ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

I2C test: let slave time to get notified 

depending on timing and HW, there might be some delay before the master
request gets notified, so better loop in while than a single call
to slave.receive()
pull/3488/head
Laurent MEUNIER 2016-12-19 11:31:41 +01:00
parent 70667349ee
commit d67b431f17
1 changed files with 4 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
features/unsupported/tests/mbed/i2c_master_slave/main.cpp
View File

@ -89,11 +89,8 @@ int main()
master.start(); master.start();
master.write(ADDR); master.write(ADDR);
master.write(sent); master.write(sent);
if(slave.receive() != I2CSlave::WriteAddressed) while(slave.receive() != I2CSlave::WriteAddressed);
{
notify_completion(false);
return 1;
}
slave.read(&received, 1); slave.read(&received, 1);
if(sent != received) if(sent != received)
{ {
@ -105,11 +102,8 @@ int main()
// Second transfer: slave to master // Second transfer: slave to master
master.start(); master.start();
master.write(ADDR | 1); master.write(ADDR | 1);
if(slave.receive() != I2CSlave::ReadAddressed) while(slave.receive() != I2CSlave::ReadAddressed);
{
notify_completion(false);
return 1;
}
slave.write(received); slave.write(received);
received = master.read(0); received = master.read(0);
slave.stop(); slave.stop();