rashmi v
created separate function for hex to char
Dependencies: SDFileSystem ds3231 eeprom_Nikita mbed testUniGraphic_150217
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SS_SensePOC2P0_11Dec2017_USERPID
by 
rashmi v
Diff: main.cpp
- Revision:
- 44:05dbea558c9a
- Parent:
- 43:85a7f399cb9d
- Child:
- 45:067673dae242
--- a/main.cpp Mon Sep 11 13:09:29 2017 +0000
+++ b/main.cpp Tue Sep 12 04:16:41 2017 +0000
@@ -13,13 +13,16 @@
#include "struct.h"
#include "battery.h"
#include "main.h"
+#define TIMER_RXACK_BTCONNECTION 10000
Serial gc(USBTX, USBRX);
DigitalIn q1(PTB11);
DigitalIn q(PTC5);
DigitalIn q3(PTC12);
DigitalIn BT(PTA5);
- //bluetooth status pin
+Serial blue1(PTC4,PTC3);
+uint32_t get_timer_bluetooth();
+ //bluetooth status pin
uint8_t touch(uint8_t state); // touch state
uint8_t display(uint8_t state1); // display state
static uint8_t nstate=0;
@@ -29,6 +32,9 @@
static uint32_t pid = 0; // patient ID
static bool file_created_status = false; //initialise file created to 0
static uint32_t filepid_btpid[2] = {};
+Timer bt_t; // timer
+
+
int main()
{
@@ -37,7 +43,7 @@
static uint8_t state_touch = 1;
static uint8_t state_t = 1; // state to transmit to bluetooth
static uint8_t state_r = 0; // state to receive from bluetooth
- uint8_t battery_voltage_condition = 0;
+// uint8_t battery_voltage_condition = 0;
DisableTouch();
@@ -70,30 +76,102 @@
case 3:
- DisableTouch(); // bluetooth send
- if(BT==1)
+ DisableTouch(); // bluetooth send
+ bt_t.start();
+ if(get_timer_bluetooth()<TIMER_RXACK_BTCONNECTION) // bluetooth connection timer 15 sec
{
- BT_connection() ; // displaying connection on bluetooth
- state_r=bt_send(state_t);
- main_state=4;
- }
- else
- BT_no_connection();
-
- break;
+
+ if(BT==1) // checking for bluetooth connection
+ {
+
+ bt_t.stop(); // stop the timer once connected to app
+ bt_t.reset();
+ BT_connection() ; // displaying connection on bluetooth
+ state_r=bt_send(state_t);
+ bt_t.start();
+
+ if (state_r==0) // if the state received is zero, then there is no new file to send
+ {
+ bt_t.stop(); // stop the timer once connected to app
+ bt_t.reset();
+ BT_finished(); // screen to display communication finished
+ screen_BT_return(); //screen to return back
+ EnableTouch();
+ main_state=1;
+ state_touch=12;
+ break;
+ }
+
+ else
+ {
+ main_state=4; // move to receving stste of bluetooth
+ }
+
+ }
+
+ else
+ {
+ BT_no_connection(); // display screen to show that there is no connection
+ }
+ }
+
+
+
+ else
+ {
+ BT_no_connection(); // display screen to show that there is no connection
+ gc.printf("stopped");
+ screen_BT_return(); // button to return
+ EnableTouch();
+ main_state=1;
+ state_touch=12;
+ bt_t.stop();
+ bt_t.reset();
+ }
+ break;
- case 4: DisableTouch();
- state_t=bt_receive(state_r); // bluetooth receive
- main_state=3;
- if(state_t ==0)
- {
- BT_finished();
- screen_BT_return();
- EnableTouch();
- main_state=1;
- state_touch=12; // jumping to touch case 12
- }
- break;
+ case 4: DisableTouch();
+
+ if(get_timer_bluetooth()<TIMER_RXACK_BTCONNECTION)
+ {
+ if (blue1.readable()) // if there is data to receive enter the loop
+ {
+ bt_t.stop();
+ bt_t.reset();
+ state_t=bt_receive(state_r);
+ if(state_t ==0) // if state_t is zero, there is no other file to send
+ {
+ //bt_t.stop();
+ //bt_t.reset();
+ BT_finished();
+ screen_BT_return();
+ EnableTouch();
+ main_state=1;
+ state_touch=12; // jumping to touch case 12
+ break;
+ }
+ else // move to bluetooth transmit if the states are 1,2,3,4
+ {
+ main_state=3;
+
+ } }
+ }
+
+
+ else
+ {
+ DisableTouch();
+ BT_no_connection(); // display screen to show that there is no connection
+ gc.printf("stopped");
+ screen_BT_return(); // button to return
+ EnableTouch();
+ main_state=1;
+ state_touch=12;
+ bt_t.stop();
+ bt_t.reset();
+ }
+
+ break;
}
}
@@ -454,3 +532,7 @@
}
+uint32_t get_timer_bluetooth()
+{
+ return bt_t.read_ms();
+}