//sdk_config.h Add define:
#ifndef NRF_SDH_CLOCK_LF_XTAL_ACCURACY_PA
#define NRF_SDH_CLOCK_LF_XTAL_ACCURACY_PA 0
#endif
//nf_sdh.c Edit
ret_code_t nrf_sdh_enable_request(void)
{
...
nrf_clock_lf_cfg_t const clock_lf_cfg =
#ifdef APP_PA_LAN
{ .source = NRF_CLOCK_LF_SRC_SYNTH,
.rc_ctiv = NRF_SDH_CLOCK_LF_RC_CTIV,
.rc_temp_ctiv = NRF_SDH_CLOCK_LF_RC_TEMP_CTIV,
.accuracy = NRF_SDH_CLOCK_LF_XTAL_ACCURACY_PA
};
#else
{
.source = NRF_SDH_CLOCK_LF_SRC,
.rc_ctiv = NRF_SDH_CLOCK_LF_RC_CTIV,
.rc_temp_ctiv = NRF_SDH_CLOCK_LF_RC_TEMP_CTIV,
#ifdef S132
.accuracy = NRF_SDH_CLOCK_LF_XTAL_ACCURACY
#else
.xtal_accuracy = NRF_SDH_CLOCK_LF_XTAL_ACCURACY
#endif
};
#endif
...
}
//main.c Add config the PA/LNA before main funciton
#ifdef APP_PA_LAN
static void pa_lna_assist(uint32_t gpio_pa_pin, uint32_t gpio_lna_pin)
{
ret_code_t err_code;
nrf_gpio_cfg_output(gpio_pa_pin);
nrf_gpio_pin_clear(gpio_pa_pin); //
nrf_gpio_cfg_output(gpio_lna_pin);
nrf_gpio_pin_clear(gpio_lna_pin); //
static const uint32_t gpio_toggle_ch = 0;
static const uint32_t ppi_set_ch = 0;
static const uint32_t ppi_clr_ch = 1;
// Configure SoftDevice PA/LNA assist
static ble_opt_t opt;
memset(&opt, 0, sizeof(ble_opt_t));
// Common PA/LNA config
opt.common_opt.pa_lna.gpiote_ch_id = gpio_toggle_ch; // GPIOTE channel
opt.common_opt.pa_lna.ppi_ch_id_clr = ppi_clr_ch; // PPI channel for pin clearing
opt.common_opt.pa_lna.ppi_ch_id_set = ppi_set_ch; // PPI channel for pin setting
// PA config
opt.common_opt.pa_lna.pa_cfg.active_high = 1; // Set the pin to be active high
opt.common_opt.pa_lna.pa_cfg.enable = 1; // Enable toggling
opt.common_opt.pa_lna.pa_cfg.gpio_pin = gpio_pa_pin; // The GPIO pin to toggle
// LNA config
opt.common_opt.pa_lna.lna_cfg.active_high = 1; // Set the pin to be active high
opt.common_opt.pa_lna.lna_cfg.enable = 1; // Enable toggling
opt.common_opt.pa_lna.lna_cfg.gpio_pin = gpio_lna_pin; // The GPIO pin to toggle
err_code = sd_ble_opt_set(BLE_COMMON_OPT_PA_LNA, &opt);
APP_ERROR_CHECK(err_code);
}
#endif
Main funciton: Add after funciton "ble_stack_init()"
#ifdef APP_PA_LAN
pa_lna_assist(24,20);//Pin 0.24 and pin 0.20
#endif