Rainer Raul / atterm

Communicate to bluetooth devices or wifi per at-commands

Dependents:   Nucleo_bt

at.cpp@7:0ee37a450b12, 2019-04-05 (annotated)

Committer:
rainerraul
Date:
Fri Apr 05 18:55:24 2019 +0000
Revision:
7:0ee37a450b12
Parent:
6:194ceedbb7c3 
change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rainerraul 0:413f3c13a00a 1
rainerraul 0:413f3c13a00a 2 #include "mbed.h"
rainerraul 0:413f3c13a00a 3 #include "at.h"
rainerraul 0:413f3c13a00a 4
rainerraul 0:413f3c13a00a 5 #define TX PA_9
rainerraul 0:413f3c13a00a 6 #define RX PA_10
rainerraul 0:413f3c13a00a 7
rainerraul 0:413f3c13a00a 8 #define TX1 PC_6
rainerraul 0:413f3c13a00a 9 #define RX1 PC_7
rainerraul 0:413f3c13a00a 10
rainerraul 0:413f3c13a00a 11 Serial atserial0(TX, RX); //UART1
rainerraul 0:413f3c13a00a 12 Serial atserial1(TX1, RX1); //UART6
rainerraul 4:96aa57261092 13 Serial terminal(USBTX, USBRX); //UART Terminal
rainerraul 0:413f3c13a00a 14
rainerraul 0:413f3c13a00a 15 atterm at0;
rainerraul 0:413f3c13a00a 16 atterm at1;
rainerraul 4:96aa57261092 17 atterm pc;
rainerraul 4:96aa57261092 18
rainerraul 1:ce7fb335aa1b 19 Timer t;
rainerraul 0:413f3c13a00a 20
rainerraul 0:413f3c13a00a 21 void CallBack0()
rainerraul 0:413f3c13a00a 22 {
rainerraul 0:413f3c13a00a 23 at0.sign = atserial0.getc();
rainerraul 0:413f3c13a00a 24
rainerraul 0:413f3c13a00a 25
rainerraul 7:0ee37a450b12 26 if((at0.sign != '\r') && (at0.sign != '\n')) { //with no linefeed and carriage return, string is written in buffer
rainerraul 0:413f3c13a00a 27 at0.buffer[at0.a] = at0.sign;
rainerraul 0:413f3c13a00a 28 at0.a ++;
rainerraul 2:b8d28a4f6b02 29 } else { //if cr and lf were received , the content of buffer is send to atcommand device
rainerraul 0:413f3c13a00a 30
rainerraul 0:413f3c13a00a 31 if(at0.off == 0) {
rainerraul 0:413f3c13a00a 32 atserial0.printf("Read: %s\r\n", at0.buffer); // via printf formatted as string for debug use
rainerraul 0:413f3c13a00a 33 }
rainerraul 0:413f3c13a00a 34
rainerraul 0:413f3c13a00a 35 }
rainerraul 0:413f3c13a00a 36 }
rainerraul 0:413f3c13a00a 37
rainerraul 0:413f3c13a00a 38 void CallBack1()
rainerraul 0:413f3c13a00a 39 {
rainerraul 0:413f3c13a00a 40 at1.sign = atserial1.getc();
rainerraul 0:413f3c13a00a 41
rainerraul 0:413f3c13a00a 42
rainerraul 7:0ee37a450b12 43 if((at1.sign != '\r') && (at1.sign != '\n')) { //with no linefeed and carriage return, string is written in buffer
rainerraul 0:413f3c13a00a 44 at1.buffer[at1.a] = at1.sign;
rainerraul 0:413f3c13a00a 45 at1.a ++;
rainerraul 2:b8d28a4f6b02 46 } else { //if cr and lf were received, the content of buffer is send to atcommand device
rainerraul 0:413f3c13a00a 47
rainerraul 0:413f3c13a00a 48 if(at1.off == 0) {
rainerraul 0:413f3c13a00a 49 atserial1.printf("Read: %s\r\n", at1.buffer); // via printf formatted as string for debug use
rainerraul 0:413f3c13a00a 50 }
rainerraul 0:413f3c13a00a 51
rainerraul 0:413f3c13a00a 52 }
rainerraul 0:413f3c13a00a 53 }
rainerraul 0:413f3c13a00a 54
rainerraul 4:96aa57261092 55 void CallBack2()
rainerraul 4:96aa57261092 56 {
rainerraul 4:96aa57261092 57 pc.sign = terminal.getc();
rainerraul 4:96aa57261092 58
rainerraul 4:96aa57261092 59
rainerraul 6:194ceedbb7c3 60 if((pc.sign != '\r') && (pc.sign != '\n')) { //with no linefeed and carriage return, string is written in buffer
rainerraul 5:31306be5fde6 61 pc.buffer[pc.a] = pc.sign;
rainerraul 4:96aa57261092 62 pc.a ++;
rainerraul 4:96aa57261092 63 } else { //if cr and lf were received, the content of buffer is send to atcommand device
rainerraul 4:96aa57261092 64
rainerraul 4:96aa57261092 65 if(at1.off == 0) {
rainerraul 4:96aa57261092 66 terminal.printf("Read: %s\r\n", pc.buffer); // via printf formatted as string for debug use
rainerraul 4:96aa57261092 67 }
rainerraul 4:96aa57261092 68
rainerraul 4:96aa57261092 69 }
rainerraul 4:96aa57261092 70 }
rainerraul 4:96aa57261092 71
rainerraul 0:413f3c13a00a 72 void atterm::debug_off(bool l)
rainerraul 0:413f3c13a00a 73 {
rainerraul 0:413f3c13a00a 74 if(l) atterm::off = 1;
rainerraul 0:413f3c13a00a 75 if(!l) atterm::off = 0;
rainerraul 0:413f3c13a00a 76 }
rainerraul 0:413f3c13a00a 77
rainerraul 0:413f3c13a00a 78 void atterm::at_send(char *format, char *buf)
rainerraul 0:413f3c13a00a 79 {
rainerraul 0:413f3c13a00a 80 atserial0.printf(format, buf);
rainerraul 0:413f3c13a00a 81 }
rainerraul 0:413f3c13a00a 82
rainerraul 0:413f3c13a00a 83 void atterm::clear()
rainerraul 0:413f3c13a00a 84 {
rainerraul 0:413f3c13a00a 85 memset(atterm::buffer, 0, sizeof(atterm::buffer)); //set buffer to 0, for next clean read
rainerraul 0:413f3c13a00a 86 atterm::a = 0; //index pointer to zero
rainerraul 0:413f3c13a00a 87
rainerraul 0:413f3c13a00a 88 }
rainerraul 0:413f3c13a00a 89
rainerraul 1:ce7fb335aa1b 90 void atterm::device_init(unsigned long baud, _IRQ interrupt)
rainerraul 0:413f3c13a00a 91 {
rainerraul 0:413f3c13a00a 92 atterm::debug_off(1);
rainerraul 2:b8d28a4f6b02 93 if(interrupt == ON) {
rainerraul 2:b8d28a4f6b02 94 atserial0.attach(&CallBack0);
rainerraul 2:b8d28a4f6b02 95 }
rainerraul 0:413f3c13a00a 96 atserial0.baud(baud);
rainerraul 2:b8d28a4f6b02 97
rainerraul 0:413f3c13a00a 98 }
rainerraul 0:413f3c13a00a 99
rainerraul 0:413f3c13a00a 100 void atterm::at_send1(char *format, char *buf)
rainerraul 0:413f3c13a00a 101 {
rainerraul 0:413f3c13a00a 102 atserial1.printf(format, buf);
rainerraul 0:413f3c13a00a 103 }
rainerraul 0:413f3c13a00a 104
rainerraul 0:413f3c13a00a 105
rainerraul 0:413f3c13a00a 106
rainerraul 1:ce7fb335aa1b 107 void atterm::device_init1(unsigned long baud, _IRQ interrupt)
rainerraul 0:413f3c13a00a 108 {
rainerraul 0:413f3c13a00a 109 atterm::debug_off(1);
rainerraul 2:b8d28a4f6b02 110 if(interrupt == ON) {
rainerraul 2:b8d28a4f6b02 111 atserial1.attach(&CallBack1);
rainerraul 2:b8d28a4f6b02 112 }
rainerraul 0:413f3c13a00a 113 atserial1.baud(baud);
rainerraul 1:ce7fb335aa1b 114 at1.at_send1("AT\r\n", "");
rainerraul 1:ce7fb335aa1b 115
rainerraul 1:ce7fb335aa1b 116 }
rainerraul 1:ce7fb335aa1b 117
rainerraul 4:96aa57261092 118 void atterm::pc_send(char *format, char *buf)
rainerraul 4:96aa57261092 119 {
rainerraul 4:96aa57261092 120 terminal.printf(format, buf);
rainerraul 4:96aa57261092 121 }
rainerraul 4:96aa57261092 122
rainerraul 5:31306be5fde6 123 void atterm::terminal_init(unsigned long baud, _IRQ interrupt)
rainerraul 4:96aa57261092 124 {
rainerraul 4:96aa57261092 125 atterm::debug_off(1);
rainerraul 4:96aa57261092 126 if(interrupt == ON) {
rainerraul 4:96aa57261092 127 terminal.attach(&CallBack2);
rainerraul 4:96aa57261092 128 }
rainerraul 4:96aa57261092 129 terminal.baud(baud);
rainerraul 4:96aa57261092 130 pc.pc_send("*****Terminal*******\r\n", "");
rainerraul 4:96aa57261092 131
rainerraul 4:96aa57261092 132 }
rainerraul 4:96aa57261092 133
rainerraul 4:96aa57261092 134
rainerraul 1:ce7fb335aa1b 135 char *atterm::getAnswer(uint32_t timeout)
rainerraul 1:ce7fb335aa1b 136 {
rainerraul 5:31306be5fde6 137 int b = 0, b1 = 0, b2 = 0;
rainerraul 3:cdabd56aec53 138 uint32_t t_time = 0;
rainerraul 4:96aa57261092 139 char sign, sign1, sign2;
rainerraul 1:ce7fb335aa1b 140
rainerraul 1:ce7fb335aa1b 141 memset(read_timed_buffer, 0, sizeof(read_timed_buffer));
rainerraul 1:ce7fb335aa1b 142
rainerraul 1:ce7fb335aa1b 143 t.start();
rainerraul 3:cdabd56aec53 144 t_time = t.read_ms();
rainerraul 0:413f3c13a00a 145
rainerraul 1:ce7fb335aa1b 146 while(1) {
rainerraul 1:ce7fb335aa1b 147 if(atserial0.readable()) {
rainerraul 1:ce7fb335aa1b 148 sign = atserial0.getc();
rainerraul 1:ce7fb335aa1b 149 read_timed_buffer[b] = sign;
rainerraul 1:ce7fb335aa1b 150 b ++;
rainerraul 1:ce7fb335aa1b 151 }
rainerraul 0:413f3c13a00a 152
rainerraul 1:ce7fb335aa1b 153 else if(atserial1.readable()) {
rainerraul 1:ce7fb335aa1b 154 sign1 = atserial1.getc();
rainerraul 5:31306be5fde6 155 read_timed_buffer[b1] = sign1;
rainerraul 5:31306be5fde6 156 b1 ++;
rainerraul 1:ce7fb335aa1b 157 }
rainerraul 4:96aa57261092 158
rainerraul 4:96aa57261092 159 else if(terminal.readable()) {
rainerraul 4:96aa57261092 160 sign2 = terminal.getc();
rainerraul 5:31306be5fde6 161 read_timed_buffer[b2] = sign2;
rainerraul 5:31306be5fde6 162 b2 ++;
rainerraul 4:96aa57261092 163 }
rainerraul 4:96aa57261092 164
rainerraul 3:cdabd56aec53 165 if((t.read_ms() - t_time) > timeout) {
rainerraul 1:ce7fb335aa1b 166 t.stop();
rainerraul 1:ce7fb335aa1b 167 t.reset();
rainerraul 1:ce7fb335aa1b 168 break;
rainerraul 1:ce7fb335aa1b 169
rainerraul 1:ce7fb335aa1b 170 }
rainerraul 1:ce7fb335aa1b 171
rainerraul 1:ce7fb335aa1b 172 }
rainerraul 1:ce7fb335aa1b 173 return read_timed_buffer;
rainerraul 0:413f3c13a00a 174 }