diff options
Diffstat (limited to 'nuttx')
-rw-r--r-- | nuttx/drivers/wireless/cc3000/cc3000.c | 895 | ||||
-rw-r--r-- | nuttx/drivers/wireless/cc3000/cc3000.h | 52 | ||||
-rw-r--r-- | nuttx/drivers/wireless/cc3000/evnt_handler.c | 85 | ||||
-rw-r--r-- | nuttx/drivers/wireless/cc3000/socket.c | 14 | ||||
-rw-r--r-- | nuttx/drivers/wireless/cc3000/spi.c | 58 | ||||
-rw-r--r-- | nuttx/drivers/wireless/cc3000/spi.h | 1 |
6 files changed, 674 insertions, 431 deletions
diff --git a/nuttx/drivers/wireless/cc3000/cc3000.c b/nuttx/drivers/wireless/cc3000/cc3000.c index 21ef594b7..99ac62131 100644 --- a/nuttx/drivers/wireless/cc3000/cc3000.c +++ b/nuttx/drivers/wireless/cc3000/cc3000.c @@ -3,14 +3,14 @@ * * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. * Authors: Gregory Nutt <gnutt@nuttx.org> - * David_s5 <david_s5@nscdg.com> + * David_s5 <david_s5@nscdg.com> * * References: * CC30000 from Texas Instruments http://processors.wiki.ti.com/index.php/CC3000 * * See also: - * http://processors.wiki.ti.com/index.php/CC3000_Host_Driver_Porting_Guide - * http://processors.wiki.ti.com/index.php/CC3000_Host_Programming_Guide + * http://processors.wiki.ti.com/index.php/CC3000_Host_Driver_Porting_Guide + * http://processors.wiki.ti.com/index.php/CC3000_Host_Programming_Guide * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -55,6 +55,7 @@ #include <unistd.h> #include <string.h> #include <fcntl.h> +#include <pthread.h> #include <semaphore.h> #include <poll.h> #include <errno.h> @@ -66,7 +67,7 @@ #include <nuttx/arch.h> #include <nuttx/fs/fs.h> #include <nuttx/spi/spi.h> -#include <nuttx/wqueue.h> +#include <arpa/inet.h> #include <nuttx/wireless/wireless.h> #include <nuttx/wireless/cc3000.h> @@ -79,9 +80,15 @@ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ + +#if CC3000_RX_BUFFER_SIZE > CONFIG_MQ_MAXMSGSIZE +#error "CONFIG_MQ_MAXMSGSIZE needs to be >= CC3000_RX_BUFFER_SIZE" +#endif + #ifndef ARRAY_SIZE # define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #endif +#define NUMBER_OF_MSGS 2 /**************************************************************************** * Private Types @@ -90,22 +97,16 @@ /**************************************************************************** * Private Function Prototypes ****************************************************************************/ -/* Low-level SPI helpers */ +/* Low-level SPI helpers */ -#ifdef CONFIG_SPI_OWNBUS -# define cc3000_lock(spi) -# define cc3000_unlock(spi) -#else -static void cc3000_lock(FAR struct spi_dev_s *spi); -static void cc3000_unlock(FAR struct spi_dev_s *spi); -#endif - +static void cc3000_lock_and_select(FAR struct spi_dev_s *spi); +static void cc3000_deselect_and_unlock(FAR struct spi_dev_s *spi); /* Interrupts and data sampling */ static void cc3000_notify(FAR struct cc3000_dev_s *priv); -static void cc3000_worker(FAR void *arg); +static void *cc3000_worker(FAR void *arg); static int cc3000_interrupt(int irq, FAR void *context); /* Character driver methods */ @@ -127,14 +128,14 @@ static int cc3000_poll(FAR struct file *filep, struct pollfd *fds, bool setup); static const struct file_operations cc3000_fops = { - cc3000_open, /* open */ - cc3000_close, /* close */ - cc3000_read, /* read */ - cc3000_write, /* write */ + cc3000_open, /* open */ + cc3000_close, /* close */ + cc3000_read, /* read */ + cc3000_write, /* write */ 0, /* seek */ - cc3000_ioctl, /* ioctl */ + cc3000_ioctl, /* ioctl */ #ifndef CONFIG_DISABLE_POLL - cc3000_poll /* poll */ + cc3000_poll /* poll */ #endif }; @@ -153,11 +154,59 @@ static struct cc3000_dev_s *g_cc3000list; uint8_t spi_readCommand[] = READ_COMMAND; - /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** + * Name: cc3000_devtake() and cc3000_devgive() + * + * Description: + * Used to get exclusive access to a CC3000 driver. + * + ****************************************************************************/ + +static int cc3000_devtake(FAR struct cc3000_dev_s *priv) +{ + int rv; + + /* Take the semaphore (perhaps waiting) */ + + while ((rv = sem_wait(&priv->devsem)) != 0) + { + /* The only case that an error should occur here is if the wait was awakened + * by a signal. + */ + + DEBUGASSERT(rv == OK || errno == EINTR); + } + + return rv; +} + +static inline int cc3000_devgive(FAR struct cc3000_dev_s *priv) +{ + return sem_post(&priv->devsem); +} + +/************************************************************************************ + * Name: usdelay() + * + * Description: + * timeout = the time out is uS + * + ************************************************************************************/ + +static void usdelay(long ustimeout) +{ + volatile int j; + + ustimeout = 1 + (ustimeout * CONFIG_BOARD_LOOPSPERMSEC)/1000; + for (j = 0; j < ustimeout; j++) + { + } +} + +/**************************************************************************** * Function: cc3000_configspi * * Description: @@ -176,16 +225,14 @@ uint8_t spi_readCommand[] = READ_COMMAND; ****************************************************************************/ static inline void cc3000_configspi(FAR struct spi_dev_s *spi) { - idbg("Mode: %d Bits: 8 Frequency: %d\n",CONFIG_CC3000_SPIMODE, CONFIG_CC3000_FREQUENCY); - SPI_SELECT(spi, SPIDEV_WIRELESS, true); - SPI_SETMODE(spi, CONFIG_CC3000_SPIMODE); - SPI_SETBITS(spi, 8); - SPI_SETFREQUENCY(spi, CONFIG_CC3000_SPI_FREQUENCY); - SPI_SELECT(spi, SPIDEV_WIRELESS, false); + idbg("Mode: %d Bits: 8 Frequency: %d\n", + CONFIG_CC3000_SPIMODE, CONFIG_CC3000_SPI_FREQUENCY); + SPI_SETMODE(spi, CONFIG_CC3000_SPIMODE); + SPI_SETBITS(spi, 8); + SPI_SETFREQUENCY(spi, CONFIG_CC3000_SPI_FREQUENCY); } - /**************************************************************************** * Function: cc3000_lock * @@ -204,23 +251,26 @@ static inline void cc3000_configspi(FAR struct spi_dev_s *spi) * ****************************************************************************/ -#ifndef CONFIG_SPI_OWNBUS -static void cc3000_lock(FAR struct spi_dev_s *spi) +static void cc3000_lock_and_select(FAR struct spi_dev_s *spi) { +#ifndef CONFIG_SPI_OWNBUS /* Lock the SPI bus because there are multiple devices competing for the * SPI bus */ /* Lock the SPI bus so that we have exclusive access */ + (void)SPI_LOCK(spi, true); +#endif /* We have the lock. Now make sure that the SPI bus is configured for the * CC3000 (it might have gotten configured for a different device while * unlocked) */ + cc3000_configspi(spi); + SPI_SELECT(spi, SPIDEV_WIRELESS, true); } -#endif /**************************************************************************** * Function: cc3000_unlock @@ -240,63 +290,116 @@ static void cc3000_lock(FAR struct spi_dev_s *spi) * ****************************************************************************/ -#ifndef CONFIG_SPI_OWNBUS -static void cc3000_unlock(FAR struct spi_dev_s *spi) +static void cc3000_deselect_and_unlock(FAR struct spi_dev_s *spi) { + /* De select */ + + SPI_SELECT(spi, SPIDEV_WIRELESS, false); + +#ifndef CONFIG_SPI_OWNBUS /* Relinquish the SPI bus. */ (void)SPI_LOCK(spi, false); -} #endif +} /**************************************************************************** - * Function: cc3000_wait_irq + * Function: cc3000_wait * * Description: - * Helper function to wait on the readysem signaled by the interrupt + * Helper function to wait on the semaphore signaled by the * * Parameters: * priv - Reference to the CC3000 driver structure + * priv - * * Returned Value: * 0 - Semaphore signaled and devsem retaken - * < 0 - Some Error occurred + * < 0 - Some Error occurred * Assumptions: * Own the devsem on entry * ****************************************************************************/ -static int cc3000_wait_irq(FAR struct cc3000_dev_s *priv) + +static int cc3000_wait(FAR struct cc3000_dev_s *priv, sem_t* psem) { int ret; - // Give up + /* Give up */ + sched_lock(); - sem_post(&priv->devsem); + cc3000_devgive(priv); - // Wait on first IRQ t come after Power Up - ret = sem_wait(&priv->readysem); - sched_unlock(); + /* Wait on first psem to become signaled */ + ret = sem_wait(psem); if (ret >= 0) - { - /* Yes... then retake the mutual exclusion semaphore */ + { + /* Yes... then retake the mutual exclusion semaphore */ - ret = sem_wait(&priv->devsem); - } + ret = cc3000_devtake(priv); + } -/* Was the semaphore wait successful? Did we successful re-take the - * mutual exclusion semaphore? - */ + sched_unlock(); + + /* Was the semaphore wait successful? Did we successful re-take the + * mutual exclusion semaphore? + */ if (ret < 0) - { - /* No.. One of the two sem_wait's failed. */ - ret = -errno; - } + { + /* No.. One of the two sem_wait's failed. */ + + ret = -errno; + } + return ret; } /**************************************************************************** + * Function: cc3000_wait_irq + * + * Description: + * Helper function to wait on the irqsem signaled by the interrupt + * + * Parameters: + * priv - Reference to the CC3000 driver structure + * + * Returned Value: + * 0 - Semaphore signaled and devsem retaken + * < 0 - Some Error occurred + * Assumptions: + * Own the devsem on entry + * + ****************************************************************************/ + +static inline int cc3000_wait_irq(FAR struct cc3000_dev_s *priv) +{ + return cc3000_wait(priv,&priv->irqsem); +} + +/**************************************************************************** + * Function: cc3000_wait_ready + * + * Description: + * Helper function to wait on the readysem signaled by the interrupt + * + * Parameters: + * priv - Reference to the CC3000 driver structure + * + * Returned Value: + * 0 - Semaphore signaled and devsem retaken + * < 0 - Some Error occurred + * Assumptions: + * Own the devsem on entry + * + ****************************************************************************/ +static inline int cc3000_wait_ready(FAR struct cc3000_dev_s *priv) +{ + return cc3000_wait(priv,&priv->readysem); +} + +/**************************************************************************** * Name: cc3000_notify ****************************************************************************/ @@ -332,22 +435,24 @@ static void cc3000_notify(FAR struct cc3000_dev_s *priv) if (fds) { fds->revents |= POLLIN; - ivdbg("Report events: %02x\n", fds->revents); + nllvdbg("Report events: %02x\n", fds->revents); sem_post(fds->sem); } } #endif } - /**************************************************************************** - * Name: cc3000_schedule + * Name: cc3000_worker ****************************************************************************/ -static int cc3000_schedule(FAR struct cc3000_dev_s *priv) +static void * cc3000_worker(FAR void *arg) { + FAR struct cc3000_dev_s *priv = (FAR struct cc3000_dev_s *)arg; FAR struct cc3000_config_s *config; - int ret; + int ret; + + ASSERT(priv != NULL); /* Get a pointer the callbacks for convenience (and so the code is not so * ugly). @@ -356,108 +461,108 @@ static int cc3000_schedule(FAR struct cc3000_dev_s *priv) config = priv->config; DEBUGASSERT(config != NULL); - DEBUGASSERT(priv->work.worker == NULL); - ret = work_queue(HPWORK, &priv->work, cc3000_worker, priv, 0); - if (ret != 0) + /* We have started release our creator*/ + + sem_post(&priv->readysem); + while(1) { - illdbg("Failed to queue work: %d\n", ret); - } + cc3000_devtake(priv); - return OK; -} + /* Done ? */ + if ((cc3000_wait_irq(priv) != -EINTR) && (priv->workertid != -1)) + { + nllvdbg("State%d\n",priv->state); + switch (priv->state) + { + case eSPI_STATE_POWERUP: + /* Signal the device has interrupted after power up */ + priv->state = eSPI_STATE_INITIALIZED; + sem_post(&priv->readysem); + break; -/**************************************************************************** - * Name: cc3000_worker - ****************************************************************************/ + case eSPI_STATE_WRITE_WAIT_IRQ: + /* Signal the device has interrupted after Chip Select During a write operation */ + priv->state = eSPI_STATE_WRITE_PROCEED; + sem_post(&priv->readysem); + break; -static void cc3000_worker(FAR void *arg) -{ - FAR struct cc3000_dev_s *priv = (FAR struct cc3000_dev_s *)arg; - FAR struct cc3000_config_s *config; - int ret; + case eSPI_STATE_WRITE_DONE: /* IRQ post a write => Solicited */ + case eSPI_STATE_IDLE: /* IRQ when Idel => cc3000 has data for the hosts Unsolicited */ + { + uint16_t data_to_recv; + priv->state = eSPI_STATE_READ_IRQ; - ASSERT(priv != NULL); + /* Issue the read command */ - /* Get a pointer the callbacks for convenience (and so the code is not so - * ugly). - */ + cc3000_lock_and_select(priv->spi); /* Assert CS */ + priv->state = eSPI_STATE_READ_PROCEED; + SPI_EXCHANGE(priv->spi,spi_readCommand,priv->rx_buffer, ARRAY_SIZE(spi_readCommand)); - config = priv->config; - DEBUGASSERT(config != NULL); + /* Extract Length bytes from Rx Buffer */ - /* Get exclusive access to the driver data structure */ + uint16_t *pnetlen = (uint16_t *) &priv->rx_buffer[READ_OFFSET_TO_LENGTH]; + data_to_recv = ntohs(*pnetlen); - do - { - ret = sem_wait(&priv->devsem); + if (data_to_recv) + { + /* We will read ARRAY_SIZE(spi_readCommand) + data_to_recv. is it odd? */ - /* This should only fail if the wait was canceled by an signal - * (and the worker thread will receive a lot of signals). - */ + if ((data_to_recv + ARRAY_SIZE(spi_readCommand)) & 1) + { + /* Odd so make it even */ - DEBUGASSERT(ret == OK || errno == EINTR); - } - while (ret < 0); - - switch (priv->state) { - - case eSPI_STATE_POWERUP: - // Signal the device has interrupted after power up - priv->state = eSPI_STATE_INITIALIZED; - sem_post(&priv->readysem); - break; - - case eSPI_STATE_WRITE_WAIT_IRQ: - // Signal the device has interrupted after Chip Select During a write operation - priv->state = eSPI_STATE_WRITE_PROCEED; - sem_post(&priv->readysem); - break; - - - case eSPI_STATE_WRITE_DONE: // IRQ post a write => Solicited - case eSPI_STATE_IDLE: // IRQ when Idel => cc3000 has data for the hosts Unsolicited - { - uint16_t data_to_recv; - priv->state = eSPI_STATE_READ_IRQ; - // Issue the read command - cc3000_lock(priv->spi); // Assert CS - priv->state = eSPI_STATE_READ_PROCEED; - SPI_EXCHANGE(priv->spi,spi_readCommand,priv->rx_buffer, ARRAY_SIZE(spi_readCommand)); - // Extract Length bytes from Rx Buffer - STREAM_TO_UINT16((char*)priv->rx_buffer, READ_OFFSET_TO_LENGTH, data_to_recv); - // We will read ARRAY_SIZE(spi_readCommand) + data_to_recv. is it odd? - if ((data_to_recv + ARRAY_SIZE(spi_readCommand)) & 1) { - // odd so make it even - data_to_recv++; - } - // Read the whole payload in at the beginning of the buffer - if (data_to_recv) { - // Will it fit? - DEBUGASSERT(data_to_recv < ARRAY_SIZE(priv->rx_buffer)); - SPI_RECVBLOCK(priv->spi, priv->rx_buffer, data_to_recv); - } - cc3000_unlock(priv->spi); // De assert CS - // Disable IrQ as the wl code will resume via CC3000IOC_COMPLETE - priv->config->irq_enable(priv->config,false); - priv->state = eSPI_STATE_READ_READY; - priv->rx_buffer_len = data_to_recv; - - ret = mq_send(priv->queue, priv->rx_buffer, data_to_recv, 1); - DEBUGASSERT(ret>=0); - - } - break; - default: - PANIC(); - break; - } - - /* Notify any waiters that new CC3000 data is available */ - - cc3000_notify(priv); - - sem_post(&priv->devsem); + data_to_recv++; + } + + /* Read the whole payload in at the beginning of the buffer + * Will it fit? + */ + + DEBUGASSERT(data_to_recv < ARRAY_SIZE(priv->rx_buffer)); + SPI_RECVBLOCK(priv->spi, priv->rx_buffer, data_to_recv); + } + + cc3000_deselect_and_unlock(priv->spi); /* De assert CS */ + + /* Disable more messages as the wl code will resume via CC3000IOC_COMPLETE */ + + if (data_to_recv) + { + priv->state = eSPI_STATE_READ_READY; + priv->rx_buffer_len = data_to_recv; + + ret = mq_send(priv->queue, priv->rx_buffer, data_to_recv, 1); + DEBUGASSERT(ret>=0); + + /* Notify any waiters that new CC3000 data is available */ + + cc3000_notify(priv); + + /* Give up driver */ + + cc3000_devgive(priv); + nllvdbg("Wait On Completion\n"); + sem_wait(&priv->wrkwaitsem); + nllvdbg("Completed S:%d\n",priv->state); + if (priv->state == eSPI_STATE_READ_READY) + { + priv->state = eSPI_STATE_IDLE; + } + + continue; + } + } /* eSPI_STATE_WRITE_DONE or eSPI_STATE_IDLE */ + break; + + default: + nllvdbg("default: State%d\n",priv->state); + break; + } /* end switch */ + } /* end if */ + + cc3000_devgive(priv); + } /* while(1) */ } /**************************************************************************** @@ -467,7 +572,6 @@ static void cc3000_worker(FAR void *arg) static int cc3000_interrupt(int irq, FAR void *context) { FAR struct cc3000_dev_s *priv; - int ret; /* Which CC3000 device caused the interrupt? */ @@ -481,13 +585,14 @@ static int cc3000_interrupt(int irq, FAR void *context) ASSERT(priv != NULL); #endif - /* Schedule sampling to occur on the worker thread */ - ret = cc3000_schedule(priv); + /* Run the worker thread */ + + sem_post(&priv->irqsem); /* Clear any pending interrupts and return success */ priv->config->irq_clear(priv->config); - return ret; + return OK; } /**************************************************************************** @@ -496,30 +601,29 @@ static int cc3000_interrupt(int irq, FAR void *context) static int cc3000_open(FAR struct file *filep) { - FAR struct inode *inode; + FAR struct inode *inode; struct mq_attr attr; + pthread_attr_t tattr; + struct sched_param param; char queuename[QUEUE_NAMELEN]; FAR struct cc3000_dev_s *priv; - uint8_t tmp; - int ret; + uint8_t tmp; + int ret; - ivdbg("Opening\n"); + nllvdbg("Opening\n"); DEBUGASSERT(filep); inode = filep->f_inode; DEBUGASSERT(inode && inode->i_private); - priv = (FAR struct cc3000_dev_s *)inode->i_private; + priv = (FAR struct cc3000_dev_s *)inode->i_private; /* Get exclusive access to the driver data structure */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); if (ret < 0) { - /* This should only happen if the wait was canceled by an signal */ - - DEBUGASSERT(errno == EINTR); - return -EINTR; + return -ret; } /* Increment the reference count */ @@ -537,43 +641,67 @@ static int cc3000_open(FAR struct file *filep) * on the driver.. and an opportunity to do any one-time initialization. */ + if (tmp==1) + { + /* Ensure the power is off so we get the falling edge of IRQ*/ + + priv->config->power_enable(priv->config, false); + + attr.mq_maxmsg = NUMBER_OF_MSGS; + attr.mq_msgsize = CC3000_RX_BUFFER_SIZE; + attr.mq_flags = 0; + + /* Set the flags for the open of the queue. + * Make it a blocking open on the queue, meaning it will block if + * this process tries to send to the queue and the queue is full. + * + * O_CREAT - the queue will get created if it does not already exist. + * O_WRONLY - we are only planning to write to the queue. + * + * Open the queue, and create it if the receiving process hasn't + * already created it. + */ + + snprintf(queuename, QUEUE_NAMELEN, QUEUE_FORMAT, priv->minor); + priv->queue = mq_open(queuename,O_WRONLY|O_CREAT, 0666, &attr); + if (priv->queue < 0) + { + priv->crefs--; + ret = -errno; + goto errout_with_sem; + } + + pthread_attr_init(&tattr); + param.sched_priority = SCHED_PRIORITY_MAX; + pthread_attr_setschedparam(&tattr, ¶m); + ret = pthread_create(&priv->workertid, &tattr, cc3000_worker, (pthread_addr_t)priv); + if (ret < 0) + { + mq_close(priv->queue); + priv->queue = 0; + ret = -errno; + goto errout_with_sem; + } + + priv->state = eSPI_STATE_POWERUP; + priv->config->irq_clear(priv->config); + + /* Bring the device Online A) on http://processors.wiki.ti.com/index.php/File:CC3000_Master_SPI_Write_Sequence_After_Power_Up.png */ + + priv->config->irq_enable(priv->config, true); + + /* Wait on child thread */ + + cc3000_wait_ready(priv); + priv->config->power_enable(priv->config, true); + } - if (tmp==1) { - - attr.mq_maxmsg = 2; - attr.mq_msgsize = CC3000_RX_BUFFER_SIZE; - attr.mq_flags = 0; - - /* Set the flags for the open of the queue. - * Make it a blocking open on the queue, meaning it will block if - * this process tries to send to the queue and the queue is full. - * - * O_CREAT - the queue will get created if it does not already exist. - * O_WRONLY - we are only planning to write to the queue. - * - * Open the queue, and create it if the receiving process hasn't - * already created it. - */ - snprintf(queuename, QUEUE_NAMELEN, QUEUE_FORMAT, priv->minor); - priv->queue = mq_open(queuename,O_WRONLY|O_CREAT, 0666, &attr); - if (priv->queue < 0) - { - priv->crefs--; - ret = -errno; - goto errout_with_sem; - } - - priv->config->irq_clear(priv->config); - priv->config->irq_enable(priv->config, true); - priv->config->power_enable(priv->config, true); - // Bring the device Online A) on http://processors.wiki.ti.com/index.php/File:CC3000_Master_SPI_Write_Sequence_After_Power_Up.png - } /* Save the new open count on success */ priv->crefs = tmp; errout_with_sem: - sem_post(&priv->devsem); + cc3000_devgive(priv); return ret; } @@ -587,7 +715,7 @@ static int cc3000_close(FAR struct file *filep) FAR struct cc3000_dev_s *priv; int ret; - ivdbg("Closing\n"); + nllvdbg("Closing\n"); DEBUGASSERT(filep); inode = filep->f_inode; @@ -596,12 +724,9 @@ static int cc3000_close(FAR struct file *filep) /* Get exclusive access to the driver data structure */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); if (ret < 0) { - /* This should only happen if the wait was canceled by an signal */ - - DEBUGASSERT(errno == EINTR); return -EINTR; } @@ -616,18 +741,21 @@ static int cc3000_close(FAR struct file *filep) priv->crefs--; } - if (tmp == 0) + if (tmp == 1) { - priv->config->irq_enable(priv->config, false); - priv->config->irq_clear(priv->config); - priv->config->power_enable(priv->config, false); - mq_close(priv->queue); - priv->queue = 0; + priv->config->irq_enable(priv->config, false); + priv->config->irq_clear(priv->config); + priv->config->power_enable(priv->config, false); + pthread_t workertid = priv->workertid; + priv->workertid= -1; + pthread_cancel(workertid); + pthread_join(workertid,NULL); + mq_close(priv->queue); + priv->queue = 0; } - sem_post(&priv->devsem); + cc3000_devgive(priv); return OK; - } /**************************************************************************** @@ -635,12 +763,12 @@ static int cc3000_close(FAR struct file *filep) ****************************************************************************/ static ssize_t cc3000_read(FAR struct file *filep, FAR char *buffer, size_t len) { - FAR struct inode *inode; + FAR struct inode *inode; FAR struct cc3000_dev_s *priv; - int ret; - ssize_t nread; + int ret; + ssize_t nread; - ivdbg("buffer:%p len:%d\n", buffer, len); + nllvdbg("buffer:%p len:%d\n", buffer, len); DEBUGASSERT(filep); inode = filep->f_inode; @@ -652,74 +780,69 @@ static ssize_t cc3000_read(FAR struct file *filep, FAR char *buffer, size_t len) */ if (len < CC3000_RX_BUFFER_SIZE) - { - idbg("Unsupported read size: %d\n", len); - nread = -ENOSYS; - goto errout_without_sem; - - } + { + idbg("Unsupported read size: %d\n", len); + nread = -ENOSYS; + goto errout_without_sem; + } /* Get exclusive access to the driver data structure */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); if (ret < 0) - { - /* This should only happen if the wait was canceled by an signal */ - - idbg("sem_wait: %d\n", errno); - DEBUGASSERT(errno == EINTR); - nread = -EINTR; - goto errout_without_sem; - } + { + nread = -errno; + goto errout_without_sem; + } for (nread = priv->rx_buffer_len; nread == 0; nread = priv->rx_buffer_len) - { + { + if (nread > 0) + { + /* Yes.. break out to return what we have. */ - if (nread > 0) { - // Yes.. break out to return what we have. - break; - } + break; + } - /* data is not available now. We would have to wait to get - * receive sample data. If the user has specified the O_NONBLOCK - * option, then just return an error. - */ + /* data is not available now. We would have to wait to get + * receive sample data. If the user has specified the O_NONBLOCK + * option, then just return an error. + */ - ivdbg("CC3000 data is not available\n"); - if (filep->f_oflags & O_NONBLOCK) - { - nread = -EAGAIN; - break; - } + nllvdbg("CC3000 data is not available\n"); + if (filep->f_oflags & O_NONBLOCK) + { + nread = -EAGAIN; + break; + } /* Otherwise, wait for something to be written to the * buffer. Increment the number of waiters so that the notify * will know that it needs to post the semaphore to wake us up. */ - sched_lock(); - priv->nwaiters++; - sem_post(&priv->devsem); + sched_lock(); + priv->nwaiters++; + cc3000_devgive(priv); - /* We may now be pre-empted! But that should be okay because we + /* We may now be pre-empted! But that should be okay because we * have already incremented nwaiters. Pre-emptions is disabled * but will be re-enabled while we are waiting. */ - ivdbg("Waiting..\n"); - ret = sem_wait(&priv->waitsem); - priv->nwaiters--; + nllvdbg("Waiting..\n"); + ret = sem_wait(&priv->waitsem); + priv->nwaiters--; sched_unlock(); - /* Did we successfully get the waitsem? */ if (ret >= 0) { /* Yes... then retake the mutual exclusion semaphore */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); } /* Was the semaphore wait successful? Did we successful re-take the @@ -740,7 +863,7 @@ static ssize_t cc3000_read(FAR struct file *filep, FAR char *buffer, size_t len) { /* Yes.. return the error. */ - nread = -errval; + nread = -errval; } /* Break out to return what we have. Note, we can't exactly @@ -750,12 +873,18 @@ static ssize_t cc3000_read(FAR struct file *filep, FAR char *buffer, size_t len) goto errout_without_sem; } - } + } + + if (nread > 0) + { + memcpy(buffer,priv->rx_buffer,priv->rx_buffer_len); + priv->rx_buffer_len = 0; + } - sem_post(&priv->devsem); + cc3000_devgive(priv); errout_without_sem: - ivdbg("Returning: %d\n", nread); + nllvdbg("Returning: %d\n", nread); #ifndef CONFIG_DISABLE_POLL if (nread > 0) { @@ -772,106 +901,113 @@ errout_without_sem: * Bit of non standard buffer management ahead * The buffer is memory allocated in the user space with space for the spi header ****************************************************************************/ + static ssize_t cc3000_write(FAR struct file *filep, FAR const char *buffer, size_t len) { - FAR struct inode *inode; - FAR struct cc3000_dev_s *priv; - int ret; - ssize_t nwritten = 0; - // Set the padding if count(buffer) is even ( as it will be come odd with header) - size_t tx_len = (len & 1) ? len : len +1; - - ivdbg("buffer:%p len:%d tx_len:%d\n", buffer, len, tx_len ); - - DEBUGASSERT(filep); - inode = filep->f_inode; - - DEBUGASSERT(inode && inode->i_private); - priv = (FAR struct cc3000_dev_s *)inode->i_private; - - /* Get exclusive access to the driver data structure */ - - ret = sem_wait(&priv->devsem); - if (ret < 0) - { - /* This should only happen if the wait was canceled by an signal */ - - idbg("sem_wait: %d\n", errno); - DEBUGASSERT(errno == EINTR); - nwritten = -EINTR; - goto errout_without_sem; - } - - - // - // Figure out the total length of the packet in order to figure out if there is padding or not - // - memcpy(priv->tx_buffer,buffer,tx_len); - priv->tx_buffer[0] = WRITE; - priv->tx_buffer[1] = HI(tx_len); - priv->tx_buffer[2] = LO(tx_len); - priv->tx_buffer[3] = 0; - priv->tx_buffer[4] = 0; - - tx_len += SPI_HEADER_SIZE; - - /* The first write transaction to occur after release of the shutdown has slightly different timing than the others. - * The normal Master SPI write sequence is nCS low, followed by IRQ low (CC3000 host), indicating that - * the CC3000 core device is ready to accept data. However, after power up the sequence is slightly different, - * as shown in the following Figure: http://processors.wiki.ti.com/index.php/File:CC3000_Master_SPI_Write_Sequence_After_Power_Up.png - * The following is a sequence of operations: - * The master detects the IRQ line low: in this case the detection of - * IRQ low does not indicate the intention of the CC3000 device to communicate with the - * master but rather CC3000 readiness after power up. - * The master asserts nCS. - * The master introduces a delay of at least 50 μs before starting actual transmission of data. - * The master transmits the first 4 bytes of the SPI header. - * The master introduces a delay of at least an additional 50 μs. - * The master transmits the rest of the packet. - */ - if (priv->state == eSPI_STATE_POWERUP) - { - ret = cc3000_wait_irq(priv); - if (ret < 0) { - nwritten = ret; - goto errout_without_sem; - } - } - - if (priv->state == eSPI_STATE_INITIALIZED) - { - - cc3000_lock(priv->spi); // Assert CS - usleep(50); - SPI_SNDBLOCK(priv->spi, buffer, 4); - usleep(50); - SPI_SNDBLOCK(priv->spi, buffer+4, tx_len-4); - } - else - { - priv->state = eSPI_STATE_WRITE_WAIT_IRQ; - cc3000_lock(priv->spi); // Assert CS - // Wait on IRQ - ret = cc3000_wait_irq(priv); - if (ret < 0) - { - /* This should only happen if the wait was canceled by an signal */ - cc3000_unlock(priv->spi); - idbg("sem_wait: %d\n", errno); - DEBUGASSERT(errno == EINTR); - nwritten = ret; - goto errout_without_sem; - } - SPI_SNDBLOCK(priv->spi, buffer, tx_len); - } - priv->state = eSPI_STATE_WRITE_DONE; - cc3000_unlock(priv->spi); - nwritten = tx_len; - sem_post(&priv->devsem); + FAR struct inode *inode; + FAR struct cc3000_dev_s *priv; + int ret; + ssize_t nwritten = 0; + + /* Set the padding if count(buffer) is even ( as it will be come odd with header) */ + + size_t tx_len = (len & 1) ? len : len +1; + + nllvdbg("buffer:%p len:%d tx_len:%d\n", buffer, len, tx_len ); + + DEBUGASSERT(filep); + inode = filep->f_inode; + + DEBUGASSERT(inode && inode->i_private); + priv = (FAR struct cc3000_dev_s *)inode->i_private; + + /* Get exclusive access to the driver data structure */ + + ret = cc3000_devtake(priv); + if (ret < 0) + { + /* This should only happen if the wait was canceled by an signal */ + + idbg("sem_wait: %d\n", errno); + nwritten = -errno; + goto errout_without_sem; + } + + /* Figure out the total length of the packet in order to figure out if there is padding or not */ + + priv->tx_buffer[0] = WRITE; + priv->tx_buffer[1] = HI(tx_len); + priv->tx_buffer[2] = LO(tx_len); + priv->tx_buffer[3] = 0; + priv->tx_buffer[4] = 0; + memcpy(&priv->tx_buffer[SPI_HEADER_SIZE],&buffer[SPI_HEADER_SIZE],tx_len); + + tx_len += SPI_HEADER_SIZE; + + /* The first write transaction to occur after release of the shutdown has slightly different timing than the others. + * The normal Master SPI write sequence is nCS low, followed by IRQ low (CC3000 host), indicating that + * the CC3000 core device is ready to accept data. However, after power up the sequence is slightly different, + * as shown in the following Figure: http://processors.wiki.ti.com/index.php/File:CC3000_Master_SPI_Write_Sequence_After_Power_Up.png + * The following is a sequence of operations: + * The master detects the IRQ line low: in this case the detection of + * IRQ low does not indicate the intention of the CC3000 device to communicate with the + * master but rather CC3000 readiness after power up. + * The master asserts nCS. + * The master introduces a delay of at least 50 μs before starting actual transmission of data. + * The master transmits the first 4 bytes of the SPI header. + * The master introduces a delay of at least an additional 50 μs. + * The master transmits the rest of the packet. + */ + + if (priv->state == eSPI_STATE_POWERUP) + { + ret = cc3000_wait_ready(priv); + if (ret < 0) + { + nwritten = ret; + goto errout_without_sem; + } + } + + if (priv->state == eSPI_STATE_INITIALIZED) + { + cc3000_lock_and_select(priv->spi); // Assert CS + usdelay(55); + SPI_SNDBLOCK(priv->spi, priv->tx_buffer, 4); + usdelay(55); + SPI_SNDBLOCK(priv->spi, priv->tx_buffer+4, tx_len-4); + } + else + { + nllvdbg("Assert CS\n"); + priv->state = eSPI_STATE_WRITE_WAIT_IRQ; + cc3000_lock_and_select(priv->spi); // Assert CS + nllvdbg("Wait on IRQ Active\n"); + ret = cc3000_wait_ready(priv); + nllvdbg("IRQ Signaled\n"); + if (ret < 0) + { + /* This should only happen if the wait was canceled by an signal */ + + cc3000_deselect_and_unlock(priv->spi); + nllvdbg("sem_wait: %d\n", errno); + DEBUGASSERT(errno == EINTR); + nwritten = ret; + goto errout_without_sem; + } + + SPI_SNDBLOCK(priv->spi, priv->tx_buffer, tx_len); + } + + priv->state = eSPI_STATE_WRITE_DONE; + nllvdbg("Deassert CS S:eSPI_STATE_WRITE_DONE\n"); + cc3000_deselect_and_unlock(priv->spi); + nwritten = tx_len; + cc3000_devgive(priv); errout_without_sem: - ivdbg("Returning: %d\n", ret); - return nwritten; + nllvdbg("Returning: %d\n", ret); + return nwritten; } /**************************************************************************** @@ -880,11 +1016,11 @@ errout_without_sem: static int cc3000_ioctl(FAR struct file *filep, int cmd, unsigned long arg) { - FAR struct inode *inode; + FAR struct inode *inode; FAR struct cc3000_dev_s *priv; - int ret; + int ret; - ivdbg("cmd: %d arg: %ld\n", cmd, arg); + nllvdbg("cmd: %d arg: %ld\n", cmd, arg); DEBUGASSERT(filep); inode = filep->f_inode; @@ -893,40 +1029,39 @@ static int cc3000_ioctl(FAR struct file *filep, int cmd, unsigned long arg) /* Get exclusive access to the driver data structure */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); if (ret < 0) { /* This should only happen if the wait was canceled by an signal */ - DEBUGASSERT(errno == EINTR); - return -EINTR; + return -errno; } /* Process the IOCTL by command */ + ret = OK; switch (cmd) { case CC3000IOC_COMPLETE: /* arg: Pointer to uint32_t frequency value */ { DEBUGASSERT(priv->config); - priv->state = eSPI_STATE_IDLE; - priv->config->irq_enable(priv->config,true); + sem_post(&priv->wrkwaitsem); } break; case CC3000IOC_GETQUEID: { - FAR int *pid = (FAR int *)(arg); - DEBUGASSERT(pid != NULL); - *pid = priv->minor; - break; + FAR int *pid = (FAR int *)(arg); + DEBUGASSERT(pid != NULL); + *pid = priv->minor; + break; } - default: ret = -ENOTTY; break; } - sem_post(&priv->devsem); + + cc3000_devgive(priv); return ret; } @@ -938,12 +1073,12 @@ static int cc3000_ioctl(FAR struct file *filep, int cmd, unsigned long arg) static int cc3000_poll(FAR struct file *filep, FAR struct pollfd *fds, bool setup) { - FAR struct inode *inode; + FAR struct inode *inode; FAR struct cc3000_dev_s *priv; - int ret = OK; - int i; + int ret = OK; + int i; - ivdbg("setup: %d\n", (int)setup); + nllvdbg("setup: %d\n", (int)setup); DEBUGASSERT(filep && fds); inode = filep->f_inode; @@ -952,13 +1087,12 @@ static int cc3000_poll(FAR struct file *filep, FAR struct pollfd *fds, /* Are we setting up the poll? Or tearing it down? */ - ret = sem_wait(&priv->devsem); + ret = cc3000_devtake(priv); if (ret < 0) { /* This should only happen if the wait was canceled by an signal */ - DEBUGASSERT(errno == EINTR); - return -EINTR; + return -errno; } if (setup) @@ -998,7 +1132,7 @@ static int cc3000_poll(FAR struct file *filep, FAR struct pollfd *fds, /* Should we immediately notify on any of the requested events? */ - if (priv->penchange) + if (priv->rx_buffer_len) { cc3000_notify(priv); } @@ -1017,7 +1151,7 @@ static int cc3000_poll(FAR struct file *filep, FAR struct pollfd *fds, } errout: - sem_post(&priv->devsem); + cc3000_devgive(priv); return ret; } #endif @@ -1060,7 +1194,7 @@ int cc3000_register(FAR struct spi_dev_s *spi, #endif int ret; - ivdbg("spi: %p minor: %d\n", spi, minor); + nllvdbg("spi: %p minor: %d\n", spi, minor); /* Debug-only sanity checks */ @@ -1083,13 +1217,15 @@ int cc3000_register(FAR struct spi_dev_s *spi, memset(priv, 0, sizeof(struct cc3000_dev_s)); - priv->minor = minor; /* Save the minor number */ - priv->spi = spi; /* Save the SPI device handle */ - priv->config = config; /* Save the board configuration */ + priv->minor = minor; /* Save the minor number */ + priv->spi = spi; /* Save the SPI device handle */ + priv->config = config; /* Save the board configuration */ sem_init(&priv->devsem, 0, 1); /* Initialize device structure semaphore */ sem_init(&priv->waitsem, 0, 0); /* Initialize event wait semaphore */ - sem_init(&priv->readysem, 0, 0); /* Initialize IRQ Ready semaphore */ + sem_init(&priv->irqsem, 0, 0); /* Initialize IRQ Ready semaphore */ + sem_init(&priv->readysem, 0, 0); /* Initialize Device Ready semaphore */ + sem_init(&priv->wrkwaitsem, 0, 0); /* Initialize Worker Wait semaphore */ /* Make sure that interrupts are disabled */ @@ -1108,7 +1244,7 @@ int cc3000_register(FAR struct spi_dev_s *spi, /* Register the device as an input device */ (void)snprintf(devname, DEV_NAMELEN, DEV_FORMAT, minor); - ivdbg("Registering %s\n", devname); + nllvdbg("Registering %s\n", devname); ret = register_driver(devname, &cc3000_fops, 0666, priv); if (ret < 0) @@ -1117,7 +1253,6 @@ int cc3000_register(FAR struct spi_dev_s *spi, goto errout_with_priv; } - /* If multiple CC3000 devices are supported, then we will need to add * this new instance to a list of device instances so that it can be * found by the interrupt handler based on the recieved IRQ number. diff --git a/nuttx/drivers/wireless/cc3000/cc3000.h b/nuttx/drivers/wireless/cc3000/cc3000.h index d0d143959..f3f831efe 100644 --- a/nuttx/drivers/wireless/cc3000/cc3000.h +++ b/nuttx/drivers/wireless/cc3000/cc3000.h @@ -9,8 +9,8 @@ * CC30000 from Texas Instruments http://processors.wiki.ti.com/index.php/CC3000 * * See also: - * http://processors.wiki.ti.com/index.php/CC3000_Host_Driver_Porting_Guide - * http://processors.wiki.ti.com/index.php/CC3000_Host_Programming_Guide + * http://processors.wiki.ti.com/index.php/CC3000_Host_Driver_Porting_Guide + * http://processors.wiki.ti.com/index.php/CC3000_Host_Programming_Guide * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -61,19 +61,15 @@ * Pre-Processor Definitions ****************************************************************************/ -/* CC3000 Interfaces *********************************************************************/ +/* CC3000 Interfaces ********************************************************/ -/* Driver support **************************************************************************/ +/* Driver support ***********************************************************/ /* This format is used to construct the /dev/input[n] device driver path. It * defined here so that it will be used consistently in all places. */ - -/******************************************************************************************** - * Public Types - ********************************************************************************************/ #define READ 3 -#define READ_COMMAND {READ, 0 , 0 , 0 , 0} +#define READ_COMMAND {READ, 0 , 0 , 0 , 0} #define READ_OFFSET_TO_LENGTH 3 //cmd dmy dmy lh ll #define WRITE 1 @@ -82,38 +78,44 @@ #define SPI_HEADER_SIZE (5) +/**************************************************************************** + * Public Types + ****************************************************************************/ /* This structure describes the state of one CC3000 driver instance */ -typedef enum { - eSPI_STATE_POWERUP = 0, - eSPI_STATE_INITIALIZED, - eSPI_STATE_IDLE, - eSPI_STATE_WRITE_WAIT_IRQ, - eSPI_STATE_WRITE_PROCEED, - eSPI_STATE_WRITE_DONE, - eSPI_STATE_READ_IRQ, - eSPI_STATE_READ_PROCEED, - eSPI_STATE_READ_READY, +typedef enum +{ + eSPI_STATE_POWERUP = 0, + eSPI_STATE_INITIALIZED, + eSPI_STATE_IDLE, + eSPI_STATE_WRITE_WAIT_IRQ, + eSPI_STATE_WRITE_PROCEED, + eSPI_STATE_WRITE_DONE, + eSPI_STATE_READ_IRQ, + eSPI_STATE_READ_PROCEED, + eSPI_STATE_READ_READY, } eDeviceStates; struct cc3000_dev_s { #ifdef CONFIG_CC3000_MULTIPLE - FAR struct cc3000_dev_s *flink; /* Supports a singly linked list of drivers */ + FAR struct cc3000_dev_s *flink; /* Supports a singly linked list of drivers */ #endif + pthread_t workertid; /* Handle for the worker thread */ uint8_t crefs; /* Number of times the device has been opened */ uint8_t nwaiters; /* Number of threads waiting for CC3000 data */ uint8_t minor; /* minor */ sem_t devsem; /* Manages exclusive access to this structure */ + sem_t wrkwaitsem; /* Suspend and resume the delivery of messages */ sem_t waitsem; /* Used to wait for the availability of data */ - sem_t readysem; /* Used to wait for Ready Condition from the cc3000 */ + sem_t irqsem; /* Used to signal irq from cc3000 */ + sem_t readysem; /* Used to wait for Ready Condition from the cc3000 */ - FAR struct cc3000_config_s *config; /* Board configuration data */ + FAR struct cc3000_config_s *config; /* Board configuration data */ FAR struct spi_dev_s *spi; /* Saved SPI driver instance */ - struct work_s work; /* Supports the interrupt handling "bottom half" */ - mqd_t queue; /* For unsolicited data delivery */ - eDeviceStates state; /* The device state */ + mqd_t queue; /* For unsolicited data delivery */ + eDeviceStates state; /* The device state */ uint8_t rx_buffer[CC3000_RX_BUFFER_SIZE]; ssize_t rx_buffer_len; diff --git a/nuttx/drivers/wireless/cc3000/evnt_handler.c b/nuttx/drivers/wireless/cc3000/evnt_handler.c index 708c09f12..f97541e3d 100644 --- a/nuttx/drivers/wireless/cc3000/evnt_handler.c +++ b/nuttx/drivers/wireless/cc3000/evnt_handler.c @@ -36,8 +36,11 @@ * Included Files ******************************************************************************/ +#include <nuttx/config.h> #include <string.h> #include <assert.h> +#include <unistd.h> +#include <debug.h> #include <nuttx/wireless/cc3000/cc3000_common.h> #include <nuttx/wireless/cc3000/hci.h> @@ -234,8 +237,7 @@ uint8_t *hci_event_handler(void *pRetParams, uint8_t *from, uint8_t *fromlen) while (1) { - if (tSLInformation.usEventOrDataReceived != 0) - { + if (tSLInformation.usEventOrDataReceived != 0) { pucReceivedData = (tSLInformation.pucReceivedData); if (*pucReceivedData == HCI_TYPE_EVNT) @@ -363,13 +365,14 @@ uint8_t *hci_event_handler(void *pRetParams, uint8_t *from, uint8_t *fromlen) if (((tBsdReadReturnParams *)pRetParams)->iNumberOfBytes == ERROR_SOCKET_INACTIVE) - { - set_socket_active_status - (((tBsdReadReturnParams *)pRetParams)->iSocketDescriptor,SOCKET_STATUS_INACTIVE); - } + { + set_socket_active_status + (((tBsdReadReturnParams *)pRetParams)->iSocketDescriptor, + SOCKET_STATUS_INACTIVE); + } } break; - + case HCI_EVNT_SEND: case HCI_EVNT_SENDTO: { @@ -435,7 +438,7 @@ uint8_t *hci_event_handler(void *pRetParams, uint8_t *from, uint8_t *fromlen) pRetParams = ((char *)pRetParams) + 2; memcpy((uint8_t *)pRetParams, (char *)(pucReceivedParams + - GET_SCAN_RESULTS_FRAME_TIME_OFFSET + 2), + GET_SCAN_RESULTS_FRAME_TIME_OFFSET + 2), GET_SCAN_RESULTS_SSID_MAC_LENGTH); break; @@ -902,7 +905,36 @@ void SimpleLinkWaitEvent(uint16_t usOpcode, void *pRetParams) */ tSLInformation.usRxEventOpcode = usOpcode; - hci_event_handler(pRetParams, 0, 0); + nllvdbg("Looking for usOpcode 0x%x\n",usOpcode); + uint16_t event_type; + + do + { + tSLInformation.pucReceivedData = SpiWait(); + tSLInformation.usEventOrDataReceived = 1; + STREAM_TO_UINT16((char *)tSLInformation.pucReceivedData, HCI_EVENT_OPCODE_OFFSET,event_type); + + if (*tSLInformation.pucReceivedData == HCI_TYPE_EVNT) + { + nllvdbg("Evtn:0x%x\n",event_type); + } + + if (event_type != usOpcode) + { + if (hci_unsolicited_event_handler() == 1) + { + nllvdbg("Processed Event 0x%x want 0x%x\n",event_type, usOpcode); + } + } + else + { + nllvdbg("Processing usOpcode 0x%x\n",usOpcode); + hci_event_handler(pRetParams, 0, 0); + } + } + while(tSLInformation.usRxEventOpcode != 0); + + nllvdbg("Done for usOpcode 0x%x\n",usOpcode); } /***************************************************************************** @@ -928,6 +960,37 @@ void SimpleLinkWaitData(uint8_t *pBuf, uint8_t *from, uint8_t *fromlen) * after the end of current transaction, i.e. only after data will be received */ - tSLInformation.usRxDataPending = 1; - hci_event_handler(pBuf, from, fromlen); + nllvdbg("Looking for Data\n"); + uint16_t event_type; + uint16_t usOpcode = tSLInformation.usRxEventOpcode; + + do + { + tSLInformation.pucReceivedData = SpiWait(); + tSLInformation.usEventOrDataReceived = 1; + + if (*tSLInformation.pucReceivedData == HCI_TYPE_DATA) + { + tSLInformation.usRxDataPending = 1; + hci_event_handler(pBuf, from, fromlen); + break; + } + else + { + STREAM_TO_UINT16((char *)tSLInformation.pucReceivedData, HCI_EVENT_OPCODE_OFFSET,event_type); + nllvdbg("Evtn:0x%x\n",event_type); + + if (hci_unsolicited_event_handler() == 1) + { + nllvdbg("Processed Event 0x%x want Data! Opcode 0x%x\n",event_type, usOpcode); + } + else + { + nllvdbg("!!!!!usOpcode 0x%x\n",usOpcode); + } + } + } + while(*tSLInformation.pucReceivedData == HCI_TYPE_EVNT); + + nllvdbg("Done for Data 0x%x\n",usOpcode); } diff --git a/nuttx/drivers/wireless/cc3000/socket.c b/nuttx/drivers/wireless/cc3000/socket.c index a8858b0c6..ce2fcdd5e 100644 --- a/nuttx/drivers/wireless/cc3000/socket.c +++ b/nuttx/drivers/wireless/cc3000/socket.c @@ -38,6 +38,8 @@ #include <stdio.h> #include <string.h> +#include <unistd.h> +#include <debug.h> #include <stdlib.h> #include <nuttx/wireless/cc3000/hci.h> #include <nuttx/wireless/cc3000/include/sys/socket.h> @@ -139,7 +141,14 @@ int HostFlowControlConsumeBuff(int sd) { return -1; } - } while (0 == tSLInformation.usNumberOfFreeBuffers); + + /* We must yield here for the the Event to get processed that returns + * the buffers + */ + + usleep(100000); + } + while (0 == tSLInformation.usNumberOfFreeBuffers); tSLInformation.usNumberOfFreeBuffers--; @@ -1213,8 +1222,9 @@ int sendto(long sd, const void *buf, long len, long flags, const sockaddr *to, int mdnsAdvertiser(uint16_t mdnsEnabled, char * deviceServiceName, uint16_t deviceServiceNameLength) { + uint8_t *pTxBuffer; + uint8_t *pArgs; int ret; - uint8_t *pTxBuffer, *pArgs; if (deviceServiceNameLength > MDNS_DEVICE_SERVICE_MAX_LENGTH) { diff --git a/nuttx/drivers/wireless/cc3000/spi.c b/nuttx/drivers/wireless/cc3000/spi.c index 38d5f413e..758e2ec67 100644 --- a/nuttx/drivers/wireless/cc3000/spi.c +++ b/nuttx/drivers/wireless/cc3000/spi.c @@ -59,6 +59,10 @@ # define spivdbg(x...) #endif +/***************************************************************************** + * Private Types + *****************************************************************************/ + static struct { int cc3000fd; @@ -66,6 +70,7 @@ static struct pthread_t unsoliced_thread; bool run; uint8_t rx_buffer[CC3000_RX_BUFFER_SIZE]; + mqd_t queue; } spiconf; @@ -140,6 +145,27 @@ long SpiRead(uint8_t *pUserBuffer, uint16_t usLength) } /***************************************************************************** + * Name: SpiRead + * + * Description: + * + * Input Parameters: + * None + * + * Returned Value: + * + *****************************************************************************/ + +uint8_t *SpiWait(void) +{ + int nbytes; + DEBUGASSERT(spiconf.cc3000fd); + + nbytes = mq_receive(spiconf.queue, spiconf.rx_buffer, CC3000_RX_BUFFER_SIZE, 0); + return spiconf.rx_buffer; +} + +/***************************************************************************** * Name: unsoliced_thread_func * * Description: @@ -162,19 +188,20 @@ static void *unsoliced_thread_func(void *parameter) ioctl(spiconf.cc3000fd, CC3000IOC_GETQUEID, (unsigned long)&minor); snprintf(queuename, QUEUE_NAMELEN, QUEUE_FORMAT, minor); - mqd_t queue = mq_open(queuename,O_RDONLY); + spiconf.queue = mq_open(queuename,O_RDONLY); while(spiconf.run) { memset(spiconf.rx_buffer,0,sizeof(spiconf.rx_buffer)); - nbytes = mq_receive(queue, spiconf.rx_buffer, CC3000_RX_BUFFER_SIZE, 0); + nbytes = mq_receive(spiconf.queue, spiconf.rx_buffer, CC3000_RX_BUFFER_SIZE, 0); if (nbytes > 0) { + spivdbg("%d Processed\n",nbytes); spiconf.pfRxHandler(spiconf.rx_buffer); } } - mq_close(queue); + mq_close(spiconf.queue); pthread_exit((pthread_addr_t)status); return (pthread_addr_t)status; } @@ -205,7 +232,12 @@ void SpiOpen(gcSpiHandleRx pfRxHandler) spiconf.cc3000fd = fd; spiconf.run = true; - status = pthread_create(&spiconf.unsoliced_thread,NULL, + pthread_attr_t attr; + struct sched_param param; + pthread_attr_init(&attr); + param.sched_priority = SCHED_PRIORITY_DEFAULT-10; + pthread_attr_setschedparam(&attr, ¶m); + status = pthread_create(&spiconf.unsoliced_thread, &attr, unsoliced_thread_func, NULL); DEBUGASSERT(status == 0) } @@ -227,15 +259,15 @@ void SpiOpen(gcSpiHandleRx pfRxHandler) void SpiClose(void) { - if (spiconf.cc3000fd) - { - int status; - spiconf.run = false; + if (spiconf.cc3000fd) + { + int status; + spiconf.run = false; - pthread_cancel(spiconf.unsoliced_thread); - pthread_join(spiconf.unsoliced_thread, (pthread_addr_t*)&status); + pthread_cancel(spiconf.unsoliced_thread); + pthread_join(spiconf.unsoliced_thread, (pthread_addr_t*)&status); - close(spiconf.cc3000fd); - spiconf.cc3000fd = 0; - } + close(spiconf.cc3000fd); + spiconf.cc3000fd = 0; + } } diff --git a/nuttx/drivers/wireless/cc3000/spi.h b/nuttx/drivers/wireless/cc3000/spi.h index 5b1251765..aa895287f 100644 --- a/nuttx/drivers/wireless/cc3000/spi.h +++ b/nuttx/drivers/wireless/cc3000/spi.h @@ -44,6 +44,7 @@ typedef void (*gcSpiHandleRx)(void *p); void SpiOpen(gcSpiHandleRx pfRxHandler); void SpiClose(void); long SpiWrite(uint8_t *pUserBuffer, uint16_t usLength); +uint8_t *SpiWait(void); long SpiRead(uint8_t *pUserBuffer, uint16_t usLength); void SpiResumeSpi(void); int CC3000InterruptHandler(int irq, void *context); |