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Add support for RTC driver to the STM32F4-Discovery board

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This commit is contained in:
Gregory Nutt
2015-02-15 10:11:01 -06:00
parent aaabd05bfc
commit d5dd1e383d
2 changed files with 51 additions and 5 deletions
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configs/stm32f4discovery/src/stm32_bringup.c
+44 -5
View File
@@ -1,7 +1,7 @@
/****************************************************************************
* config/stm32f4discovery/src/stm32_bringup.c
*
* Copyright (C) 2012, 2014 Gregory Nutt. All rights reserved.
* Copyright (C) 2012, 2014-2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -48,13 +48,24 @@
# include <apps/usbmonitor.h>
#endif
#include "stm32.h"
#ifdef CONFIG_STM32_OTGFS
# include "stm32_usbhost.h"
#endif
#include "stm32.h"
#include "stm32f4discovery.h"
/* Conditional logic in stm32f4discover.h will determine if certain features
* are supported. Tests for these features need to be made after including
* stm32f4discovery.h.
*/
#ifdef HAVE_RTC_DRIVER
# include <nuttx/rtc.h>
# include "stm32_rtc.h"
#endif
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
@@ -79,6 +90,9 @@
int stm32_bringup(void)
{
#ifdef HAVE_RTC_DRIVER
FAR struct rtc_lowerhalf_s *lower;
#endif
int ret = OK;
#ifdef HAVE_SDIO
@@ -87,7 +101,7 @@ int stm32_bringup(void)
ret = stm32_sdio_initialize();
if (ret != OK)
{
fdbg("Failed to initialize MMC/SD driver: %d\n", ret);
fdbg("ERROR: Failed to initialize MMC/SD driver: %d\n", ret);
return ret;
}
#endif
@@ -100,7 +114,7 @@ int stm32_bringup(void)
ret = stm32_usbhost_initialize();
if (ret != OK)
{
udbg("Failed to initialize USB host: %d\n", ret);
udbg("ERROR: Failed to initialize USB host: %d\n", ret);
return ret;
}
#endif
@@ -111,7 +125,32 @@ int stm32_bringup(void)
ret = usbmonitor_start(0, NULL);
if (ret != OK)
{
udbg("Start USB monitor: %d\n", ret);
udbg("ERROR: Failed to start USB monitor: %d\n", ret);
return ret;
}
#endif
#ifdef HAVE_RTC_DRIVER
/* Instantiate the STM32 lower-half RTC driver */
lower = stm32_rtc_lowerhalf();
if (!lower)
{
sdbg("ERROR: Failed to instantiate the RTC lower-half driver\n");
return -ENOMEM;
}
else
{
/* Bind the lower half driver and register the combined RTC driver
* as /dev/rtc0
*/
ret = rtc_initialize(0, lower);
if (ret < 0)
{
sdbg("ERROR: Failed to bind/register the RTC driver: %d\n", ret);
return ret;
}
}
#endif
configs/stm32f4discovery/src/stm32f4discovery.h
+7
View File
@@ -67,6 +67,7 @@
#define HAVE_USBHOST 1
#define HAVE_USBMONITOR 1
#define HAVE_SDIO 1
#define HAVE_RTC_DRIVER 1
/* Can't support USB host or device features if USB OTG FS is not enabled */
@@ -133,6 +134,12 @@
# endif
#endif
/* Check if we can support the RTC driver */
#if !defined(CONFIG_RTC) || !defined(CONFIG_RTC_DRIVER)
# undef HAVE_RTC_DRIVER
#endif
/* STM32F4 Discovery GPIOs **************************************************/
/* LEDs */