GR-MANGO sample using mbed-os library from my repository.

Dependencies:   mbed-http

Revision:
0:b4c1e32627f2
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_programs/sample_22_hdmi_disp_ssif.cpp	Mon Oct 12 02:25:49 2020 +0000
@@ -0,0 +1,182 @@
+/*******************************************************************************
+* DISCLAIMER
+* This software is supplied by Renesas Electronics Corporation and is only
+* intended for use with Renesas products. No other uses are authorized. This
+* software is owned by Renesas Electronics Corporation and is protected under
+* all applicable laws, including copyright laws.
+* THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING
+* THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT
+* LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE
+* AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED.
+* TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS
+* ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE
+* FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR
+* ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE
+* BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+* Renesas reserves the right, without notice, to make changes to this software
+* and to discontinue the availability of this software. By using this software,
+* you agree to the additional terms and conditions found by accessing the
+* following link:
+* http://www.renesas.com/disclaimer
+*
+* Copyright (C) 2019 Renesas Electronics Corporation. All rights reserved.
+*******************************************************************************/
+#include "sample_select.h"
+
+#if (SAMPLE_PROGRAM_NO == 22)
+// SAMPLE_PROGRAM_NO 22 : HDMI output & SSIF wav playback Sample
+//
+// Requirements
+//   RZ/A2M Evaluation Board Kit : Display Output Board
+//   SBEV-RZ/A2M                 : LVDS To HDMI Board
+//   SEMB1402                    : LVDS To HDMI Board
+
+#if defined(TARGET_SEMB1402) || defined(TARGET_RZ_A2M_SBEV)
+#error "Audio is not supported."
+#endif
+
+#include "mbed.h"
+#include "FATFileSystem.h"
+#include "SdUsbConnect.h"
+#include "EasyPlayback.h"
+#include "EasyDec_WavCnv2ch.h"
+#include "EasyAttach_CameraAndLCD.h"
+#include "dcache-control.h"
+#include "AsciiFont.h"
+
+static EasyPlayback AudioPlayer;
+
+#define FILE_NAME_LEN          (64)
+#define MOUNT_NAME             "storage"
+
+static InterruptIn skip_btn(USER_BUTTON0);
+
+static void skip_btn_fall(void) {
+    AudioPlayer.skip();
+}
+
+/*! Frame buffer stride: Frame buffer stride should be set to a multiple of 32 or 128
+    in accordance with the frame buffer burst transfer mode. */
+#define VIDEO_PIXEL_HW         (640)
+#define VIDEO_PIXEL_VW         (480)
+
+#define DATA_SIZE_PER_PIC      (1u)
+#define FRAME_BUFFER_STRIDE    (((VIDEO_PIXEL_HW * DATA_SIZE_PER_PIC) + 31u) & ~31u)
+#define FRAME_BUFFER_HEIGHT    (VIDEO_PIXEL_VW)
+
+#define DRP_FLG_CAMER_IN       (0x00000100)
+
+static DisplayBase Display;
+static uint8_t fbuf_clat8[FRAME_BUFFER_STRIDE * FRAME_BUFFER_HEIGHT]__attribute((aligned(32)));
+static uint8_t fbuf_overlay[FRAME_BUFFER_STRIDE * FRAME_BUFFER_HEIGHT]__attribute((section("NC_BSS"),aligned(32)));
+static Thread drpTask(osPriorityHigh);
+static Thread hdmiTask(osPriorityHigh);
+
+static const uint32_t clut_data_resut[] = {0x00000000, 0xff00ff00};  // ARGB8888
+
+static void IntCallbackFunc_Vfield(DisplayBase::int_type_t int_type) {
+    drpTask.flags_set(DRP_FLG_CAMER_IN);
+}
+
+static void Start_LCD_Display(void) {
+    DisplayBase::rect_t rect;
+    DisplayBase::clut_t clut_param;
+
+    rect.vs = 0;
+    rect.vw = VIDEO_PIXEL_VW;
+    rect.hs = 0;
+    rect.hw = VIDEO_PIXEL_HW;
+    Display.Graphics_Read_Setting(
+        DisplayBase::GRAPHICS_LAYER_0,
+        (void *)fbuf_clat8,
+        FRAME_BUFFER_STRIDE,
+        DisplayBase::GRAPHICS_FORMAT_CLUT8,
+        DisplayBase::WR_RD_WRSWA_32_16_8BIT,
+        &rect
+    );
+    Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_0);
+
+    memset(fbuf_overlay, 0, sizeof(fbuf_overlay));
+    clut_param.color_num = sizeof(clut_data_resut) / sizeof(uint32_t);
+    clut_param.clut = clut_data_resut;
+
+    rect.vs = 0;
+    rect.vw = VIDEO_PIXEL_VW;
+    rect.hs = 0;
+    rect.hw = VIDEO_PIXEL_HW;
+    Display.Graphics_Read_Setting(
+        DisplayBase::GRAPHICS_LAYER_2,
+        (void *)fbuf_overlay,
+        FRAME_BUFFER_STRIDE,
+        DisplayBase::GRAPHICS_FORMAT_CLUT8,
+        DisplayBase::WR_RD_WRSWA_32_16_8BIT,
+        &rect,
+        &clut_param
+    );
+    Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_2);
+
+    ThisThread::sleep_for(50);
+    EasyAttach_LcdBacklight(true);
+}
+
+static void drp_task(void) {
+    int i = 0;
+    char str[64];
+
+    AsciiFont ascii_font(fbuf_overlay, VIDEO_PIXEL_HW, VIDEO_PIXEL_VW, FRAME_BUFFER_STRIDE, DATA_SIZE_PER_PIC);
+
+    EasyAttach_Init(Display);
+    Start_LCD_Display();
+    // Interrupt callback function setting (Field end signal for recording function in scaler 0)
+    Display.Graphics_Irq_Handler_Set(DisplayBase::INT_TYPE_S0_VFIELD, 0, IntCallbackFunc_Vfield);
+
+    while (true) {
+        sprintf(str, "HDMI TEST %d", i);
+        ascii_font.DrawStr(str, 5, 5 + (AsciiFont::CHAR_PIX_HEIGHT + 1) * 0, 1, 2);
+        i++;
+        ThisThread::sleep_for(1000);
+    }
+}
+
+int main(void) {
+    DIR  * d;
+    struct dirent * p;
+    char file_path[sizeof("/" MOUNT_NAME "/") + FILE_NAME_LEN];
+    SdUsbConnect storage(MOUNT_NAME);
+
+    // Start DRP task
+    drpTask.start(callback(drp_task));
+
+    // decoder setting
+    AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".wav");
+    AudioPlayer.add_decoder<EasyDec_WavCnv2ch>(".WAV");
+
+    AudioPlayer.outputVolume(0.5);
+
+    // button setting
+    skip_btn.fall(&skip_btn_fall);
+
+    while (1) {
+        // connect wait
+        storage.wait_connect();
+
+        // file search
+        d = opendir("/" MOUNT_NAME "/");
+        if (d != NULL) {
+            while ((p = readdir(d)) != NULL) {
+                size_t len = strlen(p->d_name);
+                if (len < FILE_NAME_LEN) {
+                    // make file path
+                    sprintf(file_path, "/%s/%s", MOUNT_NAME, p->d_name);
+                    printf("%s\r\n", file_path);
+
+                    // playback
+                    AudioPlayer.play(file_path);
+                }
+            }
+            closedir(d);
+        }
+    }
+}
+
+#endif