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Merge remote-tracking branch 'origin/master' into ieee802154

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This commit is contained in:
Gregory Nutt 2017-04-11 13:08:53 -06:00
commit bfc71e971a
12 changed files with 207 additions and 56 deletions
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6
arch/arm/src/stm32/chip/stm32_exti.h
View File

@ -188,9 +188,9 @@
/* Pending register */
#define EXTI_IMR_BIT(n) STM32_EXTI_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_IMR_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_IMR_MASK STM32_EXTI_MASK
#define EXTI_PR_BIT(n) STM32_EXTI_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_PR_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_PR_MASK STM32_EXTI_MASK
/* Compatibility Definitions ********************************************************/

2
arch/arm/src/stm32f7/Kconfig
View File

@ -1634,7 +1634,7 @@ config SERIAL_DISABLE_REORDERING
config STM32F7_FLOWCONTROL_BROKEN
bool "Use Software UART RTS flow control"
depends on STM32F7_USART
depends on STM32F7_USART && SERIAL_IFLOWCONTROL_WATERMARKS
default n
---help---
Enable UART RTS flow control using Software. Because STM

6
arch/arm/src/stm32f7/chip/stm32_exti.h
View File

@ -125,9 +125,9 @@
/* Pending register */
#define EXTI_IMR_BIT(n) STM32_EXTI_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_IMR_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_IMR_MASK STM32_EXTI_MASK
#define EXTI_PR_BIT(n) STM32_EXTI_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_PR_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_PR_MASK STM32_EXTI_MASK
#endif /* CONFIG_STM32F7_STM32F74XX || CONFIG_STM32F7_STM32F75XX || CONFIG_STM32F7_STM32F76XX || CONFIG_STM32F7_STM32F77XX */
#endif /* __ARCH_ARM_SRC_STM32F7_CHIP_STM32_EXTI_H */

55
arch/arm/src/stm32f7/stm32_serial.c
View File

@ -220,43 +220,56 @@
/* Warnings for potentially unsafe configuration combinations. */
#if defined(CONFIG_STM32F7_FLOWCONTROL_BROKEN) && \
!defined(CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS)
# error "CONFIG_STM32F7_FLOWCONTROL_BROKEN requires \
CONFIG_SERIAL_IFLOWCONTROL_WATERMARKS to be enabled."
#endif
#ifndef CONFIG_STM32F7_FLOWCONTROL_BROKEN
/* Combination of RXDMA + IFLOWCONTROL does not work as one might expect.
* Since RXDMA uses circular DMA-buffer, DMA will always keep reading new
* data from USART peripheral even if DMA buffer underruns. Thus this
* combination only does following: RTS is asserted on USART setup and
* deasserted on shutdown and does not perform actual RTS flow-control.
*
* With SW flow-control, RTS is asserted before UART receive buffer fully
* fills, thus preventing data loss if application is slow to process data
* from serial device node. However, if RxDMA interrupt is blocked for too
* long, data loss is still possible as SW flow-control would also be
* blocked.
*/
#if defined(CONFIG_USART1_RXDMA) && defined(CONFIG_USART1_IFLOWCONTROL)
# if defined(CONFIG_USART1_RXDMA) && defined(CONFIG_USART1_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for USART1. \
This combination can lead to data loss."
#endif
# endif
#if defined(CONFIG_USART2_RXDMA) && defined(CONFIG_USART2_IFLOWCONTROL)
# if defined(CONFIG_USART2_RXDMA) && defined(CONFIG_USART2_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for USART2. \
This combination can lead to data loss."
#endif
# endif
#if defined(CONFIG_USART3_RXDMA) && defined(CONFIG_USART3_IFLOWCONTROL)
# if defined(CONFIG_USART3_RXDMA) && defined(CONFIG_USART3_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for USART3. \
This combination can lead to data loss."
#endif
# endif
#if defined(CONFIG_USART6_RXDMA) && defined(CONFIG_USART6_IFLOWCONTROL)
# if defined(CONFIG_USART6_RXDMA) && defined(CONFIG_USART6_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for USART6. \
This combination can lead to data loss."
#endif
# endif
#if defined(CONFIG_UART7_RXDMA) && defined(CONFIG_UART7_IFLOWCONTROL)
# if defined(CONFIG_UART7_RXDMA) && defined(CONFIG_UART7_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for UART7. \
This combination can lead to data loss."
#endif
# endif
#if defined(CONFIG_UART8_RXDMA) && defined(CONFIG_UART8_IFLOWCONTROL)
# if defined(CONFIG_UART8_RXDMA) && defined(CONFIG_UART8_IFLOWCONTROL)
# warning "RXDMA and IFLOWCONTROL both enabled for UART8. \
This combination can lead to data loss."
#endif
# endif
#endif /* CONFIG_STM32F7_FLOWCONTROL_BROKEN */
/****************************************************************************
* Private Types
@ -2211,6 +2224,22 @@ static bool up_rxflowcontrol(struct uart_dev_s *dev,
/* Assert/de-assert nRTS set it high resume/stop sending */
stm32_gpiowrite(priv->rts_gpio, upper);
if (upper)
{
/* With heavy Rx traffic, RXNE might be set and data pending.
* Returning 'true' in such case would cause RXNE left unhandled
* and causing interrupt storm. Sending end might be also be slow
* to react on nRTS, and returning 'true' here would prevent
* processing that data.
*
* Therefore, return 'false' so input data is still being processed
* until sending end reacts on nRTS signal and stops sending more.
*/
return false;
}
return upper;
}

12
arch/arm/src/stm32l4/chip/stm32l4_exti.h
View File

@ -167,13 +167,13 @@
/* Pending register */
#define EXTI_IMR1_BIT(n) STM32L4_EXTI1_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_IMR1_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_IMR1_MASK STM32L4_EXTI1_MASK
#define EXTI_PR1_BIT(n) STM32L4_EXTI1_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_PR1_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_PR1_MASK STM32L4_EXTI1_MASK
#define EXTI_IMR2_BIT(n) STM32L4_EXTI2_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_IMR2_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_IMR2_MASK STM32L4_EXTI2_MASK
#define EXTI_PR2_BIT(n) STM32L4_EXTI2_BIT(n) /* 1=Selected trigger request occurred */
#define EXTI_PR2_SHIFT (0) /* Bits 0-X: Pending bit for all lines */
#define EXTI_PR2_MASK STM32L4_EXTI2_MASK
#endif /* __ARCH_ARM_SRC_STM32L4_CHIP_STM32L4_EXTI_H */

1
include/nuttx/net/arp.h
View File

@ -69,6 +69,7 @@
*/
#define ARPHRD_ETHER 1 /* Ethernet */
#define ARPHRD_IEEE80211    801 /* IEEE 802.11 */
#define ARPHRD_IEEE802154 804 /* IEEE 802.15.4 */
/****************************************************************************

38
include/nuttx/wireless/wireless.h
View File

@ -213,11 +213,26 @@
#define IW_MODE_SECOND 5 /* Secondary master/repeater (backup) */
#define IW_MODE_MONITOR 6 /* Passive monitor (listen only) */
#define IW_MODE_MESH 7 /* Mesh (IEEE 802.11s) network */
#define IW_MODE_NFLAGS 8
/* Frequency flags */
#define IW_FREQ_AUTO 0x00 /* Let the driver decides */
#define IW_FREQ_FIXED 0x01 /* Force a specific value */
#define IW_FREQ_AUTO 0 /* Let the driver decides */
#define IW_FREQ_FIXED 1 /* Force a specific value */
#define IW_FREQ_NFLAGS 2
#define IW_MAX_FREQUENCIES 32 /* Max. frequencies in struct iw_range */
/* Transmit Power flags available */
#define IW_TXPOW_DBM 0 /* Value is in dBm */
#define IW_TXPOW_MWATT 1 /* Value is in mW */
#define IW_TXPOW_RELATIVE 2 /* Value is in arbitrary units */
#define IW_TXPOW_NFLAGS 3
/* Scan-related */
#define IW_SCAN_MAX_DATA 4096 /* Maximum size of returned data */
/************************************************************************************
* Public Types
@ -319,9 +334,26 @@ union iwreq_data
struct iwreq
{
char ifrn_name[IFNAMSIZ]; /* Interface name, e.g. "eth0" */
char ifr_name[IFNAMSIZ]; /* Interface name, e.g. "eth0" */
union iwreq_data u; /* Data payload */
};
/* Range of parameters (currently only frequencies) */
struct iw_range
{
uint8_t num_frequency; /* Number of frequencies in the freq[] list */
struct iw_freq freq[IW_MAX_FREQUENCIES];
};
/* A Wireless Event. */
struct iw_event
{
uint16_t len; /* Real length of ata */
uint16_t cmd; /* Wireless IOCTL command*/
union iwreq_data u; /* Fixed IOCTL payload */
};
#endif /* CONFIG_DRIVERS_WIRELESS */
#endif /* __INCLUDE_NUTTX_WIRELESS_H */

8
libxx/Makefile
View File

@ -50,13 +50,19 @@ endif
ifeq (,$(findstring y,$(CONFIG_UCLIBCXX) $(CONFIG_LIBCXX)))
CXXSRCS += libxx_delete.cxx libxx_deletea.cxx libxx_new.cxx libxx_newa.cxx
CXXSRCS += libxx_stdthrow.cxx libxx_cxa_guard.cxx
CXXSRCS += libxx_stdthrow.cxx
else
ifeq (,$(findstring y,$(CONFIG_UCLIBCXX_EXCEPTION) $(CONFIG_LIBCXX_EXCEPTION)))
CXXSRCS += libxx_stdthrow.cxx
endif
endif
# uClibc++ doesn't need this file
ifneq ($(CONFIG_UCLIBCXX),y)
CXXSRCS += libxx_cxa_guard.cxx
endif
# Paths
DEPPATH = --dep-path .

8
sched/pthread/pthread.h
View File

@ -121,6 +121,14 @@ void pthread_mutex_inconsistent(FAR struct pthread_tcb_s *tcb);
# define pthread_mutex_give(m) pthread_givesemaphore(&(m)->sem)
#endif
#ifdef CONFIG_CANCELLATION_POINTS
uint16_t pthread_disable_cancel(void);
void pthread_enable_cancel(uint16_t oldstate);
#else
# define pthread_disable_cancel() (0)
# define pthread_enable_cancel(s) UNUSED(s)
#endif
#ifdef CONFIG_PTHREAD_MUTEX_TYPES
int pthread_mutexattr_verifytype(int type);
#endif

7
sched/pthread/pthread_condtimedwait.c
View File

@ -167,9 +167,10 @@ int pthread_cond_timedwait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex,
FAR const struct timespec *abstime)
{
FAR struct tcb_s *rtcb = this_task();
irqstate_t flags;
uint16_t oldstate;
int ticks;
int mypid = (int)getpid();
irqstate_t flags;
int ret = OK;
int status;
@ -316,7 +317,11 @@ int pthread_cond_timedwait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex,
/* Reacquire the mutex (retaining the ret). */
sinfo("Re-locking...\n");
oldstate = pthread_disable_cancel();
status = pthread_mutex_take(mutex, false);
pthread_enable_cancel(oldstate);
if (status == OK)
{
mutex->pid = mypid;

11
sched/pthread/pthread_condwait.c
View File

@ -95,6 +95,8 @@ int pthread_cond_wait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex)
}
else
{
uint16_t oldstate;
/* Give up the mutex */
sinfo("Give up mutex / take cond\n");
@ -117,12 +119,17 @@ int pthread_cond_wait(FAR pthread_cond_t *cond, FAR pthread_mutex_t *mutex)
/* Reacquire the mutex.
*
* REVISIT: When cancellation points are enabled, we will almost
* certainly hold the mutex when the pthread is canceled.
* When cancellation points are enabled, we need to
* hold the mutex when the pthread is canceled and
* cleanup handlers, if any, are entered.
*/
sinfo("Reacquire mutex...\n");
oldstate = pthread_disable_cancel();
status = pthread_mutex_take(mutex, false);
pthread_enable_cancel(oldstate);
if (ret == OK)
{
/* Report the first failure that occurs */

83
sched/pthread/pthread_mutex.c
View File

@ -95,8 +95,8 @@ static void pthread_mutex_add(FAR struct pthread_mutex_s *mutex)
* mutex to the list of mutexes held by this thread.
*
* Parameters:
* mutex - The mux to be locked
* intr - false: ignore EINTR errors when locking; true tread EINTR as
* mutex - The mutex to be locked
* intr - false: ignore EINTR errors when locking; true treat EINTR as
* other errors by returning the errno value
*
* Return Value:
@ -126,15 +126,11 @@ int pthread_mutex_take(FAR struct pthread_mutex_s *mutex, bool intr)
else
{
/* Take semaphore underlying the mutex. pthread_takesemaphore
* returns zero on success and a positive errno value on failue.
* returns zero on success and a positive errno value on failure.
*/
ret = pthread_takesemaphore(&mutex->sem, intr);
if (ret != OK)
{
ret = get_errno();
}
else
if (ret == OK)
{
/* Check if the holder of the mutex has terminated without
* releasing. In that case, the state of the mutex is
@ -169,8 +165,8 @@ int pthread_mutex_take(FAR struct pthread_mutex_s *mutex, bool intr)
* mutex to the list of mutexes held by this thread.
*
* Parameters:
* mutex - The mux to be locked
* intr - false: ignore EINTR errors when locking; true tread EINTR as
* mutex - The mutex to be locked
* intr - false: ignore EINTR errors when locking; true treat EINTR as
* other errors by returning the errno value
*
* Return Value:
@ -283,3 +279,70 @@ int pthread_mutex_give(FAR struct pthread_mutex_s *mutex)
return ret;
}
/****************************************************************************
* Name: pthread_disable_cancel() and pthread_enable_cancel()
*
* Description:
* Temporarily disable cancellation and return old cancel state, which
* can later be restored. This is useful when a cancellation point
* function is called from within the OS by a non-cancellation point:
* In certain such cases, we need to defer the cancellation to prevent
* bad things from happening.
*
* Parameters:
* saved cancel flags for pthread_enable_cancel()
*
* Return Value:
* old cancel flags for pthread_disable_cancel()
*
****************************************************************************/
#ifdef CONFIG_CANCELLATION_POINTS
uint16_t pthread_disable_cancel(void)
{
FAR struct pthread_tcb_s *tcb = (FAR struct pthread_tcb_s *)this_task();
irqstate_t flags;
uint16_t old;
/* We need perform the following operations from within a critical section
* because it can compete with interrupt level activity.
*/
flags = enter_critical_section();
old = tcb->cmn.flags & (TCB_FLAG_CANCEL_PENDING | TCB_FLAG_NONCANCELABLE);
tcb->cmn.flags &= ~(TCB_FLAG_CANCEL_PENDING | TCB_FLAG_NONCANCELABLE);
leave_critical_section(flags);
return old;
}
void pthread_enable_cancel(uint16_t cancelflags)
{
FAR struct pthread_tcb_s *tcb = (FAR struct pthread_tcb_s *)this_task();
irqstate_t flags;
/* We need perform the following operations from within a critical section
* because it can compete with interrupt level activity.
*/
flags = enter_critical_section();
tcb->cmn.flags |= cancelflags;
/* What should we do if there is a pending cancellation?
*
* If the thread is executing with deferred cancellation, we need do
* nothing more; the cancellation cannot occur until the next
* cancellation point.
*
* However, if the thread is executing in asynchronous cancellation mode,
* then we need to terminate now by simply calling pthread_exit().
*/
if ((tcb->cmn.flags & TCB_FLAG_CANCEL_DEFERRED) == 0 &&
(tcb->cmn.flags & TCB_FLAG_CANCEL_PENDING) != 0)
{
pthread_exit(NULL);
}
leave_critical_section(flags);
}
#endif /* CONFIG_CANCELLATION_POINTS */