mirror of
https://github.com/apache/nuttx.git
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arch/arm/src/lpc54xx: Add an RTC driver and a RTC character driver lower half. configs/lpcxpresso-lpc54628: Add logic to register the RTC character driver if it is enabled. Enable the RTC and RTC character driver in the NSH configuration.
This commit is contained in:
Gregory Nutt
@@ -406,6 +406,11 @@ config LPC54_LCD
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default n
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depends on ARCH_LPC54_HAVE_LCD
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config LPC54_RTC
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bool "RTC"
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default n
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select RTC
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config LPC54_SDMMC
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bool "SD/MMC"
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default n
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@@ -105,6 +105,13 @@ ifeq ($(CONFIG_LPC54_GPIOIRQ),y)
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CHIP_CSRCS += lpc54_gpioirq.c
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endif
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ifeq ($(CONFIG_RTC),y)
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CHIP_CSRCS += lpc54_rtc.c
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ifeq ($(CONFIG_RTC_DRIVER),y)
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CHIP_CSRCS += lpc54_rtc_lowerhalf.c
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endif
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endif
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ifeq ($(CONFIG_LPC54_WWDT),y)
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CHIP_CSRCS += lpc54_wwdt.c
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endif
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@@ -0,0 +1,96 @@
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/********************************************************************************************
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* arch/arm/src/lpc54xx/lpc54_rtc.h
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*
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* Copyright (C) 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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#ifndef __ARCH_ARM_SRC_LPC54XX_CHIP_LPC54_RTC_H
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#define __ARCH_ARM_SRC_LPC54XX_CHIP_LPC54_RTC_H
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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 "chip/lpc54_memorymap.h"
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/********************************************************************************************
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* Pre-processor Definitions
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********************************************************************************************/
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#define LPC54_RTC_NGPREGS 8 /* Nubmer of general purpose registers */
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/* Register offsets *************************************************************************/
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#define LPC54_RTC_CTRL_OFFSET 0x0000 /* RTC control */
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#define LPC54_RTC_MATCH_OFFSET 0x0004 /* RTC match */
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#define LPC54_RTC_COUNT_OFFSET 0x0008 /* RTC counter */
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#define LPC54_RTC_WAKE_OFFSET 0x000c /* High-resolution/wake-up timer control */
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/* General purpose registers */
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#define LPC54_RTC_GPREG_OFFSET(n) (0x0040 + ((n) << 2))
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/* Register addresses ***********************************************************************/
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#define LPC54_RTC_CTRL (LPC54_RTC_BASE + LPC54_RTC_CTRL_OFFSET)
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#define LPC54_RTC_MATCH (LPC54_RTC_BASE + LPC54_RTC_MATCH_OFFSET)
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#define LPC54_RTC_COUNT (LPC54_RTC_BASE + LPC54_RTC_COUNT_OFFSET)
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#define LPC54_RTC_WAKE (LPC54_RTC_BASE + LPC54_RTC_WAKE_OFFSET)
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/* General purpose registers */
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#define LPC54_RTC_GPREG(n) (LPC54_RTC_BASE + LPC54_RTC_GPREG_OFFSET(n))
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/* Register bit definitions *****************************************************************/
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/* RTC control */
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#define RTC_CTRL_SWRESET (1 << 0) /* Bit 0: Software reset control */
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#define RTC_CTRL_ALARM1HZ (1 << 2) /* Bit 2: RTC 1 Hz timer alarm flag status */
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#define RTC_CTRL_WAKE1KHZ (1 << 3) /* Bit 3: RTC 1 kHz timer wake-up flag status */
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#define RTC_CTRL_ALARMDPDEN (1 << 4) /* Bit 4: RTC 1 Hz timer alarm enable for deep power-down */
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#define RTC_CTRL_WAKEDPDEN (1 << 5) /* Bit 5: RTC 1 kHz timer wake-up enable for deep power-down */
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#define RTC_CTRL_RTC1KHZEN (1 << 6) /* Bit 6: RTC 1 kHz clock enable */
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#define RTC_CTRL_RTCEN (1 << 7) /* Bit 7: RTC enable */
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#define RTC_CTRL_OSCPD (1 << 8) /* Bit 8: RTC oscillator power-down control */
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/* RTC match (32-bit timer match value) */
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/* RTC counter (32-bit counter value) */
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/* High-resolution/wake-up timer control */
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#define RTC_WAKE_MASK 0xffff /* Bits 0-15: 16 hi-resoution/wake-up timer */
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/* General purpose registers (32-bit value) */
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#endif /* __ARCH_ARM_SRC_LPC54XX_CHIP_LPC54_RTC_H */
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@@ -279,7 +279,7 @@
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#define LPC54_SYSCON_FROCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_FROCTRL_OFFSET)
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#define LPC54_SYSCON_SYSOSCCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_SYSOSCCTRL_OFFSET)
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#define LPC54_SYSCON_WDTOSCCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_WDTOSCCTRL_OFFSET)
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#define LPC54_SYSCON_RTCOSCCTRL_ (LPC54_SYSCON_BASE + LPC54_SYSCON_RTCOSCCTRL_OFFSET)
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#define LPC54_SYSCON_RTCOSCCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_RTCOSCCTRL_OFFSET)
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#define LPC54_SYSCON_USBPLLCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_USBPLLCTRL_OFFSET)
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#define LPC54_SYSCON_USBPLLSTAT (LPC54_SYSCON_BASE + LPC54_SYSCON_USBPLLSTAT_OFFSET)
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#define LPC54_SYSCON_SYSPLLCTRL (LPC54_SYSCON_BASE + LPC54_SYSCON_SYSPLLCTRL_OFFSET)
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@@ -741,8 +741,8 @@
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#define SYSCON_WDTOSCCTRL_FREQSEL_SHIFT (5) /* Bits 5-9: Frequency select */
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#define SYSCON_WDTOSCCTRL_FREQSEL_MASK (0x1f << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT)
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# define SYSCON_WDTOSCCTRL_FREQSEL_04pMHZ (1 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.4 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_0p75MHZ (2 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.6 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_0p9MHZ (3 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.75 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_0p6MHZ (2 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.6 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_0p75MHZ (3 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.75 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_0p9MHZ (4 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 0.9 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_1p0MHZ (5 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 1.0 MHz */
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# define SYSCON_WDTOSCCTRL_FREQSEL_1p2MHZ (6 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 1.2 MHz */
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@@ -773,7 +773,9 @@
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# define SYSCON_WDTOSCCTRL_FREQSEL_3p05MHZ (31 << SYSCON_WDTOSCCTRL_FREQSEL_SHIFT) /* 3.05 MHz */
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/* RTC oscillator 32 kHz output control */
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#define SYSCON_RTCOSCCTRL_
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#define SYSCON_RTCOSCCTRL_EN (1 << 0) /* Bit 0: RTC 32 kHz clock enable */
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/* USB PLL control */
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#define SYSCON_USBPLLCTRL_
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/* USB PLL status */
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@@ -0,0 +1,377 @@
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/****************************************************************************
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* arch/arm/src/lpc54/lpc54_rtc.c
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*
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* Copyright (C) 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
|
||||
* 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
|
||||
* 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
|
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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 <stdlib.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <time.h>
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#include <errno.h>
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#include <nuttx/arch.h>
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#include <nuttx/irq.h>
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#include <nuttx/timers/rtc.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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#include "chip/lpc54_rtc.h"
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#include "lpc54_enableclk.h"
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#include "lpc54_rtc.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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#ifdef CONFIG_RTC_HIRES
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# error "CONFIG_RTC_HIRES is not supported"
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#endif
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#ifdef CONFIG_RTC_ALARM
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/* Callback to use when the alarm expires */
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static alarmcb_t g_alarmcb;
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#endif
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/* Variable determines if the RTC has been initialized and enabled. */
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volatile bool g_rtc_enabled = false;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lpc54_rtc_interrupt
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*
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* Description:
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* RTC interrupt service routine
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*
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* Input Parameters:
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* irq - The IRQ number that generated the interrupt
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* context - Architecture specific register save information.
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*
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* Returned Value:
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* Zero (OK) on success; A negated errno value on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_RTC_ALARM
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static int lpc54_rtc_interrupt(int irq, void *context, FAR void *arg)
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{
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uint32_t status = getreg16(LPC54_RTC_CTRL);
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if ((status & RTC_CTRL_ALARM1HZ) != 0 && g_alarmcb != NULL)
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{
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/* Clear pending status */
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putreg32(status | RTC_CTRL_ALARM1HZ | RTC_CTRL_WAKE1KHZ, LPC54_RTC_CTRL);
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/* Perform the alarm callback */
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g_alarmcb();
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g_alarmcb = NULL;
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}
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return OK;
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}
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: up_rtc_initialize
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*
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* Description:
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* Initialize the hardware RTC per the selected configuration. This function is
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* called once during the OS initialization sequence
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int up_rtc_initialize(void)
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{
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uint32_t regval;
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/* Enable the clock to the RTC register interface and peripheral clock. */
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lpc54_rtc_enableclk();
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/* If the 32 kHz output of the RTC is used by another part of the system, enable it
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* via the EN bit in the RTCOSCCTRL register
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*/
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putreg32(SYSCON_RTCOSCCTRL_EN, LPC54_SYSCON_RTCOSCCTRL);
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/* The RTC is already running or, perhaps waiting to be enabled if it was never
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* configured. We will set enable the RTC only if the time if initialized by
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* higher level logic.
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*/
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g_rtc_enabled = true;
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return OK;
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}
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/****************************************************************************
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* Name: up_rtc_time
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*
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* Description:
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* Get the current time in seconds. This is similar to the standard time()
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* function. This interface is only required if the low-resolution RTC/counter
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* hardware implementation selected. It is only used by the RTOS during
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* initialization to set up the system time when CONFIG_RTC is set.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* The current time in seconds
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*
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****************************************************************************/
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time_t up_rtc_time(void)
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{
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/* Read and return the 32-bit 1Hz RTC counter value */
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return getreg32(LPC54_RTC_COUNT);
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}
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/****************************************************************************
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* Name: up_rtc_settime
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*
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* Description:
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* Set the RTC to the provided time. All RTC implementations must be
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* able to set their time based on a standard timespec.
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*
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* Input Parameters:
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* tp - the time to use
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno on failure
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*
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****************************************************************************/
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int up_rtc_settime(FAR const struct timespec *tp)
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{
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irqstate_t flags;
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uint32_t regval;
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/* Read the Break out the time values */
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flags = enter_critical_section();
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/* Make sure the the RTC is out of reset, but not enabled. */
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regval = getreg32(LPC54_RTC_CTRL);
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regval &= ~(RTC_CTRL_SWRESET | RTC_CTRL_RTCEN | RTC_CTRL_RTC1KHZEN |
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RTC_CTRL_OSCPD);
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putreg32(regval, LPC54_RTC_CTRL);
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/* Then write the time in seconds to the counter register. NOTE that we
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* can only write to this register when the RTC_EN bit in the RTC CTRL
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* Register is 0.
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*/
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putreg32(tp->tv_sec, LPC54_RTC_COUNT);
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/* (Re-)enabled the RTC. The counter increments one second after the
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* RTC_EN bit is set.
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*/
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regval |= RTC_CTRL_RTCEN;
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putreg32(regval, LPC54_RTC_CTRL);
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/* Make sure that magic value is in the general purpose register */
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putreg32(RTC_MAGIC, RTC_MAGIC_REG);
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leave_critical_section(flags);
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return OK;
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}
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|
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/****************************************************************************
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* Name: lpc54_rtc_setalarm
|
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*
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* Description:
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* Set up an alarm.
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*
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* Input Parameters:
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* tp - The time to set the alarm
|
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* callback - The function to call when the alarm expires.
|
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*
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* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
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#ifdef CONFIG_RTC_ALARM
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int lpc54_rtc_setalarm(FAR const struct timespec *tp, alarmcb_t callback)
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{
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irqstate_t flags;
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uint32_t regval;
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int ret = -EBUSY;
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/* Is there already something waiting on the ALARM? */
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flags = enter_critical_section();
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if (g_alarmcb == NULL)
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{
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/* No.. Save the callback function pointer */
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g_alarmcb = callback;
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/* Make sure the the RTC is out of reset. */
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regval = getreg32(LPC54_RTC_CTRL);
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regval &= ~(RTC_CTRL_SWRESET | RTC_CTRL_ALARMDPDEN | RTC_CTRL_RTC1KHZEN |
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RTC_CTRL_WAKEDPDEN | RTC_CTRL_OSCPD);
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putreg32(regval, LPC54_RTC_CTRL);
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/* Make sure that the ALARM interrupt is attached and enabled. */
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irq_attach(LPC54_IRQ_RTC, lpc54_rtc_interrupt, NULL);
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up_enable_irq(LPC54_IRQ_RTC);
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/* Set the alarm match register */
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putreg32(tp->tv_sec, LPC54_RTC_MATCH);
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/* Enable RTC alarm */
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regval |= RTC_CTRL_ALARMDPDEN;
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putreg32(regval, LPC54_RTC_CTRL);
|
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ret = OK;
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}
|
||||
|
||||
leave_critical_section(flags);
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_rdalarm
|
||||
*
|
||||
* Description:
|
||||
* Query an alarm configured in hardware.
|
||||
*
|
||||
* Input Parameters:
|
||||
* time - Current alarm setting.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
int lpc54_rtc_rdalarm(FAR struct tm *time)
|
||||
{
|
||||
uint32_t match;
|
||||
|
||||
match = getreg32(LPC54_RTC_MATCH);
|
||||
(void)gmtime_r((time_t *)&match, time);
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_cancelalarm
|
||||
*
|
||||
* Description:
|
||||
* Cancel a pending alarm alarm
|
||||
*
|
||||
* Input Parameters:
|
||||
* none
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
int lpc54_rtc_cancelalarm(void)
|
||||
{
|
||||
irqstate_t flags;
|
||||
uint32_t regval;
|
||||
int ret = -ENODATA;
|
||||
|
||||
flags = enter_critical_section();
|
||||
if (g_alarmcb != NULL)
|
||||
{
|
||||
/* Cancel the global callback function */
|
||||
|
||||
g_alarmcb = NULL;
|
||||
|
||||
/* Disable the Alarm interrupt */
|
||||
|
||||
up_disable_irq(LPC54_IRQ_RTC);
|
||||
|
||||
/* Unset the alarm */
|
||||
|
||||
regval = getreg32(LPC54_RTC_CTRL);
|
||||
regval &= ~(RTC_CTRL_SWRESET | RTC_CTRL_ALARMDPDEN | RTC_CTRL_RTC1KHZEN |
|
||||
RTC_CTRL_WAKEDPDEN | RTC_CTRL_OSCPD);
|
||||
putreg32(regval, LPC54_RTC_CTRL);
|
||||
|
||||
ret = OK;
|
||||
}
|
||||
|
||||
leave_critical_section(flags);
|
||||
return ret;
|
||||
}
|
||||
#endif
|
||||
@@ -0,0 +1,172 @@
|
||||
/****************************************************************************
|
||||
* arch/arm/src/lpc54xx/lpc54_rtc.h
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* 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
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ARCH_ARM_SRC_LPC54XX_LPC54_RTC_H
|
||||
#define __ARCH_ARM_SRC_LPC54XX_LPC54_RTC_H
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include "chip.h"
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#define RTC_MAGIC (0xfacefeed)
|
||||
#define RTC_MAGIC_REG LPC54_RTC_GPREG(0)
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
/* The form of an alarm callback */
|
||||
|
||||
typedef CODE void (*alarmcb_t)(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Data
|
||||
****************************************************************************/
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_setalarm
|
||||
*
|
||||
* Description:
|
||||
* Set up an alarm.
|
||||
*
|
||||
* Input Parameters:
|
||||
* tp - the time to set the alarm
|
||||
* callback - the function to call when the alarm expires.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
struct timespec;
|
||||
int lpc54_rtc_setalarm(FAR const struct timespec *tp, alarmcb_t callback);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_rdalarm
|
||||
*
|
||||
* Description:
|
||||
* Query an alarm configured in hardware.
|
||||
*
|
||||
* Input Parameters:
|
||||
* time - Current alarm setting.
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
struct tm;
|
||||
int lpc54_rtc_rdalarm(FAR struct tm *time);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_cancelalarm
|
||||
*
|
||||
* Description:
|
||||
* Cancel a pending alarm alarm
|
||||
*
|
||||
* Input Parameters:
|
||||
* none
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_ALARM
|
||||
int lpc54_rtc_cancelalarm(void);
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_rtc_lowerhalf
|
||||
*
|
||||
* Description:
|
||||
* Instantiate the RTC lower half driver for the LPC54. General usage:
|
||||
*
|
||||
* #include <nuttx/timers/rtc.h>
|
||||
* #include "lpc54_rtc.h"
|
||||
*
|
||||
* struct rtc_lowerhalf_s *lower;
|
||||
* lower = lpc54_rtc_lowerhalf();
|
||||
* rtc_initialize(0, lower);
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* On success, a non-NULL RTC lower interface is returned. NULL is
|
||||
* returned on any failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef CONFIG_RTC_DRIVER
|
||||
struct rtc_lowerhalf_s;
|
||||
FAR struct rtc_lowerhalf_s *lpc54_rtc_lowerhalf(void);
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#if defined(__cplusplus)
|
||||
}
|
||||
#endif
|
||||
#endif /* __ASSEMBLY__ */
|
||||
#endif /* __ARCH_ARM_SRC_LPC54XX_LPC54_RTC_H */
|
||||
File diff suppressed because it is too large
Load Diff
@@ -96,7 +96,7 @@
|
||||
#else /* !CONFIG_STM32_STM32F10XX */
|
||||
|
||||
#if !defined(CONFIG_RTC_MAGIC)
|
||||
# define CONFIG_RTC_MAGIC (0xfacefeee)
|
||||
# define CONFIG_RTC_MAGIC (0xfacefeed)
|
||||
#endif
|
||||
|
||||
#if !defined(CONFIG_RTC_MAGIC_REG)
|
||||
@@ -137,7 +137,7 @@ extern "C"
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/************************************************************************************
|
||||
/****************************************************************************
|
||||
* Name: stm32_rtc_irqinitialize
|
||||
*
|
||||
* Description:
|
||||
@@ -150,7 +150,7 @@ extern "C"
|
||||
* Returned Value:
|
||||
* Zero (OK) on success; a negated errno on failure
|
||||
*
|
||||
************************************************************************************/
|
||||
****************************************************************************/
|
||||
|
||||
int stm32_rtc_irqinitialize(void);
|
||||
|
||||
@@ -208,7 +208,7 @@ int stm32_rtc_setdatetime(FAR const struct tm *tp);
|
||||
* Instantiate the RTC lower half driver for the STM32. General usage:
|
||||
*
|
||||
* #include <nuttx/timers/rtc.h>
|
||||
* #include "stm32_rtc.h>
|
||||
* #include "stm32_rtc.h"
|
||||
*
|
||||
* struct rtc_lowerhalf_s *lower;
|
||||
* lower = stm32_rtc_lowerhalf();
|
||||
|
||||
@@ -73,6 +73,8 @@ STATUS
|
||||
2017-12-24: Added basic DMA support; brought in the WWDT driver from the
|
||||
LPC43 which has the same peripheral. Neither tested; almost certainly
|
||||
non-functional without some additional investment.
|
||||
2017-12-25: Added an RTC driver. It appears to be functional but has not
|
||||
been well tested.
|
||||
|
||||
There is still no support for the Accelerometer, SPIFI, Ethernet, or USB.
|
||||
There is a complete, but not-yet-functional SD card drirver. There is a
|
||||
@@ -344,6 +346,21 @@ Configurations
|
||||
|
||||
CONFIG_NSH_MMCSDSLOTNO=0
|
||||
|
||||
6. The RTC is enabled in this configuration.
|
||||
|
||||
NuttShell (NSH) NuttX-7.23
|
||||
nsh> date
|
||||
Jan 01 00:00:06 1970
|
||||
nsh> date -s "DEC 25 08:00:00 2017"
|
||||
nsh> date
|
||||
Dec 25 08:00:01 2017
|
||||
|
||||
After reset:
|
||||
|
||||
NuttShell (NSH) NuttX-7.23
|
||||
nsh> date
|
||||
Dec 25 08:00:05 2017
|
||||
|
||||
nxwm:
|
||||
|
||||
This is a special configuration setup for the NxWM window manager
|
||||
|
||||
@@ -25,6 +25,7 @@ CONFIG_LPC54_EMC_DYNAMIC_CS0=y
|
||||
CONFIG_LPC54_EMC=y
|
||||
CONFIG_LPC54_GPIOIRQ=y
|
||||
CONFIG_LPC54_I2C2_MASTER=y
|
||||
CONFIG_LPC54_RTC=y
|
||||
CONFIG_LPC54_USART0=y
|
||||
CONFIG_MAX_TASKS=16
|
||||
CONFIG_MAX_WDOGPARMS=2
|
||||
@@ -43,6 +44,9 @@ CONFIG_RAM_SIZE=163840
|
||||
CONFIG_RAM_START=0x10000000
|
||||
CONFIG_RAW_BINARY=y
|
||||
CONFIG_RR_INTERVAL=200
|
||||
CONFIG_RTC_ALARM=y
|
||||
CONFIG_RTC_DRIVER=y
|
||||
CONFIG_RTC_IOCTL=y
|
||||
CONFIG_SCHED_WAITPID=y
|
||||
CONFIG_SDCLONE_DISABLE=y
|
||||
CONFIG_START_DAY=2
|
||||
|
||||
@@ -57,6 +57,11 @@
|
||||
# include "lpc54_sdmmc.h"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_RTC_DRIVER
|
||||
# include <nuttx/timers/rtc.h>
|
||||
# include "lpc54_rtc.h"
|
||||
#endif
|
||||
|
||||
#include "lpcxpresso-lpc54628.h"
|
||||
|
||||
/****************************************************************************
|
||||
@@ -81,6 +86,9 @@ int lpc54_bringup(void)
|
||||
{
|
||||
#ifdef HAVE_MMCSD
|
||||
struct sdio_dev_s *sdmmc;
|
||||
#endif
|
||||
#ifdef HAVE_RTC_DRIVER
|
||||
struct rtc_lowerhalf_s *rtc;
|
||||
#endif
|
||||
int ret;
|
||||
|
||||
@@ -94,8 +102,30 @@ int lpc54_bringup(void)
|
||||
}
|
||||
#endif
|
||||
|
||||
FAR struct sdio_dev_s *lpc54_sdmmc_initialize(int slotno);
|
||||
#ifdef HAVE_RTC_DRIVER
|
||||
/* Instantiate the STM32 lower-half RTC driver */
|
||||
|
||||
rtc = lpc54_rtc_lowerhalf();
|
||||
if (rtc == NULL)
|
||||
{
|
||||
syslog(LOG_ERR,
|
||||
"ERROR: Failed to instantiate the RTC lower-half driver\n");
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Bind the lower half driver and register the combined RTC driver
|
||||
* as /dev/rtc0
|
||||
*/
|
||||
|
||||
ret = rtc_initialize(0, rtc);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR,
|
||||
"ERROR: Failed to bind/register the RTC driver: %d\n",
|
||||
ret);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_I2CTOOL
|
||||
/* Register I2C drivers on behalf of the I2C tool */
|
||||
|
||||
@@ -49,9 +49,10 @@
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
#define HAVE_I2CTOOL 1
|
||||
#define HAVE_FT5x06 1
|
||||
#define HAVE_MMCSD 1
|
||||
#define HAVE_I2CTOOL 1
|
||||
#define HAVE_FT5x06 1
|
||||
#define HAVE_MMCSD 1
|
||||
#define HAVE_RTC_DRIVER 1
|
||||
|
||||
/* Do we need to register I2C drivers on behalf of the I2C tool? */
|
||||
|
||||
@@ -118,6 +119,12 @@
|
||||
# undef HAVE_MMCSD
|
||||
#endif
|
||||
|
||||
/* Check if we can support the RTC driver */
|
||||
|
||||
#if !defined(CONFIG_RTC) || !defined(CONFIG_RTC_DRIVER)
|
||||
# undef HAVE_RTC_DRIVER
|
||||
#endif
|
||||
|
||||
/* Indices into a sparse I2C array. Used with lpc54_i2c_handle() */
|
||||
|
||||
#ifdef CONFIG_LPC54_I2C0_MASTER
|
||||
|
||||
Reference in New Issue
Block a user