Side Warehouse of Laboratory

繧ｳ繝ｬ縺ｯ菴包ｼ�/What is this?

dsPIC繧剃ｽｿ縺｣縺ｦ�ｼ後Μ繧｢繝ｫ繧ｿ繧､繝�蛻ｶ蠕｡繧偵＠縺ｾ縺吶�� 譛ｬ繧ｵ繧､繝医〒縺ｯ繧｢繧ｻ繝ｳ繝悶Λ縺ｧ陦後″縺ｾ縺吶��
dsPIC縺ｮC險�隱槭�ｮ諠�蝣ｱ縺ｯ螟ｧ驥上↓縺ゅｋ縺ｮ縺ｧ縺吶′�ｼ後い繧ｻ繝ｳ繝悶Λ縺ｮ諠�蝣ｱ縺ｯ縺九↑繧雁ｰ代↑縺�縺ｮ縺ｧ�ｼ悟峅縺｣縺ｦ縺�繧倶ｺｺ縺ｮ蜉ｩ縺代↓縺ｪ繧後�ｰ蟷ｸ縺�縺ｧ縺吶��
C繧ｳ繝ｳ繝代う繝ｩ縺ｯ辟｡蜆溘〒菴ｿ縺医※繧よｩ溯�ｽ蛻ｶ髯舌′縺ゅｋ繧医≧縺ｧ縺吶′�ｼ後い繧ｻ繝ｳ繝悶Λ縺ｪ繧峨◎繧薙↑縺薙→繧呈ｰ励↓縺吶ｋ蠢�隕√�ｯ縺ゅｊ縺ｾ縺帙ｓ縲�
縺企�代′縺ｪ縺代ｌ縺ｰ遏･諱ｵ縺ｧ蜍晁ｲ�縺ｧ縺吶��
縺薙％縺ｧ邏ｹ莉九☆繧九�ｮ縺ｯ�ｼ後ち繧､繝槫牡繧願ｾｼ縺ｿ縺ｨ蠕�讖溘Ν繝ｼ繝√Φ縺ｧ繝ｪ繧｢繝ｫ繧ｿ繧､繝�諤ｧ繧堤｢ｺ菫昴☆繧狗ｰ｡蜊倥↑繧ｳ繝ｼ繝峨〒縺吶��

繝�繧ｦ繝ｳ繝ｭ繝ｼ繝�/Download

dsPIC縺ｮ繧ｽ繝ｼ繧ｹ繧ｳ繝ｼ繝峨�ｯ莉･荳九°繧峨ム繧ｦ繝ｳ繝ｭ繝ｼ繝峨〒縺阪∪縺吶��
You can download the source code of dsPIC.

realtime.s

MPLAB IDE 縺翫ｈ縺ｳ dsPIC30F4012 螳滓ｩ滉ｸ翫〒蜍穂ｽ懃｢ｺ隱肴ｸ医∩縺ｧ縺吶��
We confirmed that this source code was normally operated in MPLAB IDE and dsPIC30F4012.

繧ｽ繝ｼ繧ｹ繧ｳ繝ｼ繝�/Source code (2012/01/20 繧医ｊ豢礼ｷｴ縺輔ｌ縺溘さ繝ｼ繝峨↓菫ｮ豁｣)

;
;  dsPIC30F4012 REAL TIME CONTROL(TIMER INTERRUPT) TEST CODE
;

.include "p30f4012.inc"

; 險ｭ螳�
config __FOSC, CSW_FSCM_OFF & EC_PLL16  ; ClockSW OFF, 螟夜ΚClock PLL16蛟阪Δ繝ｼ繝�
config __FWDT, WDT_OFF                  ; WatchdogTimer OFF
config __FBORPOR, PBOR_ON & BORV20 & PWRT_16 & MCLR_EN
; 髮ｻ貅先兜蜈･譎り�ｪ蜍輔Μ繧ｻ繝�繝域怏蜉ｹ, 閾ｪ蜍募●豁｢髮ｻ蝨ｧ2.0V, 髮ｻ貅先兜蜈･繧ｿ繧､繝�16msec, MCLR繝斐Φ譛牙柑
config __FGS, CODE_PROT_OFF             ; CodeProtection OFF

; 繝ｫ繝ｼ繝√Φ
.global __T1Interrupt       ; 蜑ｲ繧願ｾｼ縺ｿ繝ｫ繝ｼ繝√Φ
.global __reset             ; 蛻晄悄險ｭ螳壹Ν繝ｼ繝√Φ

; dsPIC襍ｷ蜍暮幕蟋�
.text
.org    0x000000
    goto    __reset         ; 襍ｷ蜍暮幕蟋九→蜈ｱ縺ｫ蛻晄悄險ｭ螳壹ｒ陦後≧

; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繝吶け繧ｿ
__T1Interrupt:
    goto    T1Interrupt

; 蛻晄悄險ｭ螳壹Ν繝ｼ繝√Φ
__reset:
    ; I/O繝昴�ｼ繝亥�･蜃ｺ蜉幄ｨｭ螳�
    mov     #0b0000000000000000,w0
    mov     w0,TRISB
    mov     #0b0000000000000000,w0
    mov     w0,TRISC
    mov     #0b0000000000000000,w0
    mov     w0,TRISD
    mov     #0b0000000000000000,w0
    mov     w0,TRISE
    mov     #0b0000000000000000,w0
    mov     w0,TRISF
    
    ; 繧ｿ繧､繝�1蜑ｲ繧願ｾｼ縺ｿ險ｭ螳�
    clr     T1CON           ; 蛻ｶ蠕｡繝ｬ繧ｸ繧ｹ繧ｿ險ｭ螳�
    clr     TMR1            ; 繧ｿ繧､繝槭Ξ繧ｸ繧ｹ繧ｿ繧ｯ繝ｪ繧｢
    mov     #0x0BB7, w0     ; 蜻ｨ譛溘Ξ繧ｸ繧ｹ繧ｿ縺ｮ險ｭ螳� 0x0BB7=100ﾎｼs (120MHz)
    mov     w0,     PR1     ; 
    bset    IPC0,   #T1IP0  ; 繧ｿ繧､繝�1蜑ｲ繧願ｾｼ縺ｿ險ｭ螳�
    bclr    IPC0,   #T1IP1  ; 蜆ｪ蜈亥ｺｦ繧�
    bclr    IPC0,   #T1IP2  ; 譛�鬮倥↓險ｭ螳�
    bclr    IFS0,   #T1IF   ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繝輔Λ繧ｰ繧偵け繝ｪ繧｢
    bset    IEC0,   #T1IE   ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繧定ｨｱ蜿ｯ
    bset    T1CON,  #TON    ; 繧ｿ繧､繝�1蟋句虚
    
    
; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ蠕�讖溘Ν繝ｼ繝√Φ
; 縺薙�ｮ繝ｫ繝ｼ繝√Φ縺ｯ繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ縺檎匱逕溘☆繧九∪縺ｧ蠕�讖溘☆繧九Ν繝ｼ繝√Φ
INT_WAIT:
    nop
    goto    INT_WAIT        ; 荳ｻ繝ｫ繝ｼ繝√Φ蜈磯�ｭ縺ｫ謌ｻ繧�

; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繝ｫ繝ｼ繝√Φ
T1Interrupt:
    bclr    IEC0,   #T1IE   ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繧堤ｦ∵ｭ｢
    call    PERIOD          ; 蜻ｨ譛溘Ν繝ｼ繝√Φ蜻ｼ縺ｳ蜃ｺ縺�
    bclr    IFS0,   #T1IF   ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繝輔Λ繧ｰ繧偵Μ繧ｻ繝�繝�
    bset    IEC0,   #T1IE   ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ繧定ｨｱ蜿ｯ
    retfie                  ; 繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ邨ゆｺ�


; 蜻ｨ譛溘Ν繝ｼ繝√Φ
; 縺薙�ｮ繝ｫ繝ｼ繝√Φ縺ｯ100ﾎｼs縺斐→縺ｫ螳溯｡後＆繧後ｋ縲ょ�ｦ逅�縺ｯ3000step莉･蜀�縺ｫ邏阪ａ繧九％縺ｨ縲�(120MHz)
PERIOD:
    ; 縺薙％縺ｫ謇�譛帙�ｮ蛻ｶ蠕｡繧ｳ繝ｼ繝峨ｒ譖ｸ縺�
    com.b   PORTE           ; 100ﾎｼs豈弱↓PORTE繧貞渚霆｢
    return

.end

隗｣隱ｬ/Manual

蜍穂ｽ懊�ｯ讎ゅ�ｭ莉･荳九�ｮ騾壹ｊ縲�

�ｼ托ｼ仕sPIC襍ｷ蜍慕峩蠕後↓繝昴�ｼ繝亥�･蜃ｺ蜉幄ｨｭ螳壹→繧ｿ繧､繝槫牡繧願ｾｼ縺ｿ縺ｮ險ｭ螳壹ｒ螳溯｡後☆繧�
�ｼ抵ｼ主ｾ�讖溘Ν繝ｼ繝√Φ縺ｧ辟｡髯舌Ν繝ｼ繝励↓蜈･繧�
�ｼ難ｼ弱ち繧､繝槫牡繧願ｾｼ縺ｿ縺梧寺縺九▲縺溘ｉ�ｼ鯉ｼ斐∈
�ｼ費ｼ主捉譛溘Ν繝ｼ繝√Φ(謇�譛帙�ｮ繧ｳ繝ｼ繝峨′譖ｸ縺�縺ｦ縺ゅｋ)繧貞ｮ溯｡後＠�ｼ鯉ｼ偵∈謌ｻ繧�

縺薙ｌ縺ｧ蜻ｨ譛溘Ν繝ｼ繝√Φ縺ｮ蜃ｦ逅�蜀�螳ｹ繝ｻ貍皮ｮ苓ｲ�闕ｷ縺ｫ髢｢繧上ｉ縺夲ｼ梧欠螳壹＠縺溷宛蠕｡蜻ｨ譛溘ｒ螳医ｋ縺薙→縺後〒縺阪∪縺吶��
縺溘□縺暦ｼ悟宛蠕｡蜻ｨ譛滉ｻ･蜀�縺ｧ邨ゅｏ繧九ｈ縺�縺ｪ繧ｹ繝�繝�繝玲焚縺ｫ縺吶ｋ蠢�隕√′縺ゅｊ縺ｾ縺吶��

蛻ｶ蠕｡蜻ｨ譛溘�ｮ隱ｿ謨ｴ/Adjustment of Control Period

豁｣遒ｺ縺ｪ蛻ｶ蠕｡蜻ｨ譛溘ｒ蠕励ｋ縺溘ａ縺ｫ�ｼ悟ｮ滓ｩ溘ｒ菴ｿ縺｣縺ｦ繝代Λ繝｡繝ｼ繧ｿ縺ｮ隱ｿ謨ｴ繧定｡後＞縺ｾ縺吶��
荳願ｿｰ縺励◆繧ｽ繝ｼ繧ｹ繧ｳ繝ｼ繝峨〒縺ｯ�ｼ訓ORTE繧貞宛蠕｡蜻ｨ譛溘＃縺ｨ縺ｫ蜿崎ｻ｢縺輔○繧九ｈ縺�縺ｫ縺ｪ縺｣縺ｦ縺�縺ｾ縺吶��
繧ｪ繧ｷ繝ｭ繧ｹ繧ｳ繝ｼ繝励〒PORTE縺九ｉ蜃ｺ蜉帙＆繧後ｋ譁ｹ蠖｢豕｢繧定ｦｳ貂ｬ縺暦ｼ�
繧ｽ繝ｼ繧ｹ繧ｳ繝ｼ繝峨�ｮ襍､邱壹�ｮ驛ｨ蛻� 縺ｮ蜻ｨ譛溘Ξ繧ｸ繧ｹ繧ｿ縺ｮ險ｭ螳壹�ｮ縺ｨ縺薙ｍ繧定ｪｿ謨ｴ縺励∪縺吶��