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include/liblvgl/draw/nxp/pxp/lv_gpu_nxp_pxp.h

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+/**
+ * @file lv_gpu_nxp_pxp.h
+ *
+ */
+
+/**
+ * MIT License
+ *
+ * Copyright 2020-2022 NXP
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next paragraph)
+ * shall be included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef LV_GPU_NXP_PXP_H
+#define LV_GPU_NXP_PXP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*********************
+ *      INCLUDES
+ *********************/
+
+#include "liblvgl/lv_conf_internal.h"
+
+#if LV_USE_GPU_NXP_PXP
+#include "fsl_cache.h"
+#include "fsl_pxp.h"
+
+#include "../../../misc/lv_log.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/** PXP module instance to use*/
+#define LV_GPU_NXP_PXP_ID PXP
+
+/** PXP interrupt line ID*/
+#define LV_GPU_NXP_PXP_IRQ_ID PXP_IRQn
+
+#ifndef LV_GPU_NXP_PXP_LOG_ERRORS
+/** Enable logging of PXP errors (\see LV_LOG_ERROR)*/
+#define LV_GPU_NXP_PXP_LOG_ERRORS 1
+#endif
+
+#ifndef LV_GPU_NXP_PXP_LOG_TRACES
+/** Enable logging of PXP errors (\see LV_LOG_ERROR)*/
+#define LV_GPU_NXP_PXP_LOG_TRACES 0
+#endif
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**
+ * NXP PXP device configuration - call-backs used for
+ * interrupt init/wait/deinit.
+ */
+typedef struct {
+    /** Callback for PXP interrupt initialization*/
+    lv_res_t (*pxp_interrupt_init)(void);
+
+    /** Callback for PXP interrupt de-initialization*/
+    void (*pxp_interrupt_deinit)(void);
+
+    /** Callback that should start PXP and wait for operation complete*/
+    void (*pxp_run)(void);
+} lv_nxp_pxp_cfg_t;
+
+/**********************
+ * GLOBAL PROTOTYPES
+ **********************/
+
+/**
+ * Reset and initialize PXP device. This function should be called as a part
+ * of display init sequence.
+ *
+ * @retval LV_RES_OK PXP init completed
+ * @retval LV_RES_INV Error occurred (\see LV_GPU_NXP_PXP_LOG_ERRORS)
+ */
+lv_res_t lv_gpu_nxp_pxp_init(void);
+
+/**
+ * Disable PXP device. Should be called during display deinit sequence.
+ */
+void lv_gpu_nxp_pxp_deinit(void);
+
+/**
+ * Start PXP job and wait for completion.
+ */
+void lv_gpu_nxp_pxp_run(void);
+
+/**********************
+ *      MACROS
+ **********************/
+
+#define PXP_COND_STOP(cond, txt)              \
+    do {                                      \
+        if (cond) {                           \
+            LV_LOG_ERROR("%s. STOP!", txt);   \
+            for ( ; ; );                      \
+        }                                     \
+    } while(0)
+
+#if LV_GPU_NXP_PXP_LOG_ERRORS
+#define PXP_RETURN_INV(fmt, ...)              \
+    do {                                      \
+        LV_LOG_ERROR(fmt, ##__VA_ARGS__);     \
+        return LV_RES_INV;                    \
+    } while (0)
+#else
+#define PXP_RETURN_INV(fmt, ...)              \
+    do {                                      \
+        return LV_RES_INV;                    \
+    }while(0)
+#endif /*LV_GPU_NXP_PXP_LOG_ERRORS*/
+
+#if LV_GPU_NXP_PXP_LOG_TRACES
+#define PXP_LOG_TRACE(fmt, ...)               \
+    do {                                      \
+        LV_LOG_ERROR(fmt, ##__VA_ARGS__);     \
+    } while (0)
+#else
+#define PXP_LOG_TRACE(fmt, ...)               \
+    do {                                      \
+    } while (0)
+#endif /*LV_GPU_NXP_PXP_LOG_TRACES*/
+
+#endif /*LV_USE_GPU_NXP_PXP*/
+
+#ifdef __cplusplus
+} /*extern "C"*/
+#endif
+
+#endif /*LV_GPU_NXP_PXP_H*/