Initial reset controller firmware
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jaseg
parent
b519674935
commit
23a1333abe
4 changed files with 292 additions and 0 deletions
93
controller/fw/Makefile
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93
controller/fw/Makefile
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SOURCES := main.c mspdebug_wrapper.c
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SOURCES += mspdebug/drivers/jtaglib.c
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BUILDDIR ?= build
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BINARY := safetyreset
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LDSCRIPT := stm32f407.ld
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LIBNAME := opencm3_stm32f4
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OPENCM3_DIR ?= libopencm3
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PREFIX ?= arm-none-eabi-
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CC := $(PREFIX)gcc
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CXX := $(PREFIX)g++
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LD := $(PREFIX)gcc
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AR := $(PREFIX)ar
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AS := $(PREFIX)as
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OBJCOPY := $(PREFIX)objcopy
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OBJDUMP := $(PREFIX)objdump
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GDB := $(PREFIX)gdb
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CFLAGS += -I$(OPENCM3_DIR)/include -Imspdebug/util -Imspdebug/drivers
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CFLAGS += -Os -std=c11 -g -DSTM32F4
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# Note: libopencm3 requires some standard libc definitions from stdint.h and stdbool.h, so we don't pass -nostdinc here.
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CFLAGS += -nostdlib -ffreestanding
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CFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g
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CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration -Wundef
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CFLAGS += -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes
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CFLAGS += -fno-common -ffunction-sections -fdata-sections
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LDFLAGS += --static -nostartfiles
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LDFLAGS += -T$(LDSCRIPT)
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LDFLAGS += -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 -g
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LDFLAGS += -Wl,--cre
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#LDFLAGS += -Wl,--gc-sections
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LDFLAGS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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LDFLAGS += -L$(OPENCM3_DIR)/lib
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LDFLAGS += -l$(LIBNAME) $(shell $(CC) -print-libgcc-file-name)
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all: elf
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elf: $(BUILDDIR)/$(BINARY).elf
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bin: $(BUILDDIR)/$(BINARY).bin
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hex: $(BUILDDIR)/$(BINARY).hex
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srec: $(BUILDDIR)/$(BINARY).srec
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list: $(BUILDDIR)/$(BINARY).list
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images: $(BUILDDIR)/$(BINARY).images
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$(OPENCM3_DIR)/lib/lib$(LIBNAME).a:
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echo "Warning, $@ not found, attempting to rebuild in $(OPENCM3_DIR)"
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$(MAKE) -C $(OPENCM3_DIR)
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OBJS := $(addprefix $(BUILDDIR)/,$(SOURCES:%.c=%.o))
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# Define a helper macro for debugging make errors online
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# you can type "make print-OPENCM3_DIR" and it will show you
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# how that ended up being resolved by all of the included
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# makefiles.
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print-%:
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@echo $*=$($*)
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$(BUILDDIR)/%.images: $(BUILDDIR)/%.bin $(BUILDDIR)/%.hex $(BUILDDIR)/%.srec $(BUILDDIR)/%.list $(BUILDDIR)/%.map
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$(BUILDDIR)/%.bin: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Obinary $< $@
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$(BUILDDIR)/%.hex: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Oihex $< $@
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$(BUILDDIR)/%.srec: $(BUILDDIR)/%.elf
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$(OBJCOPY) -Osrec $< $@
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$(BUILDDIR)/%.list: $(BUILDDIR)/%.elf
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$(OBJDUMP) -S $< > $@
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$(BUILDDIR)/%.elf: $(OBJS) $(LDSCRIPT) $(OPENCM3_DIR)/lib/lib$(LIBNAME).a
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$(LD) $(OBJS) $(LDFLAGS) -o $@ -Wl,-Map=$*.map
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$(BUILDDIR)/%.o: %.c
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mkdir -p $(dir $@)
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$(CC) $(CFLAGS) -o $@ -c $<
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clean:
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-rm -r $(BUILDDIR)
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.PHONY: images clean elf bin hex srec list
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-include $(OBJS:.o=.d)
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53
controller/fw/main.c
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53
controller/fw/main.c
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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* Copyright (C) 2011 Damjan Marion <damjan.marion@gmail.com>
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* Copyright (C) 2011 Mark Panajotovic <marko@electrontube.org>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <libopencm3/stm32/rcc.h>
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#include <libopencm3/stm32/gpio.h>
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/* Set STM32 to 168 MHz. */
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static void clock_setup(void)
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{
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rcc_clock_setup_pll(&rcc_hse_8mhz_3v3[RCC_CLOCK_3V3_168MHZ]);
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rcc_periph_clock_enable(RCC_GPIOA);
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}
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static void gpio_setup(void)
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{
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gpio_mode_setup(GPIOA, GPIO_MODE_OUTPUT, GPIO_PUPD_NONE, GPIO6 | GPIO7);
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}
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int main(void)
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{
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int i;
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clock_setup();
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gpio_setup();
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gpio_set(GPIOA, GPIO6);
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while (1) {
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gpio_toggle(GPIOA, GPIO6 | GPIO7);
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for (i = 0; i < 6000000; i++)
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__asm__("nop");
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}
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return 0;
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}
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112
controller/fw/mspdebug_wrapper.c
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112
controller/fw/mspdebug_wrapper.c
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@ -0,0 +1,112 @@
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#include "sr_global.h"
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#include "output.h"
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#include "jtaglib.h"
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int printc_err(const char *fmt, ...) {
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UNUSED(fmt);
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/* ignore */
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}
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static void sr_jtdev_power_on(struct jtdev *p) {
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/* ignore */
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}
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static void sr_jtdev_connect(struct jtdev *p) {
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/* ignore */
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}
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static enum sr_gpio_types {
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SR_GPIO_TCK,
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SR_GPIO_TMS,
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SR_GPIO_TDI,
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SR_GPIO_RST,
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SR_GPIO_TST,
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SR_GPIO_TDO,
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SR_NUM_GPIOS
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};
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struct {
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uint32_t port, uint16_t num,
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} gpios[SR_NUM_GPIOS] = {
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[SR_GPIO_TCK] = {},
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[SR_GPIO_TMS] = {},
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[SR_GPIO_TDI] = {},
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[SR_GPIO_RST] = {},
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[SR_GPIO_TST] = {},
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[SR_GPIO_TDO] = {},
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};
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static void sr_jtdev_tck(struct jtdev *p, int out) {
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}
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static void sr_jtdev_tms(struct jtdev *p, int out) {
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}
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static void sr_jtdev_tdi(struct jtdev *p, int out) {
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}
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static void sr_jtdev_rst(struct jtdev *p, int out) {
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}
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static void sr_jtdev_tst(struct jtdev *p, int out) {
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}
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static int sr_jtdev_tdo_get(struct jtdev *p) {
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}
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static void sr_jtdev_tclk(struct jtdev *p, int out) {
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}
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static int sr_jtdev_tclk_get(struct jtdev *p) {
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}
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static void sr_jtdev_tclk_strobe(struct jtdev *p, unsigned int count) {
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}
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static void sr_jtdev_led_green(struct jtdev *p, int out) {
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UNUSED(p);
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UNUSED(out);
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/* ignore */
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}
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static void sr_jtdev_led_red(struct jtdev *p, int out) {
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UNUSED(p);
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UNUSED(out);
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/* ignore */
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}
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static struct jtdev_func sr_jtdev_vtable = {
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.jtdev_open = 0,
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.jtdev_close = 0,
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.jtdev_power_off = 0,
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.jtdev_release = 0,
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.jtdev_power_on = sr_jtdev_power_on,
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.jtdev_connect = sr_jtdev_connect,
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.jtdev_tck = sr_jtdev_tck,
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.jtdev_tms = sr_jtdev_tms,
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.jtdev_tdi = sr_jtdev_tdi,
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.jtdev_rst = sr_jtdev_rst,
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.jtdev_tst = sr_jtdev_tst,
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.jtdev_tdo_get = sr_jtdev_tdo_get,
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.jtdev_tclk = sr_jtdev_tclk,
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.jtdev_tclk_get = sr_jtdev_tclk_get,
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.jtdev_tclk_strobe = sr_jtdev_tclk_strobe,
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.jtdev_led_green = sr_jtdev_led_green,
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.jtdev_led_red = sr_jtdev_led_red,
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};
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static struct jtdev sr_jtdev = {
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0,
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.f = &sr_jtdev_vtable
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};
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34
controller/fw/stm32f407.ld
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34
controller/fw/stm32f407.ld
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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* Copyright (C) 2011 Stephen Caudle <scaudle@doceme.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Linker script for ST STM32F4DISCOVERY (STM32F407VG, 1024K flash, 128K RAM). */
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/* Define memory regions. */
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MEMORY
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{
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rom (rx) : ORIGIN = 0x08000000, LENGTH = 1024K
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ram (rwx) : ORIGIN = 0x20000000, LENGTH = 128K
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ccm (rwx) : ORIGIN = 0x10000000, LENGTH = 64K
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bkp (rwx) : ORIGIN = 0x40024000, LENGTH = 4K
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}
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/* Include the common ld script. */
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INCLUDE cortex-m-generic.ld
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