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sys/riotboot: add DFU support to riotboot

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dylad 2020-12-15 17:14:18 +01:00 committed by Dylan Laduranty
parent f3908bed9f
commit beb0fb752c
3 changed files with 116 additions and 0 deletions
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6
sys/Makefile.dep
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@ -1002,6 +1002,12 @@ ifneq (,$(filter riotboot_hdr, $(USEMODULE)))
USEMODULE += riotboot
endif
ifneq (,$(filter riotboot_usb_dfu, $(USEMODULE)))
USEMODULE += usbus_dfu
USEMODULE += riotboot_flashwrite
FEATURES_REQUIRED += no_idle_thread
endif
ifneq (,$(filter irq_handler,$(USEMODULE)))
USEMODULE += event
endif

69
sys/include/riotboot/usb_dfu.h Normal file
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@ -0,0 +1,69 @@
/*
* Copyright (C) 2020 Mesotic SAS
*
* 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.
*/
/**
* @defgroup sys_riotboot_usb_dfu Initialization of USB Device Firmware
* Upgrade for riotboot
* @ingroup sys
* @{
*
* @file
* @brief USB DFU initialization for riotboot
*
* @author Dylan Laduranty <dylan.laduranty@mesotic.com>
*
* @}
*/
#ifndef RIOTBOOT_USB_DFU_H
#define RIOTBOOT_USB_DFU_H
#include "riotboot/hdr.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name USB DFU RAM information for riotboot
* @{
*/
#ifndef RIOTBOOT_DFU_ADDR
#define RIOTBOOT_DFU_ADDR (CPU_RAM_BASE + CPU_RAM_SIZE - 4) /**< DFU default magic address */
#endif
#ifndef RIOTBOOT_MAGIC_NUMBER
#define RIOTBOOT_MAGIC_NUMBER RIOTBOOT_MAGIC /**< DFU default magic value */
#endif
/** @} */
/**
* @name USB DFU Default slots name
* @{
*/
#ifndef USB_DFU_MODE_SLOT0_NAME
#define USB_DFU_MODE_SLOT0_NAME "RIOT-OS Slot 0"
#endif
#ifndef USB_DFU_MODE_SLOT1_NAME
#define USB_DFU_MODE_SLOT1_NAME "RIOT-OS Slot 1"
#endif
#ifndef USB_APP_MODE_SLOT_NAME
#define USB_APP_MODE_SLOT_NAME "RIOT-OS bootloader"
#endif
/** @} */
/**
* @brief Initialize usbus DFU for riotboot bootloader
*/
void riotboot_usb_dfu_init(unsigned forced);
#ifdef __cplusplus
}
#endif
#endif /* RIOTBOOT_USB_DFU_H */

41
sys/riotboot/usb_dfu.c Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (C) 2020 Mesotic SAS
*
* 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 sys_riotboot_usb_dfu
* @{
*
* @file
* @brief USB Device Firmware Upgrade initialization for riotboot
*
* @author Dylan Laduranty <dylan.laduranty@mesotic.com>
*
* @}
*/
#include "cpu.h"
#include "thread.h"
#include "usb/usbus.h"
#include "usb/dfu.h"
#include "usb/usbus/dfu.h"
#include "riotboot/usb_dfu.h"
static usbus_dfu_device_t dfu;
static char _stack[USBUS_STACKSIZE];
static usbus_t usbus;
void riotboot_usb_dfu_init(unsigned forced) {
uint32_t *reset_addr = (uint32_t *)RIOTBOOT_DFU_ADDR;
if (forced == 1 || *reset_addr == RIOTBOOT_MAGIC_NUMBER) {
*reset_addr = 0;
usbus_init(&usbus, usbdev_get_ctx(0));
usbus_dfu_init(&usbus, &dfu, USB_DFU_PROTOCOL_DFU_MODE);
usbus_create(_stack, USBUS_STACKSIZE, USBUS_PRIO, USBUS_TNAME, &usbus);
}
}