42 …nels_allocated; /**< Bitmap representing channels availability. 1 when a channel is allocated, 0 o…
60  * @brief Check whether a channel is a programmable channel and can be used by an application.
62  * @param[in] channel Channel to check.
64  * @retval true  The channel is a programmable application channel.
65  * @retval false The channel is used by a stack (for example SoftDevice) or is preprogrammed.
67 __STATIC_INLINE bool is_programmable_app_channel(nrf_ppi_channel_t channel)  in is_programmable_app_channel()  argument
69     return ((NRFX_PPI_PROG_APP_CHANNELS_MASK & nrfx_ppi_channel_to_mask(channel)) != 0);  in is_programmable_app_channel()
76  * @param[in] channel_mask Channel mask to check.
79  * @retval false At least one specified channel is used by a stack (for example SoftDevice).
89  * @brief Check whether a channel can be used by an application.
91  * @param[in] channel Channel to check.
93  * @retval true  The channel can be used by an application.
94  * @retval false The channel is used by a stack (for example SoftDevice).
96 __STATIC_INLINE bool is_app_channel(nrf_ppi_channel_t channel)  in is_app_channel()  argument
98     return are_app_channels(nrfx_ppi_channel_to_mask(channel));  in is_app_channel()
103  * @brief Check whether a channel group can be used by an application.
118  * @brief Check whether a channel is allocated.
120  * @param[in] channel_num  Channel number to check.
122  * @retval true  The channel is allocated.
123  * @retval false The channel is not allocated.
125 __STATIC_INLINE bool is_allocated_channel(nrf_ppi_channel_t channel)  in is_allocated_channel()  argument
127     return ((m_channels_allocated & nrfx_ppi_channel_to_mask(channel)) != 0);  in is_allocated_channel()
132  * @brief Set channel allocated indication.
134  * @param[in] channel_num Specifies the channel to set the "allocated" indication.
136 __STATIC_INLINE void channel_allocated_set(nrf_ppi_channel_t channel)  in channel_allocated_set()  argument
138     m_channels_allocated |= nrfx_ppi_channel_to_mask(channel);  in channel_allocated_set()
143  * @brief Clear channel allocated indication.
145  * @param[in] channel_num Specifies the channel to clear the "allocated" indication.
147 __STATIC_INLINE void channel_allocated_clr(nrf_ppi_channel_t channel)  in channel_allocated_clr()  argument
149     m_channels_allocated &= ~nrfx_ppi_channel_to_mask(channel);  in channel_allocated_clr()
230     nrf_ppi_channel_t channel;  in nrfx_ppi_channel_alloc()  local
235     for (channel = NRF_PPI_CHANNEL0;  in nrfx_ppi_channel_alloc()
237          mask &= ~nrfx_ppi_channel_to_mask(channel), channel++)  in nrfx_ppi_channel_alloc()
240         if ((mask & nrfx_ppi_channel_to_mask(channel)) && (!is_allocated_channel(channel)))  in nrfx_ppi_channel_alloc()
242             channel_allocated_set(channel);  in nrfx_ppi_channel_alloc()
243             *p_channel = channel;  in nrfx_ppi_channel_alloc()
249             NRFX_LOG_INFO("Allocated channel: %d.", channel);  in nrfx_ppi_channel_alloc()
259 nrfx_err_t nrfx_ppi_channel_free(nrf_ppi_channel_t channel)  in nrfx_ppi_channel_free()  argument
263     if (!is_programmable_app_channel(channel))  in nrfx_ppi_channel_free()
269         // First disable this channel  in nrfx_ppi_channel_free()
270         nrf_ppi_channel_disable(channel);  in nrfx_ppi_channel_free()
272         channel_allocated_clr(channel);  in nrfx_ppi_channel_free()
280 nrfx_err_t nrfx_ppi_channel_assign(nrf_ppi_channel_t channel, uint32_t eep, uint32_t tep)  in nrfx_ppi_channel_assign()  argument
289     if (!is_programmable_app_channel(channel))  in nrfx_ppi_channel_assign()
293     else if (!is_allocated_channel(channel))  in nrfx_ppi_channel_assign()
299         nrf_ppi_channel_endpoint_setup(channel, eep, tep);  in nrfx_ppi_channel_assign()
300         NRFX_LOG_INFO("Assigned channel: %d, event end point: %x, task end point: %x.",  in nrfx_ppi_channel_assign()
301                       channel,  in nrfx_ppi_channel_assign()
309 nrfx_err_t nrfx_ppi_channel_fork_assign(nrf_ppi_channel_t channel, uint32_t fork_tep)  in nrfx_ppi_channel_fork_assign()  argument
313     if (!is_allocated_channel(channel))  in nrfx_ppi_channel_fork_assign()
319         nrf_ppi_fork_endpoint_setup(channel, fork_tep);  in nrfx_ppi_channel_fork_assign()
320         NRFX_LOG_INFO("Fork assigned channel: %d, task end point: %d.", channel, fork_tep);  in nrfx_ppi_channel_fork_assign()
333 nrfx_err_t nrfx_ppi_channel_enable(nrf_ppi_channel_t channel)  in nrfx_ppi_channel_enable()  argument
337     if (!is_app_channel(channel))  in nrfx_ppi_channel_enable()
341     else if (is_programmable_app_channel(channel) && !is_allocated_channel(channel))  in nrfx_ppi_channel_enable()
347         nrf_ppi_channel_enable(channel);  in nrfx_ppi_channel_enable()
354 nrfx_err_t nrfx_ppi_channel_disable(nrf_ppi_channel_t channel)  in nrfx_ppi_channel_disable()  argument
358     if (!is_app_channel(channel))  in nrfx_ppi_channel_disable()
362     else if (is_programmable_app_channel(channel) && !is_allocated_channel(channel))  in nrfx_ppi_channel_disable()
368         nrf_ppi_channel_disable(channel);  in nrfx_ppi_channel_disable()