[examples] change example platform namespacing (#2927)

examples/platforms/samr21/system.c

@@ -0,0 +1,194 @@
+/*
+ *  Copyright (c) 2017, The OpenThread Authors.
+ *  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 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 the copyright holder nor the
+ *     names of its contributors may be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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.
+ */
+
+/**
+ * @file
+ * @brief
+ *   This file includes the platform-specific initializers.
+ */
+
+#include "asf.h"
+
+#include "openthread-system.h"
+
+#include "platform-samr21.h"
+
+#include "utils/code_utils.h"
+
+#ifdef CONF_USER_ROW_EXIST
+
+#include "user_row.h"
+
+samr21UserRow *sUserRow = (samr21UserRow *)SAMR21_USER_ROW;
+
+#endif
+
+#ifdef CONF_KIT_DATA_EXIST
+
+#define EDBG_ADDRESS 0x28
+
+#define EDBG_KIT_DATA_TOKEN 0xD2;
+
+#define KIT_DATA_MAX_RETRY 1000
+
+static uint8_t sIeeeEui64[OT_EXT_ADDRESS_SIZE];
+
+struct i2c_master_module sI2cMasterInstance;
+
+static void configureI2cMaster()
+{
+    /* Create and initialize config structure */
+    struct i2c_master_config configI2c;
+    i2c_master_get_config_defaults(&configI2c);
+
+    /* Change pins */
+    configI2c.pinmux_pad0 = EDBG_I2C_SERCOM_PINMUX_PAD0;
+    configI2c.pinmux_pad1 = EDBG_I2C_SERCOM_PINMUX_PAD1;
+
+    /* Initialize and enable device with config */
+    i2c_master_init(&sI2cMasterInstance, EDBG_I2C_MODULE, &configI2c);
+
+    i2c_master_enable(&sI2cMasterInstance);
+}
+
+static void getKitData()
+{
+    uint8_t                  requestToken = EDBG_KIT_DATA_TOKEN;
+    uint32_t                 timeout;
+    struct i2c_master_packet masterPacket;
+
+    /** Send the request token */
+    masterPacket.address         = EDBG_ADDRESS;
+    masterPacket.data_length     = 1;
+    masterPacket.data            = &requestToken;
+    masterPacket.ten_bit_address = false;
+    masterPacket.high_speed      = false;
+    masterPacket.hs_master_code  = 0x0;
+
+    timeout = 0;
+
+    while (i2c_master_write_packet_wait_no_stop(&sI2cMasterInstance, &masterPacket) != STATUS_OK)
+    {
+        /* Increment timeout counter and check if timed out. */
+        otEXPECT(timeout++ < KIT_DATA_MAX_RETRY);
+    }
+
+    /** Get the extension boards info */
+    masterPacket.data_length = OT_EXT_ADDRESS_SIZE;
+    masterPacket.data        = sIeeeEui64;
+
+    timeout = 0;
+
+    while (i2c_master_read_packet_wait(&sI2cMasterInstance, &masterPacket) != STATUS_OK)
+    {
+        /* Increment timeout counter and check if timed out. */
+        otEXPECT(timeout++ < KIT_DATA_MAX_RETRY);
+    }
+
+exit:
+
+    return;
+}
+
+#endif
+
+otInstance *sInstance;
+
+void boardInit(void)
+{
+    struct port_config pin_conf;
+
+    port_get_config_defaults(&pin_conf);
+    pin_conf.direction = PORT_PIN_DIR_OUTPUT;
+    port_pin_set_config(AT86RFX_SPI_SCK, &pin_conf);
+    port_pin_set_config(AT86RFX_SPI_MOSI, &pin_conf);
+    port_pin_set_config(AT86RFX_SPI_CS, &pin_conf);
+    port_pin_set_config(AT86RFX_RST_PIN, &pin_conf);
+    port_pin_set_config(AT86RFX_SLP_PIN, &pin_conf);
+    port_pin_set_output_level(AT86RFX_SPI_SCK, true);
+    port_pin_set_output_level(AT86RFX_SPI_MOSI, true);
+    port_pin_set_output_level(AT86RFX_SPI_CS, true);
+    port_pin_set_output_level(AT86RFX_RST_PIN, true);
+    port_pin_set_output_level(AT86RFX_SLP_PIN, true);
+
+    pin_conf.direction = PORT_PIN_DIR_INPUT;
+    port_pin_set_config(AT86RFX_SPI_MISO, &pin_conf);
+}
+
+void samr21GetIeeeEui64(otInstance *aInstance, uint8_t *aIeeeEui64)
+{
+#if defined(CONF_KIT_DATA_EXIST)
+
+    memcpy(aIeeeEui64, sIeeeEui64, OT_EXT_ADDRESS_SIZE);
+
+#elif defined(CONF_USER_ROW_EXIST)
+
+    for (uint8_t i = 0; i < OT_EXT_ADDRESS_SIZE; i++)
+    {
+        aIeeeEui64[i] = sUserRow->mMacAddress[OT_EXT_ADDRESS_SIZE - i - 1];
+    }
+
+#else
+
+#error Platform IEEE EUI-64 shall be provided
+
+#endif
+}
+
+void otSysInit(int argc, char *argv[])
+{
+    system_clock_init();
+
+    boardInit();
+
+#ifdef CONF_KIT_DATA_EXIST
+    configureI2cMaster();
+    getKitData();
+#endif
+
+    samr21AlarmInit();
+    samr21RadioInit();
+}
+
+bool otSysPseudoResetWasRequested(void)
+{
+    return false;
+}
+
+void otSysDeinit(void)
+{
+}
+
+void otSysProcessDrivers(otInstance *aInstance)
+{
+    sInstance = aInstance;
+
+    samr21UartProcess();
+    samr21AlarmProcess(aInstance);
+    samr21RadioProcess(aInstance);
+}