generic: Create generic board infrastructure and move misc.h to it
Instead of creating a misc.h file in each board directory, create a generic board directory and declare misc.h there. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
parent
ff789058df
commit
9971f999b3
6
Makefile
6
Makefile
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@ -26,13 +26,13 @@ PYTHON=python
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# Source files
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src-y=sched.c command.c stepper.c basecmd.c gpiocmds.c spicmds.c endstop.c
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DIRS=src src/avr src/simulator lib/pjrc_usb_serial
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DIRS=src src/avr src/simulator src/generic lib/pjrc_usb_serial
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# Default compiler flags
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cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
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; then echo "$(2)"; else echo "$(3)"; fi ;)
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CFLAGS-y := -I$(OUT) -Isrc -Os -MD -g \
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CFLAGS-y := -I$(OUT) -Isrc -I$(OUT)board-generic/ -Os -MD -g \
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-Wall -Wold-style-definition $(call cc-option,$(CC),-Wtype-limits,) \
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-ffunction-sections -fdata-sections
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CFLAGS-y += -flto -fwhole-program
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@ -72,6 +72,8 @@ $(OUT)board-link: $(KCONFIG_CONFIG)
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@echo " Creating symbolic link $(OUT)board"
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$(Q)touch $@
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$(Q)ln -Tsf $(PWD)/src/$(CONFIG_BOARD_DIRECTORY) $(OUT)board
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$(Q)mkdir -p $(OUT)board-generic
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$(Q)ln -Tsf $(PWD)/src/generic $(OUT)board-generic/board
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$(OUT)declfunc.lds: src/declfunc.lds.S
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@echo " Precompiling $@"
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@ -7,7 +7,7 @@ CFLAGS-y += -mmcu=$(CONFIG_MCU) -DF_CPU=$(CONFIG_CLOCK_FREQ)
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LDFLAGS-y += -Wl,--relax
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# Add avr source files
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src-y += avr/main.c avr/timer.c avr/gpio.c avr/alloc.c
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src-y += avr/main.c avr/timer.c avr/gpio.c avr/misc.c
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src-$(CONFIG_AVR_WATCHDOG) += avr/watchdog.c
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src-$(CONFIG_AVR_USBSERIAL) += avr/usbserial.c ../lib/pjrc_usb_serial/usb_serial.c
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src-$(CONFIG_AVR_SERIAL) += avr/serial.c
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@ -1,4 +1,4 @@
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// AVR allocation checking code.
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// AVR miscellaneous platform code
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//
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// Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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//
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@ -6,10 +6,22 @@
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#include <avr/io.h> // AVR_STACK_POINTER_REG
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#include <stdlib.h> // __malloc_heap_end
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#include <util/crc16.h> // _crc_ccitt_update
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#include "autoconf.h" // CONFIG_AVR_STACK_SIZE
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#include "board/misc.h" // alloc_maxsize
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#include "compiler.h" // ALIGN
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#include "misc.h" // alloc_maxsize
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// Optimized crc16_ccitt for the avr processor
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uint16_t
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crc16_ccitt(char *buf, uint8_t len)
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{
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uint16_t crc = 0xFFFF;
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while (len--)
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crc = _crc_ccitt_update(crc, *buf++);
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return crc;
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}
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// Return the maximum allocation size that can succeed up to 'reqsize'
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size_t
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alloc_maxsize(size_t reqsize)
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{
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@ -1,25 +0,0 @@
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#ifndef __AVR_MISC_H
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#define __AVR_MISC_H
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#include <stdint.h>
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#include <util/crc16.h>
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// alloc.c
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size_t alloc_maxsize(size_t reqsize);
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// console.c
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char *console_get_input(uint8_t *plen);
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void console_pop_input(uint8_t len);
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char *console_get_output(uint8_t len);
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void console_push_output(uint8_t len);
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// Optimized crc16_ccitt for the avr processor
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#define HAVE_OPTIMIZED_CRC 1
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static inline uint16_t _crc16_ccitt(char *buf, uint8_t len) {
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uint16_t crc = 0xFFFF;
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while (len--)
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crc = _crc_ccitt_update(crc, *buf++);
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return crc;
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}
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#endif // misc.h
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@ -7,9 +7,9 @@
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#include <avr/interrupt.h> // USART0_RX_vect
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#include <string.h> // memmove
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#include "autoconf.h" // CONFIG_SERIAL_BAUD
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#include "board/misc.h" // console_get_input
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#include "sched.h" // DECL_INIT
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#include "irq.h" // irq_save
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#include "misc.h" // console_get_input
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#define SERIAL_BUFFER_SIZE 96
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static char receive_buf[SERIAL_BUFFER_SIZE];
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@ -10,7 +10,7 @@
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#include <stdlib.h> // strtod
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#include <string.h> // strcasecmp
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#include "board/irq.h" // irq_disable
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#include "board/misc.h" // HAVE_OPTIMIZED_CRC
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#include "board/misc.h" // crc16_ccitt
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#include "board/pgm.h" // READP
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#include "command.h" // output_P
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#include "sched.h" // DECL_TASK
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@ -35,23 +35,6 @@ static uint8_t next_sequence = MESSAGE_DEST;
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* Binary message parsing
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****************************************************************/
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// Implement the standard crc "ccitt" algorithm on the given buffer
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static uint16_t
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crc16_ccitt(char *buf, uint8_t len)
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{
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if (HAVE_OPTIMIZED_CRC)
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return _crc16_ccitt(buf, len);
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uint16_t crc = 0xffff;
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while (len--) {
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uint8_t data = *buf++;
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data ^= crc & 0xff;
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data ^= data << 4;
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crc = ((((uint16_t)data << 8) | (crc >> 8)) ^ (uint8_t)(data >> 4)
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^ ((uint16_t)data << 3));
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}
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return crc;
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}
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// Encode an integer as a variable length quantity (vlq)
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static char *
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encode_int(char *p, uint32_t v)
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@ -0,0 +1,13 @@
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// Dummy implementation for alloc commands
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//
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// Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "misc.h"
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// Return the maximum allocation size that can succeed up to 'reqsize'
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size_t alloc_maxsize(size_t reqsize)
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{
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return reqsize;
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}
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@ -0,0 +1,22 @@
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// Code for crc16_ccitt
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//
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// Copyright (C) 2016 Kevin O'Connor <kevin@koconnor.net>
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//
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// This file may be distributed under the terms of the GNU GPLv3 license.
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#include "misc.h" // crc16_ccitt
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// Implement the standard crc "ccitt" algorithm on the given buffer
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uint16_t
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crc16_ccitt(char *buf, uint8_t len)
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{
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uint16_t crc = 0xffff;
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while (len--) {
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uint8_t data = *buf++;
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data ^= crc & 0xff;
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data ^= data << 4;
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crc = ((((uint16_t)data << 8) | (crc >> 8)) ^ (uint8_t)(data >> 4)
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^ ((uint16_t)data << 3));
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}
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return crc;
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}
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@ -0,0 +1,16 @@
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#ifndef __GENERIC_MISC_H
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#define __GENERIC_MISC_H
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#include <stddef.h> // size_t
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#include <stdint.h> // uint8_t
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char *console_get_input(uint8_t *plen);
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void console_pop_input(uint8_t len);
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char *console_get_output(uint8_t len);
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void console_push_output(uint8_t len);
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size_t alloc_maxsize(size_t reqsize);
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uint16_t crc16_ccitt(char *buf, uint8_t len);
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#endif // misc.h
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@ -1,3 +1,4 @@
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# Additional simulator build rules
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src-y += simulator/main.c simulator/gpio.c
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src-y += generic/crc16_ccitt.c generic/alloc.c
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@ -1,21 +0,0 @@
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#ifndef __SIMU_MISC_H
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#define __SIMU_MISC_H
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#include <stdint.h>
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// main.c
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char *console_get_input(uint8_t *plen);
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void console_pop_input(uint8_t len);
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char *console_get_output(uint8_t len);
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void console_push_output(uint8_t len);
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static inline size_t alloc_maxsize(size_t reqsize) {
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return reqsize;
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}
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#define HAVE_OPTIMIZED_CRC 0
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static inline uint16_t _crc16_ccitt(char *buf, uint8_t len) {
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return 0;
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}
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#endif // misc.h
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