thingy53: add rgbled support

boards/arm/nrf53/thingy53/configs/rgbled_cpuapp/defconfig

@@ -0,0 +1,70 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed .config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that includes your
+# modifications.
+#
+# CONFIG_DEV_CONSOLE is not set
+# CONFIG_SYSLOG_DEFAULT is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="thingy53"
+CONFIG_ARCH_BOARD_COMMON=y
+CONFIG_ARCH_BOARD_THINGY53=y
+CONFIG_ARCH_CHIP="nrf53"
+CONFIG_ARCH_CHIP_NRF5340=y
+CONFIG_ARCH_CHIP_NRF5340_CPUAPP=y
+CONFIG_ARCH_CHIP_NRF53=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_STDARG_H=y
+CONFIG_BOARD_LOOPSPERMSEC=5500
+CONFIG_BUILTIN=y
+CONFIG_CDCACM=y
+CONFIG_CDCACM_CONSOLE=y
+CONFIG_CDCACM_RXBUFSIZE=256
+CONFIG_CDCACM_TXBUFSIZE=256
+CONFIG_DEBUG_ASSERTIONS=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_FULLOPT=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_EXAMPLES_RGBLED=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FS_PROCFS=y
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_MM_REGIONS=2
+CONFIG_NDEBUG=y
+CONFIG_NRF53_HFCLK_XTAL=y
+CONFIG_NRF53_I2C2_MASTER=y
+CONFIG_NRF53_PWM0=y
+CONFIG_NRF53_PWM0_CH0=y
+CONFIG_NRF53_PWM0_CH1=y
+CONFIG_NRF53_PWM0_CH2=y
+CONFIG_NRF53_PWM1=y
+CONFIG_NRF53_PWM2=y
+CONFIG_NRF53_PWM_MULTICHAN=y
+CONFIG_NRF53_SPI1_MASTER=y
+CONFIG_NRF53_USBDEV=y
+CONFIG_NRF53_USE_HFCLK192M=y
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_NSH_USBCONSOLE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_PWM=y
+CONFIG_PWM_MULTICHAN=y
+CONFIG_PWM_NCHANNELS=3
+CONFIG_RAMLOG=y
+CONFIG_RAM_SIZE=524288
+CONFIG_RAM_START=0x20000000
+CONFIG_RAW_BINARY=y
+CONFIG_RGBLED=y
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_WAITPID=y
+CONFIG_SPI=y
+CONFIG_START_DAY=26
+CONFIG_START_MONTH=3
+CONFIG_SYMTAB_ORDEREDBYNAME=y
+CONFIG_SYSTEM_NSH=y

boards/arm/nrf53/thingy53/include/board.h

@@ -127,4 +127,22 @@
 #define NRF52_QSPI0_IO0_PIN (GPIO_OUTPUT | GPIO_PORT0 | GPIO_PIN(13))
 #define NRF52_QSPI0_IO1_PIN (GPIO_OUTPUT | GPIO_PORT0 | GPIO_PIN(14))
 
+/* PWM Pins *****************************************************************/
+
+/* RGB LEDs:
+ *   RED   - P1.08
+ *   GREEN - P1.06
+ *   BLUE  - P1.07
+ */
+
+#ifdef CONFIG_PWM_MULTICHAN
+#  define NRF53_PWM0_CH0_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(8))
+#  define NRF53_PWM0_CH1_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(6))
+#  define NRF53_PWM0_CH2_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(7))
+#else
+#  define NRF53_PWM0_CH0_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(8))
+#  define NRF53_PWM1_CH0_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(6))
+#  define NRF53_PWM2_CH0_PIN (GPIO_OUTPUT | GPIO_VALUE_ONE | GPIO_PORT1 | GPIO_PIN(7))
+#endif
+
 #endif /* __BOARDS_ARM_NRF53_THINGY53_INCLUDE_BOARD_H */

boards/arm/nrf53/thingy53/src/CMakeLists.txt

@@ -40,6 +40,10 @@ if(CONFIG_USBDEV_COMPOSITE)
   list(APPEND SRCS nrf53_composite.c)
 endif()
 
+if(CONFIG_RGBLED)
+  list(APPEND SRCS nrf53_rgbled.c)
+endif()
+
 target_sources(board PRIVATE ${SRCS})
 
 if(CONFIG_ARCH_BOARD_COMMON)

boards/arm/nrf53/thingy53/src/Make.defs

@@ -42,6 +42,10 @@ ifeq ($(CONFIG_USBDEV_COMPOSITE),y)
 CSRCS += nrf53_composite.c
 endif
 
+ifeq ($(CONFIG_RGBLED),y)
+CSRCS += nrf53_rgbled.c
+endif
+
 DEPPATH += --dep-path board
 VPATH += :board
 CFLAGS += ${INCDIR_PREFIX}$(TOPDIR)$(DELIM)arch$(DELIM)$(CONFIG_ARCH)$(DELIM)src$(DELIM)board$(DELIM)board

boards/arm/nrf53/thingy53/src/nrf53_bringup.c

@@ -248,6 +248,14 @@ int nrf53_bringup(void)
     }
 #endif
 
+#ifdef CONFIG_RGBLED
+  ret = nrf53_rgbled_initialize();
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: nrf53_rgbled_init failed: %d\n", ret);
+    }
+#endif
+
   UNUSED(ret);
   return OK;
 }

boards/arm/nrf53/thingy53/src/nrf53_rgbled.c

@@ -0,0 +1,164 @@
+/****************************************************************************
+ * boards/arm/nrf53/thingy53/src/nrf53_rgbled.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/timers/pwm.h>
+#include <nuttx/leds/rgbled.h>
+#include <arch/board/board.h>
+
+#include "nrf53_pwm.h"
+#include "thingy53.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifdef CONFIG_PWM_MULTICHAN
+
+/* PWM0 channels 0, 1 and 2 used */
+
+#  if !defined(CONFIG_NRF53_PWM0_CH0) || !defined(CONFIG_NRF53_PWM0_CH1) || \
+      !defined(CONFIG_NRF53_PWM0_CH2)
+#    error Invalid configuration for RGBLED driver
+#  endif
+
+#else
+
+/* PWM0 channel 0, PWM1 channel 0 and PWM2 channel 0 used */
+
+#  if !defined(CONFIG_NRF53_PWM0_CH0) || !defined(CONFIG_NRF53_PWM1_CH0) || \
+      !defined(CONFIG_NRF53_PWM2_CH0)
+#    error Invalid configuration for RGBLED driver
+#  endif
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: nrf53_rgbled_initialize
+ *
+ * Description:
+ *   Configure the RGB LED.
+ *
+ ****************************************************************************/
+
+int nrf53_rgbled_initialize(void)
+{
+  static bool             initialized = false;
+  struct pwm_lowerhalf_s *ledr        = NULL;
+  struct pwm_lowerhalf_s *ledg        = NULL;
+  struct pwm_lowerhalf_s *ledb        = NULL;
+  struct pwm_info_s       info;
+  int                     ret;
+
+  /* Have we already initialized? */
+
+  if (!initialized)
+    {
+      /* Call nrf53_pwminitialize() to get an instance of the PWM interface */
+
+      ledr = nrf53_pwminitialize(0);
+      if (!ledr)
+        {
+          lederr("ERROR: Failed to get the NRF53 PWM lower half to LEDR\n");
+          return -ENODEV;
+        }
+
+      /* Define frequency and duty cycle */
+
+#ifndef CONFIG_PWM_MULTICHAN
+      info.frequency = 100;
+      info.duty = 0;
+#else
+      ledg = ledr;
+      ledb = ledr;
+
+      info.frequency = 100;
+      info.channels[0].duty = 0;
+      info.channels[1].duty = 0;
+      info.channels[2].duty = 0;
+#endif
+
+      /* Initialize LED R */
+
+      ledr->ops->setup(ledr);
+      ledr->ops->start(ledr, &info);
+
+#ifndef CONFIG_PWM_MULTICHAN
+      /* Call nrf53_pwminitialize() to get an instance of the PWM interface */
+
+      ledg = nrf53_pwminitialize(1);
+      if (!ledg)
+        {
+          lederr("ERROR: Failed to get the NRF53 PWM lower half to LEDG\n");
+          return -ENODEV;
+        }
+
+      /* Initialize LED G */
+
+      ledg->ops->setup(ledg);
+      ledg->ops->start(ledg, &info);
+
+      /* Call nrf53_pwminitialize() to get an instance of the PWM interface */
+
+      ledb = nrf53_pwminitialize(2);
+      if (!ledb)
+        {
+          lederr("ERROR: Failed to get the NRF53 PWM lower half to LEDB\n");
+          return -ENODEV;
+        }
+
+      /* Initialize LED B */
+
+      ledb->ops->setup(ledb);
+      ledb->ops->start(ledb, &info);
+#endif
+
+      /* Register the RGB LED diver at "/dev/rgbled0" */
+
+#ifdef CONFIG_PWM_MULTICHAN
+      ret = rgbled_register("/dev/rgbled0", ledr, ledg, ledb, 1, 2, 3);
+#else
+      ret = rgbled_register("/dev/rgbled0", ledr, ledg, ledb);
+#endif
+      if (ret < 0)
+        {
+          lederr("ERROR: rgbled_register failed: %d\n", ret);
+          return ret;
+        }
+
+      /* Now we are initialized */
+
+      initialized = true;
+    }
+
+  return OK;
+}

boards/arm/nrf53/thingy53/src/thingy53.h

@@ -153,5 +153,15 @@
 
 int nrf53_bringup(void);
 
+/****************************************************************************
+ * Name: nrf53_rgbled_initialize
+ *
+ * Description:
+ *   Configure the RGB LED.
+ *
+ ****************************************************************************/
+
+int nrf53_rgbled_initialize(void);
+
 #endif /* __ASSEMBLY__ */
 #endif /* __BOARDS_ARM_NRF53_THINGY53_SRC_THINGY53_H */