In PSOC Creator there are a number of examples using UART you can
look at. Note a UART to PC connection requires a MAX232 or equivalent
RS232 level translator between PSOC and PC to get the correct levels
for the RS232 Standard. Creator start page, "Find Example projects"
Some PSOC BLE projects - https://secure.cypress.com/?rID=107402 BLE 100 projects in 100 days