christian b
WiflyLib
Last commit 11 May 2012
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Pull RequestsRevision 0:4e56656eaa5a, committed 11 May 2012
- Comitter:
christian b- Date:
- Fri May 11 00:23:48 2012 +0000
- Commit message:
Changed in this revision
Show diff for this revision
Revisions of this file--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MODSERIAL.lib Fri May 11 00:23:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/MODSERIAL/#c11ea36f17f9
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri May 11 00:23:48 2012 +0000
@@ -0,0 +1,36 @@
+#include "mbed.h"
+#include "wifly.h"
+
+DigitalOut myled(LED1);
+wifly d(p28,p27,p29);
+Serial pc(USBTX,USBRX);
+
+int main() {
+ if(d.wiflyInit()){
+ pc.printf("Wifly Alive!\n\r");
+ }
+ else{
+ return -1;
+ }
+ if(d.CmdMode()){
+ pc.printf("Succesful Entry in command mode!\n\r");
+ }
+ else{
+ pc.printf("Critical Error Fail!\n\r");
+ return -1;
+ }
+ wait(1.0);
+ if(d.EndCmdMode()){
+ pc.printf("Succesful Exited command mode!\n\r");
+ }
+ else{
+ pc.printf("Critical Error Fail!\n\r");
+ return -1;
+ }
+ while(1) {
+ myled = 1;
+ wait(0.2);
+ myled = 0;
+ wait(0.2);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri May 11 00:23:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/737756e0b479
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wifly.cpp Fri May 11 00:23:48 2012 +0000
@@ -0,0 +1,62 @@
+#include "mbed.h"
+#include "wifly.h"
+
+wifly::wifly( PinName tx, PinName rx, PinName _reset ): wifi(tx, rx), reset_pin(_reset) {
+ reset_pin = 0;
+
+
+
+}
+
+bool wifly::wiflyInit(void){
+ wifi.baud(9600);
+ reset_pin = 1;
+ if(!WaitForConfirmation(RDY_PHRASE)) return 0;
+
+ //wifi.attach(this, &wifly::handler_rx, MODSERIAL::RxIrq);
+ return 1;
+}
+
+
+bool wifly::WaitForConfirmation(const char * tbl){
+ char x = 0;
+ t.start();
+ t.reset();
+ do{
+ if(wifi.readable()){
+ if(wifi.getc() == tbl[x])x++;
+ }
+ if(t.read_ms() > WAIT_TIME_OUT){
+ t.stop();
+ return 0;
+ }
+ }
+ while(tbl[x] != '\0'); //whole command received!
+ t.stop();
+ return 1;
+}
+
+/*
+*/
+bool wifly::CmdMode(void){
+ while(DataRxInProgress); //we have to wait till packet has come in
+
+ //now we are set to send commands
+ wifi.printf("$$$");
+ return WaitForConfirmation(ENTER_CMD);
+}
+/*
+*/
+bool wifly::EndCmdMode(void){
+ bool result;
+ wifi.printf("exit\r");
+ result = WaitForConfirmation(EXIT_CMD);
+ return result;
+}
+
+
+void wifly::handler_rx(void) {
+ char c = wifi.getc();
+}
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wifly.h Fri May 11 00:23:48 2012 +0000
@@ -0,0 +1,111 @@
+/**
+* @author Christian Brisson
+*
+* @section LICENSE
+*
+* Copyright (c) 2011 mbed
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy
+* of this software and associated documentation files (the "Software"), to deal
+* in the Software without restriction, including without limitation the rights
+* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+* copies of the Software, and to permit persons to whom the Software is
+* furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in
+* all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+* THE SOFTWARE.
+*
+* @section DESCRIPTION
+*
+* Wifly RN131-C, wifi module
+*
+* Datasheet:
+*
+* http://www.sparkfun.com/datasheets/Wireless/WiFi/WiFlyGSX-um2.pdf
+*/
+#ifndef WIFLY_H
+#define WIFLY_H
+
+#include "mbed.h"
+#define MODSERIAL_DEFAULT_RX_BUFFER_SIZE 256
+#define MODSERIAL_DEFAULT_TX_BUFFER_SIZE 32
+#include "MODSERIAL.h"
+
+
+
+#define RX_BUFFER_SIZE 256
+#define END_LINE 0x0A
+#define SPACE 0x20
+#define WAIT_TIME_OUT 5000 //5seconds
+#define DATAMODE true
+#define CMDMODE false
+
+const char RDY_PHRASE[] = "*READY*\0"; // + 0d 0a
+const char ACK_PHRASE[] = "AOK\0" ; //always +0d 0a
+const char ENTER_CMD[] = {'C','M','D',0x0D,0x0A,'\0'};
+const char EXIT_CMD[] = {0x0D,'E','X','I','T',0x0D,0x0A,'\0'};
+
+class wifly {
+
+ public:
+ /*
+ */
+ wifly( PinName tx, PinName rx, PinName reset);
+ /*
+ return 0 if no response from wifly within 5 seconds
+ This fonctions waits the the *READY* sequence from wifly
+ return 1 if sequence received!
+ */
+ bool wiflyInit(void);
+ /*
+ */
+ void ResetBuffer(void);
+ /*
+ */
+ bool CmdMode(void);
+ /*
+ */
+ bool EndCmdMode(void);
+ /*
+ */
+ bool WaitForConfirmation(const char * tbl);
+ /*
+ */
+ void Push(char c);
+ /*
+ */
+ char Pop(void);
+ /*
+ */
+ int readable(void);
+
+
+
+ private:
+ void SwitchToCmdBuffer(void);
+ void SwitchToDataBuffer(void);
+ void InitBuffer(void);
+
+ Timer t;
+ MODSERIAL wifi;
+ DigitalOut reset_pin;
+ bool Mode; //true : datamode false : cmdmode
+ bool DataRxInProgress;
+ //circular rx buffer stuff
+ char RxBuffer[RX_BUFFER_SIZE+1];
+ int RxR,RxW;
+ int RxCnt;
+
+ void handler_rx(void);
+ bool WasReset;
+ bool wifly_rdy;
+};
+#endif
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