Freedom KL25Z: Update the CC3000 support to use the current CC300 interfaces. From Alan Carvalho de Assis
This commit is contained in:
Gregory Nutt
parent
ddad16a7b7
commit
a1a2e53c3e
@ -126,5 +126,11 @@ void board_initialize(void)
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#if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_NSH_ARCHINIT)
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(void)nsh_archinitialize();
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#endif
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/* CC3000 wireless initialization */
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#ifdef CONFIG_WL_CC3000
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wireless_archinitialize(0);
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#endif
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}
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#endif
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@ -1,7 +1,7 @@
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/****************************************************************************
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* configs/freedom-kl25z/src/kl_spi.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Copyright (C) 2013-2014 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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@ -90,9 +90,17 @@ void weak_function kl_spiinitialize(void)
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/* Configure SPI0 chip selects */
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#ifdef CONFIG_KL_SPI0
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# ifdef CONFIG_ADXL345_SPI
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kl_configgpio(GPIO_ADXL345_CS);
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#endif
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# ifdef CONFIG_WL_CC3000
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kl_configgpio(GPIO_WIFI_CS);
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kl_configgpio(GPIO_WIFI_EN);
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kl_configgpio(GPIO_WIFI_INT);
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# endif
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#endif
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/* Configure SPI1 chip selects */
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#ifdef CONFIG_KL_SPI1
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@ -159,12 +167,21 @@ void kl_spi0select(FAR struct spi_dev_s *dev, enum spi_dev_e devid,
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spivdbg("devid: %d CS: %s\n",
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(int)devid, selected ? "assert" : "de-assert");
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#ifdef CONFIG_ADXL345_SPI
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if (devid == SPIDEV_GSENSOR)
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{
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/* Active low */
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kl_gpiowrite(GPIO_ADXL345_CS, !selected);
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}
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#endif
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#if defined(CONFIG_WL_CC3000)
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if (devid == SPIDEV_WIRELESS)
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{
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kl_gpiowrite(GPIO_WIFI_CS, !selected);
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}
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#endif
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}
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#endif
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@ -210,7 +227,7 @@ uint8_t kl_spi1status(FAR struct spi_dev_s *dev, enum spi_dev_e devid)
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* Name: kl_spi[n]cmddata
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*
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* Description:
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* Some SPI interfaces, particularly with LCDs, and an auxilary 9th data
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* Some SPI interfaces, particularly with LCDs, and an auxiliary 9th data
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* input that determines where the other 8 data bits represent command or
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* data. These interfaces control that CMD/DATA GPIO output
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*
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@ -1,10 +1,9 @@
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/****************************************************************************
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* configs/freedom-kl25z/src/kl_tsi.c
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*
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* Copyright (C) 2013 Alan Carvalho de Assis
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* Copyright (C) 2014 Alan Carvalho de Assis
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* Author: Alan Carvalho de Assis <acassis@gmail.com>
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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@ -48,8 +47,8 @@
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#include <nuttx/arch.h>
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#include <nuttx/fs/fs.h>
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#include <nuttx/wireless/cc3000/spi.h>
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#include <nuttx/wireless/cc3000.h>
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#include <nuttx/wireless/cc3000/include/cc3000_upif.h>
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#include "up_arch.h"
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#include "kl_gpio.h"
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@ -57,104 +56,316 @@
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#include "chip/kl_sim.h"
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#include "freedom-kl25z.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_WL_CC3000
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#ifndef CONFIG_WIRELESS
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# error "Wireless support requires CONFIG_WIRELESS"
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#endif
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#ifndef CONFIG_KL_SPI0
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# error "CC3000 Wireless support requires CONFIG_KL_SPI0"
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#endif
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#ifndef CC3000_SPI_FREQUENCY
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# define CC3000_SPI_FREQUENCY 16000000
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#endif
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#ifndef CC3000_SPIDEV
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# define CC3000_SPIDEV 0
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#endif
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#if CC3000_SPIDEV != 0
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# error "CC3000_SPIDEV must be 0"
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#endif
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#ifndef CC3000_DEVMINOR
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# define CC3000_DEVMINOR 0
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#endif
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#ifndef CONFIG_CC3000_RX_BUFFER_SIZE
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# define CONFIG_CC3000_RX_BUFFER_SIZE 132
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#endif
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct kl_config_s
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{
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struct cc3000_config_s dev;
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xcpt_t handler;
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};
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/* IRQ/GPIO access callbacks. These operations all hidden behind callbacks
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* to isolate the CC3000 driver from differences in GPIO interrupt handling
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* by varying boards and MCUs. If possible, interrupts should be configured
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* on falling edges to detect the Ready Condition At T2: The normal master
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* SPI write sequence is SPI_CS low, followed by SPI_IRQ low CC3000 to host,
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* indicating that the CC3000 core module is ready to accept data. T2
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* duration is approximately 7 ms.
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*
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* irq_attach - Attach the CC3000 interrupt handler to the GPIO
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* interrupt
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* irq_enable - Enable or disable the GPIO interrupt
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* irq_clear - Acknowledge/clear any pending GPIO interrupt
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* power_enable - Enable or disable Module enable.
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* chip_chip_select - The Chip Select
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* irq_read - Return the state of the interrupt GPIO input
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* probe - Debug support
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*/
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static int wl_attach_irq(FAR struct cc3000_config_s *state, xcpt_t handler);
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static void wl_enable_irq(FAR struct cc3000_config_s *state, bool enable);
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static void wl_clear_irq(FAR struct cc3000_config_s *state);
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static void wl_select(FAR struct cc3000_config_s *state, bool enable);
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static void wl_enable_power(FAR struct cc3000_config_s *state, bool enable);
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static bool wl_read_irq(FAR struct cc3000_config_s *state);
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#ifdef CONFIG_CC3000_PROBES
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static bool probe(FAR struct cc3000_config_s *state,int n, bool s);
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* A reference to a structure of this type must be passed to the CC3000
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* driver. This structure provides information about the configuration
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* of the CC3000 and provides some board-specific hooks.
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*
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* Memory for this structure is provided by the caller. It is not copied
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* by the driver and is presumed to persist while the driver is active. The
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* memory must be writable because, under certain circumstances, the driver
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* may modify frequency or X plate resistance values.
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*/
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static struct kl_config_s g_cc3000_info =
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{
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.dev.spi_frequency = CONFIG_CC3000_SPI_FREQUENCY,
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.dev.spi_mode = CONFIG_CC3000_SPI_MODE,
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.dev.max_rx_size = 0,
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.dev.irq_attach = wl_attach_irq,
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.dev.irq_enable = wl_enable_irq,
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.dev.irq_clear = wl_clear_irq,
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.dev.power_enable = wl_enable_power,
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.dev.chip_chip_select = wl_select,
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.dev.irq_read = wl_read_irq,
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#ifdef CONFIG_CC3000_PROBES
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.dev.probe = probe, /* This is used for debugging */
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#endif
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.handler = NULL,
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/* IRQ/GPIO access callbacks. These operations all hidden behind
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* callbacks to isolate the CC3000 driver from differences in GPIO
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* interrupt handling by varying boards and MCUs. If possible,
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* interrupts should be configured on both rising and falling edges
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* so that contact and loss-of-contact events can be detected.
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*
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* irq_attach - Attach the CC3000 interrupt handler to the GPIO
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* interrupt
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* irq_enable - Enable or disable the GPIO interrupt
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* irq_clear - Acknowledge/clear any pending GPIO interrupt
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* power_enable - Enable or disable Module enable.
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* chip_chip_select - The Chip Select
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* irq_read - Return the state of the interrupt GPIO input
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* probe - Debug support
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*/
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static int wl_attach_irq(FAR struct cc3000_config_s *state, xcpt_t handler)
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{
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FAR struct kl_config_s *priv = (FAR struct kl_config_s *)state;
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/* Just save the handler for use when the interrupt is enabled */
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priv->handler = handler;
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return OK;
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}
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static void wl_enable_irq(FAR struct cc3000_config_s *state, bool enable)
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{
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FAR struct kl_config_s *priv = (FAR struct kl_config_s *)state;
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/* The caller should not attempt to enable interrupts if the handler
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* has not yet been 'attached'
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*/
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DEBUGASSERT(priv->handler || !enable);
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/* Attach and enable, or detach and disable */
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ivdbg("enable:%d\n", enable);
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if (enable)
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{
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(void)kl_gpioirqattach(GPIO_WIFI_INT, priv->handler);
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kl_gpioirqenable(GPIO_WIFI_INT);
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}
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else
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{
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(void)kl_gpioirqattach(GPIO_WIFI_INT, NULL);
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kl_gpioirqdisable(GPIO_WIFI_INT);
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}
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}
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static void wl_enable_power(FAR struct cc3000_config_s *state, bool enable)
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{
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ivdbg("enable:%d\n", enable);
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/* Active high enable */
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kl_gpiowrite(GPIO_WIFI_EN, enable);
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}
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static void wl_select(FAR struct cc3000_config_s *state, bool enable)
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{
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ivdbg("enable:%d\n", enable);
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/* Active high enable */
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kl_gpiowrite(GPIO_WIFI_CS, enable);
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}
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static void wl_clear_irq(FAR struct cc3000_config_s *state)
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{
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/* Does nothing */
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}
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static bool wl_read_irq(FAR struct cc3000_config_s *state)
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{
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/* Active low*/
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return kl_gpioread(GPIO_WIFI_INT) ? false : true;
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}
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#ifdef CONFIG_CC3000_PROBES
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static bool probe(FAR struct cc3000_config_s *state,int n, bool s)
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{
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if (n == 0)
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{
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kl_gpiowrite(GPIO_D0, s);
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}
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if (n == 1)
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{
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kl_gpiowrite(GPIO_D1, s);
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}
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return true;
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}
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/* Used by CC3000 driver to read status of WIFI_IRQ */
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inline long ReadWlanInterruptPin(void)
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{
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/* Return the status of WIFI_IRQ pin */
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return kl_gpioread(GPIO_WIFI_IRQ);
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}
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/* Enable/Disable WiFi */
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void WriteWlanEnablePin(uint8_t val)
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{
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kl_gpiowrite(GPIO_WIFI_EN, val);
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}
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/* Assert CC3000 CS */
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void AssertWlanCS(void)
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{
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kl_gpiowrite(GPIO_WIFI_CS, false);
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}
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/* Deassert CC3000 CS */
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void DeassertWlanCS(void)
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{
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kl_gpiowrite(GPIO_WIFI_CS, true);
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}
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/****************************************************************************
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* Name: Wlan_Setup
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* Name: arch_wlinitialize
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*
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* Description:
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* Initialize all pins needed to control CC3000 Module and attach to IRQ
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* Each board that supports a wireless device must provide this function.
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* This function is called by application-specific, setup logic to
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* configure the wireless device. This function will register the driver
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* as /dev/wirelessN where N is the minor device number.
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*
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* Returned Value:
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* Zero is returned on success. Otherwise, a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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void Wlan_Setup(void)
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int wireless_archinitialize(size_t max_rx_size)
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{
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int ret;
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uint32_t regval;
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FAR struct spi_dev_s *spi;
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printf("\nExecuting kl_irq_initialize!\n");
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/* Init SPI bus */
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/* Configure the PIN used to enable the chip */
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idbg("minor %d\n", minor);
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DEBUGASSERT(CONFIG_CC3000_DEVMINOR == 0);
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kl_configgpio(GPIO_WIFI_EN);
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#ifdef CONFIG_CC3000_PROBES
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kl_configgpio(GPIO_D0);
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kl_configgpio(GPIO_D1);
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kl_gpiowrite(GPIO_D0, 1);
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kl_gpiowrite(GPIO_D1, 1);
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#endif
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/* Configure PIN to detect interrupts */
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/* Get an instance of the SPI interface */
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kl_configgpio(GPIO_WIFI_IRQ);
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/* Configure PIN used as SPI CS */
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kl_configgpio(GPIO_WIFI_CS);
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/* Make sure the chip is OFF before we start */
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WriteWlanEnablePin(false);
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/* Make sure the SPI CS pin is deasserted */
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DeassertWlanCS();
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/* Configure pin to detect interrupt on falling edge */
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regval = getreg32(KL_PORTA_PCR16);
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regval |= PORT_PCR_IRQC_FALLING;
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putreg32(regval, KL_PORTA_PCR16);
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ret = irq_attach(KL_IRQ_PORTA, CC3000InterruptHandler);
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if (ret == OK)
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spi = up_spiinitialize(CONFIG_CC3000_SPIDEV);
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if (!spi)
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{
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up_enable_irq(KL_IRQ_PORTA);
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idbg("Failed to initialize SPI bus %d\n", CONFIG_CC3000_SPIDEV);
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return -ENODEV;
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}
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/* Initialize and register the SPI CC3000 device */
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g_cc3000_info.dev.max_rx_size = max_rx_size ? max_rx_size : CONFIG_CC3000_RX_BUFFER_SIZE;
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int ret = cc3000_register(spi, &g_cc3000_info.dev, CONFIG_CC3000_DEVMINOR);
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if (ret < 0)
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{
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idbg("Failed to initialize SPI bus %d\n", CONFIG_CC3000_SPIDEV);
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return -ENODEV;
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}
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return OK;
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}
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/*****************************************************************************
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* Name: C3000_wlan_init
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*
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* Description:
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* Initialize wlan driver
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*
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* Warning: This function must be called before ANY other wlan driver
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* function
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*
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* Input Parmeters:
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* sWlanCB Asynchronous events callback.
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* 0 no event call back.
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* - Call back parameters:
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* 1) event_type: HCI_EVNT_WLAN_UNSOL_CONNECT connect event,
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* HCI_EVNT_WLAN_UNSOL_DISCONNECT disconnect event,
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* HCI_EVNT_WLAN_ASYNC_SIMPLE_CONFIG_DONE config done,
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* HCI_EVNT_WLAN_UNSOL_DHCP dhcp report,
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* HCI_EVNT_WLAN_ASYNC_PING_REPORT ping report OR
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* HCI_EVNT_WLAN_KEEPALIVE keepalive.
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* 2) data: pointer to extra data that received by the event
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* (NULL no data).
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* 3) length: data length.
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* - Events with extra data:
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* HCI_EVNT_WLAN_UNSOL_DHCP: 4 bytes IP, 4 bytes Mask,
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* 4 bytes default gateway, 4 bytes DHCP server and 4 bytes
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* for DNS server.
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* HCI_EVNT_WLAN_ASYNC_PING_REPORT: 4 bytes Packets sent,
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* 4 bytes Packets received, 4 bytes Min round time,
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* 4 bytes Max round time and 4 bytes for Avg round time.
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*
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* sFWPatches 0 no patch or pointer to FW patches
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* sDriverPatches 0 no patch or pointer to driver patches
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* sBootLoaderPatches 0 no patch or pointer to bootloader patches
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void cc3000_wlan_init(size_t max_tx_len,
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tWlanCB sWlanCB,
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tFWPatches sFWPatches, tDriverPatches
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sDriverPatches, tBootLoaderPatches sBootLoaderPatches)
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{
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wlan_init(max_tx_len, sWlanCB, sFWPatches, sDriverPatches, sBootLoaderPatches);
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}
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#endif /* CONFIG_WL_CC3000 */
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@ -131,11 +131,11 @@ struct cc3000_config_s
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*
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* irq_attach - Attach the CC3000 interrupt handler to the GPIO interrupt
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* irq_enable - Enable or disable the GPIO interrupt
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* clear_irq - Acknowledge/clear any pending GPIO interrupt
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* irq_clear - Acknowledge/clear any pending GPIO interrupt
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* power_enable - Enable or disable Module enable.
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* chip_select - The Chip Select
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* busy - Return the state of the interrupt GPIO input
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*
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* chip_chip_select - The Chip Select
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* irq_read - Return the state of the interrupt GPIO input
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* probe - Debug support
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*/
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int (*irq_attach)(FAR struct cc3000_config_s *state, xcpt_t isr);
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||||
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