esp32: Add support to gesture and APA102 as LCD

boards/xtensa/esp32/common/include/esp32_board_apds9960.h

@@ -0,0 +1,74 @@
+/****************************************************************************
+ * boards/xtensa/esp32/common/include/esp32_board_apds9960.h
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#ifndef __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_APDS9960_H
+#define __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_APDS9960_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#ifndef __ASSEMBLY__
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C"
+{
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_apds9960_initialize
+ *
+ * Description:
+ *   Initialize and register the APDS9960 gesture sensor.
+ *
+ * Input Parameters:
+ *   devno - The device number, used to build the device path as /dev/gestN
+ *   busno - The I2C bus number
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_SENSORS_APDS9960
+int board_apds9960_initialize(int devno, int busno);
+#endif
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif /* __BOARDS_XTENSA_ESP32_COMMON_INCLUDE_ESP32_BOARD_APDS9960_H */

boards/xtensa/esp32/common/src/Make.defs

@@ -72,6 +72,10 @@ ifeq ($(CONFIG_ESP32_WIFI),y)
   CSRCS += esp32_board_wlan.c
 endif
 
+ifeq ($(CONFIG_SENSORS_APDS9960),y)
+  CSRCS += esp32_board_apds9960.c
+endif
+
 ifeq ($(CONFIG_SENSORS_BMP180),y)
   CSRCS += esp32_bmp180.c
 endif
@@ -116,6 +120,10 @@ ifeq ($(CONFIG_LCD_ST7789),y)
   CSRCS += esp32_st7789.c
 endif
 
+ifeq ($(CONFIG_LCD_APA102),y)
+  CSRCS += esp32_board_apa102_lcd.c
+endif
+
 ifeq ($(CONFIG_LCD_SSD1306_I2C),y)
   CSRCS += esp32_ssd1306.c
 endif

boards/xtensa/esp32/common/src/esp32_board_apa102_lcd.c

@@ -0,0 +1,108 @@
+/****************************************************************************
+ * boards/xtensa/esp32/common/src/esp32_board_apa102_lcd.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 <stdio.h>
+#include <stdbool.h>
+#include <debug.h>
+#include <errno.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/board.h>
+#include <nuttx/spi/spi.h>
+#include <nuttx/lcd/lcd.h>
+#include <nuttx/lcd/apa102.h>
+
+#include "esp32_gpio.h"
+#include "esp32_spi.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define LCD_SPI_PORTNO        2   /* On SPI2 */
+
+#ifndef CONFIG_LCD_CONTRAST
+#  define CONFIG_LCD_CONTRAST 60
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static struct spi_dev_s *g_spidev;
+static struct lcd_dev_s *g_lcddev;
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_lcd_initialize
+ ****************************************************************************/
+
+int board_lcd_initialize(void)
+{
+  g_spidev = esp32_spibus_initialize(LCD_SPI_PORTNO);
+
+  if (!g_spidev)
+    {
+      lcderr("ERROR: Failed to initialize SPI port %d\n", LCD_SPI_PORTNO);
+      return -ENODEV;
+    }
+
+  return OK;
+}
+
+/****************************************************************************
+ * Name: board_lcd_getdev
+ ****************************************************************************/
+
+struct lcd_dev_s *board_lcd_getdev(int lcddev)
+{
+  g_lcddev = apa102_initialize(g_spidev, lcddev);
+  if (!g_lcddev)
+    {
+      lcderr("ERROR: Failed to bind SPI port 1 to LCD %d\n", lcddev);
+    }
+  else
+    {
+      lcdinfo("SPI port 1 bound to LCD %d\n", lcddev);
+
+      return g_lcddev;
+    }
+
+  return NULL;
+}
+
+/****************************************************************************
+ * Name: board_lcd_uninitialize
+ ****************************************************************************/
+
+void board_lcd_uninitialize(void)
+{
+  /* TO-FIX */
+}
+

boards/xtensa/esp32/common/src/esp32_board_apds9960.c

@@ -0,0 +1,185 @@
+/****************************************************************************
+ * boards/xtensa/esp32/common/src/esp32_board_apds9960.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 <errno.h>
+#include <debug.h>
+#include <stdio.h>
+
+#include <nuttx/spi/spi.h>
+#include <nuttx/sensors/apds9960.h>
+#include <arch/board/board.h>
+
+#include "esp32_i2c.h"
+#include "esp32_gpio.h"
+
+#include "esp32_board_apds9960.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Use IO21 as APDS9960 INT */
+
+#define GPIO_APDS9960_INT    21
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+struct esp32_apds9960config_s
+{
+  /* Configuration structure as seen by the APDS-9960 driver */
+
+  struct apds9960_config_s config;
+
+  /* Additional private definitions only known to this driver */
+
+  void *arg;  /* Argument to pass to the interrupt handler */
+  xcpt_t isr; /* ISR Handler */
+};
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+static int  apds9960_irq_attach(struct apds9960_config_s *state,
+                                xcpt_t isr, void *arg);
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/* A reference to a structure of this type must be passed to the APDS-9960
+ * driver.  This structure provides information about the configuration
+ * of the APDS-9960 and provides some board-specific hooks.
+ *
+ * Memory for this structure is provided by the caller.  It is not copied
+ * by the driver and is presumed to persist while the driver is active. The
+ * memory must be writable because, under certain circumstances, the driver
+ * may modify frequency or X plate resistance values.
+ */
+
+static struct esp32_apds9960config_s g_apds9960config =
+{
+  .config =
+    {
+      .irq_attach  = apds9960_irq_attach,
+    },
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/* Attach the APDS-9960 interrupt handler to the GPIO interrupt */
+
+static int apds9960_irq_attach(struct apds9960_config_s *state,
+                               xcpt_t isr, void *arg)
+{
+  irqstate_t flags;
+  int ret;
+  int irq = ESP32_PIN2IRQ(GPIO_APDS9960_INT);
+
+  sninfo("apds9960_irq_attach\n");
+
+  flags = enter_critical_section();
+
+  /* Configure the pins that will be used as interrupt input */
+
+  esp32_configgpio(GPIO_APDS9960_INT, INPUT_FUNCTION_3 | PULLUP);
+
+  /* Make sure the interrupt is disabled */
+
+  esp32_gpioirqdisable(irq);
+
+  ret = irq_attach(irq, isr, arg);
+  if (ret < 0)
+    {
+      leave_critical_section(flags);
+      syslog(LOG_ERR, "ERROR: apds9960_irq_attach() failed: %d\n", ret);
+      return ret;
+    }
+
+  /* Setup interrupt for Falling Edge */
+
+  esp32_gpioirqenable(irq, FALLING);
+
+  leave_critical_section(flags);
+
+  return OK;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_apds9960_initialize
+ *
+ * Description:
+ *   Initialize and register the APDS9960 gesture sensor.
+ *
+ * Input Parameters:
+ *   devno - The device number, used to build the device path as /dev/gestN
+ *   busno - The I2C bus number
+ *
+ * Returned Value:
+ *   Zero (OK) on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int board_apds9960_initialize(int devno, int busno)
+{
+  struct i2c_master_s *i2c;
+  char devpath[12];
+  int ret;
+
+  sninfo("Initializing APDS9960!\n");
+
+  /* Initialize I2C */
+
+  i2c = esp32_i2cbus_initialize(busno);
+  if (i2c == NULL)
+    {
+      return -ENODEV;
+    }
+
+  /* Save this i2c in the config */
+
+  g_apds9960config.config.i2c_dev  = i2c;
+  g_apds9960config.config.i2c_addr = APDS9960_I2C_ADDR;
+
+  /* Then register the gesture sensor */
+
+  snprintf(devpath, sizeof(devpath), "/dev/gest%d", devno);
+  ret = apds9960_register(devpath, &g_apds9960config.config);
+  if (ret < 0)
+    {
+      snerr("ERROR: Failed registering APDS-9960!\n");
+    }
+
+  return ret;
+}

boards/xtensa/esp32/esp32-devkitc/configs/brickmatch/defconfig

@@ -0,0 +1,59 @@
+#
+# 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_ARCH_LEDS is not set
+# CONFIG_NSH_ARGCAT is not set
+# CONFIG_NSH_CMDOPT_HEXDUMP is not set
+CONFIG_ARCH="xtensa"
+CONFIG_ARCH_BOARD="esp32-devkitc"
+CONFIG_ARCH_BOARD_COMMON=y
+CONFIG_ARCH_BOARD_ESP32_DEVKITC=y
+CONFIG_ARCH_CHIP="esp32"
+CONFIG_ARCH_CHIP_ESP32=y
+CONFIG_ARCH_CHIP_ESP32WROVER=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARCH_XTENSA=y
+CONFIG_BOARD_LOOPSPERMSEC=16717
+CONFIG_BUILTIN=y
+CONFIG_DRIVERS_VIDEO=y
+CONFIG_ESP32_I2C0=y
+CONFIG_ESP32_SPI2=y
+CONFIG_ESP32_UART0=y
+CONFIG_EXAMPLES_APDS9960=y
+CONFIG_EXAMPLES_FB=y
+CONFIG_FS_PROCFS=y
+CONFIG_GAMES_SHIFT=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IDLETHREAD_STACKSIZE=3072
+CONFIG_INIT_ENTRYPOINT="nsh_main"
+CONFIG_INTELHEX_BINARY=y
+CONFIG_LCD=y
+CONFIG_LCD_APA102=y
+CONFIG_LCD_FRAMEBUFFER=y
+CONFIG_LCD_NOGETRUN=y
+CONFIG_MM_REGIONS=3
+CONFIG_NSH_ARCHINIT=y
+CONFIG_NSH_BUILTIN_APPS=y
+CONFIG_NSH_FILEIOSIZE=512
+CONFIG_NSH_LINELEN=64
+CONFIG_NSH_READLINE=y
+CONFIG_PREALLOC_TIMERS=4
+CONFIG_RAM_SIZE=114688
+CONFIG_RAM_START=0x20000000
+CONFIG_RR_INTERVAL=200
+CONFIG_SCHED_LPWORK=y
+CONFIG_SCHED_WAITPID=y
+CONFIG_SENSORS=y
+CONFIG_SENSORS_APDS9960=y
+CONFIG_START_DAY=6
+CONFIG_START_MONTH=12
+CONFIG_START_YEAR=2011
+CONFIG_SYSLOG_BUFFER=y
+CONFIG_SYSTEM_NSH=y
+CONFIG_UART0_SERIAL_CONSOLE=y
+CONFIG_VIDEO_FB=y

boards/xtensa/esp32/esp32-devkitc/src/esp32_bringup.c

@@ -100,6 +100,10 @@
 #  include "esp32_tca9548a.h"
 #endif
 
+#ifdef CONFIG_SENSORS_APDS9960
+#include "esp32_board_apds9960.h"
+#endif
+
 #ifdef CONFIG_SENSORS_BMP180
 #  include "esp32_bmp180.h"
 #endif
@@ -137,6 +141,10 @@
 #  include <nuttx/lcd/lcd_dev.h>
 #endif
 
+#ifdef CONFIG_VIDEO_FB
+#  include <nuttx/video/fb.h>
+#endif
+
 #ifdef CONFIG_RTC_DRIVER
 #  include "esp32_rtc_lowerhalf.h"
 #endif
@@ -669,6 +677,27 @@ int esp32_bringup(void)
 #  endif
 #endif
 
+#ifdef CONFIG_VIDEO_FB
+  /* Initialize and register the framebuffer driver */
+
+  ret = fb_register(0, 0);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: fb_register() failed: %d\n", ret);
+    }
+#endif
+
+#ifdef CONFIG_SENSORS_APDS9960
+  /* Register the APDS-9960 gesture sensor */
+
+  ret = board_apds9960_initialize(0, 0);
+  if (ret < 0)
+    {
+      syslog(LOG_ERR, "ERROR: board_apds9960_initialize() failed: %d\n",
+             ret);
+    }
+#endif
+
   /* If we got here then perhaps not all initialization was successful, but
    * at least enough succeeded to bring-up NSH with perhaps reduced
    * capabilities.