327 lines
12 KiB
C
327 lines
12 KiB
C
/*
|
|
* This file is part of the Micro Python project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2013, 2014 Damien P. George
|
|
* Copyright (c) 2015 Daniel Campora
|
|
*
|
|
* 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 <std.h>
|
|
#include <stdint.h>
|
|
|
|
#include "py/mpstate.h"
|
|
#include "mpconfig.h"
|
|
#include MICROPY_HAL_H
|
|
#include "misc.h"
|
|
#include "nlr.h"
|
|
#include "qstr.h"
|
|
#include "obj.h"
|
|
#include "gc.h"
|
|
#include "gccollect.h"
|
|
#include "irq.h"
|
|
#include "inc/hw_types.h"
|
|
#include "inc/hw_gpio.h"
|
|
#include "inc/hw_ints.h"
|
|
#include "inc/hw_memmap.h"
|
|
#include "inc/hw_uart.h"
|
|
#include "prcm.h"
|
|
#include "pyexec.h"
|
|
#include "pybuart.h"
|
|
#include "pybpin.h"
|
|
#include "pybrtc.h"
|
|
#include "pybsystick.h"
|
|
#include "simplelink.h"
|
|
#include "modwlan.h"
|
|
#include "telnet.h"
|
|
#include "ff.h"
|
|
#include "diskio.h"
|
|
#include "sflash_diskio.h"
|
|
#include "FreeRTOS.h"
|
|
#include "portable.h"
|
|
#include "task.h"
|
|
#include "mpexception.h"
|
|
#include "random.h"
|
|
#include "pybextint.h"
|
|
#include "pybi2c.h"
|
|
#include "utils.h"
|
|
|
|
|
|
#ifdef DEBUG
|
|
extern OsiTaskHandle mpTaskHandle;
|
|
extern OsiTaskHandle svTaskHandle;
|
|
extern TaskHandle_t xSimpleLinkSpawnTaskHndl;
|
|
#endif
|
|
|
|
/// \module pyb - functions related to the pyboard
|
|
///
|
|
/// The `pyb` module contains specific functions related to the pyboard.
|
|
|
|
/// \function hard_reset()
|
|
/// Resets the pyboard in a manner similar to pushing the external RESET
|
|
/// button.
|
|
STATIC mp_obj_t pyb_hard_reset(void) {
|
|
// disable wlan services
|
|
wlan_servers_stop();
|
|
wlan_sl_disable();
|
|
// perform a SoC reset
|
|
PRCMSOCReset();
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_hard_reset_obj, pyb_hard_reset);
|
|
|
|
#ifdef DEBUG
|
|
/// \function info([dump_alloc_table])
|
|
/// Print out some run time info which is helpful duirng development.
|
|
STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) {
|
|
// FreeRTOS info
|
|
{
|
|
printf("---------------------------------------------\n");
|
|
printf("FreeRTOS\n");
|
|
printf("---------------------------------------------\n");
|
|
printf("Total heap: %u\n", configTOTAL_HEAP_SIZE);
|
|
printf("Free heap: %u\n", xPortGetFreeHeapSize());
|
|
printf("MpTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)mpTaskHandle));
|
|
printf("ServersTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)svTaskHandle));
|
|
printf("SlTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xSimpleLinkSpawnTaskHndl));
|
|
printf("IdleTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xTaskGetIdleTaskHandle()));
|
|
|
|
uint32_t *pstack = (uint32_t *)&_stack;
|
|
while (*pstack == 0x55555555) {
|
|
pstack++;
|
|
}
|
|
printf("MAIN min free stack: %u\n", pstack - ((uint32_t *)&_stack));
|
|
printf("---------------------------------------------\n");
|
|
}
|
|
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info);
|
|
#endif
|
|
|
|
/// \function unique_id()
|
|
/// Returns a string of 6 bytes (48 bits), which is the unique MAC address of the SoC
|
|
STATIC mp_obj_t pyb_mac(void) {
|
|
uint8_t mac[6];
|
|
wlan_get_mac (mac);
|
|
return mp_obj_new_bytes(mac, 6);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_mac_obj, pyb_mac);
|
|
|
|
/// \function freq()
|
|
/// Returns the CPU frequency: (F_CPU).
|
|
STATIC mp_obj_t pyb_freq(void) {
|
|
return mp_obj_new_int(HAL_FCPU_HZ);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_freq_obj, pyb_freq);
|
|
|
|
/// \function sync()
|
|
/// Sync all file systems.
|
|
STATIC mp_obj_t pyb_sync(void) {
|
|
sflash_disk_flush();
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_sync_obj, pyb_sync);
|
|
|
|
/// \function millis()
|
|
/// Returns the number of milliseconds since the board was last reset.
|
|
///
|
|
/// The result is always a micropython smallint (31-bit signed number), so
|
|
/// after 2^30 milliseconds (about 12.4 days) this will start to return
|
|
/// negative numbers.
|
|
STATIC mp_obj_t pyb_millis(void) {
|
|
// We want to "cast" the 32 bit unsigned into a small-int. This means
|
|
// copying the MSB down 1 bit (extending the sign down), which is
|
|
// equivalent to just using the MP_OBJ_NEW_SMALL_INT macro.
|
|
return MP_OBJ_NEW_SMALL_INT(HAL_GetTick());
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_millis_obj, pyb_millis);
|
|
|
|
/// \function elapsed_millis(start)
|
|
/// Returns the number of milliseconds which have elapsed since `start`.
|
|
///
|
|
/// This function takes care of counter wrap, and always returns a positive
|
|
/// number. This means it can be used to measure periods upto about 12.4 days.
|
|
///
|
|
/// Example:
|
|
/// start = pyb.millis()
|
|
/// while pyb.elapsed_millis(start) < 1000:
|
|
/// # Perform some operation
|
|
STATIC mp_obj_t pyb_elapsed_millis(mp_obj_t start) {
|
|
uint32_t startMillis = mp_obj_get_int(start);
|
|
uint32_t currMillis = HAL_GetTick();
|
|
return MP_OBJ_NEW_SMALL_INT((currMillis - startMillis) & 0x3fffffff);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_millis_obj, pyb_elapsed_millis);
|
|
|
|
/// \function micros()
|
|
/// Returns the number of microseconds since the board was last reset.
|
|
///
|
|
/// The result is always a micropython smallint (31-bit signed number), so
|
|
/// after 2^30 microseconds (about 17.8 minutes) this will start to return
|
|
/// negative numbers.
|
|
STATIC mp_obj_t pyb_micros(void) {
|
|
// We want to "cast" the 32 bit unsigned into a small-int. This means
|
|
// copying the MSB down 1 bit (extending the sign down), which is
|
|
// equivalent to just using the MP_OBJ_NEW_SMALL_INT macro.
|
|
return MP_OBJ_NEW_SMALL_INT(sys_tick_get_microseconds());
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_micros_obj, pyb_micros);
|
|
|
|
/// \function elapsed_micros(start)
|
|
/// Returns the number of microseconds which have elapsed since `start`.
|
|
///
|
|
/// This function takes care of counter wrap, and always returns a positive
|
|
/// number. This means it can be used to measure periods upto about 17.8 minutes.
|
|
///
|
|
/// Example:
|
|
/// start = pyb.micros()
|
|
/// while pyb.elapsed_micros(start) < 1000:
|
|
/// # Perform some operation
|
|
STATIC mp_obj_t pyb_elapsed_micros(mp_obj_t start) {
|
|
uint32_t startMicros = mp_obj_get_int(start);
|
|
uint32_t currMicros = sys_tick_get_microseconds();
|
|
return MP_OBJ_NEW_SMALL_INT((currMicros - startMicros) & 0x3fffffff);
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_micros_obj, pyb_elapsed_micros);
|
|
|
|
/// \function delay(ms)
|
|
/// Delay for the given number of milliseconds.
|
|
STATIC mp_obj_t pyb_delay(mp_obj_t ms_in) {
|
|
mp_int_t ms = mp_obj_get_int(ms_in);
|
|
if (ms > 0) {
|
|
HAL_Delay(ms);
|
|
}
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay);
|
|
|
|
/// \function udelay(us)
|
|
/// Delay for the given number of microseconds.
|
|
STATIC mp_obj_t pyb_udelay(mp_obj_t usec_in) {
|
|
mp_int_t usec = mp_obj_get_int(usec_in);
|
|
if (usec > 0) {
|
|
UtilsDelay(UTILS_DELAY_US_TO_COUNT(usec));
|
|
}
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay);
|
|
|
|
STATIC mp_obj_t pyb_stop(void) {
|
|
return mp_const_none;
|
|
}
|
|
|
|
MP_DEFINE_CONST_FUN_OBJ_0(pyb_stop_obj, pyb_stop);
|
|
|
|
STATIC mp_obj_t pyb_standby(void) {
|
|
return mp_const_none;
|
|
}
|
|
|
|
MP_DEFINE_CONST_FUN_OBJ_0(pyb_standby_obj, pyb_standby);
|
|
|
|
/// \function repl_uart(uart)
|
|
/// Get or set the UART object that the REPL is repeated on.
|
|
STATIC mp_obj_t pyb_repl_uart(uint n_args, const mp_obj_t *args) {
|
|
if (n_args == 0) {
|
|
if (MP_STATE_PORT(pyb_stdio_uart) == NULL) {
|
|
return mp_const_none;
|
|
} else {
|
|
return MP_STATE_PORT(pyb_stdio_uart);
|
|
}
|
|
} else {
|
|
if (args[0] == mp_const_none) {
|
|
MP_STATE_PORT(pyb_stdio_uart) = NULL;
|
|
} else if (mp_obj_get_type(args[0]) == &pyb_uart_type) {
|
|
MP_STATE_PORT(pyb_stdio_uart) = args[0];
|
|
} else {
|
|
nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_num_type_invalid_arguments));
|
|
}
|
|
return mp_const_none;
|
|
}
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_repl_uart_obj, 0, 1, pyb_repl_uart);
|
|
|
|
/// \function mkdisk('path')
|
|
/// Formats the selected drive, useful when the filesystem has been damaged beyond repair
|
|
STATIC mp_obj_t pyb_mkdisk(mp_obj_t path_o) {
|
|
const char *path = mp_obj_str_get_str(path_o);
|
|
if (FR_OK != f_mkfs(path, 1, 0)) {
|
|
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, mpexception_os_operation_failed));
|
|
}
|
|
return mp_const_none;
|
|
}
|
|
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_mkdisk_obj, pyb_mkdisk);
|
|
|
|
MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c
|
|
|
|
STATIC const mp_map_elem_t pyb_module_globals_table[] = {
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) },
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_hard_reset), (mp_obj_t)&pyb_hard_reset_obj },
|
|
#ifdef DEBUG
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pyb_info_obj },
|
|
#endif
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_mac), (mp_obj_t)&pyb_mac_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_freq), (mp_obj_t)&pyb_freq_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_repl_info), (mp_obj_t)&pyb_set_repl_info_obj },
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_wfi), (mp_obj_t)&pyb_wfi_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_disable_irq), (mp_obj_t)&pyb_disable_irq_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_enable_irq), (mp_obj_t)&pyb_enable_irq_obj },
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_stop), (mp_obj_t)&pyb_stop_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_standby), (mp_obj_t)&pyb_standby_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_main), (mp_obj_t)&pyb_main_obj },
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_repl_uart), (mp_obj_t)&pyb_repl_uart_obj },
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_millis), (mp_obj_t)&pyb_millis_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_millis), (mp_obj_t)&pyb_elapsed_millis_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_micros), (mp_obj_t)&pyb_micros_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_micros), (mp_obj_t)&pyb_elapsed_micros_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_delay), (mp_obj_t)&pyb_delay_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_udelay), (mp_obj_t)&pyb_udelay_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&pyb_sync_obj },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_mkdisk), (mp_obj_t)&pyb_mkdisk_obj },
|
|
|
|
#if MICROPY_HW_ENABLE_RNG
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_rng), (mp_obj_t)&pyb_rng_get_obj },
|
|
#endif
|
|
|
|
#if MICROPY_HW_ENABLE_RTC
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_RTC), (mp_obj_t)&pyb_rtc_type },
|
|
#endif
|
|
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_Pin), (mp_obj_t)&pin_type },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_ExtInt), (mp_obj_t)&extint_type },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_i2c_type },
|
|
{ MP_OBJ_NEW_QSTR(MP_QSTR_UART), (mp_obj_t)&pyb_uart_type },
|
|
};
|
|
|
|
STATIC MP_DEFINE_CONST_DICT(pyb_module_globals, pyb_module_globals_table);
|
|
|
|
const mp_obj_module_t pyb_module = {
|
|
.base = { &mp_type_module },
|
|
.name = MP_QSTR_pyb,
|
|
.globals = (mp_obj_dict_t*)&pyb_module_globals,
|
|
};
|