UART1_read_byte() gioie e dolori

/****************************** *************************************** * File: main.c * Author: Lello * TX = RC6 pin25, RX = RC7 pin26 * LTlib v4.0.5, MPLABX v4.15, XC8 v1.45 * PIC18F4550 * clock: 20MHz * Freedom Light * Un interruttore e un Led collocati sul pannello. * L'interruttore cambia lo stato del Led. * Visualizzo su LCD la risposta dal panel alla pressione del tasto. * * Created on March 8, 2018, 5:49 PM ***************************************************************************/ #include <xc.h> #include <LTlib.h> #include <LTlib_delay.h> #include <LTlib_delay.c> #include <LCD_44780.h> #include <LCD_44780.c> #include <module_IO.h> #include <module_IO.c> #include "module_UART.h" #include "module_UART.c" #include <stdio.h> #include <stdlib.h> #define HEADER_FILE 0x23 // carattere # #define DEACTIVATED 0x00 #define ACTIVATED 0x01 void main(void) { IO_set_all_ports_as_inputs(); IO_set_port_direction(IO_PORTD, IO_ALL_PORT_OUTPUT); IO_set_port_direction(IO_PORTC, IO_BIT0_OUT); LCD_initialize(20); LCD_backlight (LCD_TURN_ON_LED); LCD_cursor(LCD_TURN_ON_CURSOR, LCD_BLINKING_OFF); LCD_home(); LCD_write_message(" uPanel e Led"); LCD_goto_xy(6,2); // (colonna, riga) LCD_write_message("v1.0"); delay_s(3); LCD_clear(); LCD_goto_line(2); LCD_write_message("...start"); delay_s(2); LCD_clear(); //***************************************************** // Configura l'USART, 8 bit, 57600 bit/s UART1_open(UART_BAUDRATE_57600); delay_ms(10); UART1_write_message("\n"); UART1_write_message("$PING 200;\n"); UART1_write_message("\n"); // Send Panel (Led e switch) UART1_write_message("$P:D!338;=T*15:Led v1.0;{%100,3!88F,228}*20/L1G:0:LED;*10/W1:0;\n"); LCD_goto_line(2); LCD_write_message("...panel"); delay_s(2); LCD_clear(); PIR1bits.RCIF = 0; RCONbits.IPEN = 0; INTCONbits.GIE = 1; INTCONbits.PEIE = 1; while(1){ }// end while }// end main __interrupt(high_priority) void ISR_alta (void){ unsigned char data; static char firstTime; if (PIR1bits.RCIF == ACTIVATED){ PIR1bits.RCIF = DEACTIVATED; if (firstTime == HEADER_FILE){ //LCD_clear(); firstTime = 1; } data = UART1_read_byte(); LCD_goto_xy(1,1); LCD_write_char(data); UART1_close(); INTCONbits.GIE = 0; } }

//#define DELAY_INTERRUPT_BLOCKING

// Remove the comment from the DELAY_INTERRUPT_BLOCKING definition if the delay // should lock the interrupt. // This feature makes the delay function "almost" thread safe, in case it is // used within the main function and within the ISR at the same time. //#define DELAY_INTERRUPT_BLOCKING

/******************************** *********************************** * File: uPanel_Led_v2 * Author: Lello * TX = RC6 pin25, RX = RC7 pin26 * LTlib v4.0.5, MPLABX v4.15, XC8 v1.45 * PIC18F4550 * clock: 20MHz * Freedom Light * Un interruttore e un Led collocati sul pannello. * L'interruttore cambia lo stato del Led inviando indietro un codice con Header $. * Visualizzo su LCD la risposta dal panel alla pressione del tasto. * * Created on March 13, 2018, 10:22 PM **************************************************************************/ #include <xc.h> #include <LTlib.h> #include <LTlib_delay.h> #include <LTlib_delay.c> #include <LCD_44780.h> #include <LCD_44780.c> #include <module_IO.h> #include <module_IO.c> #include "module_UART.h" #include "module_UART.c" #include <stdio.h> #include <stdlib.h> #define HEADER_FILE 0x24 // carattere $ #define DEACTIVATED 0x00 #define ACTIVATED 0x01 #define LEDverde LATDbits.LATD0 #define LEDrosso LATDbits.LATD1 volatile unsigned char data = 0; //************************************************* // Gestione Interrupt //************************************************* __interrupt (high_priority) void ISR_alta (void) { // Flag per controllare la ricezione del primo carattere static unsigned char firstTime = 0; // Controllo che l'interrupt sia stato generato dall'USART if (PIR1bits.RCIF == 1 ) { // Resetto gli Interrupt EUSART PIR1bits.RCIF = 0; // Controllo la ricezione del primo carattere if (firstTime == 0) { //LCD_clear (); // Memorizzo il fatto che ho gia' pulito il display firstTime = 1; } // Leggo il dato dal buffer di ricezione data = (UART1_read_byte()); // Se $ termino l'applicazione if (data == HEADER_FILE) { LEDverde = 1; //LCD_write_char (data); // Chiudo l'USART UART1_close(); // Disabilito l'interrupt globale INTCONbits.GIE = 0; } } } //************************************************* // Programma Principale //************************************************* void main(void) { IO_set_all_ports_as_inputs(); IO_set_port_direction(IO_PORTD, IO_ALL_PORT_OUTPUT); LCD_initialize(20); LCD_backlight (LCD_TURN_ON_LED); LCD_cursor(LCD_TURN_OFF_CURSOR, LCD_BLINKING_OFF); LCD_home(); LCD_write_message(" uPanel e Led"); LCD_goto_xy(6,2); // (colonna, riga) LCD_write_message("v2.0"); delay_s(3); LCD_clear(); LCD_goto_line(2); LCD_write_message("...start"); delay_s(2); LCD_clear(); //***************************************************** // Configura l'USART, 8 bit, 57600 bit/s // 1 bit stop, 0 bit parità, interruzione RX abilitata ? UART1_open(UART_BAUDRATE_57600); delay_ms(10); UART1_write_message("\n"); UART1_write_message("$PING 200;\n"); UART1_write_message("\n"); // Send Panel (Led e switch) UART1_write_message("$P:D!338;=T*15:Led v2.0;{%100,3!88F,228}*20/L1G:0:LED;*10/W1:0;\n"); LCD_goto_line(2); LCD_write_message("...panel"); delay_s(2); LCD_clear(); LCD_write_char (data); // Resetto gli Interrupt vecchi PIR1bits.RCIF = 0; // Abilito modalit? compatibile (di default vale gi? 0) RCONbits.IPEN = 0; // Abilito l'interrupt globale INTCONbits.GIE = 1; // Abilito interrupt per periferiche INTCONbits.PEIE = 1 ; while(1){ }// end while }// end main