esp32c3-devkit-rust-1: Add ARCH LED support

boards/Kconfig

@@ -308,6 +308,8 @@ config ARCH_BOARD_ESP32C3_DEVKIT
 config ARCH_BOARD_ESP32C3_DEVKIT_RUST1
 	bool "Espressif ESP32-C3-RUST-1 board"
 	depends on ARCH_CHIP_ESP32C3MINI1
+	select ARCH_HAVE_LEDS
+	select ARCH_HAVE_BUTTONS
 	---help---
 		The ESP32-C3-DevKit-RUST-1 features the ESP32-C3 CPU with a RISC-V core.
 		This board includes the ESP32-C3-MINI-1 module, a 6DoF IMU, a temperature

boards/risc-v/esp32c3/esp32c3-devkit-rust-1/include/board.h

@@ -25,6 +25,18 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
+#define NUM_BUTTONS       1
+
+#define LED_STARTED       0  /* ON */
+#define LED_HEAPALLOCATE  1  /* ON */
+#define LED_IRQSENABLED   2  /* N/A */
+#define LED_STACKCREATED  3  /* N/A */
+#define LED_INIRQ         4  /* N/A */
+#define LED_SIGNAL        5  /* N/A */
+#define LED_ASSERTION     6  /* N/A */
+#define LED_PANIC         7  /* Blinking */
+#define LED_CPU           8  /* N/A */
+
 /* Clocking *****************************************************************/
 
 #define BOARD_XTAL_FREQUENCY  40000000

boards/risc-v/esp32c3/esp32c3-devkit-rust-1/src/Makefile

@@ -31,7 +31,10 @@ CSRCS += esp32c3_appinit.c
 ifeq ($(CONFIG_BOARDCTL_RESET),y)
 CSRCS += esp32c3_reset.c
 endif
+endif
 
+ifeq ($(CONFIG_ARCH_LEDS),y)
+CSRCS += esp32c3_autoleds.c
 endif
 
 ifeq ($(CONFIG_BOARDCTL_IOCTL),y)

boards/risc-v/esp32c3/esp32c3-devkit-rust-1/src/esp32c3_autoleds.c

@@ -0,0 +1,120 @@
+/****************************************************************************
+ * boards/risc-v/esp32c3/esp32c3-devkit-rust-1/src/esp32c3_autoleds.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 <debug.h>
+
+#include <arch/board/board.h>
+
+#include "esp32c3_gpio.h"
+#include "hardware/esp32c3_gpio_sigmap.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* IO7 is connected to LED D2 */
+
+#define GPIO_LED   7
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+static inline void set_led(bool v)
+{
+  ledinfo("Turn LED %s\n", v ? "on":"off");
+  esp32c3_gpiowrite(GPIO_LED, v);
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_autoled_initialize
+ ****************************************************************************/
+
+void board_autoled_initialize(void)
+{
+  /* Configure the LED's pin to be used as output */
+
+  esp32c3_gpio_matrix_out(GPIO_LED, SIG_GPIO_OUT_IDX, 0, 0);
+  esp32c3_configgpio(GPIO_LED, OUTPUT_FUNCTION_1 | INPUT_FUNCTION_1);
+}
+
+/****************************************************************************
+ * Name: board_autoled_on
+ ****************************************************************************/
+
+void board_autoled_on(int led)
+{
+  ledinfo("board_autoled_on(%d)\n", led);
+
+  switch (led)
+    {
+      case LED_STARTED:
+      case LED_HEAPALLOCATE:
+
+        /* As the board provides only one soft controllable LED, we simply
+         * turn it on when the board boots.
+         */
+
+        set_led(true);
+        break;
+
+      case LED_PANIC:
+
+        /* For panic state, the LED is blinking */
+
+        set_led(true);
+        break;
+
+      default:
+        ledinfo("Not handled LED state: %d\n", led);
+        break;
+    }
+}
+
+/****************************************************************************
+ * Name: board_autoled_off
+ ****************************************************************************/
+
+void board_autoled_off(int led)
+{
+  switch (led)
+    {
+      case LED_PANIC:
+
+        /* For panic state, the LED is blinking */
+
+        set_led(false);
+        break;
+
+      default:
+        ledinfo("Not handled LED state: %d\n", led);
+        break;
+    }
+}

boards/risc-v/esp32c3/esp32c3-devkit-rust-1/src/esp32c3_boot.c

@@ -23,6 +23,7 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
+#include <nuttx/board.h>
 
 #include "riscv_internal.h"