143     spi_control_block_t * p_cb  = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_init()  local
146     if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_spi_init()
170     p_cb->handler = handler;  in nrfx_spi_init()
171     p_cb->p_context = p_context;  in nrfx_spi_init()
175         p_cb->skip_gpio_cfg = p_config->skip_gpio_cfg;  in nrfx_spi_init()
176         p_cb->ss_pin = p_config->ss_pin;  in nrfx_spi_init()
177         p_cb->orc = p_config->orc;  in nrfx_spi_init()
183     p_cb->transfer_in_progress = false;  in nrfx_spi_init()
184     p_cb->state = NRFX_DRV_STATE_INITIALIZED;  in nrfx_spi_init()
195     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_reconfigure()  local
197     if (p_cb->state == NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_spi_reconfigure()
201     if (p_cb->transfer_in_progress)  in nrfx_spi_reconfigure()
213     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_uninit()  local
214     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_uninit()
217     if (p_cb->handler)  in nrfx_spi_uninit()
225     if (!p_cb->skip_gpio_cfg)  in nrfx_spi_uninit()
241         if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in nrfx_spi_uninit()
243             nrf_gpio_cfg_default(p_cb->ss_pin);  in nrfx_spi_uninit()
251     p_cb->state = NRFX_DRV_STATE_UNINITIALIZED;  in nrfx_spi_uninit()
254 static void finish_transfer(spi_control_block_t * p_cb)  in finish_transfer()  argument
257     if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in finish_transfer()
259         nrf_gpio_pin_write(p_cb->ss_pin, 1);  in finish_transfer()
264     p_cb->transfer_in_progress = false;  in finish_transfer()
266     p_cb->evt.type = NRFX_SPI_EVENT_DONE;  in finish_transfer()
267     p_cb->handler(&p_cb->evt, p_cb->p_context);  in finish_transfer()
274 static bool transfer_byte(NRF_SPI_Type * p_spi, spi_control_block_t * p_cb)  in transfer_byte()  argument
280     if (p_cb->bytes_transferred < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
282         p_cb->evt.xfer_desc.p_rx_buffer[p_cb->bytes_transferred] = rx_data;  in transfer_byte()
285     ++p_cb->bytes_transferred;  in transfer_byte()
294     size_t bytes_used = p_cb->bytes_transferred + 1;  in transfer_byte()
296     if (p_cb->abort)  in transfer_byte()
298         if (bytes_used < p_cb->evt.xfer_desc.tx_length)  in transfer_byte()
300             p_cb->evt.xfer_desc.tx_length = bytes_used;  in transfer_byte()
302         if (bytes_used < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
304             p_cb->evt.xfer_desc.rx_length = bytes_used;  in transfer_byte()
308     if (bytes_used < p_cb->evt.xfer_desc.tx_length)  in transfer_byte()
310         nrf_spi_txd_set(p_spi, p_cb->evt.xfer_desc.p_tx_buffer[bytes_used]);  in transfer_byte()
313     else if (bytes_used < p_cb->evt.xfer_desc.rx_length)  in transfer_byte()
315         nrf_spi_txd_set(p_spi, p_cb->orc);  in transfer_byte()
319     return (p_cb->bytes_transferred < p_cb->evt.xfer_desc.tx_length ||  in transfer_byte()
320             p_cb->bytes_transferred < p_cb->evt.xfer_desc.rx_length);  in transfer_byte()
324                      spi_control_block_t        * p_cb,  in spi_xfer()  argument
327     p_cb->bytes_transferred = 0;  in spi_xfer()
336         (p_xfer_desc->tx_length > 0 ? p_xfer_desc->p_tx_buffer[0] : p_cb->orc));  in spi_xfer()
348         nrf_spi_txd_set(p_spi, p_cb->orc);  in spi_xfer()
356     if (p_cb->handler)  in spi_xfer()
366         } while (transfer_byte(p_spi, p_cb));  in spi_xfer()
367         if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in spi_xfer()
369             nrf_gpio_pin_write(p_cb->ss_pin, 1);  in spi_xfer()
378     spi_control_block_t * p_cb  = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_xfer()  local
379     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_xfer()
385     if (p_cb->transfer_in_progress)  in nrfx_spi_xfer()
395         if (p_cb->handler)  in nrfx_spi_xfer()
397             p_cb->transfer_in_progress = true;  in nrfx_spi_xfer()
401     p_cb->evt.xfer_desc = *p_xfer_desc;  in nrfx_spi_xfer()
402     p_cb->abort = false;  in nrfx_spi_xfer()
404     if (p_cb->ss_pin != NRFX_SPI_PIN_NOT_USED)  in nrfx_spi_xfer()
406         nrf_gpio_pin_write(p_cb->ss_pin, 0);  in nrfx_spi_xfer()
410         p_cb->transfer_in_progress = false;  in nrfx_spi_xfer()
415         spi_xfer(p_instance->p_reg, p_cb, p_xfer_desc);  in nrfx_spi_xfer()
425     spi_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_spi_abort()  local
426     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_spi_abort()
427     p_cb->abort = true;  in nrfx_spi_abort()
430 static void irq_handler(NRF_SPI_Type * p_spi, spi_control_block_t * p_cb)  in irq_handler()  argument
432     NRFX_ASSERT(p_cb->handler);  in irq_handler()
437     if (!transfer_byte(p_spi, p_cb))  in irq_handler()
439         finish_transfer(p_cb);  in irq_handler()