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Olimex LPC1766STK: The USB host waiter stack should be configurable because it needs to be a lot depending when using a hub

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This commit is contained in:
Gregory Nutt 2015-05-03 16:14:08 -06:00
parent f48d9f93ce
commit f9a30b1804
4 changed files with 24 additions and 11 deletions
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4
arch/arm/src/lpc17xx/lpc17_usbhost.c
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@ -429,7 +429,7 @@ static struct lpc17_list_s *g_iofree; /* List of unused I/O buffers */
/* Pool and freelist of asynchronous transfer structures */
static struct lpc17_list_s *g_asynchfree;
static struct lpc17_list_s g_asynchbuffers[CONFIG_LPC17_USBHOST_NASYNCH];
static struct lpc17_asynch_s g_asynchbuffers[CONFIG_LPC17_USBHOST_NASYNCH];
#endif
/*******************************************************************************
@ -3499,7 +3499,7 @@ struct usbhost_connection_s *lpc17_usbhost_initialize(int controller)
#ifdef CONFIG_USBHOST_ASYNCH
/* Initialize asynchronous transfer structures */
for (i = 0, asynch = (struct lpc17_asynch_s *)g_asynchbuffers;
for (i = 0, asynch = g_asynchbuffers;
i < CONFIG_LPC17_USBHOST_NASYNCH;
i++, asynch++)
{

12
configs/olimex-lpc1766stk/Kconfig
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@ -4,4 +4,16 @@
#
if ARCH_BOARD_LPC1766STK
config LPC1766STK_USBHOST_STACKSIZE
int "USB host waiter stack size"
default 1536 if USBHOST_HUB
default 1024 if !USBHOST_HUB
depends on USBHOST
config LPC1766STK_USBHOST_PRIO
int "USB host waiter task priority"
default 100
depends on USBHOST
endif

7
configs/olimex-lpc1766stk/README.txt
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@ -982,9 +982,10 @@ Configuration Sub-Directories
When I ran into stack size issues, I just increased the size of
all threads that had smaller stacks.
CONFIG_EXAMPLES_HIDKBD_STACKSIZE=2048 : Was 1024
CONFIG_HIDKBD_STACKSIZE=2048 : Was 1024
CONFIG_SCHED_HPWORKSTACKSIZE=2048 : Was 1024 (1024 is probably ok)
CONFIG_EXAMPLES_HIDKBD_STACKSIZE=2048 : Was 1024
CONFIG_HIDKBD_STACKSIZE=2048 : Was 1024
CONFIG_SCHED_HPWORKSTACKSIZE=2048 : Was 1024 (1024 is probably ok)
CONFIG_LPC1766STK_USBHOST_STACKSIZE=1536 | Was 1024
STATUS:
2015-04-26: The hub basically works. I do get crashes in the LPC16 USB host driver

12
configs/olimex-lpc1766stk/src/lpc17_nsh.c
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@ -110,11 +110,11 @@
#endif
#ifdef NSH_HAVEUSBHOST
# ifndef CONFIG_USBHOST_DEFPRIO
# define CONFIG_USBHOST_DEFPRIO 50
# ifndef CONFIG_LPC1766STK_USBHOST_PRIO
# define CONFIG_LPC1766STK_USBHOST_PRIO 50
# endif
# ifndef CONFIG_USBHOST_STACKSIZE
# define CONFIG_USBHOST_STACKSIZE 1024
# ifndef CONFIG_LPC1766STK_USBHOST_STACKSIZE
# define CONFIG_LPC1766STK_USBHOST_STACKSIZE 1024
# endif
#endif
@ -275,8 +275,8 @@ static int nsh_usbhostinitialize(void)
syslog(LOG_ERR, "ERROR: Start nsh_waiter\n");
pid = task_create("usbhost", CONFIG_USBHOST_DEFPRIO,
CONFIG_USBHOST_STACKSIZE,
pid = task_create("usbhost", CONFIG_LPC1766STK_USBHOST_PRIO,
CONFIG_LPC1766STK_USBHOST_STACKSIZE,
(main_t)nsh_waiter, (FAR char * const *)NULL);
return pid < 0 ? -ENOEXEC : OK;
}