Initial cut of a driver for the TI CC3000 network module with support on the Freescale KL25Z board from Alan Carvalho de Assis
This commit is contained in:
Gregory Nutt
parent
7c34498c01
commit
47462f8238
@ -182,9 +182,18 @@
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* alternative.
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*/
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#define PIN_SPI0_SCK PIN_SPI0_SCK_2
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#define PIN_SPI0_MISO PIN_SPI0_MISO_4
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#define PIN_SPI0_MOSI PIN_SPI0_MOSI_3
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#define PIN_SPI0_SCK (PIN_SPI0_SCK_2 | PIN_ALT2_PULLUP)
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#define PIN_SPI0_MISO (PIN_SPI0_MISO_4 | PIN_ALT2_PULLUP)
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#define PIN_SPI0_MOSI (PIN_SPI0_MOSI_3 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_SCK (PIN_SPI1_SCK_2 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_MISO (PIN_SPI1_MISO_3 | PIN_ALT2_PULLUP)
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#define PIN_SPI1_MOSI (PIN_SPI0_MOSI_7 | PIN_ALT2_PULLUP)
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/* These pins are used by CC3000 module */
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#define GPIO_WIFI_EN (GPIO_OUTPUT | GPIO_OUTPUT_ZER0 | PIN_PORTC | PIN12)
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#define GPIO_WIFI_IRQ (GPIO_INPUT | PIN_PORTA | PIN16)
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#define GPIO_WIFI_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | PIN_PORTE | PIN1)
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/************************************************************************************
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* Public Data
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80
configs/freedom-kl25z/include/kl_wifi.h
Normal file
80
configs/freedom-kl25z/include/kl_wifi.h
Normal file
@ -0,0 +1,80 @@
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/****************************************************************************
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* configs/freedom-kl25z/include/kl_wifi.h
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*
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* Copyright (C) 2013 Alan Carvalho de Assis
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* Author: Alan Carvalho de Assis <acassis@gmail.com>
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* with adaptions from Gregory Nutt <gnutt@nuttx.org>
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*
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* Reference: https://community.freescale.com/community/
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* the-embedded-beat/blog/2012/10/15/
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* using-the-touch-interface-on-the-freescale-freedom-development-platform
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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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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdio.h>
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#include <stdint.h>
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long ReadWlanInterruptPin(void);
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/*
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* Enable WiFi Interrupt
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*/
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void WlanInterruptEnable(void);
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/*
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* Disable WiFi Interrupt
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*/
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void WlanInterruptDisable(void);
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/*
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* Enable/Disable WiFi
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*/
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void WriteWlanEnablePin(uint8_t val);
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/*
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* Assert CC3000 CS
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*/
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void AssertWlanCS(void);
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/*
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* Deassert CC3000 CS
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*/
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void DeassertWlanCS(void);
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/*
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* Setup needed pins
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*/
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void Wlan_Setup(void);
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@ -16,14 +16,14 @@ CONFIG_HOST_LINUX=y
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#
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# Build Configuration
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#
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# CONFIG_APPS_DIR="../apps"
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CONFIG_APPS_DIR="../apps"
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# CONFIG_BUILD_2PASS is not set
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#
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# Binary Output Formats
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#
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# CONFIG_RRLOAD_BINARY is not set
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# CONFIG_INTELHEX_BINARY=y
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# CONFIG_INTELHEX_BINARY is not set
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CONFIG_MOTOROLA_SREC=y
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CONFIG_RAW_BINARY=y
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@ -73,23 +73,31 @@ CONFIG_ARCH_CHIP_KL=y
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# CONFIG_ARCH_CHIP_LPC31XX is not set
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# CONFIG_ARCH_CHIP_LPC43XX is not set
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# CONFIG_ARCH_CHIP_NUC1XX is not set
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# CONFIG_ARCH_CHIP_SAM3U is not set
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# CONFIG_ARCH_CHIP_SAMA5 is not set
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# CONFIG_ARCH_CHIP_SAM34 is not set
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# CONFIG_ARCH_CHIP_STM32 is not set
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# CONFIG_ARCH_CHIP_STR71X is not set
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# CONFIG_ARCH_ARM7TDMI is not set
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# CONFIG_ARCH_ARM926EJS is not set
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# CONFIG_ARCH_ARM920T is not set
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CONFIG_ARCH_CORTEXM0=y
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# CONFIG_ARCH_CORTEXM3 is not set
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# CONFIG_ARCH_CORTEXM4 is not set
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# CONFIG_ARCH_CORTEXA5 is not set
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CONFIG_ARCH_FAMILY="armv6-m"
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CONFIG_ARCH_CHIP="kl"
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CONFIG_ARCH_HAVE_CMNVECTOR=y
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# CONFIG_ARMV7M_CMNVECTOR is not set
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# CONFIG_ARCH_HAVE_FPU is not set
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# CONFIG_ARCH_HAVE_MPU is not set
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#
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# ARMV6M Configuration Options
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#
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CONFIG_ARMV6M_TOOLCHAIN_BUILDROOT=y
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# CONFIG_ARMV6M_TOOLCHAIN_BUILDROOT is not set
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# CONFIG_ARMV6M_TOOLCHAIN_CODEREDL is not set
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# CONFIG_ARMV6M_TOOLCHAIN_CODESOURCERYL is not set
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# CONFIG_ARMV6M_TOOLCHAIN_GNU_EABIL is not set
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CONFIG_ARMV6M_TOOLCHAIN_GNU_EABIL=y
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# CONFIG_GPIO_IRQ is not set
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#
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@ -106,13 +114,10 @@ CONFIG_ARCH_FAMILY_KL2X=y
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CONFIG_KL_UART0=y
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# CONFIG_KL_UART1 is not set
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# CONFIG_KL_UART2 is not set
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# CONFIG_KL_UART3 is not set
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# CONFIG_KL_UART4 is not set
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# CONFIG_KL_UART5 is not set
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# CONFIG_KL_FLEXCAN0 is not set
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# CONFIG_KL_FLEXCAN1 is not set
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# CONFIG_KL_SPI0 is not set
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# CONFIG_KL_SPI1 is not set
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CONFIG_KL_SPI0=y
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CONFIG_KL_SPI1=y
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# CONFIG_KL_SPI2 is not set
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# CONFIG_KL_I2C0 is not set
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# CONFIG_KL_I2C1 is not set
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@ -123,10 +128,9 @@ CONFIG_KL_UART0=y
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# CONFIG_KL_ADC1 is not set
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# CONFIG_KL_CMP is not set
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# CONFIG_KL_VREF is not set
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# CONFIG_KL_SDHC is not set
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# CONFIG_KL_FTM0 is not set
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# CONFIG_KL_FTM1 is not set
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# CONFIG_KL_FTM2 is not set
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# CONFIG_KL_TPM0 is not set
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# CONFIG_KL_TPM1 is not set
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# CONFIG_KL_TPM2 is not set
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# CONFIG_KL_LPTIMER is not set
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# CONFIG_KL_RTC is not set
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# CONFIG_KL_EWM is not set
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@ -141,20 +145,12 @@ CONFIG_KL_UART0=y
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# CONFIG_KL_PDB is not set
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# CONFIG_KL_PIT is not set
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CONFIG_KL_SYSTICK_CORECLK=y
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# CONFIG_KL_SYSTICK_CORECLK_DIV16 is not set
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#
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# Kinetis GPIO Interrupt Configuration
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#
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#
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# Kinetis UART Configuration
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#
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# CONFIG_KL_UARTFIFOS is not set
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#
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# External Memory Configuration
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#
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#
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# Architecture Options
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#
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@ -175,8 +171,6 @@ CONFIG_ARCH_STACKDUMP=y
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#
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CONFIG_BOARD_LOOPSPERMSEC=2988
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# CONFIG_ARCH_CALIBRATION is not set
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CONFIG_RAM_START=0x1FFFF000
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CONFIG_RAM_SIZE=16384
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CONFIG_ARCH_HAVE_INTERRUPTSTACK=y
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CONFIG_ARCH_INTERRUPTSTACK=0
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@ -189,6 +183,12 @@ CONFIG_BOOT_RUNFROMFLASH=y
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# CONFIG_BOOT_RUNFROMSDRAM is not set
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# CONFIG_BOOT_COPYTORAM is not set
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#
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# Boot Memory Configuration
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#
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CONFIG_RAM_START=0x1FFFF000
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CONFIG_RAM_SIZE=16384
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#
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# Board Selection
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#
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@ -281,10 +281,15 @@ CONFIG_DEV_NULL=y
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# CONFIG_CAN is not set
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# CONFIG_PWM is not set
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# CONFIG_I2C is not set
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# CONFIG_SPI is not set
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CONFIG_SPI=y
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# CONFIG_SPI_OWNBUS is not set
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CONFIG_SPI_EXCHANGE=y
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# CONFIG_SPI_CMDDATA is not set
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# CONFIG_SPI_BITBANG is not set
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# CONFIG_RTC is not set
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# CONFIG_WATCHDOG is not set
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# CONFIG_ANALOG is not set
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# CONFIG_AUDIO_DEVICES is not set
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# CONFIG_BCH is not set
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# CONFIG_INPUT is not set
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# CONFIG_LCD is not set
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@ -294,11 +299,14 @@ CONFIG_DEV_NULL=y
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# CONFIG_PM is not set
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# CONFIG_POWER is not set
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# CONFIG_SENSORS is not set
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# CONFIG_SERCOMM_CONSOLE is not set
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CONFIG_SERIAL=y
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# CONFIG_DEV_LOWCONSOLE is not set
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# CONFIG_16550_UART is not set
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CONFIG_ARCH_HAVE_UART0=y
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#
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# USART Configuration
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#
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CONFIG_MCU_SERIAL=y
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CONFIG_STANDARD_SERIAL=y
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CONFIG_UART0_SERIAL_CONSOLE=y
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@ -313,9 +321,16 @@ CONFIG_UART0_BAUD=115200
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CONFIG_UART0_BITS=8
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CONFIG_UART0_PARITY=0
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CONFIG_UART0_2STOP=0
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# CONFIG_UART0_IFLOWCONTROL is not set
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# CONFIG_UART0_OFLOWCONTROL is not set
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# CONFIG_SERIAL_IFLOWCONTROL is not set
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# CONFIG_SERIAL_OFLOWCONTROL is not set
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# CONFIG_USBDEV is not set
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# CONFIG_USBHOST is not set
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# CONFIG_WIRELESS is not set
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CONFIG_WIRELESS=y
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# CONFIG_WL_CC1101 is not set
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CONFIG_WL_CC3000=y
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# CONFIG_WL_NRF24L01 is not set
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#
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# System Logging Device Options
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@ -340,6 +355,7 @@ CONFIG_UART0_2STOP=0
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#
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CONFIG_DISABLE_MOUNTPOINT=y
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# CONFIG_FS_RAMMAP is not set
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# CONFIG_FS_BINFS is not set
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#
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# System Logging
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@ -360,10 +376,18 @@ CONFIG_MM_SMALL=y
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CONFIG_MM_REGIONS=1
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# CONFIG_GRAN is not set
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#
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# Audio Support
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#
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# CONFIG_AUDIO is not set
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#
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# Binary Formats
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#
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CONFIG_BINFMT_DISABLE=y
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# CONFIG_BINFMT_DISABLE is not set
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# CONFIG_NXFLAT is not set
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# CONFIG_ELF is not set
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CONFIG_BUILTIN=y
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# CONFIG_PIC is not set
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# CONFIG_SYMTAB_ORDEREDBYNAME is not set
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@ -380,10 +404,12 @@ CONFIG_NUNGET_CHARS=0
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# CONFIG_LIBM is not set
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# CONFIG_NOPRINTF_FIELDWIDTH is not set
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# CONFIG_LIBC_FLOATINGPOINT is not set
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CONFIG_LIB_RAND_ORDER=1
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# CONFIG_EOL_IS_CR is not set
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# CONFIG_EOL_IS_LF is not set
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# CONFIG_EOL_IS_BOTH_CRLF is not set
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CONFIG_EOL_IS_EITHER_CRLF=y
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# CONFIG_LIBC_EXECFUNCS is not set
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CONFIG_POSIX_SPAWN_PROXY_STACKSIZE=1024
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CONFIG_TASK_SPAWN_DEFAULT_STACKSIZE=1536
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# CONFIG_LIBC_STRERROR is not set
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@ -398,6 +424,7 @@ CONFIG_LIB_SENDFILE_BUFSIZE=512
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#
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# CONFIG_SCHED_WORKQUEUE is not set
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# CONFIG_LIB_KBDCODEC is not set
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# CONFIG_LIB_SLCDCODEC is not set
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#
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# Basic CXX Support
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@ -412,12 +439,14 @@ CONFIG_LIB_SENDFILE_BUFSIZE=512
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#
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# Built-In Applications
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#
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CONFIG_BUILTIN_PROXY_STACKSIZE=1024
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#
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# Examples
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#
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# CONFIG_EXAMPLES_BUTTONS is not set
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# CONFIG_EXAMPLES_CAN is not set
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CONFIG_EXAMPLES_CC3000BASIC=y
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# CONFIG_EXAMPLES_COMPOSITE is not set
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# CONFIG_EXAMPLES_DHCPD is not set
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# CONFIG_EXAMPLES_ELF is not set
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@ -431,8 +460,9 @@ CONFIG_LIB_SENDFILE_BUFSIZE=512
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# CONFIG_EXAMPLES_IGMP is not set
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# CONFIG_EXAMPLES_LCDRW is not set
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# CONFIG_EXAMPLES_MM is not set
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# CONFIG_EXAMPLES_MOUNT is not set
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# CONFIG_EXAMPLES_MODBUS is not set
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# CONFIG_EXAMPLES_MOUNT is not set
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# CONFIG_EXAMPLES_NRF24L01TERM is not set
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CONFIG_EXAMPLES_NSH=y
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# CONFIG_EXAMPLES_NULL is not set
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# CONFIG_EXAMPLES_NX is not set
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@ -446,13 +476,16 @@ CONFIG_EXAMPLES_NSH=y
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# CONFIG_EXAMPLES_OSTEST is not set
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# CONFIG_EXAMPLES_PASHELLO is not set
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# CONFIG_EXAMPLES_PIPE is not set
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# CONFIG_EXAMPLES_POLL is not set
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# CONFIG_EXAMPLES_POSIXSPAWN is not set
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# CONFIG_EXAMPLES_QENCODER is not set
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# CONFIG_EXAMPLES_RGMP is not set
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# CONFIG_EXAMPLES_ROMFS is not set
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# CONFIG_EXAMPLES_SENDMAIL is not set
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# CONFIG_EXAMPLES_SERLOOP is not set
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# CONFIG_EXAMPLES_SLCD is not set
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# CONFIG_EXAMPLES_SMART_TEST is not set
|
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# CONFIG_EXAMPLES_SMART is not set
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# CONFIG_EXAMPLES_TCPECHO is not set
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# CONFIG_EXAMPLES_TELNETD is not set
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# CONFIG_EXAMPLES_THTTPD is not set
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# CONFIG_EXAMPLES_TIFF is not set
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@ -505,6 +538,7 @@ CONFIG_EXAMPLES_NSH=y
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# NSH Library
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#
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CONFIG_NSH_LIBRARY=y
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CONFIG_NSH_BUILTIN_APPS=y
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#
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# Disable Individual commands
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@ -512,6 +546,7 @@ CONFIG_NSH_LIBRARY=y
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# CONFIG_NSH_DISABLE_CAT is not set
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CONFIG_NSH_DISABLE_CD=y
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CONFIG_NSH_DISABLE_CP=y
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# CONFIG_NSH_DISABLE_CMP is not set
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CONFIG_NSH_DISABLE_DD=y
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# CONFIG_NSH_DISABLE_ECHO is not set
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# CONFIG_NSH_DISABLE_EXEC is not set
|
||||
@ -548,9 +583,15 @@ CONFIG_NSH_DISABLE_UMOUNT=y
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# CONFIG_NSH_DISABLE_USLEEP is not set
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CONFIG_NSH_DISABLE_WGET=y
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# CONFIG_NSH_DISABLE_XD is not set
|
||||
|
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#
|
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# Configure Command Options
|
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#
|
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# CONFIG_NSH_CMDOPT_DF_H is not set
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CONFIG_NSH_CODECS_BUFSIZE=128
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CONFIG_NSH_FILEIOSIZE=64
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CONFIG_NSH_LINELEN=80
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CONFIG_NSH_MAXARGUMENTS=6
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CONFIG_NSH_NESTDEPTH=3
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CONFIG_NSH_DISABLESCRIPT=y
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# CONFIG_NSH_DISABLEBG is not set
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||||
@ -560,7 +601,7 @@ CONFIG_NSH_CONSOLE=y
|
||||
# USB Trace Support
|
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#
|
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# CONFIG_NSH_CONDEV is not set
|
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# CONFIG_NSH_ARCHINIT is not set
|
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CONFIG_NSH_ARCHINIT=y
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#
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# NxWidgets/NxWM
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@ -585,7 +626,11 @@ CONFIG_NSH_CONSOLE=y
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# CONFIG_SYSTEM_INSTALL is not set
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#
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# RAM Test
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# FLASH Erase-all Command
|
||||
#
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#
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# RAM test
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||||
#
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# CONFIG_SYSTEM_RAMTEST is not set
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@ -618,3 +663,8 @@ CONFIG_READLINE_ECHO=y
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#
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# USB Monitor
|
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#
|
||||
|
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#
|
||||
# Zmodem Commands
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#
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# CONFIG_SYSTEM_ZMODEM is not set
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@ -40,13 +40,13 @@ CFLAGS += -I$(TOPDIR)/sched
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ASRCS =
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AOBJS = $(ASRCS:.S=$(OBJEXT))
|
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|
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CSRCS = kl_boardinitialize.c
|
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CSRCS = kl_boardinitialize.c kl_wifi.c
|
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ifeq ($(CONFIG_KL_TSI),y)
|
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CSRCS += kl_tsi.c
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endif
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ifeq ($(CONFIG_KL_SPI0),y)
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ifeq ($(CONFIG_KL_SPI),y)
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CSRCS += kl_spi.c
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endif
|
||||
|
||||
|
||||
159
configs/freedom-kl25z/src/kl_wifi.c
Normal file
159
configs/freedom-kl25z/src/kl_wifi.c
Normal file
@ -0,0 +1,159 @@
|
||||
/****************************************************************************
|
||||
* configs/freedom-kl25z/src/kl_tsi.c
|
||||
*
|
||||
* Copyright (C) 2013 Alan Carvalho de Assis
|
||||
* Author: Alan Carvalho de Assis <acassis@gmail.com>
|
||||
*
|
||||
*
|
||||
* 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.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
#include <arch/board/kl_wifi.h>
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdint.h>
|
||||
#include <errno.h>
|
||||
#include <debug.h>
|
||||
|
||||
#include <nuttx/arch.h>
|
||||
#include <nuttx/fs/fs.h>
|
||||
|
||||
#include <nuttx/cc3000/spi.h>
|
||||
|
||||
#include "up_arch.h"
|
||||
#include "kl_gpio.h"
|
||||
#include "chip/kl_pinmux.h"
|
||||
#include "chip/kl_sim.h"
|
||||
#include "freedom-kl25z.h"
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Private Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/*
|
||||
* Used by CC3000 driver to read status of WIFI_IRQ
|
||||
*/
|
||||
inline long ReadWlanInterruptPin(void)
|
||||
{
|
||||
// Return the status of WIFI_IRQ pin
|
||||
return kl_gpioread(GPIO_WIFI_IRQ);
|
||||
}
|
||||
|
||||
/*
|
||||
* Enable/Disable WiFi
|
||||
*/
|
||||
void WriteWlanEnablePin(uint8_t val)
|
||||
{
|
||||
kl_gpiowrite(GPIO_WIFI_EN, val);
|
||||
}
|
||||
|
||||
/*
|
||||
* Assert CC3000 CS
|
||||
*/
|
||||
void AssertWlanCS(void)
|
||||
{
|
||||
kl_gpiowrite(GPIO_WIFI_CS, false);
|
||||
}
|
||||
|
||||
/*
|
||||
* Deassert CC3000 CS
|
||||
*/
|
||||
void DeassertWlanCS(void)
|
||||
{
|
||||
kl_gpiowrite(GPIO_WIFI_CS, true);
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: Wlan_Setup
|
||||
*
|
||||
* Description:
|
||||
* Initialize all pins needed to control CC3000 Module and attach to IRQ
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void Wlan_Setup(void)
|
||||
{
|
||||
int ret;
|
||||
uint32_t regval;
|
||||
|
||||
printf("\nExecuting kl_irq_initialize!\n");
|
||||
|
||||
/* Configure the PIN used to enable the chip */
|
||||
kl_configgpio(GPIO_WIFI_EN);
|
||||
|
||||
/* Configure PIN to detect interrupts */
|
||||
kl_configgpio(GPIO_WIFI_IRQ);
|
||||
|
||||
/* Configure PIN used as SPI CS */
|
||||
kl_configgpio(GPIO_WIFI_CS);
|
||||
|
||||
/* Make sure the chip is OFF before we start */
|
||||
WriteWlanEnablePin(false);
|
||||
|
||||
/* Make sure the SPI CS pin is deasserted */
|
||||
DeassertWlanCS();
|
||||
|
||||
/* Configure pin to detect interrupt on falling edge */
|
||||
regval = getreg32(KL_PORTA_PCR16);
|
||||
regval |= PORT_PCR_IRQC_FALLING;
|
||||
putreg32(regval, KL_PORTA_PCR16);
|
||||
|
||||
ret = irq_attach(KL_IRQ_PORTA, CC3000InterruptHandler);
|
||||
if (ret == OK)
|
||||
{
|
||||
up_enable_irq(KL_IRQ_PORTA);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user