From 04fe78ee0a7fe9baed39f021799a3dbb24ebeb36 Mon Sep 17 00:00:00 2001 From: tmk Date: Mon, 16 Jun 2014 15:38:39 +0900 Subject: Fix print and timer --- common/avr/timer_avr.h | 42 +++++ common/avr/xprintf.S | 500 +++++++++++++++++++++++++++++++++++++++++++++++++ common/avr/xprintf.h | 103 ++++++++++ 3 files changed, 645 insertions(+) create mode 100644 common/avr/timer_avr.h create mode 100644 common/avr/xprintf.S create mode 100644 common/avr/xprintf.h (limited to 'common/avr') diff --git a/common/avr/timer_avr.h b/common/avr/timer_avr.h new file mode 100644 index 0000000000..0e85eb1017 --- /dev/null +++ b/common/avr/timer_avr.h @@ -0,0 +1,42 @@ +/* +Copyright 2011 Jun Wako + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation, either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see . +*/ + +#ifndef TIMER_AVR_H +#define TIMER_AVR_H 1 + +#include + +#ifndef TIMER_PRESCALER +# if F_CPU > 16000000 +# define TIMER_PRESCALER 256 +# elif F_CPU > 2000000 +# define TIMER_PRESCALER 64 +# elif F_CPU > 250000 +# define TIMER_PRESCALER 8 +# else +# define TIMER_PRESCALER 1 +# endif +#endif +#define TIMER_RAW_FREQ (F_CPU/TIMER_PRESCALER) +#define TIMER_RAW TCNT0 +#define TIMER_RAW_TOP (TIMER_RAW_FREQ/1000) + +#if (TIMER_RAW_TOP > 255) +# error "Timer0 can't count 1ms at this clock freq. Use larger prescaler." +#endif + +#endif diff --git a/common/avr/xprintf.S b/common/avr/xprintf.S new file mode 100644 index 0000000000..0cec70ce22 --- /dev/null +++ b/common/avr/xprintf.S @@ -0,0 +1,500 @@ +;---------------------------------------------------------------------------; +; Extended itoa, puts, printf and atoi (C)ChaN, 2011 +;---------------------------------------------------------------------------; + + // Base size is 152 bytes +#define CR_CRLF 0 // Convert \n to \r\n (+10 bytes) +#define USE_XPRINTF 1 // Enable xprintf function (+194 bytes) +#define USE_XSPRINTF 0 // Add xsprintf function (+78 bytes) +#define USE_XFPRINTF 0 // Add xfprintf function (+54 bytes) +#define USE_XATOI 0 // Enable xatoi function (+182 bytes) + + +#if FLASHEND > 0x1FFFF +#error xitoa module does not support 256K devices +#endif + +.nolist +#include // Include device specific definitions. +.list + +#ifdef SPM_PAGESIZE // Recent devices have "lpm Rd,Z+" and "movw". +.macro _LPMI reg + lpm \reg, Z+ +.endm +.macro _MOVW dh,dl, sh,sl + movw \dl, \sl +.endm +#else // Earlier devices do not have "lpm Rd,Z+" nor "movw". +.macro _LPMI reg + lpm + mov \reg, r0 + adiw ZL, 1 +.endm +.macro _MOVW dh,dl, sh,sl + mov \dl, \sl + mov \dh, \sh +.endm +#endif + + + +;--------------------------------------------------------------------------- +; Stub function to forward to user output function +; +;Prototype: void xputc (char chr // a character to be output +; ); +;Size: 12/12 words + +.section .bss +.global xfunc_out ; xfunc_out must be initialized before using this module. +xfunc_out: .ds.w 1 +.section .text + + +.func xputc +.global xputc +xputc: +#if CR_CRLF + cpi r24, 10 ;LF --> CRLF + brne 1f ; + ldi r24, 13 ; + rcall 1f ; + ldi r24, 10 ;/ +1: +#endif + push ZH + push ZL + lds ZL, xfunc_out+0 ;Pointer to the registered output function. + lds ZH, xfunc_out+1 ;/ + sbiw ZL, 0 ;Skip if null + breq 2f ;/ + icall +2: pop ZL + pop ZH + ret +.endfunc + + + +;--------------------------------------------------------------------------- +; Direct ROM string output +; +;Prototype: void xputs (const char *str_p // rom string to be output +; ); + +.func xputs +.global xputs +xputs: + _MOVW ZH,ZL, r25,r24 ; Z = pointer to rom string +1: _LPMI r24 + cpi r24, 0 + breq 2f + rcall xputc + rjmp 1b +2: ret +.endfunc + + +;--------------------------------------------------------------------------- +; Extended direct numeral string output (32bit version) +; +;Prototype: void xitoa (long value, // value to be output +; char radix, // radix +; char width); // minimum width +; + +.func xitoa +.global xitoa +xitoa: + ;r25:r22 = value, r20 = base, r18 = digits + clr r31 ;r31 = stack level + ldi r30, ' ' ;r30 = sign + ldi r19, ' ' ;r19 = filler + sbrs r20, 7 ;When base indicates signd format and the value + rjmp 0f ;is minus, add a '-'. + neg r20 ; + sbrs r25, 7 ; + rjmp 0f ; + ldi r30, '-' ; + com r22 ; + com r23 ; + com r24 ; + com r25 ; + adc r22, r1 ; + adc r23, r1 ; + adc r24, r1 ; + adc r25, r1 ;/ +0: sbrs r18, 7 ;When digits indicates zero filled, + rjmp 1f ;filler is '0'. + neg r18 ; + ldi r19, '0' ;/ + ;----- string conversion loop +1: ldi r21, 32 ;r26 = r25:r22 % r20 + clr r26 ;r25:r22 /= r20 +2: lsl r22 ; + rol r23 ; + rol r24 ; + rol r25 ; + rol r26 ; + cp r26, r20 ; + brcs 3f ; + sub r26, r20 ; + inc r22 ; +3: dec r21 ; + brne 2b ;/ + cpi r26, 10 ;r26 is a numeral digit '0'-'F' + brcs 4f ; + subi r26, -7 ; +4: subi r26, -'0' ;/ + push r26 ;Stack it + inc r31 ;/ + cp r22, r1 ;Repeat until r25:r22 gets zero + cpc r23, r1 ; + cpc r24, r1 ; + cpc r25, r1 ; + brne 1b ;/ + + cpi r30, '-' ;Minus sign if needed + brne 5f ; + push r30 ; + inc r31 ;/ +5: cp r31, r18 ;Filler + brcc 6f ; + push r19 ; + inc r31 ; + rjmp 5b ;/ + +6: pop r24 ;Flush stacked digits and exit + rcall xputc ; + dec r31 ; + brne 6b ;/ + + ret +.endfunc + + + +;---------------------------------------------------------------------------; +; Formatted string output (16/32bit version) +; +;Prototype: +; void __xprintf (const char *format_p, ...); +; void __xsprintf(char*, const char *format_p, ...); +; void __xfprintf(void(*func)(char), const char *format_p, ...); +; + +#if USE_XPRINTF + +.func xvprintf +xvprintf: + ld ZL, Y+ ;Z = pointer to format string + ld ZH, Y+ ;/ + +0: _LPMI r24 ;Get a format char + cpi r24, 0 ;End of format string? + breq 90f ;/ + cpi r24, '%' ;Is format? + breq 20f ;/ +1: rcall xputc ;Put a normal character + rjmp 0b ;/ +90: ret + +20: ldi r18, 0 ;r18: digits + clt ;T: filler + _LPMI r21 ;Get flags + cpi r21, '%' ;Is a %? + breq 1b ;/ + cpi r21, '0' ;Zero filled? + brne 23f ; + set ;/ +22: _LPMI r21 ;Get width +23: cpi r21, '9'+1 ; + brcc 24f ; + subi r21, '0' ; + brcs 90b ; + lsl r18 ; + mov r0, r18 ; + lsl r18 ; + lsl r18 ; + add r18, r0 ; + add r18, r21 ; + rjmp 22b ;/ + +24: brtc 25f ;get value (low word) + neg r18 ; +25: ld r24, Y+ ; + ld r25, Y+ ;/ + cpi r21, 'c' ;Is type character? + breq 1b ;/ + cpi r21, 's' ;Is type RAM string? + breq 50f ;/ + cpi r21, 'S' ;Is type ROM string? + breq 60f ;/ + _MOVW r23,r22,r25,r24 ;r25:r22 = value + clr r24 ; + clr r25 ; + clt ;/ + cpi r21, 'l' ;Is long int? + brne 26f ; + ld r24, Y+ ;get value (high word) + ld r25, Y+ ; + set ; + _LPMI r21 ;/ +26: cpi r21, 'd' ;Is type signed decimal? + brne 27f ;/ + ldi r20, -10 ; + brts 40f ; + sbrs r23, 7 ; + rjmp 40f ; + ldi r24, -1 ; + ldi r25, -1 ; + rjmp 40f ;/ +27: cpi r21, 'u' ;Is type unsigned decimal? + ldi r20, 10 ; + breq 40f ;/ + cpi r21, 'X' ;Is type hexdecimal? + ldi r20, 16 ; + breq 40f ;/ + cpi r21, 'b' ;Is type binary? + ldi r20, 2 ; + breq 40f ;/ + ret ;abort +40: push ZH ;Output the value + push ZL ; + rcall xitoa ; +42: pop ZL ; + pop ZH ; + rjmp 0b ;/ + +50: push ZH ;Put a string on the RAM + push ZL + _MOVW ZH,ZL, r25,r24 +51: ld r24, Z+ + cpi r24, 0 + breq 42b + rcall xputc + rjmp 51b + +60: push ZH ;Put a string on the ROM + push ZL + rcall xputs + rjmp 42b +.endfunc + + +.func __xprintf +.global __xprintf +__xprintf: + push YH + push YL + in YL, _SFR_IO_ADDR(SPL) +#ifdef SPH + in YH, _SFR_IO_ADDR(SPH) +#else + clr YH +#endif + adiw YL, 5 ;Y = pointer to arguments + rcall xvprintf + pop YL + pop YH + ret +.endfunc + + +#if USE_XSPRINTF + +.func __xsprintf +putram: + _MOVW ZH,ZL, r15,r14 + st Z+, r24 + _MOVW r15,r14, ZH,ZL + ret +.global __xsprintf +__xsprintf: + push YH + push YL + in YL, _SFR_IO_ADDR(SPL) +#ifdef SPH + in YH, _SFR_IO_ADDR(SPH) +#else + clr YH +#endif + adiw YL, 5 ;Y = pointer to arguments + lds ZL, xfunc_out+0 ;Save registered output function + lds ZH, xfunc_out+1 ; + push ZL ; + push ZH ;/ + ldi ZL, lo8(pm(putram));Set local output function + ldi ZH, hi8(pm(putram)); + sts xfunc_out+0, ZL ; + sts xfunc_out+1, ZH ;/ + push r15 ;Initialize pointer to string buffer + push r14 ; + ld r14, Y+ ; + ld r15, Y+ ;/ + rcall xvprintf + _MOVW ZH,ZL, r15,r14 ;Terminate string + st Z, r1 ; + pop r14 ; + pop r15 ;/ + pop ZH ;Restore registered output function + pop ZL ; + sts xfunc_out+0, ZL ; + sts xfunc_out+1, ZH ;/ + pop YL + pop YH + ret +.endfunc +#endif + + +#if USE_XFPRINTF +.func __xfprintf +.global __xfprintf +__xfprintf: + push YH + push YL + in YL, _SFR_IO_ADDR(SPL) +#ifdef SPH + in YH, _SFR_IO_ADDR(SPH) +#else + clr YH +#endif + adiw YL, 5 ;Y = pointer to arguments + lds ZL, xfunc_out+0 ;Save registered output function + lds ZH, xfunc_out+1 ; + push ZL ; + push ZH ;/ + ld ZL, Y+ ;Set output function + ld ZH, Y+ ; + sts xfunc_out+0, ZL ; + sts xfunc_out+1, ZH ;/ + rcall xvprintf + pop ZH ;Restore registered output function + pop ZL ; + sts xfunc_out+0, ZL ; + sts xfunc_out+1, ZH ;/ + pop YL + pop YH + ret +.endfunc +#endif + +#endif + + + +;--------------------------------------------------------------------------- +; Extended numeral string input +; +;Prototype: +; char xatoi ( /* 1: Successful, 0: Failed */ +; const char **str, /* pointer to pointer to source string */ +; long *res /* result */ +; ); +; + + +#if USE_XATOI +.func xatoi +.global xatoi +xatoi: + _MOVW r1, r0, r23, r22 + _MOVW XH, XL, r25, r24 + ld ZL, X+ + ld ZH, X+ + clr r18 ;r21:r18 = 0; + clr r19 ; + clr r20 ; + clr r21 ;/ + clt ;T = 0; + + ldi r25, 10 ;r25 = 10; + rjmp 41f ;/ +40: adiw ZL, 1 ;Z++; +41: ld r22, Z ;r22 = *Z; + cpi r22, ' ' ;if(r22 == ' ') continue + breq 40b ;/ + brcs 70f ;if(r22 < ' ') error; + cpi r22, '-' ;if(r22 == '-') { + brne 42f ; T = 1; + set ; continue; + rjmp 40b ;} +42: cpi r22, '9'+1 ;if(r22 > '9') error; + brcc 70f ;/ + cpi r22, '0' ;if(r22 < '0') error; + brcs 70f ;/ + brne 51f ;if(r22 > '0') cv_start; + ldi r25, 8 ;r25 = 8; + adiw ZL, 1 ;r22 = *(++Z); + ld r22, Z ;/ + cpi r22, ' '+1 ;if(r22 <= ' ') exit; + brcs 80f ;/ + cpi r22, 'b' ;if(r22 == 'b') { + brne 43f ; r25 = 2; + ldi r25, 2 ; cv_start; + rjmp 50f ;} +43: cpi r22, 'x' ;if(r22 != 'x') error; + brne 51f ;/ + ldi r25, 16 ;r25 = 16; + +50: adiw ZL, 1 ;Z++; + ld r22, Z ;r22 = *Z; +51: cpi r22, ' '+1 ;if(r22 <= ' ') break; + brcs 80f ;/ + cpi r22, 'a' ;if(r22 >= 'a') r22 =- 0x20; + brcs 52f ; + subi r22, 0x20 ;/ +52: subi r22, '0' ;if((r22 -= '0') < 0) error; + brcs 70f ;/ + cpi r22, 10 ;if(r22 >= 10) { + brcs 53f ; r22 -= 7; + subi r22, 7 ; if(r22 < 10) + cpi r22, 10 ; + brcs 70f ;} +53: cp r22, r25 ;if(r22 >= r25) error; + brcc 70f ;/ +60: ldi r24, 33 ;r21:r18 *= r25; + sub r23, r23 ; +61: brcc 62f ; + add r23, r25 ; +62: lsr r23 ; + ror r21 ; + ror r20 ; + ror r19 ; + ror r18 ; + dec r24 ; + brne 61b ;/ + add r18, r22 ;r21:r18 += r22; + adc r19, r24 ; + adc r20, r24 ; + adc r21, r24 ;/ + rjmp 50b ;repeat + +70: ldi r24, 0 + rjmp 81f +80: ldi r24, 1 +81: brtc 82f + clr r22 + com r18 + com r19 + com r20 + com r21 + adc r18, r22 + adc r19, r22 + adc r20, r22 + adc r21, r22 +82: st -X, ZH + st -X, ZL + _MOVW XH, XL, r1, r0 + st X+, r18 + st X+, r19 + st X+, r20 + st X+, r21 + clr r1 + ret +.endfunc +#endif + + diff --git a/common/avr/xprintf.h b/common/avr/xprintf.h new file mode 100644 index 0000000000..f58bca817b --- /dev/null +++ b/common/avr/xprintf.h @@ -0,0 +1,103 @@ +/*--------------------------------------------------------------------------- + Extended itoa, puts and printf (C)ChaN, 2011 +-----------------------------------------------------------------------------*/ + +#ifndef XPRINTF_H +#define XPRINTF_H + +#include +#include + +extern void (*xfunc_out)(uint8_t); +#define xdev_out(func) xfunc_out = (void(*)(uint8_t))(func) + +/* This is a pointer to user defined output function. It must be initialized + before using this modle. +*/ + +void xputc(char chr); + +/* This is a stub function to forward outputs to user defined output function. + All outputs from this module are output via this function. +*/ + + +/*-----------------------------------------------------------------------------*/ +void xputs(const char *string_p); + +/* The string placed in the ROM is forwarded to xputc() directly. +*/ + + +/*-----------------------------------------------------------------------------*/ +void xitoa(long value, char radix, char width); + +/* Extended itoa(). + + value radix width output + 100 10 6 " 100" + 100 10 -6 "000100" + 100 10 0 "100" + 4294967295 10 0 "4294967295" + 4294967295 -10 0 "-1" + 655360 16 -8 "000A0000" + 1024 16 0 "400" + 0x55 2 -8 "01010101" +*/ + + +/*-----------------------------------------------------------------------------*/ +#define xprintf(format, ...) __xprintf(PSTR(format), ##__VA_ARGS__) +#define xsprintf(str, format, ...) __xsprintf(str, PSTR(format), ##__VA_ARGS__) +#define xfprintf(func, format, ...) __xfprintf(func, PSTR(format), ##__VA_ARGS__) + +void __xprintf(const char *format_p, ...); /* Send formatted string to the registered device */ +void __xsprintf(char*, const char *format_p, ...); /* Put formatted string to the memory */ +void __xfprintf(void(*func)(uint8_t), const char *format_p, ...); /* Send formatted string to the specified device */ + +/* Format string is placed in the ROM. The format flags is similar to printf(). + + %[flag][width][size]type + + flag + A '0' means filled with '0' when output is shorter than width. + ' ' is used in default. This is effective only numeral type. + width + Minimum width in decimal number. This is effective only numeral type. + Default width is zero. + size + A 'l' means the argument is long(32bit). Default is short(16bit). + This is effective only numeral type. + type + 'c' : Character, argument is the value + 's' : String placed on the RAM, argument is the pointer + 'S' : String placed on the ROM, argument is the pointer + 'd' : Signed decimal, argument is the value + 'u' : Unsigned decimal, argument is the value + 'X' : Hexdecimal, argument is the value + 'b' : Binary, argument is the value + '%' : '%' + +*/ + + +/*-----------------------------------------------------------------------------*/ +char xatoi(char **str, long *ret); + +/* Get value of the numeral string. + + str + Pointer to pointer to source string + + "0b11001010" binary + "0377" octal + "0xff800" hexdecimal + "1250000" decimal + "-25000" decimal + + ret + Pointer to return value +*/ + +#endif + -- cgit v1.2.3