diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c')
| -rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c new file mode 100644 index 0000000..e7a105f --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/modules/nrfx/drivers/src/prs/nrfx_prs.c @@ -0,0 +1,166 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include <nrfx.h> + +#if NRFX_CHECK(NRFX_PRS_ENABLED) +#include "nrfx_prs.h" + +#define NRFX_LOG_MODULE PRS +#include <nrfx_log.h> + +#define LOG_FUNCTION_EXIT(level, ret_code) \ + NRFX_LOG_##level("Function: %s, error code: %s.", \ + __func__, \ + NRFX_LOG_ERROR_STRING_GET(ret_code)) + + +typedef struct { + nrfx_irq_handler_t handler; + bool acquired; +} prs_box_t; + +#define PRS_BOX_DEFINE(n) \ + static prs_box_t m_prs_box_##n = { .handler = NULL, .acquired = false }; \ + void nrfx_prs_box_##n##_irq_handler(void) \ + { \ + NRFX_ASSERT(m_prs_box_##n.handler); \ + m_prs_box_##n.handler(); \ + } + +#if defined(NRFX_PRS_BOX_0_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_0_ENABLED) +PRS_BOX_DEFINE(0) +#endif +#if defined(NRFX_PRS_BOX_1_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_1_ENABLED) +PRS_BOX_DEFINE(1) +#endif +#if defined(NRFX_PRS_BOX_2_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_2_ENABLED) +PRS_BOX_DEFINE(2) +#endif +#if defined(NRFX_PRS_BOX_3_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_3_ENABLED) +PRS_BOX_DEFINE(3) +#endif +#if defined(NRFX_PRS_BOX_4_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_4_ENABLED) +PRS_BOX_DEFINE(4) +#endif + + +static prs_box_t * prs_box_get(void const * p_base_addr) +{ +#if !defined(IS_PRS_BOX) +#define IS_PRS_BOX(n, p_base_addr) ((p_base_addr) == NRFX_PRS_BOX_##n##_ADDR) +#endif + +#if defined(NRFX_PRS_BOX_0_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_0_ENABLED) + if (IS_PRS_BOX(0, p_base_addr)) { return &m_prs_box_0; } + else +#endif +#if defined(NRFX_PRS_BOX_1_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_1_ENABLED) + if (IS_PRS_BOX(1, p_base_addr)) { return &m_prs_box_1; } + else +#endif +#if defined(NRFX_PRS_BOX_2_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_2_ENABLED) + if (IS_PRS_BOX(2, p_base_addr)) { return &m_prs_box_2; } + else +#endif +#if defined(NRFX_PRS_BOX_3_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_3_ENABLED) + if (IS_PRS_BOX(3, p_base_addr)) { return &m_prs_box_3; } + else +#endif +#if defined(NRFX_PRS_BOX_4_ADDR) && NRFX_CHECK(NRFX_PRS_BOX_4_ENABLED) + if (IS_PRS_BOX(4, p_base_addr)) { return &m_prs_box_4; } + else +#endif + { + return NULL; + } +} + +nrfx_err_t nrfx_prs_acquire(void const * p_base_addr, + nrfx_irq_handler_t irq_handler) +{ + NRFX_ASSERT(p_base_addr); + + nrfx_err_t ret_code; + + prs_box_t * p_box = prs_box_get(p_base_addr); + if (p_box != NULL) + { + bool busy = false; + + NRFX_CRITICAL_SECTION_ENTER(); + if (p_box->acquired) + { + busy = true; + } + else + { + p_box->handler = irq_handler; + p_box->acquired = true; + } + NRFX_CRITICAL_SECTION_EXIT(); + + if (busy) + { + ret_code = NRFX_ERROR_BUSY; + LOG_FUNCTION_EXIT(WARNING, ret_code); + return ret_code; + } + } + + ret_code = NRFX_SUCCESS; + LOG_FUNCTION_EXIT(INFO, ret_code); + return ret_code; +} + +void nrfx_prs_release(void const * p_base_addr) +{ + NRFX_ASSERT(p_base_addr); + + prs_box_t * p_box = prs_box_get(p_base_addr); + if (p_box != NULL) + { + p_box->handler = NULL; + p_box->acquired = false; + } +} + + +#endif // NRFX_CHECK(NRFX_PRS_ENABLED) |