Hi,
I use library NRF21540.c to config to control NRF21540, to amplifier the radio of nrf52832.
This is my define:
#ifndef NRF21540_USE_GPIO_MANAGEMENT
#define NRF21540_USE_GPIO_MANAGEMENT 1
#endif
#define NRF21540_ANTSEL_PIN 26
#define NRF21540_MODE_PIN 28
#define NRF21540_TXEN_PIN 28
#define NRF21540_RXEN_PIN 27
#define NRF21540_PDN_PIN 24
#define NRF21540_TIMER_NO 3
#define NRF21540_LNA_GPIOTE_CHANNEL_NO 0
#define NRF21540_PA_GPIOTE_CHANNEL_NO 1
#define NRF21540_INTERRUPT_PRIORITY 0
#define NRF21540_PDN_GPIOTE_CHANNEL_NO 2
#define NRF21540_PDN_PPI_CHANNEL_NO 3
#define NRF21540_TIMER_CC_PD_PG_CHANNEL_NO 1
#define NRF21540_TIMER_CC_START_TO_PDN_UP_CHANNEL_NO 0
#define NRF21540_TRX_PPI_CHANNEL_NO 2
#define NRF21540_USER_PPI_CHANNEL_NO 4
This is my call in main():
nrf21540_init();
nrf21540_ant_set(NRF21540_ANT1);
nrf21540_pwr_mode_set(NRF21540_PWR_MODE_A);
nrf21540_tx_set(NRF21540_EXECUTE_NOW,NRF21540_EXEC_MODE_NON_BLOCKING);
The code was build ok, but when run, it get stuck:

And when I ignore this (by uncheck HardFault), it comes as this:

I run on ble_app_template.
Any advices for my case? Tks.