389 lines
11 KiB
C
389 lines
11 KiB
C
/****************************************************************************
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* boards/mips/pic32mx/pic32mx-starterkit/src/pic32mx_appinit.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 <nuttx/config.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <syslog.h>
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#include <errno.h>
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#include <assert.h>
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#include <nuttx/kthread.h>
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#include <nuttx/board.h>
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#include <nuttx/spi/spi.h>
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#include <nuttx/mmcsd.h>
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#include <nuttx/usb/usbhost.h>
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#include "pic32mx.h"
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#include "pic32mx-starterkit.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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/* Assume that we have MMC/SD, USB host (and USB device) */
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#define NSH_HAVEMMCSD 1
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#define NSH_HAVEUSBHOST 1
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/* The PIC32 Ethernet Starter Kit does not have an SD slot on board. If one
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* is added, then it must be specified by defining which SPI bus that it
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* is connected on.
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*/
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#ifndef CONFIG_PIC32MX_MMCSDSPIPORTNO
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# undef NSH_HAVEMMCSD
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#endif
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/* Make sure that the configuration will support the SD card */
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#ifdef NSH_HAVEMMCSD
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/* Make sure that the NSH configuration uses the correct SPI */
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# if !defined(CONFIG_NSH_MMCSDSPIPORTNO)
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# define CONFIG_NSH_MMCSDSPIPORTNO CONFIG_PIC32MX_MMCSDSPIPORTNO
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# elif CONFIG_NSH_MMCSDSPIPORTNO != CONFIG_PIC32MX_MMCSDSPIPORTNO
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# warning "CONFIG_PIC32MX_MMCSDSPIPORTNO does not match CONFIG_NSH_MMCSDSPIPORTNO"
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# undef CONFIG_NSH_MMCSDSPIPORTNO
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# define CONFIG_NSH_MMCSDSPIPORTNO CONFIG_PIC32MX_MMCSDSPIPORTNO
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# endif
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/* Make sure that the NSH configuration uses the slot */
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# if !defined(CONFIG_NSH_MMCSDSLOTNO)
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# elif CONFIG_NSH_MMCSDSLOTNO != 0
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# warning "The PIC32 Starter Kit has only one slot (0)"
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# undef CONFIG_NSH_MMCSDSLOTNO
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# define CONFIG_NSH_MMCSDSLOTNO 0
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# endif
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/* Make sure that the correct SPI is enabled in the configuration */
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# if CONFIG_PIC32MX_MMCSDSPIPORTNO == 1 && !defined(CONFIG_PIC32MX_SPI1)
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# warning "CONFIG_PIC32MX_SPI1 is not enabled"
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# undef NSH_HAVEMMCSD
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# elif CONFIG_PIC32MX_MMCSDSPIPORTNO == 2 && !defined(CONFIG_PIC32MX_SPI2)
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# warning "CONFIG_PIC32MX_SPI2 is not enabled"
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# undef NSH_HAVEMMCSD
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# elif CONFIG_PIC32MX_MMCSDSPIPORTNO == 3 && !defined(CONFIG_PIC32MX_SPI3)
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# warning "CONFIG_PIC32MX_SPI3 is not enabled"
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# undef NSH_HAVEMMCSD
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# elif CONFIG_PIC32MX_MMCSDSPIPORTNO == 4 && !defined(CONFIG_PIC32MX_SPI4)
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# warning "CONFIG_PIC32MX_SPI4 is not enabled"
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# undef NSH_HAVEMMCSD
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# endif
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#endif
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/* Can't support MMC/SD features if mountpoints are disabled */
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#if defined(CONFIG_DISABLE_MOUNTPOINT)
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# undef NSH_HAVEMMCSD
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#endif
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/* Select /dev/mmcsd0 if no other minor number is provided */
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#ifndef CONFIG_NSH_MMCSDMINOR
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# define CONFIG_NSH_MMCSDMINOR 0
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#endif
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/* USB Host */
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#ifdef CONFIG_USBHOST
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# ifndef CONFIG_PIC32MX_USBHOST
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# error "CONFIG_PIC32MX_USBHOST is not selected"
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# undef NSH_HAVEUSBHOST
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# endif
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#endif
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#ifdef CONFIG_PIC32MX_USBHOST
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# ifndef CONFIG_USBHOST
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# warning "CONFIG_USBHOST is not selected"
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# undef NSH_HAVEUSBHOST
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# endif
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#endif
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#if !defined(CONFIG_USBHOST) || !defined(CONFIG_PIC32MX_USBHOST)
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# undef NSH_HAVEUSBHOST
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#endif
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#ifdef NSH_HAVEUSBHOST
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# ifndef CONFIG_USBHOST_DEFPRIO
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# define CONFIG_USBHOST_DEFPRIO 50
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# endif
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# ifndef CONFIG_USBHOST_STACKSIZE
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# ifdef CONFIG_USBHOST_HUB
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# define CONFIG_USBHOST_STACKSIZE 1536
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# else
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# define CONFIG_USBHOST_STACKSIZE 1024
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# endif
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# endif
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef NSH_HAVEUSBHOST
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static struct usbhost_connection_s *g_usbconn;
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: nsh_waiter
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*
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* Description:
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* Wait for USB devices to be connected.
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*
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****************************************************************************/
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#ifdef NSH_HAVEUSBHOST
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static int nsh_waiter(int argc, char *argv[])
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{
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struct usbhost_hubport_s *hport;
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syslog(LOG_INFO, "nsh_waiter: Running\n");
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for (; ; )
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{
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/* Wait for the device to change state */
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DEBUGVERIFY(CONN_WAIT(g_usbconn, &hport));
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syslog(LOG_INFO, "nsh_waiter: %s\n",
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hport->connected ? "connected" : "disconnected");
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/* Did we just become connected? */
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if (hport->connected)
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{
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/* Yes.. enumerate the newly connected device */
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CONN_ENUMERATE(g_usbconn, hport);
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}
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}
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/* Keep the compiler from complaining */
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return 0;
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}
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#endif
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/****************************************************************************
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* Name: nsh_sdinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef NSH_HAVEMMCSD
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static int nsh_sdinitialize(void)
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{
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struct spi_dev_s *spi;
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int ret;
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/* Get the SPI port */
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spi = pic32mx_spibus_initialize(CONFIG_NSH_MMCSDSPIPORTNO);
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if (!spi)
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{
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syslog(LOG_ERR, "ERROR: Failed to initialize SPI port %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO);
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ret = -ENODEV;
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goto errout;
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}
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syslog(LOG_INFO, "Successfully initialized SPI port %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO);
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/* Bind the SPI port to the slot */
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ret = mmcsd_spislotinitialize(CONFIG_NSH_MMCSDMINOR,
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CONFIG_NSH_MMCSDSLOTNO, spi);
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if (ret < 0)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to bind SPI port %d to MMC/SD slot %d: %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO,
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CONFIG_NSH_MMCSDSLOTNO, ret);
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goto errout;
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}
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syslog(LOG_INFO, "Successfully bound SPI port %d to MMC/SD slot %d\n",
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CONFIG_NSH_MMCSDSPIPORTNO,
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CONFIG_NSH_MMCSDSLOTNO);
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return OK;
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errout:
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return ret;
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}
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#else
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# define nsh_sdinitialize() (OK)
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#endif
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/****************************************************************************
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* Name: nsh_usbhostinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef NSH_HAVEUSBHOST
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static int nsh_usbhostinitialize(void)
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{
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int ret;
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/* First, register all of the class drivers needed to support the drivers
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* that we care about:
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*/
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syslog(LOG_INFO, "Register class drivers\n");
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#ifdef CONFIG_USBHOST_MSC
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/* Register the USB host Mass Storage Class */
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ret = usbhost_msc_initialize();
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if (ret != OK)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to register the mass storage class: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_USBHOST_CDCACM
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/* Register the CDC/ACM serial class */
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ret = usbhost_cdcacm_initialize();
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if (ret != OK)
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{
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syslog(LOG_ERR,
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"ERROR: Failed to register the CDC/ACM serial class: %d\n",
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ret);
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}
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#endif
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/* Then get an instance of the USB host interface */
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syslog(LOG_INFO, "Initialize USB host\n");
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g_usbconn = pic32_usbhost_initialize(0);
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if (g_usbconn)
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{
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/* Start a thread to handle device connection. */
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syslog(LOG_INFO, "Start nsh_waiter\n");
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ret = kthread_create("usbhost", CONFIG_USBHOST_DEFPRIO,
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CONFIG_USBHOST_STACKSIZE,
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nsh_waiter, NULL);
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return ret < 0 ? -ENOEXEC : OK;
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}
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return -ENODEV;
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}
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#else
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# define nsh_usbhostinitialize() (OK)
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#endif
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/****************************************************************************
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* Name: nsh_usbdevinitialize
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*
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* Description:
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* Initialize SPI-based microSD.
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*
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****************************************************************************/
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#ifdef CONFIG_USBDEV
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static int nsh_usbdevinitialize(void)
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{
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/* The PIC32 Starter Kit has no way to know when the USB is connected. So
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* we will fake it and tell the USB driver that the USB is connected now.
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*/
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pic32mx_usbattach();
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return OK;
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}
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#else
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# define nsh_usbdevinitialize() (OK)
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_app_initialize
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*
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* Description:
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* Perform application specific initialization. This function is never
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* called directly from application code, but only indirectly via the
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* (non-standard) boardctl() interface using the command BOARDIOC_INIT.
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*
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* Input Parameters:
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* arg - The boardctl() argument is passed to the board_app_initialize()
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* implementation without modification. The argument has no
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* meaning to NuttX; the meaning of the argument is a contract
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* between the board-specific initialization logic and the
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* matching application logic. The value could be such things as a
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* mode enumeration value, a set of DIP switch switch settings, a
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* pointer to configuration data read from a file or serial FLASH,
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* or whatever you would like to do with it. Every implementation
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* should accept zero/NULL as a default configuration.
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* any failure to indicate the nature of the failure.
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*
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****************************************************************************/
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int board_app_initialize(uintptr_t arg)
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{
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int ret;
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/* Initialize SPI-based microSD */
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ret = nsh_sdinitialize();
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if (ret == OK)
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{
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/* Initialize USB host */
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ret = nsh_usbhostinitialize();
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}
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if (ret == OK)
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{
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/* Initialize USB device */
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ret = nsh_usbdevinitialize();
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}
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return ret;
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}
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