Giovani Cardona
Código para el uso del Módulo RTC DS3231 (Pantalla LCD - ENCODER - IRDA) para establecer un sistema de Alarmas en tiempo real.
Dependencies: mbed QEI ds3231 TextLCD Pulse1
Diff: main.cpp
- Revision:
- 0:dc639ee44cab
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Aug 13 03:24:11 2019 +0000
@@ -0,0 +1,635 @@
+/*Práctica 4 - Procesadores 2019-1
+ Giovani Cardona Sánchez
+ Mateo Valencia Diaz
+ Verónica Ríos Vargas
+ Juan Esteban Rodriguez Oquendo
+ Juan Camilo Pérez Estrada
+*/
+
+#include "ds3231.h"
+#include "TextLCD.h"
+#include <Pulse1.h>
+#include "QEI.h"
+
+//--------------------------Puertos---------------------------------//
+TextLCD lcd(PTB10, PTB11, PTE2, PTE3, PTE4, PTE5, TextLCD::LCD20x4); // rs, e, d4-d7
+Ds3231 rtc(PTE0, PTE1); //rtc object Ds3231::Ds3231(PinName sda, PinName scl) : I2C(sda, scl)
+PulseInOut irda(PTD5);// en este puerto se pone el sensor infrarrojo
+QEI wheel (PTD7, PTD6, NC, 624);
+Serial pc(USBTX, USBRX);
+
+DigitalOut ledR(LED_RED); // led rojo
+DigitalOut ledG(LED_GREEN); // led verde
+DigitalOut ledB(LED_BLUE); // led azul
+
+DigitalOut Buzzer(PTD4);
+InterruptIn button(PTA17);
+
+//--------------------------Variables---------------------------------//
+
+int day = 0, date = 0, month = 0, year = 0, hours = 0, minutes = 0, seconds = 0;
+int modo = 0, pulsos = 0, x = 0, pos = 0, count = 0, n = 0, x_i = -1, f = 0;
+int Alarmas[16][6];
+
+//--------IRDA--------//
+int header =0; //tiempo de cabecera pulso abajo
+const int head_H = 11000; //+20% medida con osciloscopio en microsegundos
+const int head_L = 4444 ;//-20% medida con osciloscopio
+int i=0;
+const int T_alto=1670;//ponga su tiempo de la prueba
+const int T_bajo=847;//ponga su tiempo de la prueba
+const int num_bits = 32;//ponga su numero de bits
+int num[num_bits];//cadena para almacenar todos los tiempos que conforman los bits de datos
+int sec[num_bits];//cadena para almacenar la cadena codificada en binario
+int boton1[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,1,0,0,0,1,0,0,0,0,1,1,1,0,1,1,0};
+int boton2[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,1,0,0,1,0,0,0,1,0,1,1,0,1,1,0};
+int boton3[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,0,0,1,0,0,0,0,0,1,1,0,1,1,0};
+int boton4[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,0,1,0,1,0,0,0,1,1,0,1,0,1,1,0};
+int boton5[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,1,0,1,0,1,0,0,0,0,1,0,1,0,1,1,0};
+int boton6[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,1,1,0,1,0,0,0,1,0,0,1,0,1,1,0};
+int boton7[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,1,1,1,0,1,0,0,0,0,0,0,1,0,1,1,0};
+int boton8[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,0,0,1,1,0,0,0,1,1,1,0,0,1,1,0};
+int boton9[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,1,0,0,1,1,0,0,0,0,1,1,0,0,1,1,0};
+int boton0[]= {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,0,0,0,1,0,0,0,1,1,1,1,0,1,1,0};
+int OK[] = {0,0,1,0,0,0,0,0,1,1,0,1,1,1,1,1,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,0};
+
+int flag1,flag2,flag3,flag_OK; //Banderas de boton presionado
+int dato; // tiempo de cada dato que se lee
+
+
+//----------------------Funciones--------------------------------//
+void get_user_input(char* message, uint8_t min, uint8_t max, uint32_t* member);
+void get_user_input(char* message, uint8_t min, uint8_t max, bool* member);
+void set_RTC(void);
+void set_Alarm_encoder(void);
+int set_Alarm_IRDA(void);
+void print_Alarm(void);
+int detect_number(void);
+int sel_number(void);
+
+
+//----------------------Interrupciones---------------------------//
+void Button(void) {
+ wait(0.1);
+ if(button == 1){
+ if(n == 0){
+ ledG = !ledG; //Se va a ingresar una alarma por IRDA
+ modo = 2;
+ f = 0;
+ count = 0;
+ }
+ if(modo == 0){
+ pos = x;
+ //ledR = !ledR;
+ printf("\nInterrupcion- Alarma = %d",pos);
+ modo = 1; //Cambio de alarma por encoder
+ count = 0;
+ x = 0;
+ }
+ else if(modo == 1){
+ Alarmas[pos-1][count] = x;
+ ledR = !ledR;
+ wait(0.05);
+ ledR = !ledR;
+ count++;
+ x = 0;
+ }
+ }
+}
+
+
+//----------------------Ciclo principal---------------------------//
+int main(void)
+{
+ //DS3231 rtc variables - default, use bit masks in ds3231.h for desired operation
+ ds3231_cntl_stat_t rtc_control_status = {0,0};
+ rtc.set_cntl_stat_reg(rtc_control_status);
+
+ //******************************//
+ ds3231_time_t time = {12, 0, 0, 0, 1};
+ ds3231_calendar_t calendar = {1, 1, 1, 0};
+ ledR = 1; ledB = 1; ledG = 1;//LEDs OFF
+
+ //set_RTC(); //Configuración del RTC
+
+ //******************************//
+
+ while(1)
+ {
+ rtc.get_time(&time); // NO se va a usar el modo (1 for 12hr 0 for 24hr) o (0 for AM 1 for PM)
+ lcd.locate(0, 0);
+ lcd.printf("Time %02d:%02d:%02d - RTC", time.hours, time.minutes, time.seconds);
+
+ rtc.get_calendar(&calendar);
+ lcd.locate(0, 1);
+ lcd.printf("Calendar %02d/%02d/%02d",calendar.date, calendar.month, calendar.year);
+
+ //-------Verificación Alarma encendido------//
+ for (int i= 0; i<=7;i++){
+ if((time.hours == Alarmas[i][0])&& (time.minutes == Alarmas[i][1]) && (time.seconds == Alarmas[i][2]) && (calendar.date == Alarmas[i][3]) && (calendar.month == Alarmas[i][4]) && (calendar.year == Alarmas[i][5])){
+ ledB = 0;
+ Buzzer = 1;
+ lcd.locate(0, 3);
+ lcd.printf(" Alarm %d activated", i+1);
+ wait(0.5);
+ Buzzer = 0;
+ lcd.locate(0, 3);
+ lcd.printf(" ");
+ }
+ }
+ //-------------------------//
+
+ //-------Verificación Alarma apagado------//
+ for (int i= 8; i<=15;i++){
+ if((time.hours == Alarmas[i][0])&& (time.minutes == Alarmas[i][1]) && (time.seconds == Alarmas[i][2]) && (calendar.date == Alarmas[i][3]) && (calendar.month == Alarmas[i][4]) && (calendar.year == Alarmas[i][5])){
+ ledB = 1;
+ Buzzer = 1;
+ lcd.locate(0, 3);
+ lcd.printf("Alarm %d deactivated", i+1);
+ wait(0.5);
+ Buzzer = 0;
+ lcd.locate(0, 3);
+ lcd.printf(" ");
+ }
+ }
+ //-------------------------//
+
+ switch (modo)
+ {
+ case 0: //Selección de Alarma
+
+ //Cambio de estado del Encoder
+ x = x - wheel.getPulses();
+ wheel.reset();
+ button.rise(&Button);
+
+ //printf("\nx: %d ",x);
+ if ((x != 0) && (modo == 0))
+ {
+ if (x < 1){x = 1;}
+ if (x > 16){x = 16;}
+
+ lcd.locate(0, 2);
+ lcd.printf(" Alarm %02d", x);
+ button.rise(&Button);
+ n = 1;
+ }
+ break;
+
+ case 1: //Modo 1 - Encoder
+ set_Alarm_encoder();
+ if (count == 6){
+ lcd.locate(0, 2);
+ lcd.printf(" Alarm saved! ");
+ wait(0.8);
+ lcd.locate(0, 2);
+ lcd.printf(" ");
+ lcd.locate(0, 3);
+ lcd.printf(" ");
+ count = 0;
+ modo = 0;
+ print_Alarm();
+ n = 0;
+ }
+ break;
+
+ case 2:
+ //Cambio de estado con IRDA
+ lcd.locate(0, 0);
+ lcd.printf(" ");
+ lcd.locate(0, 1);
+ lcd.printf(" ");
+ lcd.locate(0, 0);
+ lcd.printf(" Alarm IRDA");
+ lcd.locate(0, 1);
+ lcd.printf(" Select Alarm: ");
+
+
+ int x1 = 0, x2 = 0, x3 = 0, c = 0;
+ while(1){
+ if (detect_number() == 1){
+ c++;
+ if(c == 1){
+ x1 = sel_number();
+ pc.printf("\nx1: %d c: %d\n",x1,c);
+ x_i = x1;
+ }
+
+ if(c == 2){
+ x2 = sel_number();
+ pc.printf("\nx2: %d c: %d\n",x2,c);
+ if( x2 == -1){
+ x_i = x1;
+ break;
+ }
+ else{
+ x_i = x1*10 + x2;
+ }
+ }
+ if (c == 3){
+ x3 = sel_number();
+ pc.printf("\nx3: %d c: %d\n",x3,c);
+ if( x3 == -1){
+ x_i= x1*10 + x2;
+ break;
+ }
+ }
+ }
+ }
+ x1 = 0; x2 = 0; x3 = 0; c = 0;
+ // -------------------- //
+ lcd.locate(0, 1);
+ lcd.printf(" Select Alarm: %d", x_i);
+ while(f == 0){
+ f = set_Alarm_IRDA();
+ count++;
+ print_Alarm();
+ }
+
+ break;
+ }
+
+
+ //wait(0.2);
+ }//loop
+}
+
+//-----------------------Funciones---------------------------------//
+void set_Alarm_encoder(void){
+
+ lcd.locate(0, 3);
+ lcd.printf(" %02d:%02d:%02d %02d/%02d/%02d", Alarmas[pos-1][0],Alarmas[pos-1][1],Alarmas[pos-1][2],Alarmas[pos-1][3],Alarmas[pos-1][4],Alarmas[pos-1][5]);
+
+ x = x - wheel.getPulses();
+ wheel.reset();
+
+ switch (count) //count representa la posición de la columna en la matriz Alarmas - en este orden HH:MM:SS DD/MM/YY
+ {
+ case 0: //Hora
+ if (x < 0){x = 0;}
+ if (x > 23){x = 23;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 1: //Minutos
+ if (x < 0){x = 0;}
+ if (x > 59){x = 59;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 2: //Segundos
+ if (x < 0){x = 0;}
+ if (x > 59){x = 59;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 3: // Día
+ if (x < 0){x = 0;}
+ if (x > 31){x = 31;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 4: // Mes
+ if (x < 0){x = 0;}
+ if (x > 12){x = 12;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 5: // Año
+ if (x < 0){x = 0;}
+ if (x > 99){x = 99;}
+ Alarmas[pos-1][count] = x;
+ break;
+ }
+}
+
+// ---- IRDA ----//
+int detect_number(void){
+ int y = 0;
+ header=0;
+ header = irda.read_low_us(); //funcion para leer un pulso de caida o bajo
+
+ if (header > head_L && header < head_H){
+ wait_us(2000);
+ for(int i=0; i<(num_bits-1); ++i) // POR OSCILOSCOPIO se determina que llegan (num_bits),datos
+ {
+ dato = irda.read_high_us(); //leer un bit de datos que es pulso arriba en este control
+ num[i]=dato;
+ wait_us(332);
+ }
+ for(int i=0; i<num_bits; ++i)
+ {
+ if(num[i] > ((T_alto+T_bajo)/2))
+ {
+ pc.printf("1");
+ sec[i]=1; // guardo la secuancia en binario
+ }
+ else
+ {
+ sec[i]=0; //guardo la secuencia en binario
+ pc.printf("0");
+ }
+ pc.printf(",");
+ }
+ pc.printf("\n");
+ y = 1;
+ }
+ return y;
+}
+
+int sel_number(void){
+ int flag1=1,flag2=1,flag3=1,flag4=1,flag5=1,flag6=1,flag7=1,flag8=1,flag9=1,flag0=1,flag_OK=1;
+ int x_irda;
+
+ for(i=0; i<32; ++i)
+ {
+ if(sec[i]!=boton1[i]) //en caso de que un bit no coincida se descarta el boton 1
+ {
+ flag1=0;
+ }
+ if(sec[i]!=boton2[i]) //en caso de que un bit no coincida se descarta el boton 2
+ {
+ flag2=0;
+ }
+ if(sec[i]!=boton3[i]) //en caso de que un bit no coincida se descarta el boton 3
+ {
+ flag3=0;
+ }
+ if(sec[i]!=boton4[i]) //en caso de que un bit no coincida se descarta el boton 1
+ {
+ flag4=0;
+ }
+ if(sec[i]!=boton5[i]) //en caso de que un bit no coincida se descarta el boton 2
+ {
+ flag5=0;
+ }
+ if(sec[i]!=boton6[i]) //en caso de que un bit no coincida se descarta el boton 3
+ {
+ flag6=0;
+ }
+ if(sec[i]!=boton7[i]) //en caso de que un bit no coincida se descarta el boton 1
+ {
+ flag7=0;
+ }
+ if(sec[i]!=boton8[i]) //en caso de que un bit no coincida se descarta el boton 2
+ {
+ flag8=0;
+ }
+ if(sec[i]!=boton9[i]) //en caso de que un bit no coincida se descarta el boton 3
+ {
+ flag9=0;
+ }
+ if(sec[i]!=boton0[i]) //en caso de que un bit no coincida se descarta el boton 3
+ {
+ flag0=0;
+ }
+ if(sec[i]!=OK[i]) //en caso de que un bit no coincida se descarta el boton 3
+ {
+ flag_OK=0;
+ }
+ }
+
+ if(flag1 == 1) {x_irda =1;}
+ if(flag2 == 1) {x_irda =2;}
+ if(flag3 == 1) {x_irda =3;}
+ if(flag4 == 1) {x_irda =4;}
+ if(flag5 == 1) {x_irda =5;}
+ if(flag6 == 1) {x_irda =6;}
+ if(flag7 == 1) {x_irda =7;}
+ if(flag8 == 1) {x_irda =8;}
+ if(flag9 == 1) {x_irda =9;}
+ if(flag0 == 1) {x_irda =0;}
+ if(flag_OK == 1) {x_irda =-1;}
+
+ return x_irda;
+}
+
+int set_Alarm_IRDA(void){
+ lcd.locate(0, 3);
+ int x1 = 0, x2 = 0, x3 = 0, c = 0;
+ pos = x_i;
+ f = 0;
+ lcd.printf(" %02d:%02d:%02d %02d/%02d/%02d", Alarmas[pos-1][0],Alarmas[pos-1][1],Alarmas[pos-1][2],Alarmas[pos-1][3],Alarmas[pos-1][4],Alarmas[pos-1][5]);
+
+ while(1){
+ if (detect_number() == 1){
+ c++;
+ if(c == 1){
+ x1 = sel_number();
+ pc.printf("\nx1: %d c: %d\n",x1,c);
+ x = x1;
+ }
+
+ if(c == 2){
+ x2 = sel_number();
+ pc.printf("\nx2: %d c: %d\n",x2,c);
+ if( x2 == -1){
+ x = x1;
+ break;
+ }
+ else{
+ x = x1*10 + x2;
+ }
+ }
+ if (c == 3){
+ x3 = sel_number();
+ pc.printf("\nx3: %d c: %d\n",x3,c);
+ if( x3 == -1){
+ x = x1*10 + x2;
+ break;
+ }
+ }
+ }
+ }
+
+ switch (count) //count representa la posición de la columna en la matriz Alarmas - en este orden HH:MM:SS DD/MM/YY
+ {
+ case 0: //Hora
+ if (x < 0){x = 0;}
+ if (x > 23){x = 23;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 1: //Minutos
+ if (x < 0){x = 0;}
+ if (x > 59){x = 59;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 2: //Segundos
+ if (x < 0){x = 0;}
+ if (x > 59){x = 59;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 3: // Día
+ if (x < 0){x = 0;}
+ if (x > 31){x = 31;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 4: // Mes
+ if (x < 0){x = 0;}
+ if (x > 12){x = 12;}
+ Alarmas[pos-1][count] = x;
+ break;
+
+ case 5: // Año
+ if (x < 0){x = 0;}
+ if (x > 99){x = 99;}
+ Alarmas[pos-1][count] = x;
+ break;
+ }
+
+ if (count == 5){
+ modo = 0;
+ count = 0;
+ f = 1;
+ lcd.locate(0, 2);
+ lcd.printf(" Alarm saved! ");
+ lcd.locate(0, 3);
+ lcd.printf(" %02d:%02d:%02d %02d/%02d/%02d", Alarmas[pos-1][0],Alarmas[pos-1][1],Alarmas[pos-1][2],Alarmas[pos-1][3],Alarmas[pos-1][4],Alarmas[pos-1][5]);
+ wait(0.8);
+ lcd.locate(0, 2);
+ lcd.printf(" ");
+ lcd.locate(0, 3);
+ lcd.printf(" ");
+ x = 0;
+ }
+ return f;
+}
+
+void print_Alarm(void){
+ printf("\n");
+ for (int i=0; i<=15;i++){
+ for (int j= 0; j<=5;j++){
+ printf("%d ",Alarmas[i][j]);
+ }
+ printf("\n");
+ }
+}
+
+/**********************************************************************
+* Function: get_user_input()
+* Parameters: message - user prompt
+* min - minimum value of input
+* max - maximum value of input
+* member - pointer to struct member
+* Returns: none
+*
+* Description: get time/date input from user
+*
+**********************************************************************/
+void get_user_input(char* message, uint8_t min, uint8_t max, uint32_t* member)
+{
+ uint32_t temp;
+
+ do
+ {
+ printf("\n%s", message);
+
+ //for some reason mbed doesn't like a pointer to a member in scanf
+ //term.scanf("%d", member); works with gcc on RPi
+ scanf("%d", &temp);
+
+ *member = temp;
+
+ if((*(member)< min) || (*(member) > max))
+ {
+ printf("\nERROR-RTI");
+ }
+ }
+ while((*(member) < min) || (*(member) > max));
+}
+
+
+void get_user_input(char* message, uint8_t min, uint8_t max, bool* member)
+{
+ uint32_t temp;
+
+ do
+ {
+ printf("\n%s", message);
+
+ //for some reason mbed doesn't like a pointer to a member in scanf
+ //term.scanf("%d", member); works with gcc on RPi
+ scanf("%d", &temp);
+
+ *member = temp;
+
+ if((*(member)< min) || (*(member) > max))
+ {
+ printf("\nERROR-RTI");
+ }
+ }
+ while((*(member) < min) || (*(member) > max));
+}
+
+void set_RTC(void){
+
+//Cambio de la configuración del RTC DS3231
+ ds3231_time_t rtc_time;
+ ds3231_calendar_t rtc_calendar;
+
+ //get day from user
+ get_user_input("\nPlease enter day of week, 1 for Sunday (1-7): ", 1,
+ 7, &rtc_calendar.day);
+
+ //get day of month from user
+ get_user_input("\nPlease enter day of month (1-31): ", 1, 31,
+ &rtc_calendar.date);
+
+ //get month from user
+ get_user_input("\nPlease enter the month, 1 for January (1-12): ", 1,
+ 12, &rtc_calendar.month);
+
+ //get year from user
+ get_user_input("\nPlease enter the year (0-99): ",0, 99,
+ &rtc_calendar.year);
+
+ //Get time mode
+ get_user_input("\nWhat time mode? 1 for 12hr 0 for 24hr: ", 0, 1,
+ &rtc_time.mode);
+
+ if(rtc_time.mode)
+ {
+ //Get AM/PM status
+ get_user_input("\nIs it AM or PM? 0 for AM 1 for PM: ", 0, 1,
+ &rtc_time.am_pm);
+ //Get hour from user
+ get_user_input("\nPlease enter the hour (1-12): ", 1, 12,
+ &rtc_time.hours);
+ }
+ else
+ {
+ //Get hour from user
+ get_user_input("\nPlease enter the hour (0-23): ", 0, 23,
+ &rtc_time.hours);
+ }
+
+ //Get minutes from user
+ get_user_input("\nPlease enter the minute (0-59): ", 0, 59,
+ &rtc_time.minutes);
+
+
+ //Get seconds from user
+ get_user_input("\nPlease enter the second (0-59): ", 0, 59,
+ &rtc_time.seconds);
+
+
+
+ //Set the time, uses inverted logic for return value
+ if(rtc.set_time(rtc_time))
+ {
+ printf("\nrtc.set_time failed!!\n");
+ exit(0);
+ }
+
+ //Set the calendar, uses inverted logic for return value
+ if(rtc.set_calendar(rtc_calendar))
+ {
+ printf("\nrtc.set_calendar failed!!\n");
+ exit(0);
+ }
+
+}