1 files changed, 135 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/integration/nrfx/legacy/nrf_drv_spi.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/integration/nrfx/legacy/nrf_drv_spi.c
new file mode 100644
index 0000000..1835a64
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/integration/nrfx/legacy/nrf_drv_spi.c
@@ -0,0 +1,135 @@
+/**
+ * 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 "nrf_drv_spi.h"
+
+#ifdef SPIM_PRESENT
+#define INSTANCE_COUNT   SPIM_COUNT
+#else
+#define INSTANCE_COUNT   SPI_COUNT
+#endif
+
+static nrf_drv_spi_evt_handler_t m_handlers[INSTANCE_COUNT];
+static void *                    m_contexts[INSTANCE_COUNT];
+
+#ifdef SPIM_PRESENT
+static void spim_evt_handler(nrfx_spim_evt_t const * p_event,
+                             void *                  p_context)
+{
+    uint32_t inst_idx = (uint32_t)p_context;
+    nrf_drv_spi_evt_t const event =
+    {
+        .type = (nrf_drv_spi_evt_type_t)p_event->type,
+        .data =
+        {
+            .done =
+            {
+                .p_tx_buffer = p_event->xfer_desc.p_tx_buffer,
+                .tx_length   = p_event->xfer_desc.tx_length,
+                .p_rx_buffer = p_event->xfer_desc.p_rx_buffer,
+                .rx_length   = p_event->xfer_desc.rx_length,
+            }
+        }
+    };
+    m_handlers[inst_idx](&event, m_contexts[inst_idx]);
+}
+#endif // SPIM_PRESENT
+
+#ifdef SPI_PRESENT
+static void spi_evt_handler(nrfx_spi_evt_t const * p_event,
+                            void *                 p_context)
+{
+    uint32_t inst_idx = (uint32_t)p_context;
+    nrf_drv_spi_evt_t const event =
+    {
+        .type = (nrf_drv_spi_evt_type_t)p_event->type,
+        .data =
+        {
+            .done =
+            {
+                .p_tx_buffer = p_event->xfer_desc.p_tx_buffer,
+                .tx_length   = p_event->xfer_desc.tx_length,
+                .p_rx_buffer = p_event->xfer_desc.p_rx_buffer,
+                .rx_length   = p_event->xfer_desc.rx_length,
+            }
+        }
+    };
+    m_handlers[inst_idx](&event, m_contexts[inst_idx]);
+}
+#endif // SPI_PRESENT
+
+ret_code_t nrf_drv_spi_init(nrf_drv_spi_t const * const p_instance,
+                            nrf_drv_spi_config_t const * p_config,
+                            nrf_drv_spi_evt_handler_t    handler,
+                            void *                       p_context)
+{
+    uint32_t inst_idx = p_instance->inst_idx;
+    m_handlers[inst_idx] = handler;
+    m_contexts[inst_idx] = p_context;
+
+    ret_code_t result = 0;
+    if (NRF_DRV_SPI_USE_SPIM)
+    {
+#ifdef SPIM_PRESENT
+        nrfx_spim_config_t config_spim = NRFX_SPIM_DEFAULT_CONFIG;
+        config_spim.sck_pin        = p_config->sck_pin;
+        config_spim.mosi_pin       = p_config->mosi_pin;
+        config_spim.miso_pin       = p_config->miso_pin;
+        config_spim.ss_pin         = p_config->ss_pin;
+        config_spim.irq_priority   = p_config->irq_priority;
+        config_spim.orc            = p_config->orc;
+        config_spim.frequency      = (nrf_spim_frequency_t)p_config->frequency;
+        config_spim.mode           = (nrf_spim_mode_t)p_config->mode;
+        config_spim.bit_order      = (nrf_spim_bit_order_t)p_config->bit_order;
+        result = nrfx_spim_init(&p_instance->u.spim,
+                                &config_spim,
+                                handler ? spim_evt_handler : NULL,
+                                (void *)inst_idx);
+#endif
+    }
+    else if (NRF_DRV_SPI_USE_SPI)
+    {
+        result = nrfx_spi_init(&p_instance->u.spi,
+                               (nrfx_spi_config_t const *)p_config,
+                               handler ? spi_evt_handler : NULL,
+                               (void *)inst_idx);
+    }
+    return result;
+}