feat(esp32s3-eye): SPI

boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_board_spi.c

@@ -0,0 +1,126 @@
+/****************************************************************************
+ * boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_board_spi.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 <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/spi/spi.h>
+
+#include "esp32s3_gpio.h"
+#include "esp32s3-eye.h"
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: esp32s3_spi2_status
+ ****************************************************************************/
+
+#ifdef CONFIG_ESP32S3_SPI2
+
+uint8_t esp32s3_spi2_status(struct spi_dev_s *dev, uint32_t devid)
+{
+  uint8_t status = 0;
+
+  return status;
+}
+
+#endif
+
+/****************************************************************************
+ * Name: esp32s3_spi2_cmddata
+ ****************************************************************************/
+
+#if defined(CONFIG_ESP32S3_SPI2) && defined(CONFIG_SPI_CMDDATA)
+
+int esp32s3_spi2_cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd)
+{
+  if (devid == SPIDEV_DISPLAY(0))
+    {
+      /*  This is the Data/Command control pad which determines whether the
+       *  data bits are data or a command.
+       */
+
+      esp32s3_gpiowrite(DISPLAY_DC, !cmd);
+
+      return OK;
+    }
+
+  spiinfo("devid: %" PRIu32 " CMD: %s\n", devid, cmd ? "command" :
+          "data");
+
+  return -ENODEV;
+}
+
+#endif
+
+/****************************************************************************
+ * Name: esp32s3_spi3_status
+ ****************************************************************************/
+
+#ifdef CONFIG_ESP32S3_SPI3
+
+uint8_t esp32s3_spi3_status(struct spi_dev_s *dev, uint32_t devid)
+{
+  uint8_t status = 0;
+
+  return status;
+}
+
+#endif
+
+/****************************************************************************
+ * Name: esp32s3_spi3_cmddata
+ ****************************************************************************/
+
+#if defined(CONFIG_ESP32S3_SPI3) && defined(CONFIG_SPI_CMDDATA)
+
+int esp32s3_spi3_cmddata(struct spi_dev_s *dev, uint32_t devid, bool cmd)
+{
+  if (devid == SPIDEV_DISPLAY(0))
+    {
+      /*  This is the Data/Command control pad which determines whether the
+       *  data bits are data or a command.
+       */
+
+      esp32s3_gpiowrite(CONFIG_ESP32S3_SPI3_MISOPIN, !cmd);
+
+      return OK;
+    }
+
+  spiinfo("devid: %" PRIu32 " CMD: %s\n", devid, cmd ? "command" :
+          "data");
+
+  return -ENODEV;
+}
+
+#endif

boards/xtensa/esp32s3/esp32s3-eye/src/esp32s3_bringup.c

@@ -58,6 +58,10 @@
 #  include <nuttx/input/buttons.h>
 #endif
 
+#ifdef CONFIG_ESP32S3_SPI
+#  include "esp32s3_spi.h"
+#endif
+
 #include "esp32s3-eye.h"
 
 /****************************************************************************