Basic Mikro-e 6LoWPAN clicker support

platform/mikro-e/Makefile.mikro-e

@@ -0,0 +1,19 @@
+ifndef CONTIKI
+  $(error CONTIKI not defined! You must specify where CONTIKI resides!)
+endif
+
+PIC32_MODEL=32MX470F512H
+
+CONTIKI_PLAT_DEFS += -D __USE_TIMER__
+CONTIKI_PLAT_DEFS += -D __USE_TIMER_1__ -D PIC32_TIMER_CLOCK=1
+CONTIKI_PLAT_DEFS += -D __USE_TIMER_23__ -D PIC32_TIMER_RTIMER=23
+
+CONTIKI_PLAT_DEFS += -D __USE_UART__
+CONTIKI_PLAT_DEFS += -D __USE_UART_PORT3__
+CONTIKI_PLAT_DEFS += -D __USE_UART_PORT3_FOR_DEBUG__
+
+CONTIKI_TARGET_SOURCEFILES = contiki-mikro-e-main.c leds-arch.c platform-init.c
+
+CONTIKI_SOURCEFILES += $(CONTIKI_TARGET_SOURCEFILES)
+
+include $(CONTIKI)/cpu/pic32/Makefile.pic32

platform/mikro-e/contiki-conf.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2015, Imagination Technologies Limited and/or its
+ * affiliated group companies.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifndef CONTIKI_CONF_H
+#define CONTIKI_CONF_H
+
+#include <inttypes.h>
+
+#define CCIF
+#define CLIF
+
+typedef uint16_t uip_stats_t;
+typedef uint32_t clock_time_t;
+typedef uint32_t rtimer_clock_t;
+
+#define RTIMER_CLOCK_DIFF(a, b) ((int32_t)((a) - (b)) < 0)
+
+#define CLOCK_CONF_SECOND                       1024
+
+#endif /* CONTIKI_CONF_H */

platform/mikro-e/contiki-mikro-e-main.c

@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015, Imagination Technologies Limited and/or its
+ * affiliated group companies.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+/*
+   The mikro-e platform is based on the PIC32MX470F512H with MIPS32 core.
+ */
+#include <contiki.h>
+#include <clock.h>
+#include <pic32.h>
+#include <pic32_clock.h>
+#include <dev/watchdog.h>
+#include <platform-init.h>
+#include <debug-uart.h>
+
+#define UART_DEBUG_BAUDRATE 115200
+
+/*---------------------------------------------------------------------------*/
+int
+main(int argc, char **argv)
+{
+  int32_t r;
+
+  pic32_init();
+  watchdog_init();
+  clock_init();
+  platform_init();
+
+  process_init();
+  process_start(&etimer_process, NULL);
+  ctimer_init();
+  rtimer_init();
+
+  dbg_setup_uart(UART_DEBUG_BAUDRATE);
+
+  autostart_start(autostart_processes);
+  watchdog_start();
+
+  while(1) {
+    do {
+      watchdog_periodic();
+      r = process_run();
+    } while(r > 0);
+    watchdog_stop();
+    asm volatile ("wait");
+    watchdog_start();
+  }
+
+  return 0;
+}
+/*---------------------------------------------------------------------------*/

platform/mikro-e/leds-arch.c

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2015, Imagination Technologies Limited and/or its
+ * affiliated group companies.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "contiki-conf.h"
+#include "dev/leds.h"
+
+/* Dummy definitions for led methods in dev/leds.h used in cpu/pic32 files */
+
+/*---------------------------------------------------------------------------*/
+void
+leds_arch_init(void)
+{
+}
+/*---------------------------------------------------------------------------*/
+unsigned char
+leds_arch_get(void)
+{
+  return 0;
+}
+/*---------------------------------------------------------------------------*/
+void
+leds_arch_set(unsigned char leds)
+{
+}
+/*---------------------------------------------------------------------------*/

platform/mikro-e/platform-init.c

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2015, Imagination Technologies Limited and/or its
+ * affiliated group companies.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "platform-init.h"
+#include <p32xxxx.h>
+#include <pic32_irq.h>
+
+/*---------------------------------------------------------------------------*/
+void
+platform_init()
+{
+  /* Disable interrupts */
+  ASM_DIS_INT;
+
+  /* Unlock sequence */
+  SYSKEY = 0;
+  SYSKEY = 0xaa996655;
+  SYSKEY = 0x556699aa;
+  CFGCONbits.IOLOCK = 0;
+
+  /* Configure remappable pins */
+
+  /* Uart3 Tx : RPF4 */
+  TRISFCLR = _TRISF_TRISF4_MASK;
+  RPF4R = 0b0001;
+
+  /* Uart3 Rx : RPF5 */
+  TRISFSET = _TRISF_TRISF5_MASK;
+  U3RXR = 0b0010;
+
+  /* TODO : Configure SPI and other pins */
+
+  /* Lock again */
+  CFGCONbits.IOLOCK = 1;
+  SYSKEY = 0;
+
+  /* Enable interrupts */
+  ASM_EN_INT;
+}
+/*---------------------------------------------------------------------------*/

platform/mikro-e/platform-init.h

@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2015, Imagination Technologies Limited and/or its
+ * affiliated group companies.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ */
+
+#ifndef PLATFORM_INIT_H
+#define PLATFORM_INIT_H
+
+void platform_init();
+
+#endif /* PLATFORM_INIT_H */