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Bus Can
Dependencies: mbed ssd1306_library
main_Carte2.cpp
- Committer:
- emmanueldavid
- Date:
- 2021-03-10
- Revision:
- 1:068cd7adbe4d
- Parent:
- 0:793b62d1f1ec
File content as of revision 1:068cd7adbe4d:
/* * Copyright (c) 2017-2020 Arm Limited and affiliates. * SPDX-License-Identifier: Apache-2.0 */ #if !DEVICE_CAN #error [NOT_SUPPORTED] CAN not supported for this target #endif #include "mbed.h" #include "ssd1306.h" SSD1306 OLED (I2C_SDA, I2C_SCL); // assumes default I2C address of 0x78 //Ticker ticker; DigitalOut ledD9(PA_4); DigitalOut ledD8(PA_5); // NON, désouder SB16 si utilisation I2c DigitalOut ledD7(PA_6); // NON, désouder SB18 si utilisation I2c DigitalOut ledD6(PA_7); DigitalIn SW4_1(PA_1); DigitalIn SW4_0(PA_3); DigitalIn SW1(PB_4, PullUp); DigitalIn SW2(PB_5, PullUp); //DigitalIn SW3(PA_8, PullUp); //InterruptIn SW1(PB_4, PullUp); //InterruptIn SW2(PB_5, PullUp); InterruptIn SW3(PA_8, PullUp); /** The constructor takes in RX, and TX pin respectively. * These pins, for this example, are defined in mbed_app.json */ //CAN can1(MBED_CONF_APP_CAN1_RD, MBED_CONF_APP_CAN1_TD); CAN can(PA_11, PA_12); //Serial pc(USBTX, USBRX); char counter = 123; char Carte2[] = "K2 "; char Carte2bb[] = "K2bb"; int Nb_messT = 0; int value_SW4=0; int detectionFrontSW1(void) { int frontDescendant = 0; static int etatPrecedent1=1; int bp = SW1.read(); if(bp!=etatPrecedent1 && !bp) frontDescendant = 1; etatPrecedent1= bp; return frontDescendant; } int detectionFrontSW2(void) { int frontDescendant = 0; static int etatPrecedent1=1; int bp = SW2.read(); if(bp!=etatPrecedent1 && !bp) frontDescendant = 1; etatPrecedent1= bp; return frontDescendant; } /* int detectionFrontSW3(void) { int frontDescendant = 0; static int etatPrecedent1=1; int bp = SW3.read(); if(bp!=etatPrecedent1 && !bp) frontDescendant = 1; etatPrecedent1= bp; return frontDescendant; } */ /* Test Arbitrage */ void AppuiSW3() { if (value_SW4 == 3) { if (can.write(CANMessage(60, Carte2bb, 5 , CANData, CANStandard))) { // Rmq : tableau = pointeur ledD8 = !ledD8; Nb_messT++; } } if (value_SW4 == 2) { if (can.write(CANMessage(48, Carte2bb, 5 , CANData, CANStandard))) { // Rmq : tableau = pointeur ledD8 = !ledD8; Nb_messT++; } } } int LectureSW4(){ int ETAT; int value_SW4_0 = SW4_0.read(); int value_SW4_1 = SW4_1.read(); if (value_SW4_1 == 1) { if (value_SW4_0 == 1) ETAT = 3; else ETAT = 2; } else { if (value_SW4_0 == 1) ETAT = 1; else ETAT = 0; } return ETAT; } int main() { //pc.baud(115200); //pc.printf("main()\n"); can.frequency(500000); CANMessage msg; char Donnees[8]=""; static int Nb_messR = 0; ledD6 = 1; ledD7 = 1; ledD8 = 1; ledD9 = 1; OLED.speed(SSD1306::Medium); // set working frequency OLED.init(); // initialize SSD1306 OLED.cls(); // clear frame buffer OLED.locate (0,0); OLED.printf ("NbRx = 0"); OLED.locate (1,0); OLED.printf ("NbTx = 0"); SW3.fall(&AppuiSW3); while (1) { //pc.printf("Reception message \n"); value_SW4 = LectureSW4(); if (detectionFrontSW1()) { if (value_SW4 == 0) { if (can.write(CANMessage(2021, Carte2, 5 , CANData, CANStandard))) { // Rmq : tableau = pointeur ledD6 = !ledD6; Nb_messT++; } } } /* if (detectionFrontSW2()) { if (value_SW4 == 0) { if (can.write(CANMessage(2021, CANStandard))) { // Remote frame ledD7 = !ledD7; Nb_messT++; } } } */ /* if (detectionFrontSW3()) { if (value_SW4 == 3) { if (can.write(CANMessage(60, Carte2bb, 5 , CANData, CANStandard))) { // Rmq : tableau = pointeur ledD8 = !ledD8; Nb_messT++; } } if (value_SW4 == 2) { if (can.write(CANMessage(48, Carte2bb, 5 , CANData, CANStandard))) { // Rmq : tableau = pointeur ledD8 = !ledD8; Nb_messT++; } } } */ if (can.read(msg)) { Nb_messR++; ledD9 = !ledD9; for (int i =0; i < msg.len; i++) Donnees[i] = msg.data[i]; //pc.printf("ID = 0x%.3x\r\n", msg.id); //ID sous forme 0x suivi de l'id //pc.printf("Length = %d\r\n", msg.len); //pc.printf("CAN rderrors : %d, CAN tderrors : %d\n", can.rderror(), can.tderror()); } OLED.locate (0,0); OLED.printf ("NbRx = %d", Nb_messR); OLED.locate (1,0); OLED.printf ("NbTx = %d", Nb_messT); OLED.locate (3,0); OLED.printf ("Message recu "); OLED.locate (4,0); OLED.printf ("=> "); OLED.puts(Donnees); OLED.locate (6,0); OLED.printf("Valeur REC=%d", can.rderror()); OLED.locate (7,0); OLED.printf("Valeur TEC=%d", can.tderror()); OLED.redraw(); wait(0.2); } } /* Envoi d'une trame de requete */ /* void AppuiSW2() { if (can.write(CANMessage(1620, CANStandard ))) { ledD7 = !ledD7; } } */ /* Reset controleur après court-circuit */ /* void AppuiSW3() { if (can.write(CANMessage(2021, Reset, 6 , CANData, CANStandard))) // Rmq : tableau = pointeur ledD8 = !ledD8; else can.reset(); } */ /* Reset controleur après court-circuit */ /* void AppuiSW3() { can.reset(); OLED.cls(); OLED.locate (0,0); // set text cursor to line 3, column 1 OLED.printf ("GEII - Bus CAN"); // print to frame buffer OLED.locate (2,0); // set text cursor to line 3, column 1 OLED.printf ("SW1"); // print to frame buffer OLED.locate (3,0); // set text cursor to line 3, column 1 OLED.printf ("Envoi trame"); // print to frame buffer OLED.redraw(); } */ /* char *conversionIntChaine(int longueurChaine, int Valeur_int, char *ChaineAffichage) { while (longueurChaine >= 0) { ChaineAffichage[longueurChaine] = (Valeur_int % 10) + 48; Valeur_int /= 10; longueurChaine--; } return (ChaineAffichage); } */ /* OLED.locate (0,0); // set text cursor to line 3, column 1 OLED.printf ("GEII - Bus CAN"); // print to frame buffer OLED.locate (2,0); // set text cursor to line 3, column 1 OLED.printf ("SW1"); // print to frame buffer OLED.locate (3,0); // set text cursor to line 3, column 1 OLED.printf ("Envoi trame"); // print to frame buffer OLED.redraw(); */ /* char * itoa (int n) { char *a = malloc (long_int (n) + 1); int i; for (i = 0; n > 0; i++) { a[i] = n % 10 + 48; n = n / 10; } a[i + 1] = '\0'; return retourne (a); } char *create_str(int len, int n, int neg, char *str) { while (len >= 0) { str[len] = (n % 10) + 48; n /= 10; len--; } if (neg < 0) str[0] = '-'; return (str); } */