310 lines
11 KiB
C
310 lines
11 KiB
C
/*
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* This file is part of the MicroPython 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) 2021,2022 Renesas Electronics Corporation
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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 <string.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/objstr.h"
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#include "py/mperrno.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_signal.h"
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#include "extmod/machine_pulse.h"
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#include "extmod/machine_i2c.h"
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#include "extmod/machine_spi.h"
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#include "shared/runtime/pyexec.h"
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#include "lib/oofatfs/ff.h"
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#include "extmod/vfs.h"
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#include "extmod/vfs_fat.h"
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#include "drivers/dht/dht.h"
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#include "gccollect.h"
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#include "irq.h"
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#include "powerctrl.h"
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#include "pybthread.h"
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#include "storage.h"
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#include "pin.h"
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#include "timer.h"
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#include "rtc.h"
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#include "spi.h"
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#include "uart.h"
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#if MICROPY_PY_MACHINE
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#define PYB_RESET_SOFT (0)
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#define PYB_RESET_POWER_ON (1)
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#define PYB_RESET_HARD (2)
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#define PYB_RESET_WDT (3)
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#define PYB_RESET_DEEPSLEEP (4)
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STATIC uint32_t reset_cause;
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void get_unique_id(uint8_t *id) {
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uint32_t *p = (uint32_t *)id;
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uint32_t *uniqueid = (uint32_t *)R_BSP_UniqueIdGet();
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p[0] = uniqueid[0];
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p[1] = uniqueid[1];
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p[2] = uniqueid[2];
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p[3] = uniqueid[3];
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}
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void machine_init(void) {
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}
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void machine_deinit(void) {
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// we are doing a soft-reset so change the reset_cause
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reset_cause = PYB_RESET_SOFT;
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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(size_t n_args, const mp_obj_t *args) {
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// get and print unique id; 128 bits
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{
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uint8_t id[16];
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get_unique_id((uint8_t *)&id);
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printf("ID=%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x\n",
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id[0], id[1], id[2], id[3], id[4], id[5], id[6], id[7],
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id[8], id[9], id[10], id[11], id[12], id[13], id[14], id[15]);
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}
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// get and print clock speeds
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// SystemCoreClock is an external variable in FSP
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printf("S=%u\nP=%u\n",
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(unsigned int)SystemCoreClock,
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(unsigned int)MICROPY_HW_MCU_PCLK);
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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("_sstack=%p\n", &_sstack);
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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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size_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=%u\n n_qstr=%u\n n_str_data_bytes=%u\n n_total_bytes=%u\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(" %u total\n", info.total);
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printf(" %u : %u\n", info.used, info.free);
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printf(" 1=%u 2=%u m=%u\n", info.num_1block, info.num_2block, info.max_block);
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}
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// free space on flash
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{
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#if MICROPY_VFS_FAT
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for (mp_vfs_mount_t *vfs = MP_STATE_VM(vfs_mount_table); vfs != NULL; vfs = vfs->next) {
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if (strncmp("/flash", vfs->str, vfs->len) == 0) {
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// assumes that it's a FatFs filesystem
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fs_user_mount_t *vfs_fat = MP_OBJ_TO_PTR(vfs->obj);
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DWORD nclst;
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f_getfree(&vfs_fat->fatfs, &nclst);
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printf("LFS free: %u bytes\n", (uint)(nclst * vfs_fat->fatfs.csize * 512));
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break;
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}
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}
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#endif
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}
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#if MICROPY_PY_THREAD
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pyb_thread_dump();
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#endif
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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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// Returns a string of 16 bytes (128 bits), which is the unique ID for the MCU.
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STATIC mp_obj_t machine_unique_id(void) {
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uint8_t id[16];
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get_unique_id((uint8_t *)&id);
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return mp_obj_new_bytes(id, 16);
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_unique_id_obj, machine_unique_id);
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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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powerctrl_mcu_reset();
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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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mp_raise_type(&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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// Activate the bootloader without BOOT* pins.
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STATIC NORETURN mp_obj_t machine_bootloader(size_t n_args, const mp_obj_t *args) {
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#if MICROPY_HW_ENABLE_STORAGE
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storage_flush();
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#endif
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__disable_irq();
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#if MICROPY_HW_USES_BOOTLOADER
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// ToDo: need to review how to implement
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#endif
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while (1) {
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;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_bootloader_obj, 0, 1, machine_bootloader);
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// get or set the MCU frequencies
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STATIC mp_obj_t machine_freq(size_t n_args, const mp_obj_t *args) {
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if (n_args == 0) {
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// get
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return mp_obj_new_int(SystemCoreClock);
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} else {
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// set
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mp_raise_NotImplementedError(MP_ERROR_TEXT("machine.freq set not supported yet"));
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return mp_const_none;
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}
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_freq_obj, 0, 4, machine_freq);
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// idle()
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// This executies a wfi machine instruction which reduces power consumption
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// of the MCU until an interrupt occurs, at which point execution continues.
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STATIC mp_obj_t machine_idle(void) {
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__WFI();
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_0(machine_idle_obj, machine_idle);
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STATIC mp_obj_t machine_lightsleep(size_t n_args, const mp_obj_t *args) {
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if (n_args != 0) {
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mp_obj_t args2[2] = {MP_OBJ_NULL, args[0]};
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machine_rtc_wakeup(2, args2);
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}
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powerctrl_enter_stop_mode();
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_lightsleep_obj, 0, 1, machine_lightsleep);
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STATIC mp_obj_t machine_deepsleep(size_t n_args, const mp_obj_t *args) {
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if (n_args != 0) {
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mp_obj_t args2[2] = {MP_OBJ_NULL, args[0]};
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machine_rtc_wakeup(2, args2);
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}
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powerctrl_enter_standby_mode();
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return mp_const_none;
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}
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MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(machine_deepsleep_obj, 0, 1, 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_rom_map_elem_t machine_module_globals_table[] = {
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{ MP_ROM_QSTR(MP_QSTR___name__), MP_ROM_QSTR(MP_QSTR_umachine) },
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{ MP_ROM_QSTR(MP_QSTR_info), MP_ROM_PTR(&machine_info_obj) },
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{ MP_ROM_QSTR(MP_QSTR_unique_id), MP_ROM_PTR(&machine_unique_id_obj) },
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{ MP_ROM_QSTR(MP_QSTR_reset), MP_ROM_PTR(&machine_reset_obj) },
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{ MP_ROM_QSTR(MP_QSTR_soft_reset), MP_ROM_PTR(&machine_soft_reset_obj) },
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{ MP_ROM_QSTR(MP_QSTR_bootloader), MP_ROM_PTR(&machine_bootloader_obj) },
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{ MP_ROM_QSTR(MP_QSTR_freq), MP_ROM_PTR(&machine_freq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_idle), MP_ROM_PTR(&machine_idle_obj) },
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{ MP_ROM_QSTR(MP_QSTR_sleep), MP_ROM_PTR(&machine_lightsleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_lightsleep), MP_ROM_PTR(&machine_lightsleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_deepsleep), MP_ROM_PTR(&machine_deepsleep_obj) },
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{ MP_ROM_QSTR(MP_QSTR_reset_cause), MP_ROM_PTR(&machine_reset_cause_obj) },
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{ MP_ROM_QSTR(MP_QSTR_disable_irq), MP_ROM_PTR(&machine_disable_irq_obj) },
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{ MP_ROM_QSTR(MP_QSTR_enable_irq), MP_ROM_PTR(&machine_enable_irq_obj) },
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#if MICROPY_PY_MACHINE_PULSE
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{ MP_ROM_QSTR(MP_QSTR_time_pulse_us), MP_ROM_PTR(&machine_time_pulse_us_obj) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_mem8), MP_ROM_PTR(&machine_mem8_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mem16), MP_ROM_PTR(&machine_mem16_obj) },
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{ MP_ROM_QSTR(MP_QSTR_mem32), MP_ROM_PTR(&machine_mem32_obj) },
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{ MP_ROM_QSTR(MP_QSTR_Pin), MP_ROM_PTR(&machine_pin_type) },
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{ MP_ROM_QSTR(MP_QSTR_Signal), MP_ROM_PTR(&machine_signal_type) },
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{ MP_ROM_QSTR(MP_QSTR_RTC), MP_ROM_PTR(&machine_rtc_type) },
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{ MP_ROM_QSTR(MP_QSTR_ADC), MP_ROM_PTR(&machine_adc_type) },
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#if MICROPY_PY_MACHINE_I2C
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#if MICROPY_HW_ENABLE_HW_I2C
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{ MP_ROM_QSTR(MP_QSTR_I2C), MP_ROM_PTR(&machine_i2c_type) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_SoftI2C), MP_ROM_PTR(&mp_machine_soft_i2c_type) },
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#endif
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#if MICROPY_PY_MACHINE_SPI
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{ MP_ROM_QSTR(MP_QSTR_SPI), MP_ROM_PTR(&machine_hard_spi_type) },
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{ MP_ROM_QSTR(MP_QSTR_SoftSPI), MP_ROM_PTR(&mp_machine_soft_spi_type) },
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#endif
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{ MP_ROM_QSTR(MP_QSTR_UART), MP_ROM_PTR(&machine_uart_type) },
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{ MP_ROM_QSTR(MP_QSTR_Timer), MP_ROM_PTR(&machine_timer_type) },
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{ MP_ROM_QSTR(MP_QSTR_PWRON_RESET), MP_ROM_INT(PYB_RESET_POWER_ON) },
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{ MP_ROM_QSTR(MP_QSTR_HARD_RESET), MP_ROM_INT(PYB_RESET_HARD) },
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{ MP_ROM_QSTR(MP_QSTR_WDT_RESET), MP_ROM_INT(PYB_RESET_WDT) },
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{ MP_ROM_QSTR(MP_QSTR_DEEPSLEEP_RESET), MP_ROM_INT(PYB_RESET_DEEPSLEEP) },
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{ MP_ROM_QSTR(MP_QSTR_SOFT_RESET), MP_ROM_INT(PYB_RESET_SOFT) },
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{ MP_ROM_QSTR(MP_QSTR_dht_readinto), MP_ROM_PTR(&dht_readinto_obj) },
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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 mp_module_machine = {
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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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MP_REGISTER_MODULE(MP_QSTR_umachine, mp_module_machine);
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#endif // MICROPY_PY_MACHINE
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