#ifndef NRF51_HAL_CONF_H__
#define NRF51_HAL_CONF_H__

#define HAL_UART_MODULE_ENABLED
#define HAL_SPI_MODULE_ENABLED
#define HAL_TIME_MODULE_ENABLED
#define HAL_RTC_MODULE_ENABLED
#define HAL_TIMER_MODULE_ENABLED

#endif // NRF51_HAL_CONF_H__

#ifndef NRF51_HAL_CONF_H__
#define NRF51_HAL_CONF_H__

#define HAL_UART_MODULE_ENABLED
// #define HAL_SPI_MODULE_ENABLED
#define HAL_TIME_MODULE_ENABLED
// #define HAL_RTC_MODULE_ENABLED
// #define HAL_TIMER_MODULE_ENABLED

#endif // NRF51_HAL_CONF_H__

Disable SPI/Timer/RTC hal from microbit board.
nrf5/boards: Disable SPI/Timer/RTC hal from microbit board.
