00000b b75f in r21, SREG
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00000c 2f34 mov r19, COUNTER
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00000d b93f out USIDR, r19
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00000e e430 ldi r19, (1<<USIOIF)
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00000f b93e out USISR, r19
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000010 e10b ldi TEMP_REG_A, (1<<USIWM0) | (1<<USICS1) | (1<<USICLK) | (1<<USITC)
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_TRANSMIT_595_SEND_LOW:
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000015 98c1 cbi PORTB, DATA_PIN
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_USI_TRANSMIT_595_LOOP:
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000011 b90d out USICR, TEMP_REG_A
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000012 9b76 sbis USISR, USIOIF
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000013 cffd rjmp _USI_TRANSMIT_595_LOOP
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_TRANSMIT_595_COMMIT:
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000016 98c0 cbi PORTB, CLOCK_PIN
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000017 9ac0 sbi PORTB, CLOCK_PIN
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000018 951a dec TEMP_REG_B
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000019 f7b1 brne _TRANSMIT_595_LOOP
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;
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; Copy data from shift register to storage register
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00001a 9ac2 sbi PORTB, LATCH_PIN
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00001b 98c2 cbi PORTB, LATCH_PIN
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00001c bf5f out SREG, r21
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00001d 9508 ret
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000014 9ac0 sbi PORTB, USI_LATCH_PIN
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000015 98c0 cbi PORTB, USI_LATCH_PIN
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000016 bf5f out SREG, r21
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000017 9508 ret
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SUBPROGRAM_LED_SHIFTING:
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00001e dfee rcall TRANSMIT_595
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00001f 1f44 rol COUNTER
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000020 9508 ret
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000018 dff2 rcall USI_TRANSMIT_595
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000019 1f44 rol COUNTER
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00001a 9508 ret
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;========================================;
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; MAIN PROGRAM LOOP ;
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;========================================;
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LOOP:
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000021 d014 rcall TOGGLE_POWER_LED
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000022 dffb rcall SUBPROGRAM_LED_SHIFTING
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000023 d002 rcall DELAY
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000024 d001 rcall DELAY
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000025 cffb rjmp LOOP
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00001b d014 rcall TOGGLE_POWER_LED
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00001c dffb rcall SUBPROGRAM_LED_SHIFTING
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00001d d002 rcall DELAY
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00001e d001 rcall DELAY
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00001f cffb rjmp LOOP
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DELAY:
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000026 930f push r16
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000027 931f push r17
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000028 94f8 cli
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000029 ef0f ldi r16, 255
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000020 930f push r16
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000021 931f push r17
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000022 94f8 cli
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000023 ef0f ldi r16, 255
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_DELAY_1:
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00002a ef1f ldi r17, 255
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000024 ef1f ldi r17, 255
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_DELAY_2:
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00002b 951a dec r17
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00002c 0000 nop
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00002d 0000 nop
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00002e 0000 nop
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00002f f7d9 brne _DELAY_2
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000025 951a dec r17
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000026 0000 nop
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000027 0000 nop
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000028 0000 nop
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000029 f7d9 brne _DELAY_2
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000030 950a dec r16
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000031 f7c1 brne _DELAY_1
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000032 9478 sei
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00002a 950a dec r16
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00002b f7c1 brne _DELAY_1
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00002c 9478 sei
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000033 911f pop r17
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000034 910f pop r16
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000035 9508 ret
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00002d 911f pop r17
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00002e 910f pop r16
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00002f 9508 ret
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TOGGLE_POWER_LED:
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000036 e400 ldi r16, (1<<LED_POWER_PORT)
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000037 b312 in r17, PORTD
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000038 2710 eor r17, r16
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000039 bb12 out PORTD, r17
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00003a 9508 ret
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000030 e400 ldi r16, (1<<LED_POWER_PORT)
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000031 b312 in r17, PORTD
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000032 2710 eor r17, r16
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000033 bb12 out PORTD, r17
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000034 9508 ret
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;========================================;
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@ -954,7 +931,7 @@ counted separately from r26..r31 here.
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"ATtiny2313A" register use summary:
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x : 0 y : 0 z : 0 r0 : 0 r1 : 0 r2 : 0 r3 : 0 r4 : 0
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r5 : 0 r6 : 0 r7 : 0 r8 : 0 r9 : 0 r10: 0 r11: 0 r12: 0
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r13: 0 r14: 0 r15: 0 r16: 12 r17: 9 r18: 0 r19: 2 r20: 3
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r13: 0 r14: 0 r15: 0 r16: 14 r17: 7 r18: 0 r19: 4 r20: 3
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r21: 2 r22: 0 r23: 0 r24: 0 r25: 0 r26: 0 r27: 0 r28: 0
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r29: 0 r30: 0 r31: 0
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Registers used: 5 out of 35 (14.3%)
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@ -962,28 +939,28 @@ Registers used: 5 out of 35 (14.3%)
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"ATtiny2313A" instruction use summary:
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.lds : 0 .sts : 0 adc : 0 add : 0 adiw : 0 and : 0
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andi : 0 asr : 0 bclr : 0 bld : 0 brbc : 0 brbs : 0
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brcc : 1 brcs : 1 break : 0 breq : 0 brge : 0 brhc : 0
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brcc : 0 brcs : 0 break : 0 breq : 0 brge : 0 brhc : 0
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brhs : 0 brid : 0 brie : 0 brlo : 0 brlt : 0 brmi : 0
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brne : 3 brpl : 0 brsh : 0 brtc : 0 brts : 0 brvc : 0
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brvs : 0 bset : 0 bst : 0 cbi : 3 cbr : 0 clc : 0
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brne : 2 brpl : 0 brsh : 0 brtc : 0 brts : 0 brvc : 0
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brvs : 0 bset : 0 bst : 0 cbi : 1 cbr : 0 clc : 0
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clh : 0 cli : 1 cln : 0 clr : 0 cls : 0 clt : 0
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clv : 0 clz : 0 com : 0 cp : 0 cpc : 0 cpi : 0
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cpse : 0 dec : 3 eor : 1 icall : 0 ijmp : 0 in : 2
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inc : 0 ld : 0 ldd : 0 ldi : 8 lds : 0 lpm : 0
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lsl : 1 lsr : 0 mov : 1 movw : 0 neg : 0 nop : 3
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or : 0 ori : 0 out : 5 pop : 2 push : 2 rcall : 7
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ret : 6 reti : 0 rjmp : 4 rol : 1 ror : 0 sbc : 0
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sbci : 0 sbi : 3 sbic : 0 sbis : 0 sbiw : 0 sbr : 0
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cpse : 0 dec : 2 eor : 1 icall : 0 ijmp : 0 in : 2
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inc : 0 ld : 0 ldd : 0 ldi : 9 lds : 0 lpm : 0
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lsl : 0 lsr : 0 mov : 1 movw : 0 neg : 0 nop : 3
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or : 0 ori : 0 out : 8 pop : 2 push : 2 rcall : 6
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ret : 5 reti : 0 rjmp : 4 rol : 1 ror : 0 sbc : 0
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sbci : 0 sbi : 1 sbic : 0 sbis : 1 sbiw : 0 sbr : 0
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sbrc : 0 sbrs : 0 sec : 0 seh : 0 sei : 1 sen : 0
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ser : 0 ses : 0 set : 0 sev : 0 sez : 0 sleep : 0
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spm : 0 st : 0 std : 0 sts : 0 sub : 0 subi : 0
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swap : 0 tst : 0 wdr : 0
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Instructions used: 21 out of 105 (20.0%)
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Instructions used: 19 out of 105 (18.1%)
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"ATtiny2313A" memory use summary [bytes]:
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Segment Begin End Code Data Used Size Use%
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---------------------------------------------------------------
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[.cseg] 0x000000 0x000076 118 0 118 2048 5.8%
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[.cseg] 0x000000 0x00006a 106 0 106 2048 5.2%
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[.dseg] 0x000060 0x000060 0 0 0 128 0.0%
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[.eseg] 0x000000 0x000033 0 51 51 128 39.8%
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