134 static bool xfer_completeness_check(NRF_TWIM_Type * p_twim, twim_control_block_t const * p_cb)  in xfer_completeness_check()  argument
143     switch (p_cb->xfer_type)  in xfer_completeness_check()
149             if (((p_cb->int_mask & NRF_TWIM_INT_SUSPENDED_MASK) &&  in xfer_completeness_check()
150                  (nrfy_twim_txd_amount_get(p_twim) != p_cb->xfer_desc_primary.length)) ||  in xfer_completeness_check()
151                 (!(p_cb->int_mask & NRF_TWIM_INT_SUSPENDED_MASK) &&  in xfer_completeness_check()
152                  (nrfy_twim_txd_amount_get(p_twim) != p_cb->xfer_desc_secondary.length)))  in xfer_completeness_check()
158             if ((nrfy_twim_txd_amount_get(p_twim) != p_cb->xfer_desc_primary.length) ||  in xfer_completeness_check()
159                 (nrfy_twim_rxd_amount_get(p_twim) != p_cb->xfer_desc_secondary.length))  in xfer_completeness_check()
165             if (nrfy_twim_txd_amount_get(p_twim) != p_cb->xfer_desc_primary.length)  in xfer_completeness_check()
171             if (nrfy_twim_rxd_amount_get(p_twim) != p_cb->xfer_desc_primary.length)  in xfer_completeness_check()
270     twim_control_block_t * p_cb  = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_init()  local
273     if (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_twim_init()
301     p_cb->handler         = event_handler;  in nrfx_twim_init()
302     p_cb->p_context       = p_context;  in nrfx_twim_init()
303     p_cb->int_mask        = 0;  in nrfx_twim_init()
304     p_cb->repeated        = false;  in nrfx_twim_init()
305     p_cb->busy            = false;  in nrfx_twim_init()
309         p_cb->skip_gpio_cfg = p_config->skip_gpio_cfg;  in nrfx_twim_init()
318         p_cb->hold_bus_uninit = p_config->hold_bus_uninit;  in nrfx_twim_init()
320         p_cb->bus_frequency   = (nrf_twim_frequency_t)p_config->frequency;  in nrfx_twim_init()
326     p_cb->state = NRFX_DRV_STATE_INITIALIZED;  in nrfx_twim_init()
338     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_reconfigure()  local
340     if (p_cb->state == NRFX_DRV_STATE_UNINITIALIZED)  in nrfx_twim_reconfigure()
344     if (p_cb->busy)  in nrfx_twim_reconfigure()
365     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_uninit()  local
367     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_twim_uninit()
376     if (!p_cb->skip_gpio_cfg && !p_cb->hold_bus_uninit)  in nrfx_twim_uninit()
385     p_cb->state = NRFX_DRV_STATE_UNINITIALIZED;  in nrfx_twim_uninit()
391     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_init_check()  local
393     return (p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_twim_init_check()
398     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_enable()  local
399     NRFX_ASSERT(p_cb->state == NRFX_DRV_STATE_INITIALIZED);  in nrfx_twim_enable()
403     p_cb->state = NRFX_DRV_STATE_POWERED_ON;  in nrfx_twim_enable()
409     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_disable()  local
411     NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);  in nrfx_twim_disable()
413     p_cb->int_mask = 0;  in nrfx_twim_disable()
415     p_cb->state = NRFX_DRV_STATE_INITIALIZED;  in nrfx_twim_disable()
416     p_cb->busy = false;  in nrfx_twim_disable()
422     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_is_busy()  local
423     return p_cb->busy;  in nrfx_twim_is_busy()
426 static nrfx_err_t twim_xfer(twim_control_block_t        * p_cb,  in twim_xfer()  argument
432     p_cb->error = false;  in twim_xfer()
468     if (p_cb->busy)  in twim_xfer()
470         nrfy_twim_int_enable(p_twim, p_cb->int_mask);  in twim_xfer()
479         p_cb->busy = ((NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER & flags) ||  in twim_xfer()
483     p_cb->xfer_type = p_xfer_desc->type;  in twim_xfer()
484     p_cb->address   = p_xfer_desc->address;  in twim_xfer()
485     p_cb->xfer_desc_primary.p_buffer   = p_xfer_desc->p_primary_buf;  in twim_xfer()
486     p_cb->xfer_desc_primary.length     = p_xfer_desc->primary_length;  in twim_xfer()
487     p_cb->xfer_desc_secondary.p_buffer = p_xfer_desc->p_secondary_buf;  in twim_xfer()
488     p_cb->xfer_desc_secondary.length   = p_xfer_desc->secondary_length;  in twim_xfer()
489     p_cb->repeated = (flags & NRFX_TWIM_FLAG_REPEATED_XFER) ? true : false;  in twim_xfer()
490     p_cb->flags = flags;  in twim_xfer()
509             nrfy_twim_tx_buffer_set(p_twim, &p_cb->xfer_desc_primary);  in twim_xfer()
515             nrfy_twim_tx_buffer_set(p_twim, &p_cb->xfer_desc_secondary);  in twim_xfer()
517             p_cb->int_mask = NRF_TWIM_INT_SUSPENDED_MASK;  in twim_xfer()
520             nrfy_twim_tx_buffer_set(p_twim, &p_cb->xfer_desc_primary);  in twim_xfer()
521             nrfy_twim_rx_buffer_set(p_twim, &p_cb->xfer_desc_secondary);  in twim_xfer()
525             p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK;  in twim_xfer()
528             nrfy_twim_tx_buffer_set(p_twim, &p_cb->xfer_desc_primary);  in twim_xfer()
532                 p_cb->int_mask = NRF_TWIM_INT_SUSPENDED_MASK;  in twim_xfer()
537                 p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK;  in twim_xfer()
542             nrfy_twim_rx_buffer_set(p_twim, &p_cb->xfer_desc_primary);  in twim_xfer()
545             p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK;  in twim_xfer()
556             nrfy_twim_rx_start(p_twim, p_cb->handler ? NULL : &p_cb->xfer_desc_primary);  in twim_xfer()
560             nrfy_twim_tx_start(p_twim, p_cb->handler ? NULL : &p_cb->xfer_desc_primary);  in twim_xfer()
566         if (p_xfer_desc->primary_length == 0 && p_cb->handler)  in twim_xfer()
572     if (p_cb->handler)  in twim_xfer()
576             p_cb->int_mask = 0;  in twim_xfer()
581             p_cb->int_mask |= NRF_TWIM_INT_STOPPED_MASK;  in twim_xfer()
585         p_cb->int_mask |= NRF_TWIM_INT_ERROR_MASK;  in twim_xfer()
586         nrfy_twim_int_enable(p_twim, p_cb->int_mask);  in twim_xfer()
599             nrfy_twim_frequency_set(p_twim, p_cb->bus_frequency);  in twim_xfer()
607         p_cb->busy = false;  in twim_xfer()
616                 !xfer_completeness_check(p_twim, p_cb))  in twim_xfer()
638     twim_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];  in nrfx_twim_xfer()  local
640     NRFX_ASSERT(p_cb->state == NRFX_DRV_STATE_POWERED_ON);  in nrfx_twim_xfer()
643     NRFX_ASSERT( !((p_cb->handler == NULL) && (p_xfer_desc->type == NRFX_TWIM_XFER_TXRX)));  in nrfx_twim_xfer()
644     NRFX_ASSERT( !((p_cb->handler == NULL) && (p_xfer_desc->type == NRFX_TWIM_XFER_TXTX)));  in nrfx_twim_xfer()
659     return twim_xfer(p_cb, p_instance->p_twim, p_xfer_desc, flags);  in nrfx_twim_xfer()
678 static void irq_handler(NRF_TWIM_Type * p_twim, twim_control_block_t * p_cb)  in irq_handler()  argument
680     nrfy_twim_xfer_desc_t * p_xfer = p_cb->xfer_type == NRFX_TWIM_XFER_RX ?  in irq_handler()
681                                                         &p_cb->xfer_desc_primary :  in irq_handler()
682                                                         &p_cb->xfer_desc_secondary;  in irq_handler()
696             nrfy_twim_frequency_set(p_twim, p_cb->bus_frequency);  in irq_handler()
697             nrfy_twim_tx_list_set(p_twim, NRFX_TWIM_FLAG_TX_POSTINC & p_cb->flags);  in irq_handler()
698             nrfy_twim_rx_list_set(p_twim, NRFX_TWIM_FLAG_RX_POSTINC & p_cb->flags);  in irq_handler()
705     NRFX_ASSERT(p_cb->handler);  in irq_handler()
718             nrfy_twim_int_disable(p_twim, p_cb->int_mask);  in irq_handler()
719             p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK;  in irq_handler()
720             nrfy_twim_int_enable(p_twim, p_cb->int_mask);  in irq_handler()
731             p_cb->error = true;  in irq_handler()
742         if (!(p_cb->flags & NRFX_TWIM_FLAG_NO_SPURIOUS_STOP_CHECK) && !p_cb->error)  in irq_handler()
744             p_cb->error = !xfer_completeness_check(p_twim, p_cb);  in irq_handler()
749         if (!(p_cb->flags & NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER))  in irq_handler()
753             if (!p_cb->repeated || p_cb->error)  in irq_handler()
756                 p_cb->int_mask = 0;  in irq_handler()
767             event.xfer_desc.type    = p_cb->xfer_type;  in irq_handler()
768             event.xfer_desc.address = p_cb->address;  in irq_handler()
769             event.xfer_desc.p_primary_buf    = p_cb->xfer_desc_primary.p_buffer;  in irq_handler()
770             event.xfer_desc.primary_length   = p_cb->xfer_desc_primary.length;  in irq_handler()
771             event.xfer_desc.p_secondary_buf  = p_cb->xfer_desc_secondary.p_buffer;  in irq_handler()
772             event.xfer_desc.secondary_length = p_cb->xfer_desc_secondary.length;  in irq_handler()
776         else if (p_cb->xfer_type != NRFX_TWIM_XFER_RX)  in irq_handler()
792         if (p_cb->xfer_type == NRFX_TWIM_XFER_TX)  in irq_handler()
794             if (!p_cb->repeated)  in irq_handler()
797                 p_cb->int_mask = 0;  in irq_handler()
808             event.xfer_desc.type    = p_cb->xfer_type;  in irq_handler()
809             event.xfer_desc.address = p_cb->address;  in irq_handler()
810             event.xfer_desc.p_primary_buf    = p_cb->xfer_desc_primary.p_buffer;  in irq_handler()
811             event.xfer_desc.primary_length   = p_cb->xfer_desc_primary.length;  in irq_handler()
812             event.xfer_desc.p_secondary_buf  = p_cb->xfer_desc_secondary.p_buffer;  in irq_handler()
813             event.xfer_desc.secondary_length = p_cb->xfer_desc_secondary.length;  in irq_handler()
818             p_cb->int_mask = NRF_TWIM_INT_STOPPED_MASK | NRF_TWIM_INT_ERROR_MASK;  in irq_handler()
820             nrfy_twim_int_enable(p_twim, p_cb->int_mask);  in irq_handler()
843     else if (p_cb->error)  in irq_handler()
854     if (!p_cb->repeated)  in irq_handler()
856         p_cb->busy = false;  in irq_handler()
859     if (!(p_cb->flags & NRFX_TWIM_FLAG_NO_XFER_EVT_HANDLER) || p_cb->error)  in irq_handler()
861         p_cb->handler(&event, p_cb->p_context);  in irq_handler()