mirror of
https://github.com/apache/nuttx.git
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Merged in antmerlino/nuttx/photon-rgb (pull request #637)
configs/photon: Adds RGB led support Approved-by: Gregory Nutt <gnutt@nuttx.org>
This commit is contained in:
Anthony Merlino
committed by
Gregory Nutt
Gregory Nutt
parent
b1275abd4b
commit
cabb529c48
@@ -204,6 +204,26 @@
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* 2Hz, then a fatal error has been detected and the system has halted.
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* 2Hz, then a fatal error has been detected and the system has halted.
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*/
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*/
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/* TIM */
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#define GPIO_TIM2_CH2OUT GPIO_TIM2_CH2OUT_1
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#define GPIO_TIM2_CH3OUT GPIO_TIM2_CH3OUT_1
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#define GPIO_TIM2_CH4OUT GPIO_TIM2_CH4OUT_1
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/* RGB LED
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*
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* R = TIM2 CH2 on PA1 | G = TIM2 CH3 on PA2 | B = TIM4 CH4 on PA3
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*
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* Note: Pin configs: GPIO_TIM2_CH2OUT ; GPIO_TIM2_CH3OUT ; GPIO_TIM2_CH4OUT
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*/
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#define RGBLED_RPWMTIMER 2
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#define RGBLED_RPWMCHANNEL 2
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#define RGBLED_GPWMTIMER 2
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#define RGBLED_GPWMCHANNEL 3
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#define RGBLED_BPWMTIMER 2
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#define RGBLED_BPWMCHANNEL 4
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/* Button definitions ***************************************************************/
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/* Button definitions ***************************************************************/
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#define BOARD_BUTTON1 0
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#define BOARD_BUTTON1 0
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@@ -0,0 +1,69 @@
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CONFIG_ARCH="arm"
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CONFIG_ARCH_BOARD="photon"
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CONFIG_ARCH_BOARD_PHOTON=y
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CONFIG_ARCH_CHIP_STM32F205RG=y
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CONFIG_ARCH_CHIP_STM32=y
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CONFIG_ARCH_STACKDUMP=y
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CONFIG_BOARDCTL_USBDEVCTRL=y
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CONFIG_BOARD_LOOPSPERMSEC=16717
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CONFIG_BUILTIN=y
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CONFIG_CDCACM_CONSOLE=y
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CONFIG_CDCACM=y
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# CONFIG_DEV_CONSOLE is not set
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CONFIG_DISABLE_POLL=y
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CONFIG_EXAMPLES_NSH=y
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CONFIG_EXAMPLES_RGBLED=y
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CONFIG_FS_PROCFS=y
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CONFIG_HAVE_CXXINITIALIZE=y
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CONFIG_HAVE_CXX=y
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CONFIG_INTELHEX_BINARY=y
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CONFIG_MAX_TASKS=16
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CONFIG_MAX_WDOGPARMS=2
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CONFIG_MM_REGIONS=2
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CONFIG_NFILE_DESCRIPTORS=8
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CONFIG_NFILE_STREAMS=8
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CONFIG_NSH_ARCHINIT=y
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# CONFIG_NSH_ARGCAT is not set
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CONFIG_NSH_BUILTIN_APPS=y
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# CONFIG_NSH_CMDOPT_HEXDUMP is not set
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# CONFIG_NSH_CMDPARMS is not set
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CONFIG_NSH_FILEIOSIZE=512
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CONFIG_NSH_LINELEN=64
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CONFIG_NSH_READLINE=y
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CONFIG_PHOTON_DFU_BOOTLOADER=y
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CONFIG_PHOTON_IWDG=y
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CONFIG_PHOTON_WDG_THREAD=y
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CONFIG_PREALLOC_MQ_MSGS=4
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CONFIG_PREALLOC_TIMERS=4
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CONFIG_PREALLOC_WDOGS=16
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CONFIG_PWM_MULTICHAN=y
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CONFIG_PWM_NCHANNELS=4
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CONFIG_PWM=y
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CONFIG_RAMLOG_BUFSIZE=8192
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CONFIG_RAMLOG_SYSLOG=y
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CONFIG_RAMLOG=y
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CONFIG_RAM_SIZE=114688
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CONFIG_RAM_START=0x20000000
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CONFIG_RAW_BINARY=y
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CONFIG_RGBLED=y
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CONFIG_RR_INTERVAL=200
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CONFIG_SCHED_WAITPID=y
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CONFIG_SDCLONE_DISABLE=y
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CONFIG_START_DAY=6
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CONFIG_START_MONTH=12
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CONFIG_START_YEAR=2011
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CONFIG_STM32_IWDG=y
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CONFIG_STM32_JTAG_SW_ENABLE=y
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CONFIG_STM32_OTGHS=y
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CONFIG_STM32_PWM_MULTICHAN=y
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CONFIG_STM32_TIM2_CH2OUT=y
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CONFIG_STM32_TIM2_CH3OUT=y
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CONFIG_STM32_TIM2_CH4OUT=y
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CONFIG_STM32_TIM2_CHANNEL2=y
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CONFIG_STM32_TIM2_CHANNEL3=y
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CONFIG_STM32_TIM2_CHANNEL4=y
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CONFIG_STM32_TIM2_PWM=y
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CONFIG_STM32_TIM2=y
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CONFIG_STM32_USART1=y
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CONFIG_USBDEV=y
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CONFIG_USER_ENTRYPOINT="nsh_main"
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@@ -68,4 +68,8 @@ ifeq ($(CONFIG_STM32_OTGHS),y)
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CSRCS += stm32_usb.c
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CSRCS += stm32_usb.c
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endif
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endif
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ifeq ($(CONFIG_RGBLED),y)
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CSRCS += stm32_rgbled.c
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endif
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include $(TOPDIR)/configs/Board.mk
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include $(TOPDIR)/configs/Board.mk
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@@ -132,6 +132,26 @@ void weak_function stm32_spidev_initialize(void);
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int photon_watchdog_initialize(void);
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int photon_watchdog_initialize(void);
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#endif
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#endif
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/****************************************************************************
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* Name: stm32_rgbled_setup
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*
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* Description:
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* This function is called by board initialization logic to configure the
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* RGB LED driver. This function will register the driver as /dev/rgbled0.
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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 is returned on success. Otherwise, a negated errno value is
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* returned to indicate the nature of the failure.
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*
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****************************************************************************/
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#ifdef CONFIG_RGBLED
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int stm32_rgbled_setup(void);
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#endif
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/****************************************************************************
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/****************************************************************************
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* Name: photon_wlan_initialize
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* Name: photon_wlan_initialize
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*
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*
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@@ -132,6 +132,16 @@ int stm32_bringup(void)
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}
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}
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#endif
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#endif
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#ifdef CONFIG_RGBLED
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/* Configure and initialize the RGB LED. */
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ret = stm32_rgbled_setup();
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: stm32_rgbled_setup() failed: %d\n", ret);
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}
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#endif
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#ifdef CONFIG_PHOTON_WLAN
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#ifdef CONFIG_PHOTON_WLAN
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/* Initialize wlan driver and hardware */
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/* Initialize wlan driver and hardware */
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@@ -0,0 +1,251 @@
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/************************************************************************************
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* configs/photon/src/stm32_rgbled.c
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*
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* Copyright (C) 2018 Verge Inc. All rights reserved.
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* Author: Anthony Merlino <anthony@vergeaero.com>
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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 <errno.h>
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#include <debug.h>
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#include <nuttx/drivers/pwm.h>
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#include <nuttx/leds/rgbled.h>
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#include <arch/board/board.h>
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#include "chip.h"
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#include "up_arch.h"
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#include "stm32_pwm.h"
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#include "photon.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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#define HAVE_RGBLED 1
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#ifndef CONFIG_PWM
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# undef HAVE_RGBLED
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#endif
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#ifndef CONFIG_STM32_TIM2
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# undef HAVE_RGBLED
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#endif
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#ifndef CONFIG_PWM_MULTICHAN
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# undef HAVE_RGBLED
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#endif
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#ifndef CONFIG_STM32_TIM2_PWM
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# undef HAVE_RGBLED
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#endif
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#ifndef CONFIG_STM32_TIM2_CHANNEL2
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# undef HAVE_PWM
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#endif
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#ifndef CONFIG_STM32_TIM2_CHANNEL3
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# undef HAVE_PWM
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#endif
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#ifndef CONFIG_STM32_TIM2_CHANNEL4
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# undef HAVE_PWM
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#endif
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#ifdef HAVE_RGBLED
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_rgbled_setup
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*
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* Description:
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* Initial for support of a connected RGB LED using PWM.
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*
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************************************************************************************/
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int stm32_rgbled_setup(void)
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{
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static bool initialized = false;
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struct pwm_lowerhalf_s *ledr;
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struct pwm_lowerhalf_s *ledg;
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struct pwm_lowerhalf_s *ledb;
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struct pwm_info_s info;
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int i;
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int ret;
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/* Have we already initialized? */
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if (!initialized)
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{
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/* Call stm32_pwminitialize() to get an instance of the PWM interface */
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ledr = stm32_pwminitialize(RGBLED_RPWMTIMER);
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if (!ledr)
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{
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lederr("ERROR: Failed to get the STM32 PWM lower half to LEDR\n");
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return -ENODEV;
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}
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ledr->ops->setup(ledr);
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/* Call stm32_pwminitialize() to get an instance of the PWM interface */
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ledg = stm32_pwminitialize(RGBLED_GPWMTIMER);
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if (!ledg)
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{
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lederr("ERROR: Failed to get the STM32 PWM lower half to LEDG\n");
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return -ENODEV;
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}
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ledg->ops->setup(ledg);
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/* Call stm32_pwminitialize() to get an instance of the PWM interface */
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ledb = stm32_pwminitialize(RGBLED_BPWMTIMER);
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if (!ledb)
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{
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lederr("ERROR: Failed to get the STM32 PWM lower half to LEDB\n");
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return -ENODEV;
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}
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ledb->ops->setup(ledb);
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/* Define frequency and duty cycle */
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info.frequency = 100;
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#ifdef CONFIG_PWM_MULTICHAN
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/* Setup the duty cycle and channel for red */
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i = 0;
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info.channels[i].duty = 0;
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info.channels[i++].channel = RGBLED_RPWMCHANNEL;
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/* If red and green use same timer, setup together */
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if (RGBLED_RPWMTIMER == RGBLED_GPWMTIMER)
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{
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info.channels[i++].channel = RGBLED_GPWMCHANNEL;
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}
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/* If red and blue use same timer, setup together */
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if (RGBLED_RPWMTIMER == RGBLED_BPWMTIMER)
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{
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info.channels[i++].channel = RGBLED_BPWMCHANNEL;
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}
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/* Start the timer used for red, and any other colors that are
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* sourced on a different channel of the same timer */
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ledr->ops->start(ledr, &info);
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||||||
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/* Clear the channels from the struct */
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for (i = 0; i < CONFIG_PWM_NCHANNELS; i++)
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{
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info.channels[i].channel = 0;
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}
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||||||
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||||||
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/* If the green timer is not the same as the red timer, then set it up. */
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if (RGBLED_GPWMTIMER != RGBLED_RPWMTIMER)
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||||||
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{
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i = 0;
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||||||
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info.channels[i++].channel = RGBLED_GPWMCHANNEL;
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||||||
|
|
||||||
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/* If the blue timer uses the same timer and the green */
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||||||
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if (RGBLED_GPWMTIMER == RGBLED_BPWMTIMER)
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{
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info.channels[i++].channel = RGBLED_BPWMCHANNEL;
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}
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/* Start green timer (and maybe blue) */
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||||||
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ledg->ops->start(ledg, &info);
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||||||
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||||||
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/* Clear the channels from the struct */
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||||||
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for (i = 0; i < CONFIG_PWM_NCHANNELS; i++)
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{
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info.channels[i].channel = 0;
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||||||
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}
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||||||
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}
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||||||
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|
||||||
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/* If the blue timer is different than the red and the green, it must be setup seperately */
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if (RGBLED_BPWMTIMER != RGBLED_RPWMTIMER && RGBLED_BPWMTIMER != RGBLED_GPWMTIMER)
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||||||
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{
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info.channels[0].channel = RGBLED_BPWMCHANNEL;
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ledb->ops->start(ledb, &info);
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}
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#else
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info.duty = 0;
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||||||
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ledr->ops->start(ledr, &info);
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ledg->ops->start(ledg, &info);
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ledb->ops->start(ledb, &info);
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||||||
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#endif
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||||||
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||||||
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/* Register the RGB LED diver at "/dev/rgbled0" */
|
||||||
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|
||||||
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#ifdef CONFIG_PWM_MULTICHAN
|
||||||
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ret = rgbled_register("/dev/rgbled0", ledr, ledg, ledb, RGBLED_RPWMCHANNEL, RGBLED_GPWMCHANNEL, RGBLED_BPWMCHANNEL);
|
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#else
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ret = rgbled_register("/dev/rgbled0", ledr, ledg, ledb);
|
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#endif
|
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if (ret < 0)
|
||||||
|
{
|
||||||
|
lederr("ERROR: rgbled_register failed: %d\n", ret);
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Now we are initialized */
|
||||||
|
|
||||||
|
initialized = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
#else
|
||||||
|
# error "HAVE_RGBLED is undefined"
|
||||||
|
#endif /* HAVE_RGBLED */
|
||||||
Reference in New Issue
Block a user