Tool/software: Code Composer Studio
When I add System_printf and System_flush function into simple_peripheral project ,System_printf can print message to Console on debugger successfully. However , as long as ,System_printf is added into "case GAPROLE_CONNECTED" as shown in picture 1 ,bluetooth connection will be timeout ,as shown in picture 2 and 3.
How to make bluetootn connection success with System_printf used at the same time ?
picture 1
picture 2
picture 3
My steps of adding System_printf function into simple_peripheral project is as followed:
1、Add header files , System_printf and System_flush in simple_peripheral.c:
/*********************** simple_peripheral.c ******************************/ /* XDC Module Headers */ #include <xdc/std.h> #include <xdc/runtime/System.h> /* BIOS Module Headers */ #include <ti/sysbios/BIOS.h> ......
2、Add System_printf into "SimpleBLEPeripheral_processStateChangeEvt"
/*********************** simple_peripheral.c ******************************/
static void SimpleBLEPeripheral_processStateChangeEvt(gaprole_States_t newState)
{
......
switch ( newState )
{
......
case GAPROLE_CONNECTED:
{
......
if ( linkDB_GetInfo( numActive - 1, &linkInfo ) == SUCCESS )
{
Display_print1(dispHandle, SBP_ROW_ROLESTATE, 0, "Num Conns: %d", (uint16_t)numActive);
Display_print0(dispHandle, SBP_ROW_STATUS_1, 0, Util_convertBdAddr2Str(linkInfo.addr));
//1 this will cause BLE connection timeout
System_printf("Num n Conns\n");
System_flush();
}
else
{
......
}
......
#ifdef PLUS_BROADCASTER
......
#endif // PLUS_BROADCASTER
//2 this will cause BLE connection timeout
System_printf("GAPROLE_CONNECTED\n");
System_flush();
}
break;
......
}
}
3、Add configuring funcitons in app_ble.cfg
/*********************** app_ble.cfg ******************************/
utils.importFile("common/cc26xx/kernel/cc2640/config/cc2640_r2_csdk.cfg");
utils.importFile("common/cc26xx/kernel/cc2640/config/ble_stack_heap.cfg");
//this statement must be at the bottom of app_ble.cfg
var SysStd = xdc.useModule('xdc.runtime.SysStd');
var System = xdc.useModule('xdc.runtime.System');
System.SupportProxy = SysStd;
Attachments:
1、the positon of simple_peripheral project in my computer is as followed:
C:\ti\simplelink_cc2640r2_sdk_1_40_00_45\examples\rtos\CC2640R2_LAUNCHXL\ble5stack\simple_peripheral
2、my complete workspace can be downloaded from here:
3、you can download the project in simplelink_cc2640r2_sdk_1_40_00_45 from the following website:
4、my develop invironment:
CCS:Code Composer Studio 7.2.0
SDK:simplelink_cc2640r2_sdk_1_40_00_45
hardware:CC26640R2 develop kit
