Add file needed with previouis commit.
This commit is contained in:
Gregory Nutt
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90680e28d4
commit
7f9700804f
1 changed files with 411 additions and 0 deletions
411
configs/pic32mx7mmb/src/pic32_bringup.c
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411
configs/pic32mx7mmb/src/pic32_bringup.c
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/****************************************************************************
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* config/pic32mx7mmb/src/pic32_bringup.c
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*
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* Copyright (C) 2012, 2016-2017 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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* 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 <nuttx/config.h>
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#include <sys/mount.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/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 "pic32mx7mmb.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 Mikroelektronika PIC32MX7 MMB has one SD slot on board, connected to SPI 1. */
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#ifndef CONFIG_PIC32MX_MMCSDSPIPORTNO
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# define CONFIG_PIC32MX_MMCSDSPIPORTNO 1
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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 slot 0 (there is only one
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* SD slot on the Mikroelektronica PIC32MX7 MMB).
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*/
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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 Mikroelektronika PIC32MX7 MMB 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", 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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(void)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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FAR 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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/* The SPI should be in 8-bit (default) and mode2: CKP=1, CKE=0.
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* The MMC/SD driver will control the SPI frequency. WARNING:
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* this is not the right way to do this... this should be done
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* the MMC/SD driver: Other device on SPI1 may need other mode
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* settings.
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*/
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SPI_SETMODE(spi, SPIDEV_MODE2);
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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,
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"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 pid;
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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, "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, "ERROR: Failed to register the CDC/ACM serial class: %d\n", 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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pid = task_create("usbhost", CONFIG_USBHOST_DEFPRIO,
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CONFIG_USBHOST_STACKSIZE,
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(main_t)nsh_waiter, (FAR char * const *)NULL);
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return pid < 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 Mikroelektronika PIC32MX7 MMB has no way to know when the USB is
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* connected. So we will fake it and tell the USB driver that the USB is
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* 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: pic32mx_bringup
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*
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* Description:
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* Perform architecture-specific initialization
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*
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* CONFIG_BOARD_INITIALIZE=y :
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* Called from board_initialize().
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*
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* CONFIG_BOARD_INITIALIZE=n && CONFIG_LIB_BOARDCTL=y :
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* Called from the NSH library
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*
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****************************************************************************/
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int pic32mx_bringup(void)
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{
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int ret;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
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}
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if (ret == OK)
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#endif
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{
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/* Initialize SPI-based microSD */
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ret = nsh_sdinitialize();
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}
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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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