1 /*
2 * Copyright (c) 2024, Nordic Semiconductor ASA
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 *
6 * Note that the function prototypes are taken from the NRFx HAL
7 */
8 #include "hal/nrf_ppib.h"
9 #include "NHW_PPIB.h"
10 #include "bs_tracing.h"
11
ppib_number_from_ptr(NRF_PPIB_Type const * p_reg)12 static int ppib_number_from_ptr(NRF_PPIB_Type const * p_reg){
13 int i = ( (int)p_reg - (int)&NRF_PPIB_regs[0] ) / sizeof(NRF_PPIB_Type);
14 return i;
15 }
16
17 /* Note: The PPIB task and events registers are not functional,
18 * and therefore have no HAL API */
19
nrf_ppib_subscribe_set(NRF_PPIB_Type * p_reg,nrf_ppib_task_t task,uint8_t channel)20 void nrf_ppib_subscribe_set(NRF_PPIB_Type * p_reg,
21 nrf_ppib_task_t task,
22 uint8_t channel)
23 {
24 NRFX_ASSERT(p_reg);
25 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) =
26 ((uint32_t)channel | NRF_SUBSCRIBE_PUBLISH_ENABLE);
27
28 int i = ppib_number_from_ptr(p_reg);
29 int task_nbr = (task - NRF_PPIB_TASK_SEND_0)/sizeof(uint32_t);
30
31 nhw_PPIB_regw_sideeffects_SUBSCRIBE_SEND(i, task_nbr);
32 }
33
nrf_ppib_subscribe_clear(NRF_PPIB_Type * p_reg,nrf_ppib_task_t task)34 void nrf_ppib_subscribe_clear(NRF_PPIB_Type * p_reg,
35 nrf_ppib_task_t task)
36 {
37 NRFX_ASSERT(p_reg);
38 *((volatile uint32_t *) ((uint8_t *) p_reg + (uint32_t) task + 0x80uL)) = 0;
39
40 int i = ppib_number_from_ptr(p_reg);
41 int task_nbr = (task - NRF_PPIB_TASK_SEND_0)/sizeof(uint32_t);
42
43 nhw_PPIB_regw_sideeffects_SUBSCRIBE_SEND(i, task_nbr);
44 }
45
