Shivanand Gowda
7segment displays multiple
Dependencies: 74HC595 RS485 mbed
Fork of
Check_7segLED_driver
by 
Kenji Arai
Revision 1:69423a344fe4, committed 2018-08-21
- Comitter:
- shivanandgowdakr
- Date:
- Tue Aug 21 10:24:08 2018 +0000
- Parent:
- 0:b24071fbcbb3
- Commit message:
- 7segment displays multiple
Changed in this revision
diff -r b24071fbcbb3 -r 69423a344fe4 OSL10564_74HC595.lib --- a/OSL10564_74HC595.lib Mon Jan 22 10:25:28 2018 +0000 +++ b/OSL10564_74HC595.lib Tue Aug 21 10:24:08 2018 +0000 @@ -1,1 +1,1 @@ -https://os.mbed.com/users/kenjiArai/code/OSL10564_74HC595/#3373357a49f4 +https://os.mbed.com/users/shivanandgowdakr/code/74HC595/#a8e603686790
diff -r b24071fbcbb3 -r 69423a344fe4 RS485.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RS485.lib Tue Aug 21 10:24:08 2018 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/shivanandgowdakr/code/RS485/#302837c859de
diff -r b24071fbcbb3 -r 69423a344fe4 main.cpp
--- a/main.cpp Mon Jan 22 10:25:28 2018 +0000
+++ b/main.cpp Tue Aug 21 10:24:08 2018 +0000
@@ -1,215 +1,174 @@
-/*
- * 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"
+#include "RS485.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
+SevenSegLed led_7segs(PC_12,PC_10, PC_9, PC_8, NUM_OF_DIGIT);
+// Serial_Data_Out, Serial_Clock, Latch , PWM_Brightness_Contol
+Serial pc(USBTX,USBRX);
+Serial rs485(PF_7,PF_6,PA_1);
DigitalOut myled(LED1);
AnalogIn vol(A0);
-
-// RAM ------------------------------------------------------------------------
time_t seconds;
-// ROM / Constant data --------------------------------------------------------
+DigitalIn sw1(PE_10);
+DigitalIn sw2(PE_12);
+DigitalIn sw3(PE_13);
+DigitalIn sw4(PE_14);
+DigitalIn sw5(PH_1);
+DigitalIn sw6(PH_0);
+DigitalIn sw7(PC_15);
+DigitalIn sw8(PC_14);
-// Function prototypes --------------------------------------------------------
+char Rx_Data[20]={'\0'};
+char Floor_No_MSB,Floor_No_LSB;
+int Get_Floor_Number( int result);
+int validate_rx_data(char *Rx);
+int read_switch_state(void);
+int Count=0;
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++) {
+ int value=read_switch_state();
+ int floor=Get_Floor_Number(value);
+
+ uint32_t max = 4;
+ 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;
+
+
+ while(true)
+ {
+ if(rs485.readable())
+ {
+ int i=0;
+ //A22010055B; Send this data to Mbed Device through RS485
+ // A - Start of Frame
+ // 22 - Display Address Panel Number
+ // 0 - Delimeter
+ // 1- Turn On Display
+ //0- Delimiter
+ //055 or xxx Number to be displayed
+ // B; End of Frame.
+ Rx_Data[i++]=rs485.getc();
}
- 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");
+int validate_rx_data(char *Rx)
+{
+ int res;
+ if( Rx[0]=='A' && Rx[1]=='2'&& Rx[2]=='2'
+ && Rx[3]==0x30 && Rx[4]=='1'&& Rx[5]==0x30
+ && Rx[9]=='B')
{
- 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");
+ printf("Valid Data Recieved \r\n");
+ int a =Rx[6]-0x30;
+ int b=Rx[7]-0x30;
+ int c=Rx[8]-0x30;
+ res=(a<<16 ||b<<8||c);
+ led_7segs=res;
+ return 1;
}
- //--------------------------------------------------------------------------
- pc.printf("Step_END\r\n");
+
+ else if( Rx[0]=='A' && Rx[1]=='2'&& Rx[2]=='2'
+ && Rx[3]==0x30 && Rx[4]=='2'&& Rx[5]==0x30
+ && Rx[9]=='B')
{
- while(true) {
- pc.printf("Finished -> Reset then start again\r\n");
- wait(10.0f);
- }
+ char str[4]="nil";
+ printf("Valid Data Recieved \r\n");
+ led_7segs=res;
+ led_7segs.put_strings(str);
+ return 1;
}
+ else
+ {
+ printf(" Not Intended to me \r\n");
+ memset(Rx,'\0',20);
+ return 0;
+ }
+
}
-bool exit_while_loop_when_keyinput(void)
+int read_switch_state(void)
{
- if (pc.readable()) {
- while(pc.readable()) {
- char c = pc.getc();
- }
- return true;
- } else {
- return false;
- }
+ int c1,c2,c3,c4,c5,c6,c7,c8; int res=0;
+ if(sw1==0)
+ c1=0;
+ else
+ c1=1;
+ if(sw2==0)
+ c2=0;
+ else
+ c2=0x02;
+ if(sw3==0)
+ c3=0;
+ else
+ c3=0x04;
+ if(sw4==0)
+ c4=0;
+ else
+ c4=0x08;
+
+ if(sw5==0)
+ c5=0;
+ else
+ c5=16;
+ if(sw6==0)
+ c6=0;
+ else
+ c6=32;
+ if(sw7==0)
+ c7=0;
+ else
+ c7=64;
+ if(sw8==0)
+ c8=0;
+ else
+ c8=128;
+
+ res=c1|c2|c3|c4|c5|c6|c7|c8;
+ if(res==1)
+ return 1;
+ else if(res==3)
+ return 2;
+ else if(res==7)
+ return 3;
+ else if(res==15)
+ return 4;
+ else if(res==31)
+ return 5;
+ else if(res==63)
+ return 6;
+ else if(res==127)
+ return 7;
+ else if(res==255)
+ return 8;
+
+ return -1;
}
+
+
+int Get_Floor_Number( int result )
+{
+ int MSB;int LSB;
+ MSB=0x30;
+ LSB=0x30+result;
+ result=MSB+LSB;
+ return result;
+
+}
\ No newline at end of file
diff -r b24071fbcbb3 -r 69423a344fe4 mbed.bld --- a/mbed.bld Mon Jan 22 10:25:28 2018 +0000 +++ b/mbed.bld Tue Aug 21 10:24:08 2018 +0000 @@ -1,1 +1,1 @@ -http://mbed.org/users/mbed_official/code/mbed/builds/7130f322cb7e \ No newline at end of file +http://mbed.org/users/mbed_official/code/mbed/builds/a7c7b631e539 \ No newline at end of file