CC3000 driver changes from David Sidrane

This commit is contained in:
Gregory Nutt
2013-10-16 11:59:22 -06:00
parent 4e3d02b216
commit 48a8364267
6 changed files with 2306 additions and 0 deletions

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/****************************************************************************
* drivers//wireless/cc3000.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <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
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __DRIVERS_WIRELESS_WIRELESS_CC3000_H
#define __DRIVERS_WIRELESS_WIRELESS_CC3000_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <mqueue.h>
#include <nuttx/spi/spi.h>
#include <nuttx/irq.h>
#include <nuttx/wireless/wireless.h>
#include <nuttx/wireless/cc3000.h>
#include "spi.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* CC3000 Interfaces *********************************************************************/
/* 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_OFFSET_TO_LENGTH 3 //cmd dmy dmy lh ll
#define WRITE 1
#define HI(value) (((value) & 0xFF00) >> 8)
#define LO(value) ((value) & 0x00FF)
#define SPI_HEADER_SIZE (5)
/* 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,
} eDeviceStates;
struct cc3000_dev_s
{
#ifdef CONFIG_CC3000_MULTIPLE
FAR struct cc3000_dev_s *flink; /* Supports a singly linked list of drivers */
#endif
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 waitsem; /* Used to wait for the availability of data */
sem_t readysem; /* Used to wait for Ready Condition from the cc3000 */
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 */
uint8_t rx_buffer[CC3000_RX_BUFFER_SIZE];
ssize_t rx_buffer_len;
uint8_t tx_buffer[CC3000_TX_BUFFER_SIZE];
ssize_t tx_buffer_len;
/* The following is a list if poll structures of threads waiting for
* driver events. The 'struct pollfd' reference for each open is also
* retained in the f_priv field of the 'struct file'.
*/
#ifndef CONFIG_DISABLE_POLL
struct pollfd *fds[CONFIG_CC3000_NPOLLWAITERS];
#endif
};
/********************************************************************************************
* Public Function Prototypes
********************************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __DRIVERS_WIRELESS_WIRELESS_CC3000_H */

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/****************************************************************************
* include/nuttx/wireless/cc3000.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <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
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_WIRELESS_CC3000_H
#define __INCLUDE_NUTTX_WIRELESS_CC3000_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/wireless/wireless.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define DEV_FORMAT "/dev/wireless%d"
#define DEV_NAMELEN 16
#define QUEUE_FORMAT "wlq%d"
#define QUEUE_NAMELEN 6
/* IOCTL commands */
#define CC3000IOC_GETQUEID _WLIOC_USER(0x0001) /* arg: Address of int for number*/
#define CC3000IOC_COMPLETE _WLIOC_USER(0x0002) /* arg: none resumes the Event WL Asynchronous events */
/****************************************************************************
* Public Types
****************************************************************************/
typedef char *(*tFWPatches)(unsigned long *usLength);
typedef char *(*tDriverPatches)(unsigned long *usLength);
typedef char *(*tBootLoaderPatches)(unsigned long *usLength);
typedef void (*tWlanCB)(long event_type, char * data, unsigned char length );
typedef long (*tWlanReadInteruptPin)(void);
typedef void (*tWlanInterruptEnable)(void);
typedef void (*tWlanInterruptDisable)(void);
typedef void (*tWriteWlanPin)(unsigned char val);
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
EXTERN void wlan_init( tWlanCB sWlanCB,
tFWPatches sFWPatches,
tDriverPatches sDriverPatches,
tBootLoaderPatches sBootLoaderPatches,
tWlanReadInteruptPin sReadWlanInterruptPin,
tWlanInterruptEnable sWlanInterruptEnable,
tWlanInterruptDisable sWlanInterruptDisable,
tWriteWlanPin sWriteWlanPin);
/*****************************************************************************
*
* CC3000_wlan_init
*
* @param sWlanCB Asynchronous events callback.
* 0 no event call back.
* -call back parameters:
* 1) event_type: HCI_EVNT_WLAN_UNSOL_CONNECT connect event,
* HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event,
* HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE config done,
* HCI_EVNT_WLAN_UNSOL_DHCP dhcp report,
* HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report OR
* HCI_EVNT_WLAN_KEEPALIVE keepalive.
* 2) data: pointer to extra data that received by the event
* (NULL no data).
* 3) length: data length.
* -Events with extra data:
* HCI_EVNT_WLAN_UNSOL_DHCP: 4 bytes IP, 4 bytes Mask,
* 4 bytes default gateway, 4 bytes DHCP server and 4 bytes
* for DNS server.
* HCI_EVNT_WLAN_ASYNC_PING_REPORT: 4 bytes Packets sent,
* 4 bytes Packets received, 4 bytes Min round time,
* 4 bytes Max round time and 4 bytes for Avg round time.
*
* @param sFWPatches 0 no patch or pointer to FW patches
* @param sDriverPatches 0 no patch or pointer to driver patches
* @param sBootLoaderPatches 0 no patch or pointer to bootloader patches
*
* @return none
*
* @sa wlan_set_event_mask , wlan_start , wlan_stop
*
* @brief Initialize wlan driver
*
* @warning This function must be called before ANY other wlan driver function
*
****************************************************************************/
EXTERN void CC3000_wlan_init(tWlanCB sWlanCB,
tFWPatches sFWPatches,
tDriverPatches sDriverPatches,
tBootLoaderPatches sBootLoaderPatches);
/************************************************************************************
* Name: wireless_archinitialize
*
* Description:
* Called to configure wireless module (wireless_archinitialize).
*
************************************************************************************/
void wireless_archinitialize(void);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __INCLUDE_NUTTX_WIRELESS_CC3000_H */

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/****************************************************************************
* include/nuttx/wireless/cc3000/include/cc3000_upif.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Authors: Gregory Nutt <gnutt@nuttx.org>
* David Sidrane <david_s5@nscdg.com>
*
* This is the definition for the interface to the bottom half of the cc3000 driver.
* it provides the wiring of the board's GPIO and spi to the cc3000 driver.
*
* 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
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __INCLUDE_NUTTX_WIRELESS_CC3000_CC3000_INTERNAL_H
#define __INCLUDE_NUTTX_WIRELESS_CC3000_CC3000_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <nuttx/spi/spi.h>
#include <nuttx/irq.h>
#include <nuttx/wireless/wireless.h>
#if defined(CONFIG_WIRELESS) && defined(CONFIG_WL_CC3000)
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* SPI Frequency. Default: 16MHz */
#ifndef CONFIG_CC3000_SPI_FREQUENCY
# define CONFIG_CC3000_SPI_FREQUENCY 16000000
#endif
/* Maximum number of threads than can be waiting for POLL events */
#ifndef CONFIG_CC3000_NPOLLWAITERS
# define CONFIG_CC3000_NPOLLWAITERS 2
#endif
#ifndef CONFIG_CC3000_SPIMODE
// CPOL = 0, CPHA = 1 Sample Data Falling Edge of Clock
// See http://processors.wiki.ti.com/index.php/CC3000_Serial_Port_Interface_(SPI)
# define CONFIG_CC3000_SPIMODE SPIDEV_MODE0
#endif
/* Check for some required settings. This can save the user a lot of time
* in getting the right configuration.
*/
#ifdef CONFIG_DISABLE_SIGNALS
# error "Signals are required. CONFIG_DISABLE_SIGNALS must not be selected."
#endif
#ifndef CONFIG_SCHED_WORKQUEUE
# error "Work queue support required. CONFIG_SCHED_WORKQUEUE must be selected."
#endif
/****************************************************************************
* Public Types
****************************************************************************/
/* A reference to a structure of this type must be passed to the CC3000
* driver. This structure provides information about the configuration
* of the CC3000 and provides some board-specific hooks.
*
* Memory for this structure is provided by the caller. It is not copied
* by the driver and is presumed to persist while the driver is active. The
* memory must be writable because, under certain circumstances, the driver
* may modify frequency or X plate resistance values.
*/
struct cc3000_config_s
{
/* Device characterization */
uint32_t spi_frequency; /* SPI frequency */
uint32_t spi_mode; /* SPI mode */
/* If multiple CC3000 devices are supported, then an IRQ number must
* be provided for each so that their interrupts can be distinguished.
*/
#ifndef CONFIG_CC3000_MULTIPLE
int irq; /* IRQ number received by interrupt handler. */
#endif
/* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the CC3000 driver from differences in GPIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on falling edges to detect the Ready Condition
* At T2: The normal master SPI write sequence is SPI_CS low, followed by SPI_IRQ low
* CC3000 to host, indicating that the CC3000 core module is ready to accept data.
* T2 duration is approximately 7 ms.
*
* irq_attach - Attach the CC3000 interrupt handler to the GPIO interrupt
* irq_enable - Enable or disable the GPIO interrupt
* clear_irq - Acknowledge/clear any pending GPIO interrupt
* power_enable - Enable or disable Module enable.
* chip_select - The Chip Select
* busy - Return the state of the interrupt GPIO input
*
*/
int (*irq_attach)(FAR struct cc3000_config_s *state, xcpt_t isr);
void (*irq_enable)(FAR struct cc3000_config_s *state, bool enable);
void (*irq_clear)(FAR struct cc3000_config_s *state);
void (*power_enable)(FAR struct cc3000_config_s *state,bool enable);
void (*chip_select)(FAR struct cc3000_config_s *state,bool enable);
bool (*busy)(FAR struct cc3000_config_s *state);
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: CC3000_register
*
* Description:
* Configure the CC3000 to use the provided SPI device instance. This
* will register the driver as /dev/inputN where N is the minor device
* number
*
* Input Parameters:
* spi - An SPI driver instance
* config - Persistent board configuration data
* minor - The CC000 device minor number
*
* Returned Value:
* Pointer to newly allocated cc3000 device structure or NULL on error
* (errno is set accordingly in this case).
*
****************************************************************************/
EXTERN int CC3000_register(FAR struct spi_dev_s *spi,
FAR struct cc3000_config_s *config,
int minor);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_WIRELESS && CONFIG_INPUT_CC3000 */
#endif /* __INCLUDE_NUTTX_WIRELESS_CC3000_CC3000_INTERNAL_H */

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