Diff: sample_programs/sample_15_ceu_lcd_pwm.cpp

Revision:

0:b4c1e32627f2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_programs/sample_15_ceu_lcd_pwm.cpp	Mon Oct 12 02:25:49 2020 +0000
@@ -0,0 +1,132 @@
+/*******************************************************************************
+* 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 == 15)
+// SAMPLE_PROGRAM_NO 15 : CEU, LCD and PWM sample
+//
+// Display camera image on LCD
+// Pressing SW3 changes the LCD backlight. (PWM)
+//
+// Please set the value of "camera-type" in "mbed_app.json" to "CAMERA_MT9V111", "CAMERA_OV7725", "CAMERA_OV5642" or "CAMERA_WIRELESS_CAMERA".
+//
+//        "camera-type":{
+//            "help": "Please see EasyAttach_CameraAndLCD/README.md",
+//            "value": "CAMERA_XXXXXXXX"
+//        },
+//
+// Please set the value of "lcd-type" in "mbed_app.json" to "TF043HV001A0", "ATM0430D25", "FG040346DSSWBG03" or "RSK_TFT".
+//
+//        "lcd-type":{
+//            "help": "Please see EasyAttach_CameraAndLCD/README.md",
+//            "value": "RSK_TFT"
+//        },
+
+#if defined(TARGET_SEMB1402) || defined(TARGET_RZ_A2M_SBEV)
+#error "LCD is not supported."
+#endif
+
+#include "mbed.h"
+#include "EasyAttach_CameraAndLCD.h"
+
+/*! 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      (2u)
+#define FRAME_BUFFER_STRIDE    (((VIDEO_PIXEL_HW * DATA_SIZE_PER_PIC) + 31u) & ~31u)
+#define FRAME_BUFFER_HEIGHT    (VIDEO_PIXEL_VW)
+
+DisplayBase Display;
+
+static uint8_t user_frame_buffer0[FRAME_BUFFER_STRIDE * FRAME_BUFFER_HEIGHT]__attribute((section("NC_BSS"),aligned(32)));
+
+static void Start_Video_Camera(void) {
+    // Video capture setting (progressive form fixed)
+    Display.Video_Write_Setting(
+        DisplayBase::VIDEO_INPUT_CHANNEL_0,
+        DisplayBase::COL_SYS_NTSC_358,
+        (void *)user_frame_buffer0,
+        FRAME_BUFFER_STRIDE,
+        DisplayBase::VIDEO_FORMAT_YCBCR422,
+        DisplayBase::WR_RD_WRSWA_32_16BIT,
+        VIDEO_PIXEL_VW,
+        VIDEO_PIXEL_HW
+    );
+    EasyAttach_CameraStart(Display, DisplayBase::VIDEO_INPUT_CHANNEL_0);
+}
+
+static void Start_LCD_Display(void) {
+    DisplayBase::rect_t rect;
+
+#if (LCD_PIXEL_HEIGHT > VIDEO_PIXEL_VW)
+    rect.vs = (LCD_PIXEL_HEIGHT - VIDEO_PIXEL_VW) / 2;  // centering
+#else
+    rect.vs = 0;
+#endif
+    rect.vw = VIDEO_PIXEL_VW;
+#if (LCD_PIXEL_WIDTH > VIDEO_PIXEL_HW)
+    rect.hs = (LCD_PIXEL_WIDTH - VIDEO_PIXEL_HW) / 2;   // centering
+#else
+    rect.hs = 0;
+#endif
+    rect.hw = VIDEO_PIXEL_HW;
+    Display.Graphics_Read_Setting(
+        DisplayBase::GRAPHICS_LAYER_0,
+        (void *)user_frame_buffer0,
+        FRAME_BUFFER_STRIDE,
+        DisplayBase::GRAPHICS_FORMAT_YCBCR422,
+        DisplayBase::WR_RD_WRSWA_32_16BIT,
+        &rect
+    );
+    Display.Graphics_Start(DisplayBase::GRAPHICS_LAYER_0);
+
+    ThisThread::sleep_for(50);
+    EasyAttach_LcdBacklight(true);
+}
+
+static void button_fall(void) {
+    static uint32_t backlight_val = 10;
+
+    if (backlight_val > 0) {
+        backlight_val--;
+    } else {
+        backlight_val = 10;
+    }
+    EasyAttach_LcdBacklight((float)(0.1f * backlight_val));
+}
+
+int main(void) {
+    EasyAttach_Init(Display);
+    Start_LCD_Display();
+    Start_Video_Camera();
+
+    InterruptIn button(USER_BUTTON0);
+    button.fall(&button_fall);
+
+    ThisThread::sleep_for(osWaitForever);
+}
+
+#endif