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rogerclarkmelbournerogerclarkmelbourne
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Added experimental core for GD32F103 running at overclocked 120Mhz. Note. There is no USB Serial support at the moment in this core
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‎GD32F1/boards.txt‎

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# GD32 Boards
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menu.device_variant=Variant
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menu.bootloader_version=Bootloader version
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menu.upload_method=Upload method
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###################### Generic GD32F103C ########################################
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genericGD32F103C.name=Generic GD32F103C series
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genericGD32F103C.build.variant=generic_GD32f103c
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genericGD32F103C.build.vect=VECT_TAB_ADDR=0x8000000
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genericGD32F103C.build.core=maple
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genericGD32F103C.build.board=GENERIC_GD32F103C
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genericGD32F103C.upload.use_1200bps_touch=false
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genericGD32F103C.upload.file_type=bin
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genericGD32F103C.upload.auto_reset=true
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genericGD32F103C.build.cpu_flags=-DMCU_STM32F103CB
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genericGD32F103C.build.f_cpu=120000000L
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## GD32F103CB -------------------------
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genericGD32F103C.menu.device_variant.GD32F103CB=GD32F103CB (20k RAM. 128k Flash)
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genericGD32F103C.menu.device_variant.GD32F103CB.build.ldscript=ld/jtag.ld
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genericGD32F103C.menu.device_variant.GD32F103CB.upload.maximum_size=131072
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genericGD32F103C.menu.device_variant.GD32F103CB.upload.ram.maximum_size=20480
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genericGD32F103C.menu.device_variant.GD32F103CB.upload.flash.maximum_size=131072
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## GD32F103C8 -------------------------
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genericGD32F103C.menu.device_variant.GD32F103C8=GD32F103C8 (20k RAM. 64k Flash)
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genericGD32F103C.menu.device_variant.GD32F103C8.build.ldscript=ld/jtag_c8.ld
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genericGD32F103C.menu.device_variant.GD32F103C8.upload.maximum_size=65536
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genericGD32F103C.menu.device_variant.GD32F103C8.upload.ram.maximum_size=20480
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genericGD32F103C.menu.device_variant.GD32F103C8.upload.flash.maximum_size=65536
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#---------------------------- UPLOAD METHODS ---------------------------
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genericGD32F103C.menu.upload_method.DFUUploadMethod=GD32duino bootloader
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genericGD32F103C.menu.upload_method.DFUUploadMethod.upload.protocol=maple_dfu
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genericGD32F103C.menu.upload_method.DFUUploadMethod.upload.tool=maple_upload
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genericGD32F103C.menu.upload_method.DFUUploadMethod.build.upload_flags=-DSERIAL_USB -DGENERIC_BOOTLOADER
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genericGD32F103C.menu.upload_method.DFUUploadMethod.build.vect=VECT_TAB_ADDR=0x8002000
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genericGD32F103C.menu.upload_method.DFUUploadMethod.build.ldscript=ld/bootloader_20.ld
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genericGD32F103C.menu.upload_method.DFUUploadMethod.upload.usbID=1EAF:0003
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genericGD32F103C.menu.upload_method.DFUUploadMethod.upload.altID=2
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genericGD32F103C.menu.upload_method.serialMethod=Serial
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genericGD32F103C.menu.upload_method.serialMethod.upload.protocol=maple_serial
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genericGD32F103C.menu.upload_method.serialMethod.upload.tool=serial_upload
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genericGD32F103C.menu.upload_method.STLinkMethod=STLink
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genericGD32F103C.menu.upload_method.STLinkMethod.upload.protocol=STLink
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genericGD32F103C.menu.upload_method.STLinkMethod.upload.tool=stlink_upload
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genericGD32F103C.menu.upload_method.STLinkMethod.build.upload_flags=-DCONFIG_MAPLE_MINI_NO_DISABLE_DEBUG=1 -DSERIAL_USB -DGENERIC_BOOTLOADER
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genericGD32F103C.menu.upload_method.BMPMethod=BMP (Black Magic Probe)
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genericGD32F103C.menu.upload_method.BMPMethod.upload.protocol=gdb_bmp
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genericGD32F103C.menu.upload_method.BMPMethod.upload.tool=bmp_upload
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genericGD32F103C.menu.upload_method.BMPMethod.build.upload_flags=-DCONFIG_MAPLE_MINI_NO_DISABLE_DEBUG
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‎GD32F1/cores/maple/Arduino.h‎

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/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2010 LeafLabs LLC.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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#ifndef _WIRISH_WPROGRAM_H_
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#define _WIRISH_WPROGRAM_H_
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#include "wirish.h"
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void setup();
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void loop();
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#ifdef __cplusplus
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extern "C"{
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#endif // __cplusplus
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void yield(void);
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#include "variant.h"
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#endif

‎GD32F1/cores/maple/HardwareSerial.cpp‎

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/******************************************************************************
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* The MIT License
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*
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* Copyright (c) 2010 Perry Hung.
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* Copyright (c) 2011, 2012 LeafLabs, LLC.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*****************************************************************************/
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/**
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* @file wirish/HardwareSerial.cpp
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* @brief Wirish serial port implementation.
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*/
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#include "HardwareSerial.h"
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#include <libmaple/libmaple.h>
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#include <libmaple/gpio.h>
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#include <libmaple/timer.h>
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#include <libmaple/usart.h>
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#if 0
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#define DEFINE_HWSERIAL(name, n) \
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HardwareSerial name(USART##n, \
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BOARD_USART##n##_TX_PIN, \
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BOARD_USART##n##_RX_PIN)
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#define DEFINE_HWSERIAL_UART(name, n) \
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HardwareSerial name(UART##n, \
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BOARD_USART##n##_TX_PIN, \
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BOARD_USART##n##_RX_PIN)
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#ifdef SERIAL_USB
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#if BOARD_HAVE_USART1
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DEFINE_HWSERIAL(Serial1, 1);
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#endif
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#if BOARD_HAVE_USART2
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DEFINE_HWSERIAL(Serial2, 2);
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#endif
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#if BOARD_HAVE_USART3
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DEFINE_HWSERIAL(Serial3, 3);
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#endif
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#if BOARD_HAVE_UART4
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DEFINE_HWSERIAL_UART(Serial4, 4);
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#endif
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#if BOARD_HAVE_UART5
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DEFINE_HWSERIAL_UART(Serial5, 5);
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#endif
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#if BOARD_HAVE_USART6
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DEFINE_HWSERIAL_UART(Serial6, 6);
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#endif
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#else
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#if BOARD_HAVE_USART1
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DEFINE_HWSERIAL(Serial, 1);
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#endif
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#if BOARD_HAVE_USART2
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DEFINE_HWSERIAL(Serial1, 2);
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#endif
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#if BOARD_HAVE_USART3
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DEFINE_HWSERIAL(Serial2, 3);
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#endif
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#if BOARD_HAVE_UART4
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DEFINE_HWSERIAL_UART(Serial3, 4);
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#endif
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#if BOARD_HAVE_UART5
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DEFINE_HWSERIAL_UART(Serial4, 5);
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#endif
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#if BOARD_HAVE_USART6
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DEFINE_HWSERIAL_UART(Serial5, 6);
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#endif
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#endif
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#endif
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HardwareSerial::HardwareSerial(usart_dev *usart_device,
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uint8 tx_pin,
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uint8 rx_pin) {
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this->usart_device = usart_device;
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this->tx_pin = tx_pin;
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this->rx_pin = rx_pin;
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}
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/*
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* Set up/tear down
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*/
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#if STM32_MCU_SERIES == STM32_SERIES_F1
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/* F1 MCUs have no GPIO_AFR[HL], so turn off PWM if there's a conflict
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* on this GPIO bit. */
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static void disable_timer_if_necessary(timer_dev *dev, uint8 ch) {
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if (dev != NULL) {
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timer_set_mode(dev, ch, TIMER_DISABLED);
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}
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}
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#elif (STM32_MCU_SERIES == STM32_SERIES_F2) || \
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(STM32_MCU_SERIES == STM32_SERIES_F4)
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#define disable_timer_if_necessary(dev, ch) ((void)0)
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#else
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#warning "Unsupported STM32 series; timer conflicts are possible"
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#endif
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void HardwareSerial::begin(uint32 baud)
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{
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begin(baud,SERIAL_8N1);
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}
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/*
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* Roger Clark.
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* Note. The config parameter is not currently used. This is a work in progress.
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* Code needs to be written to set the config of the hardware serial control register in question.
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*
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*/
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void HardwareSerial::begin(uint32 baud, uint8_t config)
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{
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// ASSERT(baud <= this->usart_device->max_baud);// Roger Clark. Assert doesn't do anything useful, we may as well save the space in flash and ram etc
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if (baud > this->usart_device->max_baud) {
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return;
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}
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const stm32_pin_info *txi = &PIN_MAP[this->tx_pin];
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const stm32_pin_info *rxi = &PIN_MAP[this->rx_pin];
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disable_timer_if_necessary(txi->timer_device, txi->timer_channel);
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usart_config_gpios_async(this->usart_device,
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rxi->gpio_device, rxi->gpio_bit,
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txi->gpio_device, txi->gpio_bit,
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config);
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usart_init(this->usart_device);
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usart_set_baud_rate(this->usart_device, USART_USE_PCLK, baud);
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usart_enable(this->usart_device);
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}
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void HardwareSerial::end(void) {
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usart_disable(this->usart_device);
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}
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/*
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* I/O
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*/
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int HardwareSerial::read(void) {
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// Block until a byte becomes available, to save user confusion.
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while (!this->available())
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;
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return usart_getc(this->usart_device);
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}
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int HardwareSerial::available(void) {
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return usart_data_available(this->usart_device);
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}
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/* Roger Clark. Added function missing from LibMaple code */
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int HardwareSerial::peek(void)
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{
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return usart_peek(this->usart_device);
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}
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int HardwareSerial::availableForWrite(void)
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{
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/* Roger Clark.
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* Currently there isn't an output ring buffer, chars are sent straight to the hardware.
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* so just return 1, meaning that 1 char can be written
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* This will be slower than a ring buffer implementation, but it should at least work !
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*/
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return 1;
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}
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size_t HardwareSerial::write(unsigned char ch) {
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usart_putc(this->usart_device, ch);
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return 1;
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}
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void HardwareSerial::flush(void) {
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usart_reset_rx(this->usart_device);
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}

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