nRF52 ANT+ CW test with SD212 0.9.1

Question

I alway used direct UART command with nRF24AP2 and CW test was not a problem. 
 Now with nRF52xxx and S212 softdevice I try this ... but nothing works . 
 sd_ant_stack_reset();nrf_delay_ms(3000);
sd_ant_cw_test_mode_init();nrf_delay_ms(3000);
sd_ant_cw_test_mode(0x39,RADIO_TX_POWER_LVL_4 ,0,0); 
// 2457Mhz CW test mode on freq=57 power level=+4dB unmodulated carrier
 
 Is it correct , or something is missing ? 
 Thanks

Øyvind Karlsen · Accepted Answer

Hi, 
 Try the following code: 
 /**@brief Function for application main entry. Does not return.
 */ 
int main(void)
{
 uint32_t err_code; 
 
 // Setup SoftDevice and events handler
 err_code = softdevice_ant_evt_handler_set(ant_evt_dispatch);
 APP_ERROR_CHECK(err_code);

 err_code = softdevice_handler_init(NRF_CLOCK_LFCLKSRC, NULL, 0, NULL);
 APP_ERROR_CHECK(err_code);
 
 err_code = ant_stack_static_config();
 APP_ERROR_CHECK(err_code);

 sd_ant_cw_test_mode_init();
 // sd_ant_cw_test_mode assumes that the hfclck is enabled.
 // request and allow 2 ms to stabilize
 sd_clock_hfclk_request();
 nrf_delay_ms(2);

 APP_ERROR_CHECK(sd_ant_cw_test_mode(33,RADIO_TX_POWER_LVL_CUSTOM,RADIO_TXPOWER_TXPOWER_0dBm,1));
 for (;;)
 {
 uint32_t err_code = sd_app_evt_wait();
 APP_ERROR_CHECK(err_code);
 }

}
 
 The code gives a 0dBm output on channel 33. This code works fine for both modulated and CW for s210 and s212. 
 If this doesn't work for you, leave a comment below. As a workaround you can use the radio test example . This example can be found in [YOUR_SDK_LOCATION]
RF5_SDK_11.0.0_89a8197\examples\peripheraladio_test\pca10028\arm5_no_packs in our most recent SDK 11 . 
 Best regards, 
 Øyvind