diff options
| -rw-r--r-- | target/adc-serial/adc_serial.c | 3 | ||||
| -rw-r--r-- | target/beep-timer/Makefile | 47 | ||||
| -rw-r--r-- | target/beep-timer/beep_timer.c | 204 |
3 files changed, 253 insertions, 1 deletions
diff --git a/target/adc-serial/adc_serial.c b/target/adc-serial/adc_serial.c index 9f722bb5..eba58744 100644 --- a/target/adc-serial/adc_serial.c +++ b/target/adc-serial/adc_serial.c @@ -550,12 +550,13 @@ usart_out_number(uint16_t v) main () { - P1DIR |= 2; + P1DIR = 3; CLKCON = 0; while (!(SLEEP & SLEEP_XOSC_STB)) ; adc_init(); + P1_0 = 1; usart_init(); for (;;) { adc_run(); diff --git a/target/beep-timer/Makefile b/target/beep-timer/Makefile new file mode 100644 index 00000000..008adbd5 --- /dev/null +++ b/target/beep-timer/Makefile @@ -0,0 +1,47 @@ +PROG=beep_timer +CC=sdcc +NO_OPT=--nogcse --noinvariant --noinduction --nojtbound --noloopreverse \ + --nolabelopt --nooverlay --peep-asm +DEBUG=--debug + +CFLAGS=--model-large $(DEBUG) --less-pedantic \ + --no-peep --int-long-reent --float-reent \ + --data-loc 0x30 + +LDFLAGS=--out-fmt-ihx +LDFLAGS_RAM=$(LDFLAGS) --code-loc 0xf000 --xram-loc 0xf400 --xram-size 1024 + +LDFLAGS_FLASH=$(LDFLAGS) --code-loc 0x0000 --xram-loc 0xf000 --xram-size 1024 + +SRC=$(PROG).c +ADB=$(SRC:.c=.adb) +ASM=$(SRC:.c=.asm) +LNK=$(SRC:.c=.lnk) +LST=$(SRC:.c=.lst) +REL=$(SRC:.c=.rel) +RST=$(SRC:.c=.rst) +SYM=$(SRC:.c=.sym) + +PROGS=$(PROG)-flash.ihx $(PROG)-ram.ihx +PCDB=$(PROGS:.ihx=.cdb) +PLNK=$(PROGS:.ihx=.lnk) +PMAP=$(PROGS:.ihx=.map) +PMEM=$(PROGS:.ihx=.mem) +PAOM=$(PROGS:.ihx=) + +%.rel : %.c + $(CC) -c $(CFLAGS) -o$*.rel $< + +all: $(PROGS) + +$(PROG)-ram.ihx: $(REL) Makefile + $(CC) $(LDFLAGS_RAM) $(CFLAGS) -o $(PROG)-ram.ihx $(REL) + $(CC) $(LDFLAGS_FLASH) $(CFLAGS) -o $(PROG)-flash.ihx $(REL) + +$(PROG)-flash.ihx: $(PROG)-ram.ihx + +clean: + rm -f $(ADB) $(ASM) $(LNK) $(LST) $(REL) $(RST) $(SYM) + rm -f $(PROGS) $(PCDB) $(PLNK) $(PMAP) $(PMEM) $(PAOM) + +install: diff --git a/target/beep-timer/beep_timer.c b/target/beep-timer/beep_timer.c new file mode 100644 index 00000000..53b95495 --- /dev/null +++ b/target/beep-timer/beep_timer.c @@ -0,0 +1,204 @@ +/* + * Copyright © 2008 Keith Packard <keithp@keithp.com> + * + * 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, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +sfr at 0x80 P0; +sfr at 0x90 P1; +sfr at 0xA0 P2; +sfr at 0xC6 CLKCON; +sfr at 0xbe SLEEP; + +# define SLEEP_USB_EN (1 << 7) +# define SLEEP_XOSC_STB (1 << 6) + +sbit at 0x90 P1_0; +sbit at 0x91 P1_1; +sbit at 0x92 P1_2; +sbit at 0x93 P1_3; +sbit at 0x94 P1_4; +sbit at 0x95 P1_5; +sbit at 0x96 P1_6; +sbit at 0x97 P1_7; + +sfr at 0xF1 PERCFG; +sfr at 0xF2 ADCCFG; +sfr at 0xF3 P0SEL; +sfr at 0xF4 P1SEL; +sfr at 0xF5 P2SEL; + +#define P2SEL_PRI3P1_USART0 (0 << 6) +#define P2SEL_PRI3P1_USART1 (1 << 6) +#define P2SEL_PRI2P1_USART1 (0 << 5) +#define P2SEL_PRI2P1_TIMER3 (1 << 5) +#define P2SEL_PRI1P1_TIMER1 (0 << 4) +#define P2SEL_PRI1P1_TIMER4 (1 << 4) +#define P2SEL_PRI0P1_USART0 (0 << 3) +#define P2SEL_PRI0P1_TIMER1 (1 << 3) +#define P2SEL_SELP2_4_GPIO (0 << 2) +#define P2SEL_SELP2_4_PERIPHERAL (1 << 2) +#define P2SEL_SELP2_3_GPIO (0 << 1) +#define P2SEL_SELP2_3_PERIPHERAL (1 << 1) +#define P2SEL_SELP2_0_GPIO (0 << 0) +#define P2SEL_SELP2_0_PERIPHERAL (1 << 0) + +sfr at 0xFD P0DIR; +sfr at 0xFE P1DIR; +sfr at 0xFF P2DIR; +sfr at 0x8F P0INP; +sfr at 0xF6 P1INP; +sfr at 0xF7 P2INP; + +sfr at 0x89 P0IFG; +sfr at 0x8A P1IFG; +sfr at 0x8B P2IFG; + +sfr at 0xF1 PERCFG; +#define PERCFG_T1CFG_ALT_1 (0 << 6) +#define PERCFG_T1CFG_ALT_2 (1 << 6) + +#define PERCFG_T3CFG_ALT_1 (0 << 5) +#define PERCFG_T3CFG_ALT_2 (1 << 5) + +#define PERCFG_T4CFG_ALT_1 (0 << 4) +#define PERCFG_T4CFG_ALT_2 (1 << 4) + +#define PERCFG_U1CFG_ALT_1 (0 << 1) +#define PERCFG_U1CFG_ALT_2 (1 << 1) + +#define PERCFG_U0CFG_ALT_1 (0 << 0) +#define PERCFG_U0CFG_ALT_2 (1 << 0) + +/* Timer count */ +sfr at 0xCA T3CNT; +sfr at 0xEA T4CNT; + +/* Timer control */ + +sfr at 0xCB T3CTL; +sfr at 0xEB T4CTL; + +#define TxCTL_DIV_1 (0 << 5) +#define TxCTL_DIV_2 (1 << 5) +#define TxCTL_DIV_4 (2 << 5) +#define TxCTL_DIV_8 (3 << 5) +#define TxCTL_DIV_16 (4 << 5) +#define TxCTL_DIV_32 (5 << 5) +#define TxCTL_DIV_64 (6 << 5) +#define TxCTL_DIV_128 (7 << 5) +#define TxCTL_START (1 << 4) +#define TxCTL_OVFIM (1 << 3) +#define TxCTL_CLR (1 << 2) +#define TxCTL_MODE_FREE (0 << 0) +#define TxCTL_MODE_DOWN (1 << 0) +#define TxCTL_MODE_MODULO (2 << 0) +#define TxCTL_MODE_UP_DOWN (3 << 0) + +/* Timer 4 channel 0 compare control */ + +sfr at 0xCC T3CCTL0; +sfr at 0xCE T3CCTL1; +sfr at 0xEC T4CCTL0; +sfr at 0xEE T4CCTL1; + +#define TxCCTLy_IM (1 << 6) +#define TxCCTLy_CMP_SET (0 << 3) +#define TxCCTLy_CMP_CLEAR (1 << 3) +#define TxCCTLy_CMP_TOGGLE (2 << 3) +#define TxCCTLy_CMP_SET_UP_CLEAR_DOWN (3 << 3) +#define TxCCTLy_CMP_CLEAR_UP_SET_DOWN (4 << 3) +#define TxCCTLy_CMP_SET_CLEAR_FF (5 << 3) +#define TxCCTLy_CMP_CLEAR_SET_00 (6 << 3) +#define TxCCTLy_CMP_MODE_ENABLE (1 << 2) + +/* Timer compare value */ +sfr at 0xCD T3CC0; +sfr at 0xCF T3CC1; +sfr at 0xED T4CC0; +sfr at 0xEF T4CC1; + +#define nop() _asm nop _endasm; + +void +delay (unsigned char n) +{ + unsigned char i = 0, j = 0; + + n <<= 1; + while (--n != 0) + while (--j != 0) + while (--i != 0) + nop(); +} + +void +dit() { + T4CTL |= TxCTL_START; + delay(1); + T4CTL &= ~TxCTL_START; + delay(1); +} + +void +dah () { + T4CTL |= TxCTL_START; + delay(3); + T4CTL &= ~TxCTL_START; + delay(1); +} + +void +charspace () { + delay(2); +} + +void +wordspace () { + delay(8); +} + +#define _ dit(); +#define ___ dah(); +#define C charspace(); +#define W wordspace(); + +main () +{ + CLKCON = 0; + while (!(SLEEP & SLEEP_XOSC_STB)) + ; + + /* Use timer 4 alternate config 2 */ + PERCFG = PERCFG_T4CFG_ALT_2; + /* Use P2_4 for timer 4 output */ + P2SEL = P2SEL_SELP2_0_PERIPHERAL; + + T4CCTL0 = TxCCTLy_CMP_TOGGLE|TxCCTLy_CMP_MODE_ENABLE; + T4CC0 = 125; + T4CTL = TxCTL_DIV_32 | TxCTL_MODE_MODULO; + + for (;;) { + ___ _ ___ _ C ___ ___ _ ___ W /* cq */ + ___ _ _ C _ W /* de */ + ___ _ ___ C ___ _ _ C /* kd */ + ___ ___ _ _ _ C _ _ _ C /* 7s */ + ___ ___ _ ___ C ___ ___ _ W /* qg */ + if (T4CC0 == 94) + T4CC0 = 125; + else + T4CC0 = 94; + } +} |