Petter Bellander / Mbed 2 deprecated Saab-BT

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Dependencies:   mbed

RN52.cpp@4:3041a571b7a7, 2016-01-05 (annotated)

Committer:
petter
Date:
Tue Jan 05 22:10:16 2016 +0000
Revision:
4:3041a571b7a7
Parent:
2:10c60edc8573
Child:
5:8e468fef2754
Moved additional RN52 event data queries from main into RN52 class.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
petter 0:6cf6e566c0da 1 #include "RN52.h"
petter 0:6cf6e566c0da 2 #include "mbed.h"
petter 0:6cf6e566c0da 3
petter 0:6cf6e566c0da 4 // RN52 action command definitions
petter 0:6cf6e566c0da 5 #define PLAYPAUSE "AP\r"
petter 0:6cf6e566c0da 6 #define NEXTTRACK "AT+\r"
petter 0:6cf6e566c0da 7 #define PREVTRACK "AT-\r"
petter 0:6cf6e566c0da 8 #define CONNECT "B\r"
petter 0:6cf6e566c0da 9 #define DISCONNECT "@,1\r"
petter 0:6cf6e566c0da 10 #define REBOOT "R,1\r"
petter 0:6cf6e566c0da 11 #define VOLUMEUP "AV+\r"
petter 0:6cf6e566c0da 12 #define MAXVOLUME "SS,0F\r"
petter 0:6cf6e566c0da 13 #define GETSTATUS "Q\r"
petter 0:6cf6e566c0da 14 #define ASSISTANT "P\r"
petter 0:6cf6e566c0da 15 #define CALLER_ID "T\r"
petter 0:6cf6e566c0da 16 #define TRACK_METADATA "AD\r"
petter 0:6cf6e566c0da 17
petter 0:6cf6e566c0da 18
petter 0:6cf6e566c0da 19 Serial serial(p13, p14); // tx, rx
petter 0:6cf6e566c0da 20 DigitalIn event_pin(p20);
petter 0:6cf6e566c0da 21
petter 0:6cf6e566c0da 22 void RN52::init(){
petter 0:6cf6e566c0da 23 serial.baud(115200);
petter 0:6cf6e566c0da 24 printf("Serial baudrate set\r\n");
petter 0:6cf6e566c0da 25 }
petter 0:6cf6e566c0da 26
petter 4:3041a571b7a7 27 bool RN52::check_event(RN52_RESULT * rn52_result){
petter 0:6cf6e566c0da 28 static bool last = 0;
petter 4:3041a571b7a7 29 if((last == 1) && (event_pin == 0)) {
petter 4:3041a571b7a7 30 get(RN52_GETSTATUS, rn52_result);
petter 4:3041a571b7a7 31 switch (rn52_result->event) {
petter 4:3041a571b7a7 32 case RN52_CALLER_ID_EVENT:
petter 4:3041a571b7a7 33 get(RN52_CALLER_ID, rn52_result);
petter 4:3041a571b7a7 34 break;
petter 4:3041a571b7a7 35 case RN52_TRACK_CHANGE_EVENT:
petter 4:3041a571b7a7 36 get(RN52_TRACK_METADATA, rn52_result);
petter 4:3041a571b7a7 37 break;
petter 4:3041a571b7a7 38 }
petter 0:6cf6e566c0da 39 last = event_pin;
petter 4:3041a571b7a7 40 return 1;
petter 0:6cf6e566c0da 41 }
petter 0:6cf6e566c0da 42 last = event_pin;
petter 0:6cf6e566c0da 43 return 0;
petter 0:6cf6e566c0da 44 }
petter 0:6cf6e566c0da 45
petter 0:6cf6e566c0da 46
petter 0:6cf6e566c0da 47 bool RN52::set(RN52_COMMAND cmd){
petter 0:6cf6e566c0da 48 char response[40];
petter 0:6cf6e566c0da 49 switch (cmd) {
petter 0:6cf6e566c0da 50 case RN52_PLAYPAUSE:
petter 0:6cf6e566c0da 51 serial.printf(PLAYPAUSE);
petter 0:6cf6e566c0da 52 break;
petter 0:6cf6e566c0da 53 case RN52_NEXTTRACK:
petter 0:6cf6e566c0da 54 serial.printf(NEXTTRACK);
petter 0:6cf6e566c0da 55 break;
petter 0:6cf6e566c0da 56 case RN52_PREVTRACK:
petter 0:6cf6e566c0da 57 serial.printf(PREVTRACK);
petter 0:6cf6e566c0da 58 break;
petter 0:6cf6e566c0da 59 case RN52_CONNECT:
petter 0:6cf6e566c0da 60 serial.printf(CONNECT);
petter 0:6cf6e566c0da 61 break;
petter 0:6cf6e566c0da 62 case RN52_DISCONNECT:
petter 0:6cf6e566c0da 63 serial.printf(DISCONNECT);
petter 0:6cf6e566c0da 64 break;
petter 0:6cf6e566c0da 65 case RN52_REBOOT:
petter 0:6cf6e566c0da 66 serial.printf(REBOOT);
petter 0:6cf6e566c0da 67 break;
petter 0:6cf6e566c0da 68 case RN52_VOLUMEUP:
petter 0:6cf6e566c0da 69 serial.printf(VOLUMEUP);
petter 0:6cf6e566c0da 70 break;
petter 0:6cf6e566c0da 71 case RN52_MAXVOLUME:
petter 0:6cf6e566c0da 72 serial.printf(MAXVOLUME);
petter 0:6cf6e566c0da 73 break;
petter 0:6cf6e566c0da 74 case RN52_ASSISTANT:
petter 0:6cf6e566c0da 75 serial.printf(ASSISTANT);
petter 0:6cf6e566c0da 76 break;
petter 0:6cf6e566c0da 77 default:
petter 0:6cf6e566c0da 78 return false;
petter 0:6cf6e566c0da 79 }
petter 0:6cf6e566c0da 80 capture_response(response);
petter 0:6cf6e566c0da 81 return (response[0] == 'A');
petter 0:6cf6e566c0da 82 }
petter 0:6cf6e566c0da 83
petter 0:6cf6e566c0da 84 bool RN52::get(RN52_COMMAND cmd, RN52_RESULT * result){
petter 0:6cf6e566c0da 85 switch (cmd) {
petter 4:3041a571b7a7 86 case RN52_GETSTATUS: {
petter 0:6cf6e566c0da 87 serial.printf(GETSTATUS);
petter 0:6cf6e566c0da 88 capture_response(result->response);
petter 2:10c60edc8573 89 int response_value = strtoul(result->response, NULL, 16);
petter 2:10c60edc8573 90 result->media_connected = (response_value & (1 << 10)) >> 10; //byte 0, bit 2
petter 2:10c60edc8573 91 result->phone_connected = (response_value & (1 << 11)) >> 11; //byte 0, bit 3
petter 2:10c60edc8573 92 result->connection = (RN52_CONNECTION)(response_value & 0x0F); //byte 1, bits 0-3
petter 4:3041a571b7a7 93 switch (response_value & 0x3000) {
petter 4:3041a571b7a7 94 case 0x1000: //byte 0, bit 4
petter 4:3041a571b7a7 95 result->event = RN52_CALLER_ID_EVENT;
petter 4:3041a571b7a7 96 break;
petter 4:3041a571b7a7 97 case 0x2000: //byte 0, bit 5
petter 4:3041a571b7a7 98 result->event = RN52_TRACK_CHANGE_EVENT;
petter 4:3041a571b7a7 99 break;
petter 4:3041a571b7a7 100 default:
petter 4:3041a571b7a7 101 result->event = RN52_NO_EVENT;
petter 4:3041a571b7a7 102 break;
petter 0:6cf6e566c0da 103 }
petter 0:6cf6e566c0da 104 break;
petter 4:3041a571b7a7 105 } //added to create local scope of response_value
petter 0:6cf6e566c0da 106 case RN52_CALLER_ID:
petter 0:6cf6e566c0da 107 serial.printf(CALLER_ID);
petter 0:6cf6e566c0da 108 capture_response(result->response);
petter 0:6cf6e566c0da 109 //parse the response
petter 0:6cf6e566c0da 110 break;
petter 0:6cf6e566c0da 111 case RN52_TRACK_METADATA:
petter 0:6cf6e566c0da 112 serial.printf(TRACK_METADATA);
petter 0:6cf6e566c0da 113 capture_response(result->response);
petter 0:6cf6e566c0da 114 //parse the response
petter 4:3041a571b7a7 115 break;
petter 0:6cf6e566c0da 116 default:
petter 0:6cf6e566c0da 117 return 0;
petter 0:6cf6e566c0da 118 }
petter 0:6cf6e566c0da 119 return 1;
petter 0:6cf6e566c0da 120 }
petter 0:6cf6e566c0da 121
petter 0:6cf6e566c0da 122
petter 0:6cf6e566c0da 123 void RN52::capture_response(char * str){
petter 0:6cf6e566c0da 124 char c = ' ';
petter 0:6cf6e566c0da 125 char n = 0;
petter 0:6cf6e566c0da 126 while(c != '\n') {
petter 0:6cf6e566c0da 127 if(serial.readable()) {
petter 0:6cf6e566c0da 128 c = serial.getc();
petter 0:6cf6e566c0da 129 str[n] = c;
petter 0:6cf6e566c0da 130 n++;
petter 0:6cf6e566c0da 131 }
petter 0:6cf6e566c0da 132 }
petter 0:6cf6e566c0da 133 str[n] = '\0';
petter 0:6cf6e566c0da 134 }