drivers/ili9341: provide adaption to disp_dev interface

drivers/ili9341/ili9341_disp_dev.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2020 Inria
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     drivers_ili9341
+ * @{
+ *
+ * @file
+ * @brief       Driver adaption to disp_dev generic interface
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ * @}
+ */
+
+#include <assert.h>
+#include <stdint.h>
+
+#include "ili9341.h"
+#include "ili9341_disp_dev.h"
+
+#ifndef ILI9341_DISP_DEV_HEIGHT
+#define ILI9341_DISP_DEV_HEIGHT     (240U)
+#endif
+
+#ifndef ILI9341_DISP_COLOR_DEPTH
+#define ILI9341_DISP_COLOR_DEPTH    (16U)
+#endif
+
+static void _ili9341_map(disp_dev_t *dev, uint16_t x1, uint16_t x2,
+                  uint16_t y1, uint16_t y2, const uint16_t *color)
+{
+    ili9341_t *ili9341 = (ili9341_t *)dev;
+    ili9341_pixmap(ili9341, x1, x2, y1, y2, color);
+}
+
+static uint16_t _ili9341_height(disp_dev_t *disp_dev)
+{
+    (void)disp_dev;
+    return ILI9341_DISP_DEV_HEIGHT;
+}
+
+static uint16_t _ili9341_width(disp_dev_t *disp_dev)
+{
+    const ili9341_t *dev = (ili9341_t *)disp_dev;
+    assert(dev);
+
+    return dev->params->lines;
+}
+
+static uint8_t _ili9341_color_depth(disp_dev_t *disp_dev)
+{
+    (void)disp_dev;
+    return ILI9341_DISP_COLOR_DEPTH;
+}
+
+static void _ili9341_set_invert(disp_dev_t *disp_dev, bool invert)
+{
+    const ili9341_t *dev = (ili9341_t *)disp_dev;
+
+    assert(dev);
+
+    if (invert) {
+        ili9341_invert_on(dev);
+    }
+    else {
+        ili9341_invert_off(dev);
+    }
+}
+
+const disp_dev_driver_t ili9341_disp_dev_driver = {
+    .map            = _ili9341_map,
+    .height         = _ili9341_height,
+    .width          = _ili9341_width,
+    .color_depth    = _ili9341_color_depth,
+    .set_invert     = _ili9341_set_invert,
+};

drivers/ili9341/include/ili9341_disp_dev.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2019 Inria
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     drivers_ili9341
+ * @{
+ *
+ * @file
+ * @brief       Definition of the driver for the disp_dev generic interface
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef ILI9341_DISP_DEV_H
+#define ILI9341_DISP_DEV_H
+
+#include "disp_dev.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   Reference to the display device driver struct
+ */
+extern const disp_dev_driver_t ili9341_disp_dev_driver;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ILI9341_DISP_DEV_H */

drivers/include/ili9341.h

@@ -36,6 +36,10 @@
 #include "periph/spi.h"
 #include "periph/gpio.h"
 
+#ifdef MODULE_DISP_DEV
+#include "disp_dev.h"
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -98,6 +102,9 @@ typedef struct {
  * @brief   Device descriptor for a ili9341
  */
 typedef struct {
+#ifdef MODULE_DISP_DEV
+    disp_dev_t *dev;                    /**< Pointer to the generic display device */
+#endif
     const ili9341_params_t *params;     /**< Device initialization parameters */
 } ili9341_t;