144     spi_control_block_t * p_cb  = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_init()  local
147     if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_spi_init()
175     p_cb->handler = handler;  in nrfx_spi_init()
176     p_cb->p_context = p_context;  in nrfx_spi_init()
180         p_cb->skip_gpio_cfg = p_config->skip_gpio_cfg;  in nrfx_spi_init()
181         p_cb->ss_pin = p_config->ss_pin;  in nrfx_spi_init()
182         p_cb->orc = p_config->orc;  in nrfx_spi_init()
188     p_cb->transfer_in_progress = false;  in nrfx_spi_init()
189     p_cb->state = NRFX_DRV_STATE_INITIALIZED;  in nrfx_spi_init()
201     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_reconfigure()  local
203     if (p_cb->state == NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_spi_reconfigure()
207     if (p_cb->transfer_in_progress)  in nrfx_spi_reconfigure()
219     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_uninit()  local
222     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_uninit()
224     if (p_cb->handler)  in nrfx_spi_uninit()
232     if (!p_cb->skip_gpio_cfg)  in nrfx_spi_uninit()
248         if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in nrfx_spi_uninit()
250             nrf_gpio_cfg_default(p_cb->ss_pin);  in nrfx_spi_uninit()
258     p_cb->state = NRFX_DRV_STATE_UNINITIALIZED;  in nrfx_spi_uninit()
264     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_init_check()  local
266     return (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_init_check()
269 static void finish_transfer(spi_control_block_t * p_cb)  in finish_transfer()  argument
272     if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in finish_transfer()
274         nrf_gpio_pin_write(p_cb->ss_pin, 1);  in finish_transfer()
279     p_cb->transfer_in_progress = false;  in finish_transfer()
281     p_cb->evt.type = NRFX_SPI_EVENT_DONE;  in finish_transfer()
282     p_cb->handler(&p_cb->evt, p_cb->p_context);  in finish_transfer()
289 static bool transfer_byte(NRF_SPI_Type * p_spi, spi_control_block_t * p_cb)  in transfer_byte()  argument
295     if (p_cb->bytes_transferred < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
297         p_cb->evt.xfer_desc.p_rx_buffer[p_cb->bytes_transferred] = rx_data;  in transfer_byte()
300     ++p_cb->bytes_transferred;  in transfer_byte()
309     size_t bytes_used = p_cb->bytes_transferred + 1;  in transfer_byte()
311     if (p_cb->abort)  in transfer_byte()
313         if (bytes_used < p_cb->evt.xfer_desc.tx_length)  in transfer_byte()
315             p_cb->evt.xfer_desc.tx_length = bytes_used;  in transfer_byte()
317         if (bytes_used < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
319             p_cb->evt.xfer_desc.rx_length = bytes_used;  in transfer_byte()
323     if (bytes_used < p_cb->evt.xfer_desc.tx_length)  in transfer_byte()
325         nrf_spi_txd_set(p_spi, p_cb->evt.xfer_desc.p_tx_buffer[bytes_used]);  in transfer_byte()
328     else if (bytes_used < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
330         nrf_spi_txd_set(p_spi, p_cb->orc);  in transfer_byte()
334     return (p_cb->bytes_transferred < p_cb->evt.xfer_desc.tx_length ||  in transfer_byte()
335             p_cb->bytes_transferred < p_cb->evt.xfer_desc.rx_length);  in transfer_byte()
339                      spi_control_block_t        * p_cb,  in spi_xfer()  argument
342     p_cb->bytes_transferred = 0;  in spi_xfer()
351         (p_xfer_desc->tx_length > 0 ? p_xfer_desc->p_tx_buffer[0] : p_cb->orc));  in spi_xfer()
363         nrf_spi_txd_set(p_spi, p_cb->orc);  in spi_xfer()
371     if (p_cb->handler)  in spi_xfer()
381         } while (transfer_byte(p_spi, p_cb));  in spi_xfer()
382         if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in spi_xfer()
384             nrf_gpio_pin_write(p_cb->ss_pin, 1);  in spi_xfer()
393     spi_control_block_t * p_cb  = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_xfer()  local
395     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_xfer()
401     if (p_cb->transfer_in_progress)  in nrfx_spi_xfer()
411         if (p_cb->handler)  in nrfx_spi_xfer()
413             p_cb->transfer_in_progress = true;  in nrfx_spi_xfer()
417     p_cb->evt.xfer_desc = *p_xfer_desc;  in nrfx_spi_xfer()
418     p_cb->abort = false;  in nrfx_spi_xfer()
420     if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in nrfx_spi_xfer()
422         nrf_gpio_pin_write(p_cb->ss_pin, 0);  in nrfx_spi_xfer()
426         p_cb->transfer_in_progress = false;  in nrfx_spi_xfer()
431         spi_xfer(p_instance->p_reg, p_cb, p_xfer_desc);  in nrfx_spi_xfer()
441     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_abort()  local
443     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_abort()
445     p_cb->abort = true;  in nrfx_spi_abort()
448 static void irq_handler(NRF_SPI_Type * p_spi, spi_control_block_t * p_cb)  in irq_handler()  argument
450     NRFX_ASSERT(p_cb->handler);  in irq_handler()
455     if (!transfer_byte(p_spi, p_cb))  in irq_handler()
457         finish_transfer(p_cb);  in irq_handler()