FreeCalypso > hg > freecalypso-tools
changeset 820:03457a66d860
buzplayer: add basic support for PWT
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 30 May 2021 03:39:58 +0000 |
| parents | 7b24c192a1e1 |
| children | 16bee7b6bd6b |
| files | target-utils/buzplayer/Makefile target-utils/buzplayer/cmdtab.c target-utils/buzplayer/pwt.c |
| diffstat | 3 files changed, 72 insertions(+), 1 deletions(-) [+] |
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--- a/target-utils/buzplayer/Makefile Sat May 15 03:15:03 2021 +0000 +++ b/target-utils/buzplayer/Makefile Sun May 30 03:39:58 2021 +0000 @@ -7,7 +7,7 @@ INSTDIR=/opt/freecalypso/target-bin PROG= buzplayer -OBJS= crt0.o cmdtab.o main.o melentry.o melplay.o timer.o +OBJS= crt0.o cmdtab.o main.o melentry.o melplay.o pwt.o timer.o LIBS= ../libcommon/libcommon.a ../libprintf/libprintf.a ../libbase/libbase.a \ ../libc/libc.a LIBGCC= `${CC} -print-file-name=libgcc.a`
--- a/target-utils/buzplayer/cmdtab.c Sat May 15 03:15:03 2021 +0000 +++ b/target-utils/buzplayer/cmdtab.c Sun May 30 03:39:58 2021 +0000 @@ -5,7 +5,9 @@ extern void cmd_baud_switch(); extern void cmd_buz(); extern void cmd_buzlev(); +extern void cmd_buzpwt(); extern void cmd_jump(); +extern void cmd_pwt(); extern void cmd_r8(); extern void cmd_r16(); extern void cmd_r32(); @@ -32,8 +34,10 @@ {"baud", cmd_baud_switch}, {"buz", cmd_buz}, {"buzlev", cmd_buzlev}, + {"buzpwt", cmd_buzpwt}, {"jump", cmd_jump}, {"poweroff", abb_power_off}, + {"pwt", cmd_pwt}, {"r8", cmd_r8}, {"r16", cmd_r16}, {"r32", cmd_r32},
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/target-utils/buzplayer/pwt.c Sun May 30 03:39:58 2021 +0000 @@ -0,0 +1,67 @@ +/* + * Commands for exercising the Calypso buzzer in PWT mode. + */ + +#include <sys/types.h> +#include <strings.h> +#include "types.h" + +extern u_long strtoul(); + +#define ASIC_CONF_REG (*(volatile u16 *) 0xFFFEF008) +#define PWT_MODE_MASK 0x0020 + +#define PWT_FRC_REG (*(volatile u8 *) 0xFFFE8800) +#define PWT_VCR_REG (*(volatile u8 *) 0xFFFE8801) +#define PWT_GCR_REG (*(volatile u8 *) 0xFFFE8802) + +void +cmd_pwt(argbulk) + char *argbulk; +{ + char *argv[2]; + + if (parse_args(argbulk, 1, 1, argv, 0) < 0) + return; + if (!strcmp(argv[0], "on")) { + ASIC_CONF_REG |= PWT_MODE_MASK; + PWT_GCR_REG = 0x01; + } else if (!strcmp(argv[0], "off")) { + ASIC_CONF_REG &= ~PWT_MODE_MASK; + PWT_GCR_REG = 0; + } else + printf("ERROR: \"on\" or \"off\" argument expected\n"); +} + +void +cmd_buzpwt(argbulk) + char *argbulk; +{ + char *argv[3]; + u32 note, vol; + int c; + + if (parse_args(argbulk, 1, 2, argv, 0) < 0) + return; + note = strtoul(argv[0], 0, 0); + if (note > 47) { + printf("ERROR: note argument out of range\n"); + return; + } + if (argv[1]) { + vol = strtoul(argv[1], 0, 0); + if (vol > 63) { + printf("ERROR: volume argument out of range\n"); + return; + } + } else + vol = 63; + PWT_FRC_REG = note; + PWT_VCR_REG = (vol << 1) | 1; + for (;;) { + c = serial_in_poll(); + if (c >= 0) + break; + } + PWT_VCR_REG = 0; +}