2015-02-06 14:35:48 +00:00
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/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2013, 2014 Damien P. George
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* Copyright (c) 2015 Daniel Campora
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <std.h>
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#include <stdint.h>
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#include "py/mpstate.h"
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#include MICROPY_HAL_H
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#include "irq.h"
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#include "inc/hw_types.h"
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#include "inc/hw_gpio.h"
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#include "inc/hw_ints.h"
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#include "inc/hw_memmap.h"
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#include "inc/hw_uart.h"
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#include "prcm.h"
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#include "pyexec.h"
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#include "pybuart.h"
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2015-02-09 18:38:02 +00:00
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#include "pybpin.h"
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2015-02-06 14:35:48 +00:00
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#include "pybrtc.h"
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#include "pybsystick.h"
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#include "simplelink.h"
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#include "modwlan.h"
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#include "telnet.h"
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#include "ff.h"
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#include "diskio.h"
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#include "sflash_diskio.h"
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#include "FreeRTOS.h"
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#include "portable.h"
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#include "task.h"
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#include "mpexception.h"
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#include "random.h"
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#include "pybextint.h"
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2015-02-19 20:03:21 +00:00
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#include "pybadc.h"
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2015-02-10 12:11:27 +00:00
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#include "pybi2c.h"
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2015-02-21 13:10:33 +00:00
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#include "pybsd.h"
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2015-02-10 12:11:27 +00:00
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#include "utils.h"
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2015-02-22 16:31:26 +00:00
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#include "gccollect.h"
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2015-02-06 14:35:48 +00:00
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#ifdef DEBUG
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extern OsiTaskHandle mpTaskHandle;
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extern OsiTaskHandle svTaskHandle;
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2015-02-22 16:31:26 +00:00
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extern OsiTaskHandle xSimpleLinkSpawnTaskHndl;
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2015-02-06 14:35:48 +00:00
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#endif
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/// \module pyb - functions related to the pyboard
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///
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/// The `pyb` module contains specific functions related to the pyboard.
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/// \function hard_reset()
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/// Resets the pyboard in a manner similar to pushing the external RESET
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/// button.
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STATIC mp_obj_t pyb_hard_reset(void) {
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// disable wlan services
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wlan_servers_stop();
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wlan_sl_disable();
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// perform a SoC reset
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PRCMSOCReset();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_hard_reset_obj, pyb_hard_reset);
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#ifdef DEBUG
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/// \function info([dump_alloc_table])
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/// Print out some run time info which is helpful duirng development.
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STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) {
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// FreeRTOS info
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{
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printf("---------------------------------------------\n");
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printf("FreeRTOS\n");
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printf("---------------------------------------------\n");
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printf("Total heap: %u\n", configTOTAL_HEAP_SIZE);
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printf("Free heap: %u\n", xPortGetFreeHeapSize());
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printf("MpTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)mpTaskHandle));
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printf("ServersTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)svTaskHandle));
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printf("SlTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xSimpleLinkSpawnTaskHndl));
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printf("IdleTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xTaskGetIdleTaskHandle()));
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uint32_t *pstack = (uint32_t *)&_stack;
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while (*pstack == 0x55555555) {
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pstack++;
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}
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printf("MAIN min free stack: %u\n", pstack - ((uint32_t *)&_stack));
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printf("---------------------------------------------\n");
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info);
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#endif
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/// \function unique_id()
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/// Returns a string of 6 bytes (48 bits), which is the unique MAC address of the SoC
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STATIC mp_obj_t pyb_mac(void) {
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uint8_t mac[6];
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wlan_get_mac (mac);
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return mp_obj_new_bytes(mac, 6);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_mac_obj, pyb_mac);
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/// \function freq()
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/// Returns the CPU frequency: (F_CPU).
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STATIC mp_obj_t pyb_freq(void) {
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return mp_obj_new_int(HAL_FCPU_HZ);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_freq_obj, pyb_freq);
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/// \function sync()
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/// Sync all file systems.
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STATIC mp_obj_t pyb_sync(void) {
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sflash_disk_flush();
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_sync_obj, pyb_sync);
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/// \function millis()
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/// Returns the number of milliseconds since the board was last reset.
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///
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/// The result is always a micropython smallint (31-bit signed number), so
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/// after 2^30 milliseconds (about 12.4 days) this will start to return
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/// negative numbers.
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STATIC mp_obj_t pyb_millis(void) {
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// We want to "cast" the 32 bit unsigned into a small-int. This means
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// copying the MSB down 1 bit (extending the sign down), which is
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// equivalent to just using the MP_OBJ_NEW_SMALL_INT macro.
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return MP_OBJ_NEW_SMALL_INT(HAL_GetTick());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_millis_obj, pyb_millis);
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/// \function elapsed_millis(start)
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/// Returns the number of milliseconds which have elapsed since `start`.
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///
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/// This function takes care of counter wrap, and always returns a positive
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/// number. This means it can be used to measure periods upto about 12.4 days.
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///
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/// Example:
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/// start = pyb.millis()
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/// while pyb.elapsed_millis(start) < 1000:
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/// # Perform some operation
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STATIC mp_obj_t pyb_elapsed_millis(mp_obj_t start) {
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uint32_t startMillis = mp_obj_get_int(start);
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uint32_t currMillis = HAL_GetTick();
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return MP_OBJ_NEW_SMALL_INT((currMillis - startMillis) & 0x3fffffff);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_millis_obj, pyb_elapsed_millis);
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/// \function micros()
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/// Returns the number of microseconds since the board was last reset.
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///
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/// The result is always a micropython smallint (31-bit signed number), so
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/// after 2^30 microseconds (about 17.8 minutes) this will start to return
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/// negative numbers.
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STATIC mp_obj_t pyb_micros(void) {
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// We want to "cast" the 32 bit unsigned into a small-int. This means
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// copying the MSB down 1 bit (extending the sign down), which is
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// equivalent to just using the MP_OBJ_NEW_SMALL_INT macro.
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return MP_OBJ_NEW_SMALL_INT(sys_tick_get_microseconds());
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_micros_obj, pyb_micros);
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/// \function elapsed_micros(start)
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/// Returns the number of microseconds which have elapsed since `start`.
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///
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/// This function takes care of counter wrap, and always returns a positive
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/// number. This means it can be used to measure periods upto about 17.8 minutes.
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///
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/// Example:
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/// start = pyb.micros()
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/// while pyb.elapsed_micros(start) < 1000:
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/// # Perform some operation
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STATIC mp_obj_t pyb_elapsed_micros(mp_obj_t start) {
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uint32_t startMicros = mp_obj_get_int(start);
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uint32_t currMicros = sys_tick_get_microseconds();
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return MP_OBJ_NEW_SMALL_INT((currMicros - startMicros) & 0x3fffffff);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_micros_obj, pyb_elapsed_micros);
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/// \function delay(ms)
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/// Delay for the given number of milliseconds.
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STATIC mp_obj_t pyb_delay(mp_obj_t ms_in) {
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mp_int_t ms = mp_obj_get_int(ms_in);
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if (ms > 0) {
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HAL_Delay(ms);
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay);
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/// \function udelay(us)
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/// Delay for the given number of microseconds.
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STATIC mp_obj_t pyb_udelay(mp_obj_t usec_in) {
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mp_int_t usec = mp_obj_get_int(usec_in);
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if (usec > 0) {
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2015-02-10 12:11:27 +00:00
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UtilsDelay(UTILS_DELAY_US_TO_COUNT(usec));
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2015-02-06 14:35:48 +00:00
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay);
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STATIC mp_obj_t pyb_stop(void) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(pyb_stop_obj, pyb_stop);
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STATIC mp_obj_t pyb_standby(void) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(pyb_standby_obj, pyb_standby);
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/// \function repl_uart(uart)
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/// Get or set the UART object that the REPL is repeated on.
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STATIC mp_obj_t pyb_repl_uart(uint n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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2015-02-20 15:31:30 +00:00
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if (pyb_stdio_uart == NULL) {
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2015-02-06 14:35:48 +00:00
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return mp_const_none;
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} else {
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2015-02-20 15:31:30 +00:00
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return pyb_stdio_uart;
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2015-02-06 14:35:48 +00:00
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}
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} else {
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if (args[0] == mp_const_none) {
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2015-02-20 15:31:30 +00:00
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pyb_stdio_uart = NULL;
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2015-02-06 14:35:48 +00:00
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} else if (mp_obj_get_type(args[0]) == &pyb_uart_type) {
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2015-02-20 15:31:30 +00:00
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pyb_stdio_uart = args[0];
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2015-02-06 14:35:48 +00:00
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} else {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_num_type_invalid_arguments));
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}
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return mp_const_none;
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}
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_repl_uart_obj, 0, 1, pyb_repl_uart);
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2015-02-10 12:11:27 +00:00
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/// \function mkdisk('path')
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/// Formats the selected drive, useful when the filesystem has been damaged beyond repair
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STATIC mp_obj_t pyb_mkdisk(mp_obj_t path_o) {
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const char *path = mp_obj_str_get_str(path_o);
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if (FR_OK != f_mkfs(path, 1, 0)) {
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nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
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}
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return mp_const_none;
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_mkdisk_obj, pyb_mkdisk);
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2015-02-06 14:35:48 +00:00
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MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c
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STATIC const mp_map_elem_t pyb_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_hard_reset), (mp_obj_t)&pyb_hard_reset_obj },
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#ifdef DEBUG
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{ MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pyb_info_obj },
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#endif
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mac), (mp_obj_t)&pyb_mac_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_freq), (mp_obj_t)&pyb_freq_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_repl_info), (mp_obj_t)&pyb_set_repl_info_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_wfi), (mp_obj_t)&pyb_wfi_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_disable_irq), (mp_obj_t)&pyb_disable_irq_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_enable_irq), (mp_obj_t)&pyb_enable_irq_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_stop), (mp_obj_t)&pyb_stop_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_standby), (mp_obj_t)&pyb_standby_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_main), (mp_obj_t)&pyb_main_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_repl_uart), (mp_obj_t)&pyb_repl_uart_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_millis), (mp_obj_t)&pyb_millis_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_millis), (mp_obj_t)&pyb_elapsed_millis_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_micros), (mp_obj_t)&pyb_micros_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_micros), (mp_obj_t)&pyb_elapsed_micros_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_delay), (mp_obj_t)&pyb_delay_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_udelay), (mp_obj_t)&pyb_udelay_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&pyb_sync_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_mkdisk), (mp_obj_t)&pyb_mkdisk_obj },
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2015-02-06 14:35:48 +00:00
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#if MICROPY_HW_ENABLE_RNG
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{ MP_OBJ_NEW_QSTR(MP_QSTR_rng), (mp_obj_t)&pyb_rng_get_obj },
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#endif
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#if MICROPY_HW_ENABLE_RTC
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{ MP_OBJ_NEW_QSTR(MP_QSTR_RTC), (mp_obj_t)&pyb_rtc_type },
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#endif
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2015-02-09 18:38:02 +00:00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_Pin), (mp_obj_t)&pin_type },
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2015-02-06 14:35:48 +00:00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ExtInt), (mp_obj_t)&extint_type },
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2015-02-19 20:03:21 +00:00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&pyb_adc_type },
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2015-02-10 12:11:27 +00:00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_i2c_type },
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2015-02-06 14:35:48 +00:00
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{ MP_OBJ_NEW_QSTR(MP_QSTR_UART), (mp_obj_t)&pyb_uart_type },
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2015-02-21 13:10:33 +00:00
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#if MICROPY_HW_HAS_SDCARD
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SD), (mp_obj_t)&pyb_sdcard_obj },
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#endif
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2015-02-06 14:35:48 +00:00
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};
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STATIC MP_DEFINE_CONST_DICT(pyb_module_globals, pyb_module_globals_table);
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const mp_obj_module_t pyb_module = {
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.base = { &mp_type_module },
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.name = MP_QSTR_pyb,
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.globals = (mp_obj_dict_t*)&pyb_module_globals,
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};
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