Kenji Arai
Check program for 7-segment LED driver [OSL10564-74HC595-x] library
Dependencies: OSL10564_74HC595 mbed
Revision 0:b24071fbcbb3, committed 2018-01-22
- Comitter:
- kenjiArai
- Date:
- Mon Jan 22 10:25:28 2018 +0000
- Commit message:
- check program for 7-segment LED driver [OSL10564-74HC595-x] library
Changed in this revision
diff -r 000000000000 -r b24071fbcbb3 OSL10564_74HC595.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OSL10564_74HC595.lib Mon Jan 22 10:25:28 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/kenjiArai/code/OSL10564_74HC595/#3373357a49f4
diff -r 000000000000 -r b24071fbcbb3 main.cpp
--- /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;
+ }
+}
diff -r 000000000000 -r b24071fbcbb3 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Jan 22 10:25:28 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/7130f322cb7e \ No newline at end of file