diff options
Diffstat (limited to 'tmk_core/protocol/lufa/LUFA-git/Bootloaders')
71 files changed, 23043 insertions, 0 deletions
diff --git a/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.c b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.c new file mode 100644 index 0000000000..f7564e9827 --- /dev/null +++ b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.c @@ -0,0 +1,75 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Bootloader user application API functions. + */ + +#include "BootloaderAPI.h" + +void BootloaderAPI_ErasePage(const uint32_t Address) +{ + boot_page_erase_safe(Address); + boot_spm_busy_wait(); + boot_rww_enable(); +} + +void BootloaderAPI_WritePage(const uint32_t Address) +{ + boot_page_write_safe(Address); + boot_spm_busy_wait(); + boot_rww_enable(); +} + +void BootloaderAPI_FillWord(const uint32_t Address, const uint16_t Word) +{ + boot_page_fill_safe(Address, Word); +} + +uint8_t BootloaderAPI_ReadSignature(const uint16_t Address) +{ + return boot_signature_byte_get(Address); +} + +uint8_t BootloaderAPI_ReadFuse(const uint16_t Address) +{ + return boot_lock_fuse_bits_get(Address); +} + +uint8_t BootloaderAPI_ReadLock(void) +{ + return boot_lock_fuse_bits_get(GET_LOCK_BITS); +} + +void BootloaderAPI_WriteLock(const uint8_t LockBits) +{ + boot_lock_bits_set_safe(LockBits); +} diff --git a/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.h b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.h new file mode 100644 index 0000000000..2462cacdd0 --- /dev/null +++ b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPI.h @@ -0,0 +1,58 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Header file for BootloaderAPI.c. + */ + +#ifndef _BOOTLOADER_API_H_ +#define _BOOTLOADER_API_H_ + + /* Includes: */ + #include <avr/io.h> + #include <avr/boot.h> + #include <stdbool.h> + + #include <LUFA/Common/Common.h> + + #include "Config/AppConfig.h" + + /* Function Prototypes: */ + void BootloaderAPI_ErasePage(const uint32_t Address); + void BootloaderAPI_WritePage(const uint32_t Address); + void BootloaderAPI_FillWord(const uint32_t Address, const uint16_t Word); + uint8_t BootloaderAPI_ReadSignature(const uint16_t Address); + uint8_t BootloaderAPI_ReadFuse(const uint16_t Address); + uint8_t BootloaderAPI_ReadLock(void); + void BootloaderAPI_WriteLock(const uint8_t LockBits); + +#endif + diff --git a/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPITable.S b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPITable.S new file mode 100644 index 0000000000..69ebd387a9 --- /dev/null +++ b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderAPITable.S @@ -0,0 +1,91 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +; Trampolines to actual API implementations if the target address is outside the +; range of a rjmp instruction (can happen with large bootloader sections) +.section .apitable_trampolines, "ax" +.global BootloaderAPI_Trampolines +BootloaderAPI_Trampolines: + + BootloaderAPI_ErasePage_Trampoline: + jmp BootloaderAPI_ErasePage + BootloaderAPI_WritePage_Trampoline: + jmp BootloaderAPI_WritePage + BootloaderAPI_FillWord_Trampoline: + jmp BootloaderAPI_FillWord + BootloaderAPI_ReadSignature_Trampoline: + jmp BootloaderAPI_ReadSignature + BootloaderAPI_ReadFuse_Trampoline: + jmp BootloaderAPI_ReadFuse + BootloaderAPI_ReadLock_Trampoline: + jmp BootloaderAPI_ReadLock + BootloaderAPI_WriteLock_Trampoline: + jmp BootloaderAPI_WriteLock + BootloaderAPI_UNUSED1: + ret + BootloaderAPI_UNUSED2: + ret + BootloaderAPI_UNUSED3: + ret + BootloaderAPI_UNUSED4: + ret + BootloaderAPI_UNUSED5: + ret + + + +; API function jump table +.section .apitable_jumptable, "ax" +.global BootloaderAPI_JumpTable +BootloaderAPI_JumpTable: + + rjmp BootloaderAPI_ErasePage_Trampoline + rjmp BootloaderAPI_WritePage_Trampoline + rjmp BootloaderAPI_FillWord_Trampoline + rjmp BootloaderAPI_ReadSignature_Trampoline + rjmp BootloaderAPI_ReadFuse_Trampoline + rjmp BootloaderAPI_ReadLock_Trampoline + rjmp BootloaderAPI_WriteLock_Trampoline + rjmp BootloaderAPI_UNUSED1 ; UNUSED ENTRY 1 + rjmp BootloaderAPI_UNUSED2 ; UNUSED ENTRY 2 + rjmp BootloaderAPI_UNUSED3 ; UNUSED ENTRY 3 + rjmp BootloaderAPI_UNUSED4 ; UNUSED ENTRY 4 + rjmp BootloaderAPI_UNUSED5 ; UNUSED ENTRY 5 + + + +; Bootloader table signatures and information +.section .apitable_signatures, "ax" +.global BootloaderAPI_Signatures +BootloaderAPI_Signatures: + + .long BOOT_START_ADDR ; Start address of the bootloader + .word 0xDF00 ; Signature for the CDC class bootloader + .word 0xDCFB ; Signature for a LUFA class bootloader diff --git a/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderCDC.c b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderCDC.c new file mode 100644 index 0000000000..f66a483e6e --- /dev/null +++ b/tmk_core/protocol/lufa/LUFA-git/Bootloaders/CDC/BootloaderCDC.c @@ -0,0 +1,641 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2014. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2014 Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, distribute, and sell this + software and its documentation for any purpose is hereby granted + without fee, provided that the above copyright notice appear in + all copies and that both that the copyright notice and this + permission notice and warranty disclaimer appear in supporting + documentation, and that the name of the author not be used in + advertising or publicity pertaining to distribution of the + software without specific, written prior permission. + + The author disclaims all warranties with regard to this + software, including all implied warranties of merchantability + and fitness. In no event shall the author be liable for any + special, indirect or consequential damages or any damages + whatsoever resulting from loss of use, data or profits, whether + in an action of contract, negligence or other tortious action, + arising out of or in connection with the use or performance of + this software. +*/ + +/** \file + * + * Main source file for the CDC class bootloader. This file contains the complete bootloader logic. + */ + +#define INCLUDE_FROM_BOOTLOADERCDC_C +#include "BootloaderCDC.h" + +/** Contains the current baud rate and other settings of the first virtual serial port. This must be retained as some + * operating systems will not open the port unless the settings can be set successfully. + */ +static CDC_LineEncoding_t LineEncoding = { .BaudRateBPS = 0, + .CharFormat = CDC_LINEENCODING_OneStopBit, + .ParityType = CDC_PARITY_None, + .DataBits = 8 }; + +/** Current address counter. This stores the current address of the FLASH or EEPROM as set by the host, + * and is used when reading or writing to the AVRs memory (either FLASH or EEPROM depending on the issued + * command.) + */ +static uint32_t CurrAddress; + +/** Flag to indicate if the bootloader should be running, or should exit and allow the application code to run + * via a watchdog reset. When cleared the bootloader will exit, starting the watchdog and entering an infinite + * loop until the AVR restarts and the application runs. + */ +static bool RunBootloader = true; + +/** Magic lock for forced application start. If the HWBE fuse is programmed and BOOTRST is unprogrammed, the bootloader + * will start if the /HWB line of the AVR is held low and the system is reset. However, if the /HWB line is still held + * low when the application attempts to start via a watchdog reset, the bootloader will re-start. If set to the value + * \ref MAGIC_BOOT_KEY the special init function \ref Application_Jump_Check() will force the application to start. + */ +uint16_t MagicBootKey ATTR_NO_INIT; + + +/** Special startup routine to check if the bootloader was started via a watchdog reset, and if the magic application + * start key has been loaded into \ref MagicBootKey. If the bootloader started via the watchdog and the key is valid, + * this will force the user application to start via a software jump. + */ +void Application_Jump_Check(void) +{ + bool JumpToApplication = false; + + #if ((BOARD == BOARD_XPLAIN) || (BOARD == BOARD_XPLAIN_REV1)) + /* Disable JTAG debugging */ + JTAG_DISABLE(); + + /* Enable pull-up on the JTAG TCK pin so we can use it to select the mode */ + PORTF |= (1 << 4); + Delay_MS(10); + + /* If the TCK pin is not jumpered to ground, start the user application instead */ + JumpToApplication |= ((PINF & (1 << 4)) != 0); + + /* Re-enable JTAG debugging */ + JTAG_ENABLE(); + #endif + + /* If the reset source was the bootloader and the key is correct, clear it and jump to the application */ + if ((MCUSR & (1 << WDRF)) && (MagicBootKey == MAGIC_BOOT_KEY)) + JumpToApplication |= true; + + /* If a request has been made to jump to the user application, honor it */ + if (JumpToApplication) + { + /* Turn off the watchdog */ + MCUSR &= ~(1<<WDRF); + wdt_disable(); + + /* Clear the boot key and jump to the user application */ + MagicBootKey = 0; + + // cppcheck-suppress constStatement + ((void (*)(void))0x0000)(); + } +} + +/** Main program entry point. This routine configures the hardware required by the bootloader, then continuously + * runs the bootloader processing routine until instructed to soft-exit, or hard-reset via the watchdog to start + * the loaded application code. + */ +int main(void) +{ + /* Setup hardware required for the bootloader */ + SetupHardware(); + + /* Turn on first LED on the board to indicate that the bootloader has started */ + LEDs_SetAllLEDs(LEDS_LED1); + + /* Enable global interrupts so that the USB stack can function */ + GlobalInterruptEnable(); + + while (RunBootloader) + { + CDC_Task(); + USB_USBTask(); + } + + /* Disconnect from the host - USB interface will be reset later along with the AVR */ + USB_Detach(); + + /* Unlock the forced application start mode of the bootloader if it is restarted */ + MagicBootKey = MAGIC_BOOT_KEY; + + /* Enable the watchdog and force a timeout to reset the AVR */ + wdt_enable(WDTO_250MS); + + for (;;); +} + +/** Configures all hardware required for the bootloader. */ +static void SetupHardware(void) +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Relocate the interrupt vector table to the bootloader section */ + MCUCR = (1 << IVCE); + MCUCR = (1 << IVSEL); + + /* Initialize the USB and other board hardware drivers */ + USB_Init(); + LEDs_Init(); + + /* Bootloader active LED toggle timer initialization */ + TIMSK1 = (1 << TOIE1); + TCCR1B = ((1 << CS11) | (1 << CS10)); +} + +/** ISR to periodically toggle the LEDs on the board to indicate that the bootloader is active. */ +ISR(TIMER1_OVF_vect, ISR_BLOCK) +{ + LEDs_ToggleLEDs(LEDS_LED1 | LEDS_LED2); +} + +/** Event handler for the USB_ConfigurationChanged event. This configures the device's endpoints ready + * to relay data to and from the attached USB host. + */ +void EVENT_USB_Device_ConfigurationChanged(void) +{ + /* Setup CDC Notification, Rx and Tx Endpoints */ + Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPADDR, EP_TYPE_INTERRUPT, + CDC_NOTIFICATION_EPSIZE, 1); + + Endpoint_ConfigureEndpoint(CDC_TX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1); + + Endpoint_ConfigureEndpoint(CDC_RX_EPADDR, EP_TYPE_BULK, CDC_TXRX_EPSIZE, 1); +} + +/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to |