Printf for SDK 8.1.0 and nrf51 DK (PCA10028)

Question

Can you please provide any information how to implement printf debug output for nrf51 DK (PCA10028) using SDK 8.0.1 and Keil?

gaminn · Accepted Answer

I get it. I added app_uart module from Keil packages to my project, then used 
 uint32_t err_code;
 const app_uart_comm_params_t comm_params =
 {
 RX_PIN_NUMBER,
 TX_PIN_NUMBER,
 RTS_PIN_NUMBER,
 CTS_PIN_NUMBER,
 APP_UART_FLOW_CONTROL_ENABLED,
 false,
 UART_BAUDRATE_BAUDRATE_Baud38400
 };

 APP_UART_FIFO_INIT(&comm_params,
 256,
 256,
 uart_error_handle,
 APP_IRQ_PRIORITY_LOW,
 err_code);
 
 In my terminal I checked DTR checkbox to assert DTR signal and I can now use printf.

Printf for SDK 8.1.0 and nrf51 DK (PCA10028)

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