nrf5/timer: Adding skeleton for machine timer module for nrf51/52.

nrf5/timer.c

@@ -0,0 +1,86 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "py/nlr.h"
+#include "py/runtime.h"
+#include "py/mphal.h"
+#include "timer.h"
+#include "hal_timer.h"
+
+#if MICROPY_PY_MACHINE_TIMER
+
+typedef struct _machine_timer_obj_t {
+    mp_obj_base_t base;
+    Timer_HandleTypeDef *timer;
+} machine_timer_obj_t;
+
+Timer_HandleTypeDef TimerHandle0 = {.instance = NULL};
+Timer_HandleTypeDef TimerHandle1 = {.instance = NULL};
+Timer_HandleTypeDef TimerHandle2 = {.instance = NULL};
+
+STATIC const machine_timer_obj_t machine_timer_obj[] = {
+    {{&machine_timer_type}, &TimerHandle0},
+    {{&machine_timer_type}, &TimerHandle1},
+    {{&machine_timer_type}, &TimerHandle2},
+};
+
+void timer_init0(void) {
+    // reset the Timer handles
+    memset(&TimerHandle0, 0, sizeof(Timer_HandleTypeDef));
+    TimerHandle0.instance = TIMER0;
+    memset(&TimerHandle1, 0, sizeof(Timer_HandleTypeDef));
+    TimerHandle0.instance = TIMER1;
+    memset(&TimerHandle2, 0, sizeof(Timer_HandleTypeDef));
+    TimerHandle0.instance = TIMER2;
+}
+
+#if 0
+STATIC int timer_find(mp_obj_t id) {
+    // given an integer id
+    int timer_id = mp_obj_get_int(id);
+    if (timer_id >= 0 && timer_id <= MP_ARRAY_SIZE(machine_timer_obj)
+        && machine_timer_obj[timer_id].timer != NULL) {
+        return timer_id;
+    }
+    nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
+        "Timer(%d) does not exist", timer_id));
+}
+#endif
+
+const mp_obj_type_t machine_timer_type = {
+    { &mp_type_type },
+    .name = MP_QSTR_Timer,
+#if 0
+    .print = machine_timer_print,
+    .make_new = machine_timer_make_new,
+    .locals_dict = (mp_obj_t)&machine_timer_locals_dict
+#endif
+};
+
+#endif // MICROPY_PY_MACHINE_TIMER

nrf5/timer.h

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+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef TIMER_H__
+#define TIMER_H__
+
+#include "hal_timer.h"
+
+extern const mp_obj_type_t machine_timer_type;
+
+void timer_init0(void);
+
+#endif // TIMER_H__