158     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_init()  local
160     if (p_cb->drv_state != NRFX_DRV_STATE_UNINITIALIZED)  in pdm_init()
173     p_cb->buff_address[0] = 0;  in pdm_init()
174     p_cb->buff_address[1] = 0;  in pdm_init()
175     p_cb->active_buffer = 0;  in pdm_init()
176     p_cb->error = 0;  in pdm_init()
177     p_cb->event_handler = event_handler;  in pdm_init()
178     p_cb->op_state = NRFX_PDM_STATE_IDLE;  in pdm_init()
182         p_cb->skip_gpio_cfg = p_config->skip_gpio_cfg;  in pdm_init()
207     p_cb->drv_state = NRFX_DRV_STATE_INITIALIZED;  in pdm_init()
219     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_reconfigure()  local
222     if (p_cb->drv_state == NRFX_DRV_STATE_UNINITIALIZED)  in pdm_reconfigure()
241     if (p_cb->op_state != NRFX_PDM_STATE_IDLE)  in pdm_reconfigure()
256     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_uninit()  local
258     if (!p_cb->skip_gpio_cfg)  in pdm_uninit()
266     p_cb->drv_state = NRFX_DRV_STATE_UNINITIALIZED;  in pdm_uninit()
283     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_start()  local
285     NRFX_ASSERT(p_cb->drv_state != NRFX_DRV_STATE_UNINITIALIZED);  in pdm_start()
288     if (p_cb->op_state != NRFX_PDM_STATE_IDLE)  in pdm_start()
290         if (p_cb->op_state == NRFX_PDM_STATE_RUNNING)  in pdm_start()
305     p_cb->op_state = NRFX_PDM_STATE_STARTING;  in pdm_start()
319     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_buffer_set()  local
321     if (p_cb->drv_state == NRFX_DRV_STATE_UNINITIALIZED)  in pdm_buffer_set()
325     if (p_cb->op_state == NRFX_PDM_STATE_STOPPING)  in pdm_buffer_set()
339     uint8_t next_buffer = (~p_cb->active_buffer) & 0x01;  in pdm_buffer_set()
340     if (p_cb->op_state == NRFX_PDM_STATE_STARTING)  in pdm_buffer_set()
345     if (p_cb->buff_address[next_buffer])  in pdm_buffer_set()
352         p_cb->buff_address[next_buffer] = buffer;  in pdm_buffer_set()
353         p_cb->buff_length[next_buffer] = buffer_length;  in pdm_buffer_set()
362         if (p_cb->drv_state != NRFX_DRV_STATE_POWERED_ON)  in pdm_buffer_set()
364             p_cb->drv_state = NRFX_DRV_STATE_POWERED_ON;  in pdm_buffer_set()
376     nrfx_pdm_cb_t * p_cb = get_cb(p_instance->drv_inst_idx);  in pdm_stop()  local
378     NRFX_ASSERT(p_cb->drv_state != NRFX_DRV_STATE_UNINITIALIZED);  in pdm_stop()
381     if (p_cb->op_state != NRFX_PDM_STATE_RUNNING)  in pdm_stop()
383         if (p_cb->op_state == NRFX_PDM_STATE_IDLE ||  in pdm_stop()
384             p_cb->op_state == NRFX_PDM_STATE_STARTING)  in pdm_stop()
387             p_cb->op_state = NRFX_PDM_STATE_IDLE;  in pdm_stop()
400     p_cb->drv_state = NRFX_DRV_STATE_INITIALIZED;  in pdm_stop()
401     p_cb->op_state = NRFX_PDM_STATE_STOPPING;  in pdm_stop()
493     nrfx_pdm_cb_t * p_cb = get_cb(0);  in nrfx_pdm_irq_handler()  local
497         .p_buff = p_cb->buff_address[p_cb->active_buffer],  in nrfx_pdm_irq_handler()
498         .length = p_cb->buff_length[p_cb->active_buffer],  in nrfx_pdm_irq_handler()
510         uint8_t finished_buffer = p_cb->active_buffer;  in nrfx_pdm_irq_handler()
513         uint8_t next_buffer = (~p_cb->active_buffer) & 0x01;  in nrfx_pdm_irq_handler()
514         if (p_cb->buff_address[next_buffer] ||  in nrfx_pdm_irq_handler()
515             p_cb->op_state == NRFX_PDM_STATE_STARTING)  in nrfx_pdm_irq_handler()
519             p_cb->error = 0;  in nrfx_pdm_irq_handler()
522             if (p_cb->op_state == NRFX_PDM_STATE_STARTING)  in nrfx_pdm_irq_handler()
525                 p_cb->op_state = NRFX_PDM_STATE_RUNNING;  in nrfx_pdm_irq_handler()
529                 evt.buffer_released = p_cb->buff_address[finished_buffer];  in nrfx_pdm_irq_handler()
530                 p_cb->buff_address[finished_buffer] = 0;  in nrfx_pdm_irq_handler()
531                 p_cb->active_buffer = next_buffer;  in nrfx_pdm_irq_handler()
534             p_cb->event_handler(&evt);  in nrfx_pdm_irq_handler()
540             if (p_cb->error == 0)  in nrfx_pdm_irq_handler()
547                 p_cb->error = 1;  in nrfx_pdm_irq_handler()
548                 p_cb->event_handler(&evt);  in nrfx_pdm_irq_handler()
552         if (p_cb->op_state == NRFX_PDM_STATE_STARTING)  in nrfx_pdm_irq_handler()
554             p_cb->op_state = NRFX_PDM_STATE_RUNNING;  in nrfx_pdm_irq_handler()
561         p_cb->op_state = NRFX_PDM_STATE_IDLE;  in nrfx_pdm_irq_handler()
567         if (p_cb->buff_address[p_cb->active_buffer])  in nrfx_pdm_irq_handler()
569             evt.buffer_released = p_cb->buff_address[p_cb->active_buffer];  in nrfx_pdm_irq_handler()
570             p_cb->buff_address[p_cb->active_buffer] = 0;  in nrfx_pdm_irq_handler()
571             p_cb->event_handler(&evt);  in nrfx_pdm_irq_handler()
574         uint8_t second_buffer = (~p_cb->active_buffer) & 0x01;  in nrfx_pdm_irq_handler()
575         if (p_cb->buff_address[second_buffer])  in nrfx_pdm_irq_handler()
577             evt.buffer_released = p_cb->buff_address[second_buffer];  in nrfx_pdm_irq_handler()
578             p_cb->buff_address[second_buffer] = 0;  in nrfx_pdm_irq_handler()
579             p_cb->event_handler(&evt);  in nrfx_pdm_irq_handler()
581         p_cb->active_buffer = 0;  in nrfx_pdm_irq_handler()
584     if (p_cb->irq_buff_request)  in nrfx_pdm_irq_handler()
592         p_cb->irq_buff_request = 0;  in nrfx_pdm_irq_handler()
593         p_cb->event_handler(&evt);  in nrfx_pdm_irq_handler()
599 static void irq_handler(NRF_PDM_Type * p_pdm, nrfx_pdm_cb_t * p_cb)  in irq_handler()  argument
603         .p_buff = p_cb->buff_address[p_cb->active_buffer],  in irq_handler()
604         .length = p_cb->buff_length[p_cb->active_buffer],  in irq_handler()
616         uint8_t finished_buffer = p_cb->active_buffer;  in irq_handler()
619         uint8_t next_buffer = (~p_cb->active_buffer) & 0x01;  in irq_handler()
620         if (p_cb->buff_address[next_buffer] ||  in irq_handler()
621             p_cb->op_state == NRFX_PDM_STATE_STARTING)  in irq_handler()
625             p_cb->error = 0;  in irq_handler()
628             if (p_cb->op_state == NRFX_PDM_STATE_STARTING)  in irq_handler()
631                 p_cb->op_state = NRFX_PDM_STATE_RUNNING;  in irq_handler()
635                 evt.buffer_released = p_cb->buff_address[finished_buffer];  in irq_handler()
636                 p_cb->buff_address[finished_buffer] = 0;  in irq_handler()
637                 p_cb->active_buffer = next_buffer;  in irq_handler()
640             p_cb->event_handler(&evt);  in irq_handler()
646             if (p_cb->error == 0)  in irq_handler()
653                 p_cb->error = 1;  in irq_handler()
654                 p_cb->event_handler(&evt);  in irq_handler()
658         if (p_cb->op_state == NRFX_PDM_STATE_STARTING)  in irq_handler()
660             p_cb->op_state = NRFX_PDM_STATE_RUNNING;  in irq_handler()
667         p_cb->op_state = NRFX_PDM_STATE_IDLE;  in irq_handler()
673         if (p_cb->buff_address[p_cb->active_buffer])  in irq_handler()
675             evt.buffer_released = p_cb->buff_address[p_cb->active_buffer];  in irq_handler()
676             p_cb->buff_address[p_cb->active_buffer] = 0;  in irq_handler()
677             p_cb->event_handler(&evt);  in irq_handler()
680         uint8_t second_buffer = (~p_cb->active_buffer) & 0x01;  in irq_handler()
681         if (p_cb->buff_address[second_buffer])  in irq_handler()
683             evt.buffer_released = p_cb->buff_address[second_buffer];  in irq_handler()
684             p_cb->buff_address[second_buffer] = 0;  in irq_handler()
685             p_cb->event_handler(&evt);  in irq_handler()
687         p_cb->active_buffer = 0;  in irq_handler()
690     if (p_cb->irq_buff_request)  in irq_handler()
698         p_cb->irq_buff_request = 0;  in irq_handler()
699         p_cb->event_handler(&evt);  in irq_handler()