sys: add interface for generic display device

makefiles/pseudomodules.inc.mk

@@ -12,6 +12,7 @@ PSEUDOMODULES += cortexm_fpu
 PSEUDOMODULES += cpu_check_address
 PSEUDOMODULES += devfs_%
 PSEUDOMODULES += dhcpv6_%
+PSEUDOMODULES += disp_dev
 PSEUDOMODULES += ecc_%
 PSEUDOMODULES += emb6_router
 PSEUDOMODULES += event_%

sys/include/disp_dev.h

@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup    sys_disp_dev Display device generic API
+ * @ingroup     sys
+ * @brief       Define the generic API of a display device
+ * @{
+ *
+ * @author      Alexandre Abadie <alexandre.abadie@inria.fr>
+ */
+
+#ifndef DISP_DEV_H
+#define DISP_DEV_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief   Forward declaration for display device struct
+ */
+typedef struct disp_dev disp_dev_t;
+
+/**
+ * @brief   Generic type for a display driver
+ */
+typedef struct {
+    /**
+     * @brief   Map an area to display on the device
+     *
+     * @param[in] dev   Pointer to the display device
+     * @param[in] x1    Left coordinate
+     * @param[in] x2    Right coordinate
+     * @param[in] y1    Top coordinate
+     * @param[in] y2    Bottom coordinate
+     * @param[in] color Array of color to map to the display
+     */
+    void (*map)(disp_dev_t *dev,
+                uint16_t x1, uint16_t x2,
+                uint16_t y1, uint16_t y2,
+                const uint16_t *color);
+} disp_dev_driver_t;
+
+/**
+ * @brief   Generic type for a display device
+ */
+struct disp_dev {
+    const disp_dev_driver_t *driver;    /**< Pointer to driver of the display device */
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* DISP_DEV_H */
+/** @} */