Diff: main.cpp

Revision:

0:b24071fbcbb3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Jan 22 10:25:28 2018 +0000
@@ -0,0 +1,215 @@
+/*
+ * Mbed Application program / Akizuki 7-segment LED driver [OSL10564-74HC595-x]
+ *      AKIZUKI AE-7SEG-BOARD-KIT-BLUE
+ *      http://akizukidenshi.com/catalog/g/gK-10344/
+ *
+ * Copyright (c) 2018 Kenji Arai / JH1PJL
+ *  http://www.page.sannet.ne.jp/kenjia/index.html
+ *  http://mbed.org/users/kenjiArai/
+ *      Created:    January    7th, 2018
+ *      Revised:    January   22nd, 2018
+ */
+
+//  Include --------------------------------------------------------------------
+#include "mbed.h"
+#include "7segLed_HC595.h"
+
+//  Definition -----------------------------------------------------------------
+#define NUM_OF_DIGIT    6
+
+#define KEYIN_THEN_EXIT_WHILE() {if(exit_while_loop_when_keyinput()){ break;}}
+
+//  Constructor ----------------------------------------------------------------
+Serial      pc(USBTX, USBRX);
+#if defined(TARGET_NUCLEO_F446RE) || defined(TARGET_NUCLEO_F411RE)\
+ || defined(TARGET_NUCLEO_F401RE) || defined(TARGET_NUCLEO_L152RE)\
+ || defined(TARGET_NUCLEO_L073RZ) || defined(TARGET_NUCLEO_L053R8)\
+ || defined(TARGET_NUCLEO_L476RG)
+//                SPI MOSI,SCLK,any port, PWM, number of digit
+SevenSegLed led_7segs(D4,  D3,  D5,       D6,  NUM_OF_DIGIT);
+#elif defined(TARGET_NUCLEO_F334R8)
+//                SPI MOSI,SCLK,any port, PWM, number of digit
+SevenSegLed led_7segs(D4,  D3,  D5,       D7,  NUM_OF_DIGIT);
+#elif defined(TARGET_NUCLEO_F303K8)
+//                SPI MOSI,SCLK,any port, PWM, number of digit
+SevenSegLed led_7segs(A6,  A4,  A5,       A3,  NUM_OF_DIGIT);
+#elif TARGET_Freescale
+//                SPI MOSI,SCLK,any port, PWM, number of digit
+SevenSegLed led_7segs(D11, D13, D12,     D10,  NUM_OF_DIGIT);
+#else
+#error    "Please set your own SevenSegLed constractor!"
+#endif
+DigitalOut  myled(LED1);
+AnalogIn    vol(A0);
+
+//  RAM ------------------------------------------------------------------------
+time_t seconds;
+
+//  ROM / Constant data --------------------------------------------------------
+
+//  Function prototypes --------------------------------------------------------
+bool exit_while_loop_when_keyinput(void);
+
+//------------------------------------------------------------------------------
+//  Control Program
+//------------------------------------------------------------------------------
+int main()
+{
+    //--------------------------------------------------------------------------
+    pc.printf("Hit any key to go next step\r\n");
+    pc.printf("Step1\r\n");
+    {
+        uint32_t max = 9;
+        for (uint32_t i = 1; i < NUM_OF_DIGIT; i++) {
+            max = max * 10 + 9;
+        }
+        pc.printf("max = %d\r\n", max);
+        led_7segs.zero_suppress(true);
+        int32_t count = 0;
+        while(true) {
+            led_7segs = count++;
+            if (count > max) {
+                count = 0;
+            }
+            float wait_time = 5.0f / (float)(count + 1);
+            if (wait_time > 0.01f) {
+                wait(wait_time);
+            }
+            KEYIN_THEN_EXIT_WHILE();
+        }
+    }
+    //--------------------------------------------------------------------------
+    pc.printf("Step2\r\n");
+    {
+        char buf[16];
+
+        led_7segs.zero_suppress(false);
+        float led_bright = 0.5f;
+        while(true) {
+            time_t seconds = time(NULL);
+            strftime(buf, 10, "%H.%M.%S", localtime(&seconds));
+            //strftime(buf, 10, "1.2.3.4.%S", localtime(&seconds));
+            pc.printf("%s\r\n", buf);
+            led_7segs.put_ascii(buf);
+            led_7segs.brightness(led_bright);
+            if (led_bright == 0.5f) {
+                led_bright = 1.0f;
+            } else {
+                led_bright = 0.5f;
+            }
+            wait(1.0f);
+            KEYIN_THEN_EXIT_WHILE();
+        }
+    }
+    //--------------------------------------------------------------------------
+    pc.printf("Step3\r\n");
+    {
+        uint8_t seg_bf[6] =  {
+            0b00000001     // LSB
+            ,0b00000010
+            ,0b10000100     // +Dot
+            ,0b00001000
+            ,0b00010000
+            ,0b00100000     // MSB
+        };
+
+        led_7segs.zero_suppress(true);
+        led_7segs.brightness(1.0f);
+        int32_t count = 0;
+        while(true) {
+            count++;
+            if (count & 0x01) {
+                led_7segs.put_raw(seg_bf);
+            } else {
+                led_7segs.put_ascii("12.34567");
+            }
+            wait(1.0f);
+            KEYIN_THEN_EXIT_WHILE();
+        }
+    }
+    //--------------------------------------------------------------------------
+    pc.printf("Step4\r\n");
+    {
+        char buf[16];
+
+        for (uint32_t i = 0; i < sizeof(buf); i++) {
+            buf[i] = ' ';
+        }
+        bool exit_req = false;
+        while(true) {
+            for (uint32_t n = ' '; n < '~'; n++) {
+                for (uint32_t i = 0 ; i < sizeof(buf) - 1; i++) {
+                    buf[i] = buf[i + 1];
+                }
+                buf[NUM_OF_DIGIT - 1] = n;
+                pc.putc(n);
+                led_7segs.put_strings(buf);
+                led_7segs.brightness(vol);
+                wait(1.0f);
+                if(exit_while_loop_when_keyinput()) {
+                    exit_req = true;
+                    break;
+                }
+            }
+            if (exit_req == true) {
+                break;
+            }
+        }
+        for (uint32_t i = 0; i < sizeof(buf); i++) {
+            buf[i] = ' ';
+        }
+        led_7segs.put_strings(buf);
+        pc.printf("\r\n");
+    }
+    //--------------------------------------------------------------------------
+    pc.printf("Step5\r\n");
+    {
+        char buf[16];
+
+        pc.printf("hit [Esc] to exit the function\r\n");
+        for (uint32_t i = 0; i < sizeof(buf); i++) {
+            buf[i] = ' ';
+        }
+        led_7segs.put_strings(buf);
+        while(true) {
+            while(pc.readable() == 0) {
+                ;
+            }
+            char c = pc.getc();
+            pc.putc(c);
+            if (c == 0x1b) {    // [Esc]
+                break;
+            }
+            for (uint32_t i = 0 ; i < sizeof(buf) - 1; i++) {
+                buf[i] = buf[i + 1];
+            }
+            buf[NUM_OF_DIGIT - 1] = c;
+            led_7segs.put_strings(buf);
+        }
+        for (uint32_t i = 0; i < sizeof(buf); i++) {
+            buf[i] = ' ';
+        }
+        led_7segs.put_strings(buf);
+        pc.printf("\r\n");
+    }
+    //--------------------------------------------------------------------------
+    pc.printf("Step_END\r\n");
+    {
+        while(true) {
+            pc.printf("Finished -> Reset then start again\r\n");
+            wait(10.0f);
+        }
+    }
+}
+
+bool exit_while_loop_when_keyinput(void)
+{
+    if (pc.readable()) {
+        while(pc.readable()) {
+            char c = pc.getc();
+        }
+        return true;
+    } else {
+        return false;
+    }
+}