diff options
Diffstat (limited to 'buildroot/share/PlatformIO/variants/MEEB_3DP')
23 files changed, 1416 insertions, 0 deletions
diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/board.cpp b/buildroot/share/PlatformIO/variants/MEEB_3DP/board.cpp new file mode 100644 index 0000000..5ddeb1f --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/board.cpp @@ -0,0 +1,161 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2011 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file wirish/boards/maple/board.cpp + * @author Marti Bolivar <mbolivar@leaflabs.com> + * @brief Maple board file. + */ + +#include <board/board.h> // For this board's header file + + +/* Roger Clark. Added next to includes for changes to Serial */ +#include <libmaple/usart.h> +#include <HardwareSerial.h> + +#include <wirish_types.h> // For stm32_pin_info and its contents + // (these go into PIN_MAP). + +#include "boards_private.h" // For PMAP_ROW(), which makes + // PIN_MAP easier to read. + +// boardInit(): nothing special to do for Maple. +// +// When defining your own board.cpp, you can put extra code in this +// function if you have anything you want done on reset, before main() +// or setup() are called. +// +// If there's nothing special you need done, feel free to leave this +// function out, as we do here. + +void boardInit(void) { + // afio_remap(AFIO_REMAP_I2C1); +} + +// Pin map: this lets the basic I/O functions (digitalWrite(), +// analogRead(), pwmWrite()) translate from pin numbers to STM32 +// peripherals. +// +// PMAP_ROW() lets us specify a row (really a struct stm32_pin_info) +// in the pin map. Its arguments are: +// +// - GPIO device for the pin (&gpioa, etc.) +// - GPIO bit for the pin (0 through 15) +// - Timer device, or NULL if none +// - Timer channel (1 to 4, for PWM), or 0 if none +// - ADC device, or NULL if none +// - ADC channel, or ADCx if none + +extern const stm32_pin_info PIN_MAP[BOARD_NR_GPIO_PINS] = { + /* + gpio_dev *gpio_device; GPIO device + timer_dev *timer_device; Pin's timer device, if any. + const adc_dev *adc_device; ADC device, if any. + uint8 gpio_bit; Pin's GPIO port bit. + uint8 timer_channel; Timer channel, or 0 if none. + uint8 adc_channel; Pin ADC channel, or ADCx if none. + */ + + {&gpioa, &timer2, &adc1, 0, 1, 0}, /* PA0 */ + {&gpioa, &timer2, &adc1, 1, 2, 1}, /* PA1 */ + {&gpioa, &timer2, &adc1, 2, 3, 2}, /* PA2 */ + {&gpioa, &timer2, &adc1, 3, 4, 3}, /* PA3 */ + {&gpioa, NULL, &adc1, 4, 0, 4}, /* PA4 */ + {&gpioa, NULL, &adc1, 5, 0, 5}, /* PA5 */ + {&gpioa, &timer3, &adc1, 6, 1, 6}, /* PA6 */ + {&gpioa, &timer3, &adc1, 7, 2, 7}, /* PA7 */ + {&gpioa, &timer1, NULL, 8, 1, ADCx}, /* PA8 */ + {&gpioa, &timer1, NULL, 9, 2, ADCx}, /* PA9 */ + {&gpioa, &timer1, NULL, 10, 3, ADCx}, /* PA10 */ + {&gpioa, NULL, NULL, 11, 0, ADCx}, /* PA11 */ + {&gpioa, NULL, NULL, 12, 0, ADCx}, /* PA12 */ + {&gpioa, NULL, NULL, 13, 0, ADCx}, /* PA13 */ + {&gpioa, NULL, NULL, 14, 0, ADCx}, /* PA14 */ + {&gpioa, NULL, NULL, 15, 0, ADCx}, /* PA15 */ + + {&gpiob, &timer3, &adc1, 0, 3, 8}, /* PB0 */ + {&gpiob, &timer3, &adc1, 1, 4, 9}, /* PB1 */ + {&gpiob, NULL, NULL, 2, 0, ADCx}, /* PB2 */ + {&gpiob, NULL, NULL, 3, 0, ADCx}, /* PB3 */ + {&gpiob, NULL, NULL, 4, 0, ADCx}, /* PB4 */ + {&gpiob, NULL, NULL, 5, 0, ADCx}, /* PB5 */ + {&gpiob, &timer4, NULL, 6, 1, ADCx}, /* PB6 */ + {&gpiob, &timer4, NULL, 7, 2, ADCx}, /* PB7 */ + {&gpiob, &timer4, NULL, 8, 3, ADCx}, /* PB8 */ + {&gpiob, NULL, NULL, 9, 0, ADCx}, /* PB9 */ + {&gpiob, NULL, NULL, 10, 0, ADCx}, /* PB10 */ + {&gpiob, NULL, NULL, 11, 0, ADCx}, /* PB11 */ + {&gpiob, NULL, NULL, 12, 0, ADCx}, /* PB12 */ + {&gpiob, NULL, NULL, 13, 0, ADCx}, /* PB13 */ + {&gpiob, NULL, NULL, 14, 0, ADCx}, /* PB14 */ + {&gpiob, NULL, NULL, 15, 0, ADCx}, /* PB15 */ + + + {&gpioc, NULL, &adc1, 0, 0, 10}, /* PC0 */ + {&gpioc, NULL, &adc1, 1, 0, 11}, /* PC1 */ + {&gpioc, NULL, &adc1, 2, 0, 12}, /* PC2 */ + {&gpioc, NULL, &adc1, 3, 0, 13}, /* PC3 */ + {&gpioc, NULL, &adc1, 4, 0, 14}, /* PC4 */ + {&gpioc, NULL, &adc1, 5, 0, 15}, /* PC5 */ + {&gpioc, &timer8, NULL, 6, 1, ADCx}, /* PC6 */ + {&gpioc, &timer8, NULL, 7, 2, ADCx}, /* PC7 */ + {&gpioc, &timer8, NULL, 8, 3, ADCx}, /* PC8 */ + {&gpioc, &timer8, NULL, 9, 4, ADCx}, /* PC9 */ + {&gpioc, NULL, NULL, 10, 0, ADCx}, /* PC10 UART4_TX/SDIO_D2 */ + {&gpioc, NULL, NULL, 11, 0, ADCx}, /* PC11 UART4_RX/SDIO_D3 */ + {&gpioc, NULL, NULL, 12, 0, ADCx}, /* PC12 UART5_TX/SDIO_CK */ + {&gpioc, NULL, NULL, 13, 0, ADCx}, /* PC13 TAMPER-RTC */ + {&gpioc, NULL, NULL, 14, 0, ADCx}, /* PC14 OSC32_IN */ + {&gpioc, NULL, NULL, 15, 0, ADCx}, /* PC15 OSC32_OUT */ + + {&gpiod, NULL, NULL, 0, 0, ADCx} , /* PD0 OSC_IN */ + {&gpiod, NULL, NULL, 1, 0, ADCx} , /* PD1 OSC_OUT */ + {&gpiod, NULL, NULL, 2, 0, ADCx} , /* PD2 TIM3_ETR/UART5_RX SDIO_CMD */ +}; + +/* Basically everything that is defined as having a timer us PWM */ +extern const uint8 boardPWMPins[BOARD_NR_PWM_PINS] __FLASH__ = { + PA0,PA1,PA2,PA3,PA6,PA7,PA8,PA9,PA10,PB0,PB1,PB6,PB7,PB8,PB9,PC6,PC7,PC8,PC9 +}; + +/* Basically everything that is defined having ADC */ +extern const uint8 boardADCPins[BOARD_NR_ADC_PINS] __FLASH__ = { + PA0,PA1,PA2,PA3,PA4,PA5,PA6,PA7,PB0,PB1,PC0,PC1,PC2,PC3,PC4,PC5 +}; + +/* not sure what this us used for */ +extern const uint8 boardUsedPins[BOARD_NR_USED_PINS] __FLASH__ = { + BOARD_JTMS_SWDIO_PIN, + BOARD_JTCK_SWCLK_PIN, BOARD_JTDI_PIN, BOARD_JTDO_PIN, BOARD_NJTRST_PIN +}; + +DEFINE_HWSERIAL(Serial1, 1); +DEFINE_HWSERIAL(Serial2, 2); +DEFINE_HWSERIAL(Serial3, 3); +DEFINE_HWSERIAL_UART(Serial4, 4); +DEFINE_HWSERIAL_UART(Serial5, 5); + diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/board/board.h b/buildroot/share/PlatformIO/variants/MEEB_3DP/board/board.h new file mode 100644 index 0000000..da9ffd8 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/board/board.h @@ -0,0 +1,125 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2011 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file maple_RET6.h + * @author Marti Bolivar <mbolivar@leaflabs.com> + * @brief Private include file for Maple RET6 Edition in boards.h + * + * See maple.h for more information on these definitions. + */ + +#ifndef _BOARDS_GENERIC_STM32F103R_H_ +#define _BOARDS_GENERIC_STM32F103R_H_ + +/* A few of these values will seem strange given that it's a + * high-density board. */ + +#define CYCLES_PER_MICROSECOND 72 +#define SYSTICK_RELOAD_VAL (F_CPU/1000) - 1 /* takes a cycle to reload */ + +// USARTS +#define BOARD_NR_USARTS 5 +#define BOARD_USART1_TX_PIN PA9 +#define BOARD_USART1_RX_PIN PA10 + +#define BOARD_USART2_TX_PIN PA2 +#define BOARD_USART2_RX_PIN PA3 + +#define BOARD_USART3_TX_PIN PB10 +#define BOARD_USART3_RX_PIN PB11 + +#define BOARD_USART4_TX_PIN PC10 +#define BOARD_USART4_RX_PIN PC11 + +#define BOARD_USART5_TX_PIN PC12 +#define BOARD_USART5_RX_PIN PD2 + +/* Note: + * + * SPI3 is unusable due to pin 43 (PB4) and NRST tie-together :(, but + * leave the definitions so as not to clutter things up. This is only + * OK since RET6 Ed. is specifically advertised as a beta board. */ +#define BOARD_NR_SPI 3 +#define BOARD_SPI1_NSS_PIN PA4 +#define BOARD_SPI1_SCK_PIN PA5 +#define BOARD_SPI1_MISO_PIN PA6 +#define BOARD_SPI1_MOSI_PIN PA7 + + + +#define BOARD_SPI2_NSS_PIN PB12 +#define BOARD_SPI2_SCK_PIN PB13 +#define BOARD_SPI2_MISO_PIN PB14 +#define BOARD_SPI2_MOSI_PIN PB15 + + +#define BOARD_SPI3_NSS_PIN PA15 +#define BOARD_SPI3_SCK_PIN PB3 +#define BOARD_SPI3_MISO_PIN PB4 +#define BOARD_SPI3_MOSI_PIN PB5 + + +/* GPIO A to E = 5 * 16 - BOOT1 not used = 79*/ +#define BOARD_NR_GPIO_PINS 51 +/* Note: NOT 19. The missing one is D38 a.k.a. BOARD_BUTTON_PIN, which + * isn't broken out to a header and is thus unusable for PWM. */ +#define BOARD_NR_PWM_PINS 19 +#define BOARD_NR_ADC_PINS 16 +#define BOARD_NR_USED_PINS 7 + +#define BOARD_JTMS_SWDIO_PIN 39 +#define BOARD_JTCK_SWCLK_PIN 40 +#define BOARD_JTDI_PIN 41 +#define BOARD_JTDO_PIN 42 +#define BOARD_NJTRST_PIN 43 + +/* USB configuration. BOARD_USB_DISC_DEV is the GPIO port containing + * the USB_DISC pin, and BOARD_USB_DISC_BIT is that pin's bit. */ +#define BOARD_USB_DISC_DEV GPIOC +#define BOARD_USB_DISC_BIT 12 + +/* + * SDIO Pins + */ +#define BOARD_SDIO_D0 PC8 +#define BOARD_SDIO_D1 PC9 +#define BOARD_SDIO_D2 PC10 +#define BOARD_SDIO_D3 PC11 +#define BOARD_SDIO_CLK PC12 +#define BOARD_SDIO_CMD PD2 + +/* Pin aliases: these give the GPIO port/bit for each pin as an + * enum. These are optional, but recommended. They make it easier to + * write code using low-level GPIO functionality. */ +enum { +PA0,PA1,PA2,PA3,PA4,PA5,PA6,PA7,PA8,PA9,PA10,PA11,PA12,PA13,PA14,PA15, +PB0,PB1,PB2,PB3,PB4,PB5,PB6,PB7,PB8,PB9,PB10,PB11,PB12,PB13,PB14,PB15, +PC0,PC1,PC2,PC3,PC4,PC5,PC6,PC7,PC8,PC9,PC10,PC11,PC12,PC13,PC14,PC15, +PD0,PD1,PD2 +};/* Note PB2 is skipped as this is Boot1 and is not going to be much use as its likely to be pulled permanently low */ + +#endif diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/bootloader.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/bootloader.ld new file mode 100644 index 0000000..ca56532 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/bootloader.ld @@ -0,0 +1,18 @@ +/* + * Linker script for Generic STM32F103RE boards, using the generic bootloader (which takes the lower 8k of memory) + */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K + rom (rx) : ORIGIN = 0x08002000, LENGTH = 504K +} + + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/common.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/common.inc new file mode 100644 index 0000000..e086a58 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/common.inc @@ -0,0 +1,220 @@ +/* + * Linker script for libmaple. + * + * Original author "lanchon" from ST forums, with modifications by LeafLabs. + */ + +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +/* + * Configure other libraries we want in the link. + * + * libgcc, libc, and libm are common across supported toolchains. + * However, some toolchains require additional archives which aren't + * present everywhere (e.g. ARM's gcc-arm-embedded releases). + * + * To hack around this, we let the build system specify additional + * archives by putting the right extra_libs.inc (in a directory under + * toolchains/) in our search path. + */ +GROUP(libgcc.a libc.a libm.a) +INCLUDE extra_libs.inc + +/* + * These force the linker to search for vector table symbols. + * + * These symbols vary by STM32 family (and also within families). + * It's up to the build system to configure the link's search path + * properly for the target MCU. + */ +INCLUDE vector_symbols.inc + +/* STM32 vector table. */ +EXTERN(__stm32_vector_table) + +/* C runtime initialization function. */ +EXTERN(start_c) + +/* main entry point */ +EXTERN(main) + +/* Initial stack pointer value. */ +EXTERN(__msp_init) +PROVIDE(__msp_init = ORIGIN(ram) + LENGTH(ram)); + +/* Reset vector and chip reset entry point */ +EXTERN(__start__) +ENTRY(__start__) +PROVIDE(__exc_reset = __start__); + +/* Heap boundaries, for libmaple */ +EXTERN(_lm_heap_start); +EXTERN(_lm_heap_end); + +SECTIONS +{ + .text : + { + __text_start__ = .; + /* + * STM32 vector table. Leave this here. Yes, really. + */ + *(.stm32.interrupt_vector) + + /* + * Program code and vague linking + */ + *(.text .text.* .gnu.linkonce.t.*) + *(.plt) + *(.gnu.warning) + *(.glue_7t) *(.glue_7) *(.vfp11_veneer) + + *(.ARM.extab* .gnu.linkonce.armextab.*) + *(.gcc_except_table) + *(.eh_frame_hdr) + *(.eh_frame) + + . = ALIGN(4); + KEEP(*(.init)) + + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(0x4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + } > REGION_TEXT + + /* + * End of text + */ + .text.align : + { + . = ALIGN(8); + __text_end__ = .; + } > REGION_TEXT + + /* + * .ARM.exidx exception unwinding; mandated by ARM's C++ ABI + */ + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > REGION_RODATA + __exidx_end = .; + + /* + * .data + */ + .data : + { + __data_start__ = .; + LONG(0) + . = ALIGN(8); + + *(.got.plt) *(.got) + *(.data .data.* .gnu.linkonce.d.*) + + . = ALIGN(8); + __data_end__ = .; + } > REGION_DATA AT> REGION_RODATA + + /* + * Read-only data + */ + .rodata : + { + *(.rodata .rodata.* .gnu.linkonce.r.*) + /* .USER_FLASH: We allow users to allocate into Flash here */ + *(.USER_FLASH) + /* ROM image configuration; for C startup */ + . = ALIGN(4); + _lm_rom_img_cfgp = .; + LONG(LOADADDR(.data)); + /* + * Heap: Linker scripts may choose a custom heap by overriding + * _lm_heap_start and _lm_heap_end. Otherwise, the heap is in + * internal SRAM, beginning after .bss, and growing towards + * the stack. + * + * I'm shoving these here naively; there's probably a cleaner way + * to go about this. [mbolivar] + */ + _lm_heap_start = DEFINED(_lm_heap_start) ? _lm_heap_start : _end; + _lm_heap_end = DEFINED(_lm_heap_end) ? _lm_heap_end : __msp_init; + } > REGION_RODATA + + /* + * .bss + */ + .bss : + { + . = ALIGN(8); + __bss_start__ = .; + *(.bss .bss.* .gnu.linkonce.b.*) + *(COMMON) + . = ALIGN (8); + __bss_end__ = .; + _end = __bss_end__; + } > REGION_BSS + + /* + * Debugging sections + */ + .stab 0 (NOLOAD) : { *(.stab) } + .stabstr 0 (NOLOAD) : { *(.stabstr) } + /* DWARF debug sections. + * Symbols in the DWARF debugging sections are relative to the beginning + * of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } + + .note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) } + .ARM.attributes 0 : { KEEP (*(.ARM.attributes)) } + /DISCARD/ : { *(.note.GNU-stack) } +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/extra_libs.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/extra_libs.inc new file mode 100644 index 0000000..dd2c84f --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/extra_libs.inc @@ -0,0 +1,7 @@ +/* + * Extra archives needed by ARM's GCC ARM Embedded arm-none-eabi- + * releases (https://launchpad.net/gcc-arm-embedded/). + */ + +/* This is for the provided newlib. */ +GROUP(libnosys.a) diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/flash.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/flash.ld new file mode 100644 index 0000000..9e250cd --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/flash.ld @@ -0,0 +1,26 @@ +/* + * libmaple linker script for "Flash" builds. + * + * A Flash build puts .text (and .rodata) in Flash, and + * .data/.bss/heap (of course) in SRAM, but offsets the sections by + * enough space to store the Maple bootloader, which lives in low + * Flash and uses low memory. + */ + +/* + * This pulls in the appropriate MEMORY declaration from the right + * subdirectory of stm32/mem/ (the environment must call ld with the + * right include directory flags to make this happen). Boards can also + * use this file to use any of libmaple's memory-related hooks (like + * where the heap should live). + */ +INCLUDE mem-flash.inc + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/jtag.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/jtag.ld new file mode 100644 index 0000000..0612f95 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/jtag.ld @@ -0,0 +1,31 @@ +/* + * libmaple linker script for "JTAG" builds. + * + * A "JTAG" build puts .text (and .rodata) in Flash, and + * .data/.bss/heap (of course) in SRAM, but links starting at the + * Flash and SRAM starting addresses (0x08000000 and 0x20000000 + * respectively). This will wipe out a Maple bootloader if there's one + * on the board, so only use this if you know what you're doing. + * + * Of course, a "JTAG" build is perfectly usable for upload over SWD, + * the system memory bootloader, etc. The name is just a historical + * artifact. + */ + +/* + * This pulls in the appropriate MEMORY declaration from the right + * subdirectory of stm32/mem/ (the environment must call ld with the + * right include directory flags to make this happen). Boards can also + * use this file to use any of libmaple's memory-related hooks (like + * where the heap should live). + */ +INCLUDE mem-jtag.inc + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-flash.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-flash.inc new file mode 100644 index 0000000..ddb8876 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-flash.inc @@ -0,0 +1,5 @@ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 61K + rom (rx) : ORIGIN = 0x08005000, LENGTH = 492K +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-jtag.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-jtag.inc new file mode 100644 index 0000000..d3ed992 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-jtag.inc @@ -0,0 +1,5 @@ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K + rom (rx) : ORIGIN = 0x08000000, LENGTH = 512K +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-ram.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-ram.inc new file mode 100644 index 0000000..360beaf --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/mem-ram.inc @@ -0,0 +1,5 @@ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000C00, LENGTH = 61K + rom (rx) : ORIGIN = 0x08005000, LENGTH = 0K +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/ram.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/ram.ld new file mode 100644 index 0000000..34b468e --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/ram.ld @@ -0,0 +1,25 @@ +/* + * libmaple linker script for RAM builds. + * + * A Flash build puts .text, .rodata, and .data/.bss/heap (of course) + * in SRAM, but offsets the sections by enough space to store the + * Maple bootloader, which uses low memory. + */ + +/* + * This pulls in the appropriate MEMORY declaration from the right + * subdirectory of stm32/mem/ (the environment must call ld with the + * right include directory flags to make this happen). Boards can also + * use this file to use any of libmaple's memory-related hooks (like + * where the heap should live). + */ +INCLUDE mem-ram.inc + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", ram); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", ram); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb.ld new file mode 100644 index 0000000..094f2d2 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb.ld @@ -0,0 +1,18 @@ +/* + * Linker script for Generic STM32F103RB boards. + */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K + rom (rx) : ORIGIN = 0x08000000, LENGTH = 128K +} + + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb_bootloader.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb_bootloader.ld new file mode 100644 index 0000000..d045db9 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rb_bootloader.ld @@ -0,0 +1,17 @@ +/* + * Linker script for Generic STM32F103RB boards, using the generic bootloader (which takes the lower 8k of memory) + */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 20K + rom (rx) : ORIGIN = 0x08002000, LENGTH = 120K +} + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc.ld new file mode 100644 index 0000000..c890d69 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc.ld @@ -0,0 +1,18 @@ +/* + * Linker script for Generic STM32F103RC boards. + */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K + rom (rx) : ORIGIN = 0x08000000, LENGTH = 256K +} + + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc_bootloader.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc_bootloader.ld new file mode 100644 index 0000000..00b811b --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103rc_bootloader.ld @@ -0,0 +1,18 @@ +/* + * Linker script for Generic STM32F103RC boards, using the generic bootloader (which takes the lower 8k of memory) + */ + +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K + rom (rx) : ORIGIN = 0x08002000, LENGTH = 248K +} + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103re.ld b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103re.ld new file mode 100644 index 0000000..9f74fd5 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/stm32f103re.ld @@ -0,0 +1,18 @@ +/* + * Linker script for Generic STM32F103RE boards. + */ +MEMORY +{ + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 64K + rom (rx) : ORIGIN = 0x08000000, LENGTH = 512K +} + + +/* Provide memory region aliases for common.inc */ +REGION_ALIAS("REGION_TEXT", rom); +REGION_ALIAS("REGION_DATA", ram); +REGION_ALIAS("REGION_BSS", ram); +REGION_ALIAS("REGION_RODATA", rom); + +/* Let common.inc handle the real work. */ +INCLUDE common.inc diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/vector_symbols.inc b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/vector_symbols.inc new file mode 100644 index 0000000..f8519bb --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/ld/vector_symbols.inc @@ -0,0 +1,78 @@ +EXTERN(__msp_init) +EXTERN(__exc_reset) +EXTERN(__exc_nmi) +EXTERN(__exc_hardfault) +EXTERN(__exc_memmanage) +EXTERN(__exc_busfault) +EXTERN(__exc_usagefault) +EXTERN(__stm32reservedexception7) +EXTERN(__stm32reservedexception8) +EXTERN(__stm32reservedexception9) +EXTERN(__stm32reservedexception10) +EXTERN(__exc_svc) +EXTERN(__exc_debug_monitor) +EXTERN(__stm32reservedexception13) +EXTERN(__exc_pendsv) +EXTERN(__exc_systick) + +EXTERN(__irq_wwdg) +EXTERN(__irq_pvd) +EXTERN(__irq_tamper) +EXTERN(__irq_rtc) +EXTERN(__irq_flash) +EXTERN(__irq_rcc) +EXTERN(__irq_exti0) +EXTERN(__irq_exti1) +EXTERN(__irq_exti2) +EXTERN(__irq_exti3) +EXTERN(__irq_exti4) +EXTERN(__irq_dma1_channel1) +EXTERN(__irq_dma1_channel2) +EXTERN(__irq_dma1_channel3) +EXTERN(__irq_dma1_channel4) +EXTERN(__irq_dma1_channel5) +EXTERN(__irq_dma1_channel6) +EXTERN(__irq_dma1_channel7) +EXTERN(__irq_adc) +EXTERN(__irq_usb_hp_can_tx) +EXTERN(__irq_usb_lp_can_rx0) +EXTERN(__irq_can_rx1) +EXTERN(__irq_can_sce) +EXTERN(__irq_exti9_5) +EXTERN(__irq_tim1_brk) +EXTERN(__irq_tim1_up) +EXTERN(__irq_tim1_trg_com) +EXTERN(__irq_tim1_cc) +EXTERN(__irq_tim2) +EXTERN(__irq_tim3) +EXTERN(__irq_tim4) +EXTERN(__irq_i2c1_ev) +EXTERN(__irq_i2c1_er) +EXTERN(__irq_i2c2_ev) +EXTERN(__irq_i2c2_er) +EXTERN(__irq_spi1) +EXTERN(__irq_spi2) +EXTERN(__irq_usart1) +EXTERN(__irq_usart2) +EXTERN(__irq_usart3) +EXTERN(__irq_exti15_10) +EXTERN(__irq_rtcalarm) +EXTERN(__irq_usbwakeup) + +EXTERN(__irq_tim8_brk) +EXTERN(__irq_tim8_up) +EXTERN(__irq_tim8_trg_com) +EXTERN(__irq_tim8_cc) +EXTERN(__irq_adc3) +EXTERN(__irq_fsmc) +EXTERN(__irq_sdio) +EXTERN(__irq_tim5) +EXTERN(__irq_spi3) +EXTERN(__irq_uart4) +EXTERN(__irq_uart5) +EXTERN(__irq_tim6) +EXTERN(__irq_tim7) +EXTERN(__irq_dma2_channel1) +EXTERN(__irq_dma2_channel2) +EXTERN(__irq_dma2_channel3) +EXTERN(__irq_dma2_channel4_5) diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/pins_arduino.h b/buildroot/share/PlatformIO/variants/MEEB_3DP/pins_arduino.h new file mode 100644 index 0000000..d5dce11 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/pins_arduino.h @@ -0,0 +1,2 @@ +// API compatibility +#include "variant.h" diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/variant.h b/buildroot/share/PlatformIO/variants/MEEB_3DP/variant.h new file mode 100644 index 0000000..cd10bb3 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/variant.h @@ -0,0 +1,17 @@ +#pragma once + +#define digitalPinToPort(P) ( PIN_MAP[P].gpio_device ) +#define digitalPinToBitMask(P) ( BIT(PIN_MAP[P].gpio_bit) ) +#define portOutputRegister(port) ( &(port->regs->ODR) ) +#define portInputRegister(port) ( &(port->regs->IDR) ) + +#define portSetRegister(pin) ( &(PIN_MAP[pin].gpio_device->regs->BSRR) ) +#define portClearRegister(pin) ( &(PIN_MAP[pin].gpio_device->regs->BRR) ) + +#define portConfigRegister(pin) ( &(PIN_MAP[pin].gpio_device->regs->CRL) ) + +static const uint8_t SS = BOARD_SPI1_NSS_PIN; +static const uint8_t SS1 = BOARD_SPI2_NSS_PIN; +static const uint8_t MOSI = BOARD_SPI1_MOSI_PIN; +static const uint8_t MISO = BOARD_SPI1_MISO_PIN; +static const uint8_t SCK = BOARD_SPI1_SCK_PIN; diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards.cpp b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards.cpp new file mode 100644 index 0000000..1232122 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards.cpp @@ -0,0 +1,225 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2010 Perry Hung. + * Copyright (c) 2011, 2012 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file wirish/boards.cpp + * @brief init() and board routines. + * + * This file is mostly interesting for the init() function, which + * configures Flash, the core clocks, and a variety of other available + * peripherals on the board so the rest of Wirish doesn't have to turn + * things on before using them. + * + * Prior to returning, init() calls boardInit(), which allows boards + * to perform any initialization they need to. This file includes a + * weak no-op definition of boardInit(), so boards that don't need any + * special initialization don't have to define their own. + * + * How init() works is chip-specific. See the boards_setup.cpp files + * under e.g. wirish/stm32f1/, wirish/stmf32f2 for the details, but be + * advised: their contents are unstable, and can/will change without + * notice. + */ + +#include <boards.h> +#include <libmaple/libmaple_types.h> +#include <libmaple/flash.h> +#include <libmaple/nvic.h> +#include <libmaple/systick.h> +#include "boards_private.h" + +static void setup_flash(void); +static void setup_clocks(void); +static void setup_nvic(void); +static void setup_adcs(void); +static void setup_timers(void); + +/* + * Exported functions + */ + +void init(void) { + setup_flash(); + setup_clocks(); + setup_nvic(); + systick_init(SYSTICK_RELOAD_VAL); + wirish::priv::board_setup_gpio(); + setup_adcs(); + setup_timers(); + wirish::priv::board_setup_usb(); + wirish::priv::series_init(); + boardInit(); +} + +/* Provide a default no-op boardInit(). */ +__weak void boardInit(void) { +} + +/* You could farm this out to the files in boards/ if e.g. it takes + * too long to test on boards with lots of pins. */ +bool boardUsesPin(uint8 pin) { + for (int i = 0; i < BOARD_NR_USED_PINS; i++) { + if (pin == boardUsedPins[i]) { + return true; + } + } + return false; +} + +/* + * Auxiliary routines + */ + +static void setup_flash(void) { + // Turn on as many Flash "go faster" features as + // possible. flash_enable_features() just ignores any flags it + // can't support. + flash_enable_features(FLASH_PREFETCH | FLASH_ICACHE | FLASH_DCACHE); + // Configure the wait states, assuming we're operating at "close + // enough" to 3.3V. + flash_set_latency(FLASH_SAFE_WAIT_STATES); +} + +static void setup_clocks(void) { + // Turn on HSI. We'll switch to and run off of this while we're + // setting up the main PLL. + rcc_turn_on_clk(RCC_CLK_HSI); + + // Turn off and reset the clock subsystems we'll be using, as well + // as the clock security subsystem (CSS). Note that resetting CFGR + // to its default value of 0 implies a switch to HSI for SYSCLK. + RCC_BASE->CFGR = 0x00000000; + rcc_disable_css(); + rcc_turn_off_clk(RCC_CLK_PLL); + rcc_turn_off_clk(RCC_CLK_HSE); + wirish::priv::board_reset_pll(); + // Clear clock readiness interrupt flags and turn off clock + // readiness interrupts. + RCC_BASE->CIR = 0x00000000; +#if !USE_HSI_CLOCK + // Enable HSE, and wait until it's ready. + rcc_turn_on_clk(RCC_CLK_HSE); + while (!rcc_is_clk_ready(RCC_CLK_HSE)) + ; +#endif + // Configure AHBx, APBx, etc. prescalers and the main PLL. + wirish::priv::board_setup_clock_prescalers(); + rcc_configure_pll(&wirish::priv::w_board_pll_cfg); + + // Enable the PLL, and wait until it's ready. + rcc_turn_on_clk(RCC_CLK_PLL); + while(!rcc_is_clk_ready(RCC_CLK_PLL)) + ; + + // Finally, switch to the now-ready PLL as the main clock source. + rcc_switch_sysclk(RCC_CLKSRC_PLL); +} + +/* + * These addresses are where usercode starts when a bootloader is + * present. If no bootloader is present, the user NVIC usually starts + * at the Flash base address, 0x08000000. + */ +#if defined(BOOTLOADER_maple) + #define USER_ADDR_ROM 0x08002000 +#else + #define USER_ADDR_ROM 0x08000000 +#endif +#define USER_ADDR_RAM 0x20000C00 +extern char __text_start__; + +static void setup_nvic(void) { + +nvic_init((uint32)VECT_TAB_ADDR, 0); + +/* Roger Clark. We now control nvic vector table in boards.txt using the build.vect paramater +#ifdef VECT_TAB_FLASH + nvic_init(USER_ADDR_ROM, 0); +#elif defined VECT_TAB_RAM + nvic_init(USER_ADDR_RAM, 0); +#elif defined VECT_TAB_BASE + nvic_init((uint32)0x08000000, 0); +#elif defined VECT_TAB_ADDR + // A numerically supplied value + nvic_init((uint32)VECT_TAB_ADDR, 0); +#else + // Use the __text_start__ value from the linker script; this + // should be the start of the vector table. + nvic_init((uint32)&__text_start__, 0); +#endif + +*/ +} + +static void adc_default_config(adc_dev *dev) { + adc_enable_single_swstart(dev); + adc_set_sample_rate(dev, wirish::priv::w_adc_smp); +} + +static void setup_adcs(void) { + adc_set_prescaler(wirish::priv::w_adc_pre); + adc_foreach(adc_default_config); +} + +static void timer_default_config(timer_dev *dev) { + timer_adv_reg_map *regs = (dev->regs).adv; + const uint16 full_overflow = 0xFFFF; + const uint16 half_duty = 0x8FFF; + + timer_init(dev); + timer_pause(dev); + + regs->CR1 = TIMER_CR1_ARPE; + regs->PSC = 1; + regs->SR = 0; + regs->DIER = 0; + regs->EGR = TIMER_EGR_UG; + switch (dev->type) { + case TIMER_ADVANCED: + regs->BDTR = TIMER_BDTR_MOE | TIMER_BDTR_LOCK_OFF; + // fall-through + case TIMER_GENERAL: + timer_set_reload(dev, full_overflow); + for (uint8 channel = 1; channel <= 4; channel++) { + if (timer_has_cc_channel(dev, channel)) { + timer_set_compare(dev, channel, half_duty); + timer_oc_set_mode(dev, channel, TIMER_OC_MODE_PWM_1, + TIMER_OC_PE); + } + } + // fall-through + case TIMER_BASIC: + break; + } + + timer_generate_update(dev); + timer_resume(dev); +} + +static void setup_timers(void) { + timer_foreach(timer_default_config); +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards_setup.cpp b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards_setup.cpp new file mode 100644 index 0000000..44418a5 --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/boards_setup.cpp @@ -0,0 +1,106 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2012 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. +*****************************************************************************/ + +/** + * @file wirish/stm32f1/boards_setup.cpp + * @author Marti Bolivar <mbolivar@leaflabs.com> + * @brief STM32F1 chip setup. + * + * This file controls how init() behaves on the STM32F1. Be very + * careful when changing anything here. Many of these values depend + * upon each other. + */ + +#include "boards_private.h" + +#include <libmaple/gpio.h> +#include <libmaple/timer.h> + +#include <boards.h> +#include <usb_serial.h> + +// Allow boards to provide a PLL multiplier. This is useful for +// e.g. STM32F100 value line MCUs, which use slower multipliers. +// (We're leaving the default to RCC_PLLMUL_9 for now, since that +// works for F103 performance line MCUs, which is all that LeafLabs +// currently officially supports). + +namespace wirish { + namespace priv { + + static stm32f1_rcc_pll_data pll_data = {RCC_PLLMUL_6}; +#if !USE_HSI_CLOCK + __weak rcc_pll_cfg w_board_pll_cfg = {RCC_PLLSRC_HSE, &pll_data}; +#else + __weak rcc_pll_cfg w_board_pll_cfg = {RCC_PLLSRC_HSI_DIV_2, &pll_data}; +#endif + __weak adc_prescaler w_adc_pre = ADC_PRE_PCLK2_DIV_6; + __weak adc_smp_rate w_adc_smp = ADC_SMPR_55_5; + + __weak void board_reset_pll(void) { + // TODO + } + + __weak void board_setup_clock_prescalers(void) { + rcc_set_prescaler(RCC_PRESCALER_AHB, RCC_AHB_SYSCLK_DIV_1); + rcc_set_prescaler(RCC_PRESCALER_APB1, RCC_APB1_HCLK_DIV_2); + rcc_set_prescaler(RCC_PRESCALER_APB2, RCC_APB2_HCLK_DIV_1); + rcc_clk_disable(RCC_USB); + #if F_CPU == 72000000 + rcc_set_prescaler(RCC_PRESCALER_USB, RCC_USB_SYSCLK_DIV_1_5); + #elif F_CPU == 48000000 + rcc_set_prescaler(RCC_PRESCALER_USB, RCC_USB_SYSCLK_DIV_1); + #endif + } + + __weak void board_setup_gpio(void) { + gpio_init_all(); + } + + __weak void board_setup_usb(void) { +#ifdef SERIAL_USB + +#ifdef GENERIC_BOOTLOADER + //Reset the USB interface on generic boards - developed by Victor PV + gpio_set_mode(PIN_MAP[PA12].gpio_device, PIN_MAP[PA12].gpio_bit, GPIO_OUTPUT_PP); + gpio_write_bit(PIN_MAP[PA12].gpio_device, PIN_MAP[PA12].gpio_bit,0); + + for(volatile unsigned int i=0;i<512;i++);// Only small delay seems to be needed, and USB pins will get configured in Serial.begin + gpio_set_mode(PIN_MAP[PA12].gpio_device, PIN_MAP[PA12].gpio_bit, GPIO_INPUT_FLOATING); +#endif + + Serial.begin();// Roger Clark. Changed SerialUSB to Serial for Arduino sketch compatibility +#endif + } + + __weak void series_init(void) { + // Initialize AFIO here, too, so peripheral remaps and external + // interrupts work out of the box. + afio_init(); + } + + } +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/start_c.c b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/start_c.c new file mode 100644 index 0000000..655fefb --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/start_c.c @@ -0,0 +1,95 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2011 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/* + * This file is a modified version of a file obtained from + * CodeSourcery Inc. (now part of Mentor Graphics Corp.), in which the + * following text appeared: + * + * Copyright (c) 2006, 2007 CodeSourcery Inc + * + * The authors hereby grant permission to use, copy, modify, distribute, + * and license this software and its documentation for any purpose, provided + * that existing copyright notices are retained in all copies and that this + * notice is included verbatim in any distributions. No written agreement, + * license, or royalty fee is required for any of the authorized uses. + * Modifications to this software may be copyrighted by their authors + * and need not follow the licensing terms described here, provided that + * the new terms are clearly indicated on the first page of each file where + * they apply. + */ + +#include <stddef.h> + +extern void __libc_init_array(void); + +extern int main(int, char**, char**); + +extern void exit(int) __attribute__((noreturn, weak)); + +/* The linker must ensure that these are at least 4-byte aligned. */ +extern char __data_start__, __data_end__; +extern char __bss_start__, __bss_end__; + +struct rom_img_cfg { + int *img_start; +}; + +extern char _lm_rom_img_cfgp; + +void __attribute__((noreturn)) start_c(void) { + struct rom_img_cfg *img_cfg = (struct rom_img_cfg*)&_lm_rom_img_cfgp; + int *src = img_cfg->img_start; + int *dst = (int*)&__data_start__; + int exit_code; + + /* Initialize .data, if necessary. */ + if (src != dst) { + int *end = (int*)&__data_end__; + while (dst < end) { + *dst++ = *src++; + } + } + + /* Zero .bss. */ + dst = (int*)&__bss_start__; + while (dst < (int*)&__bss_end__) { + *dst++ = 0; + } + + /* Run initializers. */ + __libc_init_array(); + + /* Jump to main. */ + exit_code = main(0, 0, 0); + if (exit) { + exit(exit_code); + } + + /* If exit is NULL, make sure we don't return. */ + for (;;) + continue; +} diff --git a/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/syscalls.c b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/syscalls.c new file mode 100644 index 0000000..d5f2d9f --- /dev/null +++ b/buildroot/share/PlatformIO/variants/MEEB_3DP/wirish/syscalls.c @@ -0,0 +1,176 @@ +/****************************************************************************** + * The MIT License + * + * Copyright (c) 2010 Perry Hung. + * Copyright (c) 2011, 2012 LeafLabs, LLC. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, and/or sell copies + * of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + *****************************************************************************/ + +/** + * @file wirish/syscalls.c + * @brief newlib stubs + * + * Low level system routines used by newlib for basic I/O and memory + * allocation. You can override most of these. + */ + +#include <libmaple/libmaple.h> + +#include <sys/stat.h> +#include <errno.h> +#include <stddef.h> + +/* If CONFIG_HEAP_START (or CONFIG_HEAP_END) isn't defined, then + * assume _lm_heap_start (resp. _lm_heap_end) is appropriately set by + * the linker */ +#ifndef CONFIG_HEAP_START +extern char _lm_heap_start; +#define CONFIG_HEAP_START ((void *)&_lm_heap_start) +#endif +#ifndef CONFIG_HEAP_END +extern char _lm_heap_end; +#define CONFIG_HEAP_END ((void *)&_lm_heap_end) +#endif + +/* + * _sbrk -- Increment the program break. + * + * Get incr bytes more RAM (for use by the heap). malloc() and + * friends call this function behind the scenes. + */ +void *_sbrk(int incr) { + static void * pbreak = NULL; /* current program break */ + void * ret; + + if (pbreak == NULL) { + pbreak = CONFIG_HEAP_START; + } + + if ((CONFIG_HEAP_END - pbreak < incr) || + (pbreak - CONFIG_HEAP_START < -incr)) { + errno = ENOMEM; + return (void *)-1; + } + + ret = pbreak; + pbreak += incr; + return ret; +} + +__weak int _open(const char *path, int flags, ...) { + return 1; +} + +__weak int _close(int fd) { + return 0; +} + +__weak int _fstat(int fd, struct stat *st) { + st->st_mode = S_IFCHR; + return 0; +} + +__weak int _isatty(int fd) { + return 1; +} + +__weak int isatty(int fd) { + return 1; +} + +__weak int _lseek(int fd, off_t pos, int whence) { + return -1; +} + +__weak unsigned char getch(void) { + return 0; +} + + +__weak int _read(int fd, char *buf, size_t cnt) { + *buf = getch(); + + return 1; +} + +__weak void putch(unsigned char c) { +} + +__weak void cgets(char *s, int bufsize) { + char *p; + int c; + int i; + + for (i = 0; i < bufsize; i++) { + *(s+i) = 0; + } +// memset(s, 0, bufsize); + + p = s; + + for (p = s; p < s + bufsize-1;) { + c = getch(); + switch (c) { + case '\r' : + case '\n' : + putch('\r'); + putch('\n'); + *p = '\n'; + return; + + case '\b' : + if (p > s) { + *p-- = 0; + putch('\b'); + putch(' '); + putch('\b'); + } + break; + + default : + putch(c); + *p++ = c; + break; + } + } + return; +} + +__weak int _write(int fd, const char *buf, size_t cnt) { + int i; + + for (i = 0; i < cnt; i++) + putch(buf[i]); + + return cnt; +} + +/* Override fgets() in newlib with a version that does line editing */ +__weak char *fgets(char *s, int bufsize, void *f) { + cgets(s, bufsize); + return s; +} + +__weak void _exit(int exitcode) { + while (1) + ; +} |