1 files changed, 71 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/max9850/max9850.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/max9850/max9850.c
new file mode 100644
index 0000000..bd765a1
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/max9850/max9850.c
@@ -0,0 +1,71 @@
+/**
+ * Copyright (c) 2016 - 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 "max9850.h"
+
+#include <string.h>
+
+ret_code_t max9850_init(max9850_config_t const * p_max9850)
+{
+    ret_code_t ret = NRF_SUCCESS;
+
+    ret = nrf_drv_twi_init(&p_max9850->twi, &p_max9850->twi_cfg, NULL, NULL);
+    if (ret != NRF_SUCCESS)
+    {
+        return ret;
+    }
+
+    nrf_drv_twi_enable(&p_max9850->twi);
+
+    /*Probe device*/
+    uint8_t rx[] = {0};
+    ret = nrf_drv_twi_rx(&p_max9850->twi, p_max9850->twi_addr, rx, sizeof(rx));
+    if (ret != NRF_SUCCESS)
+    {
+        return ret;
+    }
+
+    uint8_t regs[sizeof(max9850_regmap_t) + 1];
+
+    regs[0] = 0x00;
+    memcpy(regs + 1, &p_max9850->regmap, sizeof(max9850_regmap_t));
+
+    /*Write configuration*/
+    return nrf_drv_twi_tx(&p_max9850->twi, p_max9850->twi_addr, regs, sizeof(regs), false);
+}