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RIOT/boards/common/samdx1-arduino-bootloader/reset.c

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boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
/*
* Copyright (C) 2019 Inria
* 2019 Kees Bakker, SODAQ
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_common
* @{
* @file
* @brief Board common implementations for managing an Arduino bootloader
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
* @author Kees Bakker <kees@sodaq.com>
*
* @}
*/
boards/samd21-arduino: exclude reset with usb-board-reset macro
2020-04-02 16:41:53 +02:00
#ifdef MODULE_USB_BOARD_RESET
boards: conditionally include samd21-arduino-bootloader samd21-arduino-bootloader and its dependencies will only be included if no other stdio_% (other than stdio_cdc_acm) is included.
2020-03-20 10:47:48 +01:00
boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
#define USB_H_USER_IS_RIOT_INTERNAL
usb_board_reset: Split headers into public and private The private parts need USB definitions (and are thus preferably used from USB_H_USER_IS_RIOT_INTERNAL compilation units). Functions like usb_board_reset_in_bootloader do not depend on USB headers for their definitions and are fair game throughout the application even for generic RIOT USB devices.
2020-07-01 10:31:46 +02:00
#include "cpu.h"
boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
#include "usb_board_reset.h"
boards/samd21-arduino-bootloader: add support for UF2 bootloader
2020-02-25 23:38:34 +01:00
#ifdef HMCRAMC0_ADDR
#define DBL_TAP_PTR ((volatile uint32_t *)(HMCRAMC0_ADDR + HMCRAMC0_SIZE - 4))
#else
#define DBL_TAP_PTR ((volatile uint32_t *)(HSRAM_ADDR + HSRAM_SIZE - 4))
#endif
boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
boards/samd21-arduino-bootloader: add support for UF2 bootloader
2020-02-25 23:38:34 +01:00
#ifdef BOOTLOADER_UF2
#define SAMD21_DOUBLE_TAP_ADDR DBL_TAP_PTR
#define SAMD21_DOUBLE_TAP_MAGIC_NUMBER (0xF01669EFUL)
#else
boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
#define SAMD21_DOUBLE_TAP_ADDR (0x20007FFCUL)
#define SAMD21_DOUBLE_TAP_MAGIC_NUMBER (0x07738135UL)
boards/samd21-arduino-bootloader: add support for UF2 bootloader
2020-02-25 23:38:34 +01:00
#endif
boards/samd21-arduino-bootloader: add common board module This module implements the 2 functions called when requesting a board 'reset in application' and 'board reset in bootloader' actions. This module will also configure the behaviour of bossa flasher and has a dependency on USBUS CDC ACM module for providing STDIO over USB
2019-09-30 17:16:00 +02:00
void usb_board_reset_in_bootloader(void)
{
/* The Arduino bootloader checks for a magic number in SRAM to remain in
bootloader mode.
See
https://github.com/arduino/ArduinoCore-samd/blob/master/bootloaders/zero/board_definitions_arduino_mkr1000.h#L38
and
https://github.com/arduino/ArduinoCore-samd/blob/master/bootloaders/zero/main.c#L94
for implementation details. */
uint32_t *reset_addr = (uint32_t *)SAMD21_DOUBLE_TAP_ADDR;
*reset_addr = (uint32_t)SAMD21_DOUBLE_TAP_MAGIC_NUMBER;
usb_board_reset_in_application();
}
boards: conditionally include samd21-arduino-bootloader samd21-arduino-bootloader and its dependencies will only be included if no other stdio_% (other than stdio_cdc_acm) is included.
2020-03-20 10:47:48 +01:00
#else
typedef int dont_be_pedantic;
boards/samd21-arduino: exclude reset with usb-board-reset macro
2020-04-02 16:41:53 +02:00
#endif /* MODULE_USB_BOARD_RESET */
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