Seeed / Mbed 2 deprecated Arch_GPRS_V2_Serial_Debug

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Dependencies:   USBDevice mbed

Fork of Arch_GPRS_V2_Serial_Debug by wei zou

main.cpp@1:ba5061c882ea, 2014-04-28 (annotated)

Committer:
lawliet
Date:
Mon Apr 28 01:56:27 2014 +0000
Revision:
1:ba5061c882ea
Parent:
0:38b190020352 
Version 1.0 (update the power up function)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lawliet 0:38b190020352 1 /*
lawliet 0:38b190020352 2 main.cpp
lawliet 0:38b190020352 3 2014 Copyright (c) Seeed Technology Inc. All right reserved.
lawliet 0:38b190020352 4
lawliet 0:38b190020352 5 Author:lawliet zou(lawliet.zou@gmail.com)
lawliet 0:38b190020352 6 2014-4-26
lawliet 0:38b190020352 7
lawliet 0:38b190020352 8 This library is free software; you can redistribute it and/or
lawliet 0:38b190020352 9 modify it under the terms of the GNU Lesser General Public
lawliet 0:38b190020352 10 License as published by the Free Software Foundation; either
lawliet 0:38b190020352 11 version 2.1 of the License, or (at your option) any later version.
lawliet 0:38b190020352 12
lawliet 0:38b190020352 13 This library is distributed in the hope that it will be useful,
lawliet 0:38b190020352 14 but WITHOUT ANY WARRANTY; without even the implied warranty of
lawliet 0:38b190020352 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
lawliet 0:38b190020352 16 Lesser General Public License for more details.
lawliet 0:38b190020352 17
lawliet 0:38b190020352 18 You should have received a copy of the GNU Lesser General Public
lawliet 0:38b190020352 19 License along with this library; if not, write to the Free Software
lawliet 0:38b190020352 20 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
lawliet 0:38b190020352 21 */
lawliet 0:38b190020352 22
lawliet 0:38b190020352 23 #include "mbed.h"
lawliet 0:38b190020352 24 #include "USBSerial.h"
lawliet 0:38b190020352 25
lawliet 0:38b190020352 26 #define PIN_PWR P1_2 //power up gprs module
lawliet 1:ba5061c882ea 27 #define PIN_PWR_KEY P1_7
lawliet 0:38b190020352 28 #define PIN_TX P1_27 //Serial tx pin
lawliet 0:38b190020352 29 #define PIN_RX P1_26 //Serial rx pin
lawliet 0:38b190020352 30
lawliet 0:38b190020352 31 DigitalOut power(PIN_PWR);
lawliet 1:ba5061c882ea 32 DigitalOut powerKey(PIN_PWR_KEY);
lawliet 0:38b190020352 33 Serial gprs(PIN_TX, PIN_RX);
lawliet 0:38b190020352 34 USBSerial pc;
lawliet 0:38b190020352 35
lawliet 0:38b190020352 36 // Called by ISR
lawliet 0:38b190020352 37 void settingsChanged(int baud, int bits, int parity, int stop)
lawliet 0:38b190020352 38 {
lawliet 0:38b190020352 39 const Serial::Parity parityTable[] = {Serial::None, Serial::Odd, Serial::Even, Serial::Forced0, Serial::Forced1};
lawliet 0:38b190020352 40
lawliet 0:38b190020352 41 if (stop != 2) {
lawliet 0:38b190020352 42 stop = 1; // stop bit(s) = 1 or 1.5
lawliet 0:38b190020352 43 }
lawliet 0:38b190020352 44
lawliet 0:38b190020352 45 gprs.baud(baud);
lawliet 0:38b190020352 46 gprs.format(bits, parityTable[parity], stop);
lawliet 0:38b190020352 47 }
lawliet 0:38b190020352 48
lawliet 1:ba5061c882ea 49 /* power pin: low enable
lawliet 1:ba5061c882ea 50 ___
lawliet 1:ba5061c882ea 51 |___
lawliet 1:ba5061c882ea 52
lawliet 1:ba5061c882ea 53 powerKey pin: you can also power up by long press the powerKey.
lawliet 1:ba5061c882ea 54
lawliet 1:ba5061c882ea 55 ___
lawliet 1:ba5061c882ea 56 ___| |___
lawliet 1:ba5061c882ea 57
lawliet 1:ba5061c882ea 58 */
lawliet 0:38b190020352 59 void gprsPowerUp(void)
lawliet 0:38b190020352 60 {
lawliet 1:ba5061c882ea 61 power = 1;
lawliet 1:ba5061c882ea 62 wait(2);
lawliet 0:38b190020352 63 power = 0;
lawliet 1:ba5061c882ea 64 wait(2);
lawliet 1:ba5061c882ea 65
lawliet 1:ba5061c882ea 66 powerKey = 0;
lawliet 1:ba5061c882ea 67 wait(1);
lawliet 1:ba5061c882ea 68 powerKey = 1;
lawliet 1:ba5061c882ea 69 wait(2);
lawliet 1:ba5061c882ea 70 powerKey = 0;
lawliet 1:ba5061c882ea 71 wait(3);
lawliet 1:ba5061c882ea 72
lawliet 0:38b190020352 73 }
lawliet 0:38b190020352 74
lawliet 0:38b190020352 75 int main()
lawliet 0:38b190020352 76 {
lawliet 1:ba5061c882ea 77 pc.attach(settingsChanged);
lawliet 1:ba5061c882ea 78 pc.printf("wait for GPRS power up...");
lawliet 0:38b190020352 79 gprsPowerUp();
lawliet 1:ba5061c882ea 80 pc.printf("gprs Power up success\n");
lawliet 0:38b190020352 81
lawliet 0:38b190020352 82 while (1) {
lawliet 0:38b190020352 83 while (gprs.readable()) {
lawliet 0:38b190020352 84 pc.putc(gprs.getc());
lawliet 0:38b190020352 85 }
lawliet 0:38b190020352 86
lawliet 0:38b190020352 87 while (pc.readable()) {
lawliet 0:38b190020352 88 gprs.putc(pc.getc());
lawliet 0:38b190020352 89 }
lawliet 0:38b190020352 90 }
lawliet 0:38b190020352 91 }