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Depart L476 Version 1 Communication UART par BLE avec App Inventor Communication HC05 avec F411
Dependencies: mbed X_NUCLEO_IDB0XA1 BLE_API
Revision 14:ac6cbe6ffaab, committed 2020-11-17
- Comitter:
- dorianvoydie
- Date:
- Tue Nov 17 17:18:52 2020 +0000
- Parent:
- 13:38d6b18040c7
- Commit message:
- Version 1; Depart sur le L476; Communication UART par le BLE avec APP inventor
Changed in this revision
LIS3DH_spi.lib | Show diff for this revision Revisions of this file |
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 38d6b18040c7 -r ac6cbe6ffaab LIS3DH_spi.lib --- a/LIS3DH_spi.lib Mon Nov 09 18:12:58 2020 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +0,0 @@ -https://os.mbed.com/users/franzle/code/LIS3DH_spi/#ce2396b1c9a1
diff -r 38d6b18040c7 -r ac6cbe6ffaab main.cpp --- a/main.cpp Mon Nov 09 18:12:58 2020 +0000 +++ b/main.cpp Tue Nov 17 17:18:52 2020 +0000 @@ -2,69 +2,89 @@ #include "ble/BLE.h" #include "ble/services/UARTService.h" #include "Serial.h" -#include "LIS3DH.h" #include "stdlib.h" #define UART_BUFFER (UARTService::BLE_UART_SERVICE_MAX_DATA_LEN) -const static char DEVICE_NAME[] = "ObCP"; +const static char DEVICE_NAME[] = "OBCP"; UARTService *uartServicePtr; //PWM output -PwmOut PWMoutput(PB_1); //Main PWM output PwmOut Green(PC_8); //PWM Red LED -PwmOut Red(PC_6); //PWM Green LED -PwmOut Blue(PC_9); //PWM Blue LED - -//Accelerometer - -#define MOSI PC_12 -#define MISO PC_11 -#define CS PC_5 -#define SCLK PC_10 +PwmOut Red(PC_6); //PWM Red LED +PwmOut Blue(PC_9); //PWM Red LED // Def Peripheriques -DigitalIn myButton(PC_13); // USER BUTTON -//Init accelerometer -LIS3DH acc(MOSI, MISO, SCLK, CS, LIS3DH_DR_NR_LP_50HZ, LIS3DH_FS_2G); +InterruptIn myButton(PC_13); // USER BUTTON -Ticker Acceleration; +///////////Init HC05///////////////// +Serial HC05(D8, D2); +//Bluetooth +//Maitre (Arrivee) : ADDR = 98d3,b1,fd5c5d +//Esclave (Départ) : ADDR = 0019,10,08FCB5 +///////////////////////////////////// +//Ticker t; +////////////TIMER//////////////////// +Timer timer; +int begin; +int end; +float chrono=0; +void Timer_triggered() +{ + timer.start(); + begin = timer.read_ms(); + Blue=1; + wait(0.5); + Blue=0; +} +void Timer_Reset() +{ + timer.stop(); + begin=0; + end=0; + chrono=0; +} +///////////////////////////////////// + + +/////////COMMUNICATION/////////////// +void HC05_receive() +{ + char IncomingValue = HC05.getc(); + if(IncomingValue == 'u') { + end = timer.read_ms(); + timer.stop(); + chrono = end-begin; + + } +} +///////////////////////////////////// + + + + + + // Tableau et index de communication avec UART static char uartBuff[UART_BUFFER]; -// Variables contenant accelerations -double accX, accY, accZ; // Routine de traitement des erreurs void onBleError(ble_error_t error); /****************************************************/ /* Ticker actif lorsque la connexion BLE est présente */ /****************************************************/ -void ConnectedBLE(void) -{ - // Signal de vie: allumer et éteindre la LED - Green.period(1.0f); // période = 1 seconde - Green.write(0.01f); // élaire 1% de la période -} -void AccMeasurement(void) +void update(void) { - char outstrX[5]; - char outstrY[5]; - char outstrZ[5]; - - // Mesure des accélérations sur les 3 axes - accX = float(short((acc.read_reg(LIS3DH_OUT_X_H) << 8) | acc.read_reg(LIS3DH_OUT_X_L))) * 0.001F / 15; - accY = float(short((acc.read_reg(LIS3DH_OUT_Y_H) << 8) | acc.read_reg(LIS3DH_OUT_Y_L))) * 0.001F / 15; - accZ = float(short((acc.read_reg(LIS3DH_OUT_Z_H) << 8) | acc.read_reg(LIS3DH_OUT_Z_L))) * 0.001F / 15; + char train[5]; + float chrono_value = float(chrono)* 0.001F; //Transformation des valeurs numeriques en chaine de caracteres - sprintf(outstrX,"%5.2f",accX); - sprintf(outstrY,"%5.2f",accY); - sprintf(outstrZ,"%5.2f",accZ); - //Integre les trois chaines de caractere contenant les accelerations dans la chaine uartBuff - sprintf(uartBuff, "X%s Y%s Z%s", outstrX, outstrY, outstrZ) ; + sprintf(train,"%5.2f",chrono_value); + //Integre les trois chaines de caractere contenant les ts dans la chaine uartBuff + sprintf(uartBuff, "%s", train) ; //Envoie la chaine uartBuff sur le sevice TX UART BLE uartServicePtr->write(uartBuff, UARTService::BLE_UART_SERVICE_MAX_DATA_LEN); // Réinitialiser la chaîne uartBuff en entrant 0 dans les premiers caractères UART_BUFFER @@ -77,9 +97,8 @@ /*************************/ void BleConnectionCallback(const Gap::ConnectionCallbackParams_t *params) { - // Signal de connexion BLE: allume / éteint la LED avec une période de 1 seconde - ConnectedBLE(); - Acceleration.attach(AccMeasurement, 1); + Timer_Reset(); + update(); } /*****************************/ @@ -89,54 +108,39 @@ { (void)params; // Redémarrer la publicité - Acceleration.detach(); + Timer_Reset(); + update(); + BLE::Instance().gap().startAdvertising(); - PWMoutput.write(0.0f); + Blue.write(0.0f); Green.write(0.0f); Red.write(0.0f); - Blue.write(0.0f); } /***************************/ /* Rx de BLE et Rx vers USB*/ /***************************/ + void BleOnDataWrittenCallback(const GattWriteCallbackParams *params) { char reception[UART_BUFFER]; - char commande[2]; - float valeur; + char commande[3]; // Reçoit une chaîne de BLE if (params->handle == uartServicePtr->getTXCharacteristicHandle()) { // Copie de la chaine reçue dans reception sprintf(reception,"%s", params->data); // Copie dans la chaine commande des deux premier caracteres de la chaine reception - sprintf(commande,"%c%c", reception[0], reception[1]); - // Transformation des 3 caracteres suivants en valeur numerique - valeur = ((reception[2] - '0')* 100 + (reception[3] - '0')* 10 +(reception[4] - '0')) ; - valeur = valeur/255; - - if( strcmp(commande, "LR")==0) { - Red.period(0.01f); - Red.write(valeur); + sprintf(commande,"%c%c%c", reception[0], reception[1], reception[2]); + if( strcmp(commande, "RST" )==0 or strcmp(commande, "rst" )==0 ) { + Timer_Reset(); + update(); } - if( strcmp(commande, "LV")==0) { - Green.period(0.01f); - Green.write(valeur); - } - if( strcmp(commande, "LB")==0) { - Blue.period(0.01f); - Blue.write(valeur); - } - if( strcmp(commande, "PW")==0) { - PWMoutput.period(0.001f); - PWMoutput.write(valeur); - } - } } + /***************************/ /* Erreur sur le canal BLE */ /***************************/ @@ -188,6 +192,11 @@ // Attend les événements sur BLE while (true) { ble.waitForEvent(); + update(); + while(HC05.readable()) { + HC05_receive(); + } + wait(0.01); } } @@ -196,8 +205,8 @@ /********/ int main(void) { - //Définit le fonctionnement du bouton sur "PullDown": Open = '0'. L’autre mode de fonctionnement est PullUp - myButton.mode(PullDown); + HC05.baud(38400); + myButton.fall(&Timer_triggered); // Initialiser LED Green.write(0.0f); @@ -208,6 +217,5 @@ BLE &ble = BLE::Instance(); ble.init(bleInitComplete); /******* FIN initialise BLE ***********/ - }