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Merge pull request #11075 from bergzand/pr/usb/auto_init

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usbus: Initial simple auto init structure
This commit is contained in:
Dylan Laduranty 2019-06-05 16:33:55 +02:00 committed by GitHub
commit e1f6b08d7a
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6 changed files with 56 additions and 15 deletions
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1
examples/usbus_minimal/Makefile
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@ -13,6 +13,7 @@ RIOTBASE ?= $(CURDIR)/../..
DEVELHELP ?= 1
USEMODULE += usbus
USEMODULE += auto_init_usbus
# USB device vendor and product ID
USB_VID ?= 1209

15
examples/usbus_minimal/main.c
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@ -19,26 +19,11 @@
*/
#include <stdio.h>
#include "usb/usbus.h"
static char _stack[USBUS_STACKSIZE];
static usbus_t usbus;
/* TODO: remove as soon as we have decent auto_init */
#include "periph_conf.h"
#include "sam_usb.h"
int main(void)
{
puts("RIOT USB stack example application");
/* TODO: remove as soon as we have decent auto_init */
usbdev_t *usbdev_ctx = usbdev_get_ctx(0);
/* start usb stack */
usbus_init(&usbus, usbdev_ctx);
usbus_create(_stack, sizeof(_stack), USBUS_PRIO, USBUS_TNAME, &usbus);
/* start shell */
puts("Started USB stack!");
return 0;
}

4
sys/auto_init/Makefile
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@ -18,4 +18,8 @@ ifneq (,$(filter auto_init_loramac,$(USEMODULE)))
DIRS += loramac
endif
ifneq (,$(filter auto_init_usbus,$(USEMODULE)))
DIRS += usb
endif
include $(RIOTBASE)/Makefile.base

6
sys/auto_init/auto_init.c
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@ -182,6 +182,12 @@ void auto_init(void)
auto_init_loramac();
#endif
/* initialize USB devices */
#ifdef MODULE_AUTO_INIT_USBUS
extern void auto_init_usb(void);
auto_init_usb();
#endif
/* initialize network devices */
#ifdef MODULE_AUTO_INIT_GNRC_NETIF

3
sys/auto_init/usb/Makefile Normal file
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@ -0,0 +1,3 @@
MODULE = auto_init_usbus
include $(RIOTBASE)/Makefile.base

42
sys/auto_init/usb/auto_init_usb.c Normal file
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@ -0,0 +1,42 @@
/*
* Copyright (C) 2018 Koen Zandberg
*
* 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_auto_init
* @{
* @file
* @brief initializes USBUS, usb devices and handlers
*
* This auto initialization for USBUS is designed to cover the common use case
* of a single usb peripheral. An USBUS instance is started with USB function
* handlers based on which module is compiled in.
*
* If this doesn't suit your use case, a different intialization function can
* to be created based on this initialization sequence.
*
* @author Koen Zandberg <koen@bergzand.net>
* @}
*/
#include "usb/usbus.h"
static char _stack[USBUS_STACKSIZE];
static usbus_t usbus;
void auto_init_usb(void)
{
/* Get driver context */
usbdev_t *usbdev = usbdev_get_ctx(0);
assert(usbdev);
/* Initialize basic usbus struct, don't start the thread yet */
usbus_init(&usbus, usbdev);
/* Finally initialize USBUS thread */
usbus_create(_stack, USBUS_STACKSIZE, USBUS_PRIO, USBUS_TNAME, &usbus);
}