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mirror of git://projects.qi-hardware.com/antorcha.git synced 2024-11-25 19:51:52 +02:00

whirl/fw/: skeleton test firmware (doesn't do anything useful yet)

This commit is contained in:
Werner Almesberger 2012-11-16 19:22:23 -03:00
parent 404211cea3
commit a5befafb90
5 changed files with 327 additions and 0 deletions

152
whirl/fw/Makefile Normal file
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#
# Makefile - Makefile of the Whirl firmware
#
# Written 2012 by Werner Almesberger
# Copyright 2012 by Werner Almesberger
#
# 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.
#
SHELL = /bin/bash
NAME = whirl
CFLAGS = -g -mmcu=$(CHIP) \
-DBOOT_ADDR=$(BOOT_ADDR) \
-Wall -Wextra -Wshadow -Werror -Wno-unused-parameter \
-Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes \
-I../../ben-wpan/atusb/fw/include/
CHIP = atmega168
HOST = jlime
BOOT_ADDR = 0x3800
AVR_PREFIX = $(BIN_PATH) avr-
CC = $(AVR_PREFIX)gcc
OBJCOPY = $(AVR_PREFIX)objcopy
#OBJDUMP = $(AVR_PREFIX)objdump
SIZE = $(AVR_PREFIX)size
OBJS = $(NAME).o $(COMMON_OBJS)
BOOT_OBJS = boot.o $(COMMON_OBJS)
COMMON_OBJS =
# ----- Verbosity control -----------------------------------------------------
CC_normal := $(CC)
BUILD_normal :=
DEPEND_normal := $(CPP) $(CFLAGS) -MM -MG
CC_quiet = @echo " CC " $@ && $(CC_normal)
BUILD_quiet = @echo " BUILD " $@ && $(BUILD_normal)
DEPEND_quiet = @$(DEPEND_normal)
ifeq ($(V),1)
CC = $(CC_normal)
BUILD = $(BUILD_normal)
DEPEND = $(DEPEND_normal)
else
CC = $(CC_quiet)
BUILD = $(BUILD_quiet)
DEPEND = $(DEPEND_quiet)
endif
# ----- Rules -----------------------------------------------------------------
.PHONY: all clean nosecrets upload prog version.c
.PHONY: prog-app prog-read
all: $(NAME).bin boot.bin
$(NAME).elf: $(OBJS)
$(MAKE) version.o
$(CC) $(CFLAGS) -o $@ $(OBJS) version.o
boot.elf: $(BOOT_OBJS)
$(CC) $(CFLAGS) -o $@ $(BOOT_OBJS) \
-Wl,--section-start=.text=$(BOOT_ADDR)
%.bin: %.elf
$(BUILD) $(OBJCOPY) -j .text -j .data -O binary $< $@
@echo "build #`cat .version`, `ls -l $@`"
%.hex: %.elf
$(BUILD) $(OBJCOPY) -j .text -j .data -O ihex $< $@
$(SIZE) $@
# ----- Cleanup ---------------------------------------------------------------
clean:
rm -f $(NAME).bin $(NAME).elf
rm -f $(OBJS) $(OBJS:.o=.d)
rm -f boot.hex boot.elf
rm -f $(BOOT_OBJS) $(BOOT_OBJS:.o=.d)
rm -f version.c version.d version.o
# ----- Build version ---------------------------------------------------------
version.c:
@if [ -f .version ]; then \
v=`cat .version`; \
expr $$v + 1 >.version; \
else \
echo 0 >.version; \
fi
@[ -s .version ] || echo 0 >.version
@echo '/* MACHINE-GENERATED. DO NOT EDIT ! */' >version.c
@echo '#include "version.h"' >>version.c
@echo "const char *build_date = \"`date`\";" >>version.c
@echo "const uint16_t build_number = `cat .version`;" \
>>version.c
# ----- Dependencies ----------------------------------------------------------
MKDEP = \
$(DEPEND) $< | \
sed \
-e 's|^$(basename $(notdir $<)).o:|$@:|' \
-e '/^\(.*:\)\? */{p;s///;s/ *\\\?$$/ /;s/ */:\n/g;H;}' \
-e '$${g;p;}' \
-e d >$(basename $@).d; \
[ "$${PIPESTATUS[*]}" = "0 0" ] || \
{ rm -f $(basename $@).d; exit 1; }
%.o: %.c
$(CC) $(CFLAGS) -Os -c $<
$(MKDEP)
-include $(OBJS:.o=.d)
# ----- Programming and device control ----------------------------------------
upload: $(NAME).bin boot.hex
scp $(NAME).bin boot.hex avrdude-antorcha.conf $(HOST):
# lfuse: external clock, slow start-up
# hfuse: 4 kB boot loader, reset into boot loader
# lock: allow everything but SPM to the boot loader
# Note: when trying to program 0xef, we get back 0x2f, failing
# verification. So we just program 0x2f.
prog-app:
ssh $(HOST) avrdude -F -p $(CHIP) \
-L avrdude-antorcha.conf -c nanonote_antorcha -e \
-U flash:w:antorcha.bin:r
# -U lfuse:w:0x60:m
prog:
ssh $(HOST) avrdude -F -p $(CHIP) \
-L avrdude-antorcha.conf -c nanonote_antorcha -e \
-U flash:w:boot.hex:i \
-U efuse:w:0x00:m \
-U lfuse:w:0xe2:m
# -U lfuse:w:0x60:m \
# -U hfuse:w:0xd8:m \
# -U lock:w:0x2f:m
prog-read:
ssh $(HOST) avrdude -F -p $(CHIP) -c nanonote_antorcha \
-U flash:r:mcu.bin:r

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whirl/fw/boot.c Normal file
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#include <stdint.h>
#define F_CPU 8000000UL
#include <util/delay.h>
#include "io.h"
#define HIGH(port) \
(MASK(port, CARD_nPWR) | \
MASK(port, SW_N) | MASK(port, SW_E) | MASK(port, SW_S) | \
MASK(port, SW_W) | MASK(port, SW_SW))
#define OUTPUTS(port) \
(MASK(port, CARD_nPWR) | MASK(port, CARD_CLK) | \
MASK(port, LED_DS) | MASK(port, LED_LCLK) | MASK(port, LED_SCLK))
/*
* @@@ For testing, connect the LED bar via the 8:10 card slot, so that it
* can be disconnected without soldering.
*/
#define SCLK CARD_DAT1
#define LCLK CARD_DAT0
#define DS CARD_CLK
static void send(uint16_t pattern)
{
uint8_t i;
for (i = 0; i != 16; i++) {
if (pattern & 0x8000)
SET(DS);
else
CLR(DS);
SET(SCLK);
CLR(SCLK);
pattern <<= 1;
}
SET(LCLK);
CLR(LCLK);
}
int main(void)
{
uint16_t n = 0;
PORTB = HIGH(B);
PORTC = HIGH(C);
PORTD = HIGH(D);
DDRB = OUTPUTS(B);
DDRC = OUTPUTS(C);
DDRD = OUTPUTS(D);
#if 0
PORTB = 0xff;
PORTC = 0xff;
PORTD = 0xff;
#endif
CLR(CARD_nPWR);
CLR(SCLK);
CLR(LCLK);
OUT(SCLK);
OUT(LCLK);
OUT(DS);
#if 0
while (1) {
SET(DS);
CLR(DS);
}
#endif
while (1) {
send(n);
n++;
_delay_ms(100);
}
}

66
whirl/fw/io.h Normal file
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/*
* fw/io.h - I/O helper macros
*
* Written 2012 by Werner Almesberger
* Copyright 2012 Werner Almesberger
*
* 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.
*/
#ifndef IO_H
#define IO_H
#include <avr/io.h>
#define LED_DS D, 1
#define LED_LCLK D, 2
#define LED_SCLK D, 4
#define CARD_nPWR B, 6
#define CARD_DAT2 B, 2
#define CARD_DAT3 B, 1
#define CARD_CMD B, 3
#define CARD_CLK B, 0
#define CARD_DAT0 B, 4
#define CARD_DAT1 B, 5
#define SW_N C, 3
#define SW_E C, 4
#define SW_S C, 0
#define SW_W C, 2
#define SW_SW C, 1
#define ADC_X 6
#define ADC_Y 7
#define __SET(port, bit) PORT##port |= 1 << (bit)
#define __CLR(port, bit) PORT##port &= ~(1 << (bit))
#define __OUT(port, bit) DDR##port |= 1 << (bit)
#define __IN(port, bit) DDR##port &= ~(1 << (bit))
#define __PIN(port, bit) ((PIN##port >> (bit)) & 1)
#define SET(...) __SET(__VA_ARGS__)
#define CLR(...) __CLR(__VA_ARGS__)
#define OUT(...) __OUT(__VA_ARGS__)
#define IN(...) __IN(__VA_ARGS__)
#define PIN(...) __PIN(__VA_ARGS__)
#define __SEL_BB(v) (v)
#define __SEL_CC(v) (v)
#define __SEL_DD(v) (v)
#define __SEL_BC(v) (0)
#define __SEL_BD(v) (0)
#define __SEL_CB(v) (0)
#define __SEL_CD(v) (0)
#define __SEL_DB(v) (0)
#define __SEL_DC(v) (0)
#define __MASK(sel, port, bit) __SEL_##sel##port(1 << (bit))
#define MASK(...) __MASK(__VA_ARGS__)
#endif /* IO_H */

23
whirl/fw/version.h Normal file
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/*
* fw/version.h - Automatically generated version string
*
* Written 2008, 2011 by Werner Almesberger
* Copyright 2008, 2011 Werner Almesberger
*
* 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.
*/
#ifndef VERSION_H
#define VERSION_H
#include <stdint.h>
extern const char *build_date;
extern const uint16_t build_number;
#endif /* !VERSION_H */

4
whirl/fw/whirl.c Normal file
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int main(void)
{
while (1);
}