Revision 0:70a556780334, committed 2017-05-04

Comitter:

dotunhunter

Date:

Thu May 04 12:12:05 2017 +0000

Commit message:

First commit with working GUI and mbed code to obtain PPG data from AFE4404

Changed in this revision

diff -r 000000000000 -r 70a556780334 AFE4404.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/AFE4404.lib	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/dotunhunter/code/AFE4404/#e9068fdddb58

diff -r 000000000000 -r 70a556780334 EthernetInterface.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EthernetInterface.lib	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/sarahmarshy/code/EthernetInterface/#be165aa9a49b

diff -r 000000000000 -r 70a556780334 HTTPServer.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPServer.lib	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+https://developer.mbed.org/users/dotunhunter/code/HTTPServer/#0d9ea97a13f9

diff -r 000000000000 -r 70a556780334 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,100 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "HTTPServer.h"
+#include "mbed_rpc.h"
+#include "RPCFunction.h"
+#include "AFE_4404.h"
+
+EthernetInterface eth;  
+HTTPServer svr;
+
+int baudRate = 115200;
+Serial pc(USBTX, USBRX); 
+
+extern int32_t data;
+extern bool dataAvailable;
+// p22: rxSupplyEn, p8: txSupplyEn, p6: resetz, p7: powerEn,
+// p5: drdy, p21: clk, p9: sda, p10: scl   
+AFE_4404 afe(p22, p8, p6, p7, p5, p21, p9, p10);
+
+Thread rpcThread;
+//automatically lock rpcBusy when it's been used
+volatile bool rpcBusy = true;
+void afeRpc(Arguments *input, Reply *output);
+RPCFunction afeRpcFunction(&afeRpc, "afe");
+
+void afeRpc(Arguments *input, Reply *output){
+    
+    int32_t registerAddress;
+    int32_t registerData;
+    int32_t suspend; // prevents main from writing to data if it's 1 
+   
+    // prevent main loop from writing data to serial
+    rpcBusy = true;
+    Thread::wait(100);
+    
+    registerAddress = input->getArg<int32_t>();
+    registerData = input->getArg<int32_t>();
+    suspend = input->getArg<int32_t>();
+    
+    // write data to afe register
+    afe.writeData(
+        static_cast<uint8_t>(registerAddress), 
+        static_cast<uint32_t>(registerData));
+    
+    output->putData(registerAddress);
+    output->putData(registerData);
+    
+    // suspend serial writes in main loop. functionality isn't currently
+    // being used, so rpcBusy is always false in current C# GUI version
+    rpcBusy = (suspend == 1) ? true : false;
+}
+
+void rpcThreadRoutine() {
+    
+    printf("Setting up...\n");
+    eth.init();
+    
+    // wait for a while because the initialization doesn't work without the delay
+    // maybe the initialization is done asynchronously??
+    wait(10.0);
+    
+    int ethErr = eth.connect();
+    
+    if(ethErr < 0) 
+        printf("Error %d in setup.\n", ethErr);
+  
+    svr.addHandler<HTTPRpcRequestHandler>("/rpc");
+    //attach server to port 80
+    svr.start(80, &eth);
+    
+    // gives enough time to pause terminal application to obtain IP address
+    Thread::wait(2000);  
+    printf("Listening...\n");
+    
+    rpcBusy = false;
+    
+    //Listen indefinitely
+    while(true) {
+        svr.poll();
+        Thread::wait(1000);
+    }    
+}
+
+int main() {
+    
+    pc.baud(baudRate);
+    
+    rpcThread.start(rpcThreadRoutine);   
+    // spin until RPC is setup
+    while(rpcBusy) {}
+    
+    afe.powerUpSequence();
+    
+    while(true){
+        if(dataAvailable && !rpcBusy) {
+            pc.printf("%d ", data);  
+            dataAvailable = false;
+        } 
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r 70a556780334 mbed-rpc.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rpc.lib	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/teams/mbed/code/mbed-rpc/#33e21ae4d434

diff -r 000000000000 -r 70a556780334 mbed-rtos.lib
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#58563e6cba1e

diff -r 000000000000 -r 70a556780334 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu May 04 12:12:05 2017 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/ad3be0349dc5
\ No newline at end of file