203 lines
7.5 KiB
C
203 lines
7.5 KiB
C
/*
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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) 2013-2015 Damien P. George
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* Copyright (c) 2016 Glenn Ruben Bakke
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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 <stdio.h>
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#include "modmachine.h"
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#include "py/gc.h"
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#include "py/runtime.h"
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#include "py/mphal.h"
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#include "extmod/machine_mem.h"
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#include "extmod/machine_pulse.h"
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#include "extmod/machine_i2c.h"
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#include "lib/utils/pyexec.h"
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#include "lib/fatfs/ff.h"
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#include "lib/fatfs/diskio.h"
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#include "gccollect.h"
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#include "pin.h"
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#include "spi.h"
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#include "i2c.h"
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#if MICROPY_PY_MACHINE_PWM
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#include "pwm.h"
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#endif
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#if MICROPY_PY_MACHINE_ADC
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#include "adc.h"
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#endif
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#define PYB_RESET_HARD (0)
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#define PYB_RESET_WDT (1)
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#define PYB_RESET_SOFT (2)
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#define PYB_RESET_LOCKUP (3)
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#define PYB_RESET_POWER_ON (16)
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#define PYB_RESET_LPCOMP (17)
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#define PYB_RESET_DIF (18)
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#define PYB_RESET_NFC (19)
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STATIC uint32_t reset_cause;
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void machine_init(void) {
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uint32_t state = NRF_POWER->RESETREAS;
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if (state & POWER_RESETREAS_RESETPIN_Msk) {
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reset_cause = PYB_RESET_HARD;
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} else if (state & POWER_RESETREAS_DOG_Msk) {
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reset_cause = PYB_RESET_WDT;
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} else if (state & POWER_RESETREAS_SREQ_Msk) {
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reset_cause = PYB_RESET_SOFT;
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} else if (state & POWER_RESETREAS_LOCKUP_Msk) {
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reset_cause = PYB_RESET_LOCKUP;
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} else if (state & POWER_RESETREAS_OFF_Msk) {
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reset_cause = PYB_RESET_POWER_ON;
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} else if (state & POWER_RESETREAS_LPCOMP_Msk) {
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reset_cause = PYB_RESET_LPCOMP;
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} else if (state & POWER_RESETREAS_DIF_Msk) {
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reset_cause = PYB_RESET_DIF;
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#if NRF52
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} else if (state & POWER_RESETREAS_NFC_Msk) {
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reset_cause = PYB_RESET_NFC;
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#endif
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}
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// clear reset reason
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NRF_POWER->RESETREAS = (1 << reset_cause);
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}
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// machine.info([dump_alloc_table])
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// Print out lots of information about the board.
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STATIC mp_obj_t machine_info(mp_uint_t n_args, const mp_obj_t *args) {
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// to print info about memory
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{
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printf("_etext=%p\n", &_etext);
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printf("_sidata=%p\n", &_sidata);
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printf("_sdata=%p\n", &_sdata);
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printf("_edata=%p\n", &_edata);
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printf("_sbss=%p\n", &_sbss);
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printf("_ebss=%p\n", &_ebss);
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printf("_estack=%p\n", &_estack);
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printf("_ram_start=%p\n", &_ram_start);
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printf("_heap_start=%p\n", &_heap_start);
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printf("_heap_end=%p\n", &_heap_end);
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printf("_ram_end=%p\n", &_ram_end);
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}
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// qstr info
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{
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mp_uint_t n_pool, n_qstr, n_str_data_bytes, n_total_bytes;
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qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes);
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printf("qstr:\n n_pool=" UINT_FMT "\n n_qstr=" UINT_FMT "\n n_str_data_bytes=" UINT_FMT "\n n_total_bytes=" UINT_FMT "\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
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}
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// GC info
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{
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gc_info_t info;
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gc_info(&info);
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printf("GC:\n");
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printf(" " UINT_FMT " total\n", info.total);
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printf(" " UINT_FMT " : " UINT_FMT "\n", info.used, info.free);
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printf(" 1=" UINT_FMT " 2=" UINT_FMT " m=" UINT_FMT "\n", info.num_1block, info.num_2block, info.max_block);
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}
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if (n_args == 1) {
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// arg given means dump gc allocation table
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gc_dump_alloc_table();
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}
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_info_obj, 0, 1, machine_info);
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// Resets the pyboard in a manner similar to pushing the external RESET button.
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STATIC mp_obj_t machine_reset(void) {
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NVIC_SystemReset();
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_obj, machine_reset);
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STATIC mp_obj_t machine_soft_reset(void) {
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pyexec_system_exit = PYEXEC_FORCED_EXIT;
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nlr_raise(mp_obj_new_exception(&mp_type_SystemExit));
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_soft_reset_obj, machine_soft_reset);
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STATIC mp_obj_t machine_sleep(void) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_sleep_obj, machine_sleep);
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STATIC mp_obj_t machine_deepsleep(void) {
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_deepsleep_obj, machine_deepsleep);
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STATIC mp_obj_t machine_reset_cause(void) {
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return MP_OBJ_NEW_SMALL_INT(reset_cause);
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}
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STATIC MP_DEFINE_CONST_FUN_OBJ_0(machine_reset_cause_obj, machine_reset_cause);
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STATIC const mp_map_elem_t machine_module_globals_table[] = {
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{ MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_umachine) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&machine_info_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_reset), (mp_obj_t)&machine_reset_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_soft_reset), (mp_obj_t)&machine_soft_reset_obj },
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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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{ MP_OBJ_NEW_QSTR(MP_QSTR_sleep), (mp_obj_t)&machine_sleep_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_deepsleep), (mp_obj_t)&machine_deepsleep_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_reset_cause), (mp_obj_t)&machine_reset_cause_obj },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_Pin), (mp_obj_t)&pin_type },
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#if MICROPY_PY_MACHINE_HW_SPI
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SPI), (mp_obj_t)&machine_hard_spi_type },
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#endif
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#if MICROPY_PY_MACHINE_HW_I2C
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{ MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&machine_i2c_type },
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#endif
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#if MICROPY_PY_MACHINE_ADC
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{ MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&machine_adc_type },
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#endif
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#if MICROPY_PY_MACHINE_PWM
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PWM), (mp_obj_t)&machine_hard_pwm_type },
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#endif
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{ MP_OBJ_NEW_QSTR(MP_QSTR_HARD_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_HARD) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_WDT_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_WDT) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_SOFT_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_SOFT) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LOCKUP_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_LOCKUP) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_PWRON_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_POWER_ON) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_LPCOMP_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_LPCOMP) },
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{ MP_OBJ_NEW_QSTR(MP_QSTR_DEBUG_IF_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_DIF) },
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#if NRF52
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{ MP_OBJ_NEW_QSTR(MP_QSTR_NFC_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_NFC) },
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#endif
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};
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STATIC MP_DEFINE_CONST_DICT(machine_module_globals, machine_module_globals_table);
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const mp_obj_module_t machine_module = {
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.base = { &mp_type_module },
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.globals = (mp_obj_dict_t*)&machine_module_globals,
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};
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