Sz_Insper
Relogio para testar a MultiFunction Shield
Revision 0:8a0f90698a02, committed 2020-09-09
- Comitter:
- Marcelocostanzo
- Date:
- Wed Sep 09 23:05:11 2020 +0000
- Commit message:
- Relogio com a Multi Function Shield
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/595.h Wed Sep 09 23:05:11 2020 +0000
@@ -0,0 +1,28 @@
+#include "mbed.h"
+#include "ShiftReg.h"
+
+ShiftReg HC595(p21, p22, p23);
+
+int main() {
+ // clear shift and store registers initially
+ HC595.ShiftByte(0x00, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+
+ while(1) {
+ // Demostrate to shift in bit by bit
+ HC595.ShiftBit(1); HC595.Latch(); wait(0.2);
+ for (int i = 0; i < 8; i++) {
+ HC595.ShiftBit(0); HC595.Latch(); wait(0.2);
+ }
+
+ // Demostrate to shift in byte-by-byte
+ // HC595.ShiftByte(0x80, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x40, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x20, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x10, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x08, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x04, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x02, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x01, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ HC595.ShiftByte(0x00, ShiftReg::MSBFirst); HC595.Latch(); wait(0.2);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ShiftReg.lib Wed Sep 09 23:05:11 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/yoonghm/code/ShiftReg/#a0e3fd47970f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Sep 09 23:05:11 2020 +0000
@@ -0,0 +1,149 @@
+#include "mbed.h"
+#include "ShiftReg.h"
+
+Ticker flipper;
+
+Timer T1;
+
+ShiftReg HC595(D8, D4, D7);
+
+AnalogIn analog_value(A0);
+
+DigitalOut CLK(D7);
+DigitalOut LAT(D4);
+DigitalOut DATA(D8);
+
+DigitalIn SW1(A1);
+DigitalIn SW2(A2);
+DigitalIn SW3(A3);
+
+
+PwmOut BEEP(D3);
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+int second = 0;
+int minute = 0;
+int hour = 0;
+
+const int SEGMENT_MAP_DIGIT[] = {0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0X80,0X90};
+const int SEGMENT_SELECT[] = {0xF1,0xF2,0xF4,0xF8};
+
+void WriteToDisplay(int Segment, int Point, int Number);
+void time_base();
+void MoreMinute();
+
+
+int main()
+{
+ pc.printf("\n\r74HC595 example\n\r");
+
+ // clear shift and store registers initially
+ HC595.ShiftByte(0x00, ShiftReg::MSBFirst); HC595.Latch(); wait(1);
+
+ BEEP.period(0.00204f);
+
+ flipper.attach(&time_base, 1.0f);
+
+ while(1)
+ {
+ if(second >= 60)
+ {
+ second = 0;
+ minute++;
+ BEEP = 0.5f;
+ wait(0.5);
+ BEEP = 0.0f;
+ }
+
+ if(minute >= 60)
+ {
+ minute = 0;
+ hour++;
+ }
+
+ if(hour >= 24)
+ {
+ hour = 0;
+ }
+
+ if(SW1 == 0)
+ {
+ flipper.detach();
+ MoreMinute();
+ }
+
+ //printf("\n\r %i:%i:%i", hour, minute, second);
+
+ WriteToDisplay(1, 0, (minute / 10));
+ WriteToDisplay(2, 1, (minute % 10));
+ WriteToDisplay(3, 0, (second / 10));
+ WriteToDisplay(4, 0, (second % 10));
+ }
+}
+
+
+
+
+
+
+void WriteToDisplay(int Segment, int Point, int Number)
+{
+ if(Point == 1)
+ {
+ HC595.ShiftByte(SEGMENT_MAP_DIGIT[Number] & 0x7F, ShiftReg::MSBFirst);
+ HC595.ShiftByte(SEGMENT_SELECT[Segment - 1], ShiftReg::MSBFirst);
+ HC595.Latch();
+ }
+
+ else
+ {
+ HC595.ShiftByte(SEGMENT_MAP_DIGIT[Number], ShiftReg::MSBFirst);
+ HC595.ShiftByte(SEGMENT_SELECT[Segment - 1], ShiftReg::MSBFirst);
+ HC595.Latch();
+ }
+}
+
+void time_base()
+{
+ second++;
+}
+
+void MoreMinute()
+{
+ bool exit = 0;
+
+ while(exit == 0)
+ {
+ if(SW1 == 0)
+ {
+ wait_ms(100);
+ if(SW1 == 0)
+ {
+ minute++;
+ WriteToDisplay(1, 0, (minute / 10));
+ WriteToDisplay(2, 1, (minute % 10));
+ WriteToDisplay(3, 0, (second / 10));
+ WriteToDisplay(4, 0, (second % 10));
+ }
+ }
+
+ if(SW3 == 0)
+ {
+ wait_ms(100);
+ if(SW3 == 0)
+ {
+ exit = 1;
+ for(int i = 0; i < 3; i++)
+ {
+ BEEP = 0.5f;
+ wait(0.15);
+ BEEP = 0.0f;
+ wait(015);
+ }
+ }
+ }
+ }
+ flipper.attach(&time_base, 1.0f);
+ exit = 0;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Sep 09 23:05:11 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/65be27845400 \ No newline at end of file