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rename G0:G070

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This commit is contained in:
Edward Emelianov
2026-03-01 23:12:53 +03:00
parent 1f4f111c52
commit 71d30dd19a
136 changed files with 0 additions and 0 deletions
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9
G0:G070,G0B1/blink/Makefile Normal file
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BINARY := blink
# MCU code
MCU := G070xx
# change this linking script depending on particular MCU model,
LDSCRIPT := stm32g070xb.ld
include ../makefile.g0
include ../../makefile.stm32

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G0:G070,G0B1/blink/Makefile.old Normal file
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BINARY = blink
BOOTPORT ?= /dev/ttyUSB0
BOOTSPEED ?= 115200
# MCU FAMILY
FAMILY = G0
# MCU code
MCU = G070xx
#DEFS = -DEBUG -g3
# change this linking script depending on particular MCU model,
# for example, if you have STM32F103VBT6, you should write:
LDSCRIPT = stm32g070xb.ld
INDEPENDENT_HEADERS=
FP_FLAGS ?= -msoft-float
ASM_FLAGS = -mthumb -mcpu=cortex-m0plus -march=armv6-m -mtune=cortex-m0plus
ARCH_FLAGS = $(ASM_FLAGS) $(FP_FLAGS)
###############################################################################
# Executables
PREFIX ?= /opt/bin/arm-none-eabi
RM := rm -f
RMDIR := rmdir
SIZE := $(PREFIX)-size
CC := $(PREFIX)-gcc
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
GDB := $(PREFIX)-gdb
STFLASH := $(shell which st-flash)
STBOOT := $(shell which stm32flash)
###############################################################################
# Source files
OBJDIR = mk
LDSCRIPT ?= $(BINARY).ld
SRC := $(wildcard *.c)
OBJS := $(addprefix $(OBJDIR)/, $(SRC:%.c=%.o))
STARTUP = $(OBJDIR)/startup.o
OBJS += $(STARTUP)
DEPS := $(OBJS:.o=.d)
INC_DIR ?= ../inc
INCLUDE := -I$(INC_DIR)/Fx -I$(INC_DIR)/cm
LIB_DIR := $(INC_DIR)/ld
###############################################################################
# C flags
CFLAGS += -O2 -MD -D__thumb2__=1
CFLAGS += -Wall -Werror -Wextra -Wshadow -Wimplicit-function-declaration
CFLAGS += -Wredundant-decls $(INCLUDE)
# -Wmissing-prototypes -Wstrict-prototypes
CFLAGS += -fno-common -ffunction-sections -fdata-sections -flto
###############################################################################
# Linker flags
LDFLAGS += --static -nostartfiles --specs=nano.specs -flto
LDFLAGS += -L$(LIB_DIR)
LDFLAGS += -T$(LDSCRIPT)
LDFLAGS += -Wl,-Map=$(OBJDIR)/$(BINARY).map
LDFLAGS += -Wl,--gc-sections
###############################################################################
# Used libraries
LDLIBS += -Wl,--start-group -lc -lgcc -Wl,--end-group
LDLIBS += $(shell $(CC) $(CFLAGS) -print-libgcc-file-name)
DEFS += -DSTM32$(FAMILY) -DSTM32$(MCU)
#.SUFFIXES: .elf .bin .hex .srec .list .map .images
#.SECONDEXPANSION:
#.SECONDARY:
ELF := $(OBJDIR)/$(BINARY).elf
LIST := $(OBJDIR)/$(BINARY).list
BIN := $(BINARY).bin
HEX := $(BINARY).hex
all: bin list size
elf: $(ELF)
bin: $(BIN)
hex: $(HEX)
list: $(LIST)
ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif
$(OBJDIR):
mkdir $(OBJDIR)
$(STARTUP): $(INC_DIR)/startup/vector.c
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) $(ARCH_FLAGS) -o $@ -c $<
$(OBJDIR)/%.o: %.c
@echo " CC $<"
$(CC) $(CFLAGS) $(DEFS) $(INCLUDE) $(ARCH_FLAGS) -o $@ -c $<
#$(OBJDIR)/%.d: %.c $(OBJDIR)
# $(CC) -MM -MG $< | sed -e 's,^\([^:]*\)\.o[ ]*:,$(@D)/\1.o $(@D)/\1.d:,' >$@
$(BIN): $(ELF)
@echo " OBJCOPY $(BIN)"
$(OBJCOPY) -Obinary $(ELF) $(BIN)
$(HEX): $(ELF)
@echo " OBJCOPY $(HEX)"
$(OBJCOPY) -Oihex $(ELF) $(HEX)
$(LIST): $(ELF)
@echo " OBJDUMP $(LIST)"
$(OBJDUMP) -S $(ELF) > $(LIST)
$(ELF): $(OBJDIR) $(OBJS)
@echo " LD $(ELF)"
$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(ELF)
clean:
@echo " CLEAN"
$(RM) $(OBJS) $(DEPS) $(ELF) $(HEX) $(LIST) $(OBJDIR)/*.map
@rmdir $(OBJDIR) 2>/dev/null || true
size: $(ELF)
$(SIZE) -Ax $(ELF)
flash: $(BIN)
@echo " FLASH $(BIN)"
$(STFLASH) write $(BIN) 0x8000000
boot: $(BIN)
@echo " LOAD $(BIN) through bootloader"
$(STBOOT) -b$(BOOTSPEED) $(BOOTPORT) -w $(BIN)
openocd:
openocd -f openocd.cfg
dbg:
arm-none-eabi-gdb $(ELF) -ex 'target remote localhost:3333' -ex 'monitor reset halt'
.PHONY: clean flash boot size openocd dbg

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G0:G070,G0B1/blink/README Normal file
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Toggle LED on STM32G070-pill depending on user button:
- pressed - 'SOS' in Morze
- not pressed - blink with period of 1 second

BIN
G0:G070,G0B1/blink/blink.bin Executable file
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Binary file not shown.

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G0:G070,G0B1/blink/blink.cflags Normal file
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-std=c17

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G0:G070,G0B1/blink/blink.config Normal file
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#define EBUG
#define STM32G0
#define STM32G070xx

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G0:G070,G0B1/blink/blink.creator Normal file
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[General]

171
G0:G070,G0B1/blink/blink.creator.user Normal file
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1
G0:G070,G0B1/blink/blink.cxxflags Normal file
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-std=c++17

1
G0:G070,G0B1/blink/blink.files Normal file
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systick_blink.c

4
G0:G070,G0B1/blink/blink.includes Normal file
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.
../inc
../inc/Fx
../inc/cm

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G0:G070,G0B1/blink/openocd.cfg Normal file
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# script for stm32g0x family
#
# stm32g0 devices support SWD transports only.
#
source [find interface/stlink.cfg]
source [find target/swj-dp.tcl]
source [find mem_helper.tcl]
if { [info exists CHIPNAME] } {
set _CHIPNAME $CHIPNAME
} else {
set _CHIPNAME stm32g0x
}
set _ENDIAN little
# Work-area is a space in RAM used for flash programming
# Smallest proposed target has 8kB ram, use 4kB by default to avoid surprises
if { [info exists WORKAREASIZE] } {
set _WORKAREASIZE $WORKAREASIZE
} else {
set _WORKAREASIZE 0x1000
}
#jtag scan chain
if { [info exists CPUTAPID] } {
set _CPUTAPID $CPUTAPID
} else {
# Section 37.5.5 - corresponds to Cortex-M0+
set _CPUTAPID 0x0bc11477
}
swj_newdap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID
dap create $_CHIPNAME.dap -chain-position $_CHIPNAME.cpu
set _TARGETNAME $_CHIPNAME.cpu
target create $_TARGETNAME cortex_m -endian $_ENDIAN -dap $_CHIPNAME.dap
$_TARGETNAME configure -work-area-phys 0x20000000 -work-area-size $_WORKAREASIZE -work-area-backup 0
set _FLASHNAME $_CHIPNAME.flash
flash bank $_FLASHNAME stm32l4x 0 0 0 0 $_TARGETNAME
# reasonable default
adapter speed 2000
adapter srst delay 100
if {[using_jtag]} {
jtag_ntrst_delay 100
}
reset_config srst_nogate
if {![using_hla]} {
# if srst is not fitted use SYSRESETREQ to
# perform a soft reset
cortex_m reset_config sysresetreq
}
proc stm32g0x_default_reset_start {} {
# Reset clock is HSI16 (16 MHz)
adapter speed 2000
}
proc stm32g0x_default_examine_end {} {
# DBGMCU_CR |= DBG_STANDBY | DBG_STOP
mmw 0x40015804 0x00000006 0
# Stop watchdog counters during halt
# DBGMCU_APB1_FZ |= DBG_IWDG_STOP | DBG_WWDG_STOP
mmw 0x40015808 0x00001800 0
}
proc stm32g0x_default_reset_init {} {
# Increase clock to 64 Mhz
mmw 0x40022000 0x00000002 0x00000005 ;# FLASH_ACR: Latency = 2
mww 0x4002100C 0x30000802 ;# RCC_PLLCFGR = PLLR=/2, PLLN=8, PLLM=/1, PLLSRC=0x2
mmw 0x40021000 0x01000000 0x00000000 ;# RCC_CR |= PLLON
mmw 0x40021008 0x00000002 0x00000005 ;# RCC_CFGR: SW=PLLRCLK
# Boost JTAG frequency
adapter speed 4000
}
# Default hooks
$_TARGETNAME configure -event examine-end { stm32g0x_default_examine_end }
$_TARGETNAME configure -event reset-start { stm32g0x_default_reset_start }
$_TARGETNAME configure -event reset-init { stm32g0x_default_reset_init }

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G0:G070,G0B1/blink/systick_blink.c Normal file
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/*
* This file is part of the blink project.
* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.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 3 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 <http://www.gnu.org/licenses/>.
*/
#include "stm32g0.h"
// KEY (intpullup->0) - PC0
// LED - PC8
static volatile uint32_t blink_ctr = 0;
/* Called when systick fires */
void sys_tick_handler(void){
++blink_ctr;
}
/*
* Set up timer to fire every x milliseconds
*/
static void systick_setup(uint32_t xms){ // xms < 2098!!!
static uint32_t curms = 0;
if(curms == xms) return;
// 8MHz - HCLK/8
// this function also clears counter so it starts right away
SysTick_Config(8000 * xms); // arg should be < 0xffffff, so ms should be < 2098
curms = xms;
}
static void gpio_setup(void){
RCC->IOPENR = RCC_IOPENR_GPIOCEN; // enable PC
// set PC8 as opendrain output, PC0 is pullup input, other as default (AIN)
GPIOC->MODER = (0xffffffff & ~(GPIO_MODER_MODE8 | GPIO_MODER_MODE0)) | GPIO_MODER_MODER8_O;
GPIOC->PUPDR = GPIO_PUPDR0_PU; // pullup
GPIOC->OTYPER = GPIO_OTYPER_OT8; // open drain
}
static const uint32_t L[] = {125,100,125,100,125,200, 350,100,350,100,350,200, 125,100,125,100,125, 1000};
int main(void){
StartHSE();
gpio_setup();
systick_setup(500);
uint32_t M = 0;
int pressed = 0;
/* Do nothing in main loop */
while (1){
if(pin_read(GPIOC, 1<<0) == 0){ // key not pressed - 'sos'
pressed = 1;
systick_setup(L[M]);
if(M & 1) pin_set(GPIOC, 1<<8);
else pin_clear(GPIOC, 1<<8);
if(++M == 18) M = 0;
}else{ // key pressed - blink with period of 1s
if(pressed){
M = 0;
pressed = 0;
systick_setup(500);
}
if(blink_ctr & 1) pin_set(GPIOC, 1<<8);
else pin_clear(GPIOC, 1<<8);
}
}
}