You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
298 lines
9.2 KiB
298 lines
9.2 KiB
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2020-2021 Damien P. George
|
|
*
|
|
* 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 "py/compile.h"
|
|
#include "py/runtime.h"
|
|
#include "py/gc.h"
|
|
#include "py/mperrno.h"
|
|
#include "py/mphal.h"
|
|
#include "py/stackctrl.h"
|
|
#include "extmod/modbluetooth.h"
|
|
#include "extmod/modnetwork.h"
|
|
#include "shared/readline/readline.h"
|
|
#include "shared/runtime/gchelper.h"
|
|
#include "shared/runtime/pyexec.h"
|
|
#include "tusb.h"
|
|
#include "uart.h"
|
|
#include "modmachine.h"
|
|
#include "modrp2.h"
|
|
#include "mpbthciport.h"
|
|
#include "mpnetworkport.h"
|
|
#include "genhdr/mpversion.h"
|
|
#include "mp_usbd.h"
|
|
|
|
#include "pico/stdlib.h"
|
|
#include "pico/binary_info.h"
|
|
#include "pico/unique_id.h"
|
|
#include "hardware/rtc.h"
|
|
#include "hardware/structs/rosc.h"
|
|
#if MICROPY_PY_LWIP
|
|
#include "lwip/init.h"
|
|
#include "lwip/apps/mdns.h"
|
|
#endif
|
|
#if MICROPY_PY_NETWORK_CYW43
|
|
#include "lib/cyw43-driver/src/cyw43.h"
|
|
#endif
|
|
|
|
extern uint8_t __StackTop, __StackBottom;
|
|
extern uint8_t __GcHeapStart, __GcHeapEnd;
|
|
|
|
// Embed version info in the binary in machine readable form
|
|
bi_decl(bi_program_version_string(MICROPY_GIT_TAG));
|
|
|
|
// Add a section to the picotool output similar to program features, but for frozen modules
|
|
// (it will aggregate BINARY_INFO_ID_MP_FROZEN binary info)
|
|
bi_decl(bi_program_feature_group_with_flags(BINARY_INFO_TAG_MICROPYTHON,
|
|
BINARY_INFO_ID_MP_FROZEN, "frozen modules",
|
|
BI_NAMED_GROUP_SEPARATE_COMMAS | BI_NAMED_GROUP_SORT_ALPHA));
|
|
|
|
int main(int argc, char **argv) {
|
|
#if MICROPY_HW_ENABLE_UART_REPL
|
|
bi_decl(bi_program_feature("UART REPL"))
|
|
setup_default_uart();
|
|
mp_uart_init();
|
|
#endif
|
|
|
|
#if MICROPY_HW_ENABLE_USBDEV
|
|
#if MICROPY_HW_USB_CDC
|
|
bi_decl(bi_program_feature("USB REPL"))
|
|
#endif
|
|
tusb_init();
|
|
#endif
|
|
|
|
#if MICROPY_PY_THREAD
|
|
bi_decl(bi_program_feature("thread support"))
|
|
mp_thread_init();
|
|
#endif
|
|
|
|
#ifndef NDEBUG
|
|
stdio_init_all();
|
|
#endif
|
|
|
|
// Start and initialise the RTC
|
|
datetime_t t = {
|
|
.year = 2021,
|
|
.month = 1,
|
|
.day = 1,
|
|
.dotw = 4, // 0 is Monday, so 4 is Friday
|
|
.hour = 0,
|
|
.min = 0,
|
|
.sec = 0,
|
|
};
|
|
rtc_init();
|
|
rtc_set_datetime(&t);
|
|
|
|
// Initialise stack extents and GC heap.
|
|
mp_stack_set_top(&__StackTop);
|
|
mp_stack_set_limit(&__StackTop - &__StackBottom - 256);
|
|
gc_init(&__GcHeapStart, &__GcHeapEnd);
|
|
|
|
#if MICROPY_PY_LWIP
|
|
// lwIP doesn't allow to reinitialise itself by subsequent calls to this function
|
|
// because the system timeout list (next_timeout) is only ever reset by BSS clearing.
|
|
// So for now we only init the lwIP stack once on power-up.
|
|
lwip_init();
|
|
#if LWIP_MDNS_RESPONDER
|
|
mdns_resp_init();
|
|
#endif
|
|
#endif
|
|
|
|
#if MICROPY_PY_NETWORK_CYW43
|
|
{
|
|
cyw43_init(&cyw43_state);
|
|
cyw43_irq_init();
|
|
cyw43_post_poll_hook(); // enable the irq
|
|
uint8_t buf[8];
|
|
memcpy(&buf[0], "PICO", 4);
|
|
|
|
// MAC isn't loaded from OTP yet, so use unique id to generate the default AP ssid.
|
|
const char hexchr[16] = "0123456789ABCDEF";
|
|
pico_unique_board_id_t pid;
|
|
pico_get_unique_board_id(&pid);
|
|
buf[4] = hexchr[pid.id[7] >> 4];
|
|
buf[5] = hexchr[pid.id[6] & 0xf];
|
|
buf[6] = hexchr[pid.id[5] >> 4];
|
|
buf[7] = hexchr[pid.id[4] & 0xf];
|
|
cyw43_wifi_ap_set_ssid(&cyw43_state, 8, buf);
|
|
cyw43_wifi_ap_set_auth(&cyw43_state, CYW43_AUTH_WPA2_AES_PSK);
|
|
cyw43_wifi_ap_set_password(&cyw43_state, 8, (const uint8_t *)"picoW123");
|
|
}
|
|
#endif
|
|
|
|
for (;;) {
|
|
|
|
// Initialise MicroPython runtime.
|
|
mp_init();
|
|
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_lib));
|
|
|
|
// Initialise sub-systems.
|
|
readline_init0();
|
|
machine_pin_init();
|
|
rp2_pio_init();
|
|
machine_i2s_init0();
|
|
|
|
#if MICROPY_PY_BLUETOOTH
|
|
mp_bluetooth_hci_init();
|
|
#endif
|
|
#if MICROPY_PY_NETWORK
|
|
mod_network_init();
|
|
#endif
|
|
#if MICROPY_PY_LWIP
|
|
mod_network_lwip_init();
|
|
#endif
|
|
|
|
// Execute _boot.py to set up the filesystem.
|
|
#if MICROPY_VFS_FAT && MICROPY_HW_USB_MSC
|
|
pyexec_frozen_module("_boot_fat.py");
|
|
#else
|
|
pyexec_frozen_module("_boot.py");
|
|
#endif
|
|
|
|
// Execute user scripts.
|
|
int ret = pyexec_file_if_exists("boot.py");
|
|
if (ret & PYEXEC_FORCED_EXIT) {
|
|
goto soft_reset_exit;
|
|
}
|
|
if (pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
|
|
ret = pyexec_file_if_exists("main.py");
|
|
if (ret & PYEXEC_FORCED_EXIT) {
|
|
goto soft_reset_exit;
|
|
}
|
|
}
|
|
|
|
for (;;) {
|
|
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
|
|
if (pyexec_raw_repl() != 0) {
|
|
break;
|
|
}
|
|
} else {
|
|
if (pyexec_friendly_repl() != 0) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
soft_reset_exit:
|
|
mp_printf(MP_PYTHON_PRINTER, "MPY: soft reboot\n");
|
|
#if MICROPY_PY_NETWORK
|
|
mod_network_deinit();
|
|
#endif
|
|
rp2_pio_deinit();
|
|
#if MICROPY_PY_BLUETOOTH
|
|
mp_bluetooth_deinit();
|
|
#endif
|
|
machine_pin_deinit();
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_deinit();
|
|
#endif
|
|
gc_sweep_all();
|
|
mp_deinit();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void gc_collect(void) {
|
|
gc_collect_start();
|
|
gc_helper_collect_regs_and_stack();
|
|
#if MICROPY_PY_THREAD
|
|
mp_thread_gc_others();
|
|
#endif
|
|
gc_collect_end();
|
|
}
|
|
|
|
void nlr_jump_fail(void *val) {
|
|
mp_printf(&mp_plat_print, "FATAL: uncaught exception %p\n", val);
|
|
mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(val));
|
|
for (;;) {
|
|
__breakpoint();
|
|
}
|
|
}
|
|
|
|
#ifndef NDEBUG
|
|
void MP_WEAK __assert_func(const char *file, int line, const char *func, const char *expr) {
|
|
printf("Assertion '%s' failed, at file %s:%d\n", expr, file, line);
|
|
panic("Assertion failed");
|
|
}
|
|
#endif
|
|
|
|
#define POLY (0xD5)
|
|
|
|
uint8_t rosc_random_u8(size_t cycles) {
|
|
static uint8_t r;
|
|
for (size_t i = 0; i < cycles; ++i) {
|
|
r = ((r << 1) | rosc_hw->randombit) ^ (r & 0x80 ? POLY : 0);
|
|
mp_hal_delay_us_fast(1);
|
|
}
|
|
return r;
|
|
}
|
|
|
|
uint32_t rosc_random_u32(void) {
|
|
uint32_t value = 0;
|
|
for (size_t i = 0; i < 4; ++i) {
|
|
value = value << 8 | rosc_random_u8(32);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
const char rp2_help_text[] =
|
|
"Welcome to MicroPython!\n"
|
|
"\n"
|
|
"For online help please visit https://micropython.org/help/.\n"
|
|
"\n"
|
|
"For access to the hardware use the 'machine' module. RP2 specific commands\n"
|
|
"are in the 'rp2' module.\n"
|
|
"\n"
|
|
"Quick overview of some objects:\n"
|
|
" machine.Pin(pin) -- get a pin, eg machine.Pin(0)\n"
|
|
" machine.Pin(pin, m, [p]) -- get a pin and configure it for IO mode m, pull mode p\n"
|
|
" methods: init(..), value([v]), high(), low(), irq(handler)\n"
|
|
" machine.ADC(pin) -- make an analog object from a pin\n"
|
|
" methods: read_u16()\n"
|
|
" machine.PWM(pin) -- make a PWM object from a pin\n"
|
|
" methods: deinit(), freq([f]), duty_u16([d]), duty_ns([d])\n"
|
|
" machine.I2C(id) -- create an I2C object (id=0,1)\n"
|
|
" methods: readfrom(addr, buf, stop=True), writeto(addr, buf, stop=True)\n"
|
|
" readfrom_mem(addr, memaddr, arg), writeto_mem(addr, memaddr, arg)\n"
|
|
" machine.SPI(id, baudrate=1000000) -- create an SPI object (id=0,1)\n"
|
|
" methods: read(nbytes, write=0x00), write(buf), write_readinto(wr_buf, rd_buf)\n"
|
|
" machine.Timer(freq, callback) -- create a software timer object\n"
|
|
" eg: machine.Timer(freq=1, callback=lambda t:print(t))\n"
|
|
"\n"
|
|
"Pins are numbered 0-29, and 26-29 have ADC capabilities\n"
|
|
"Pin IO modes are: Pin.IN, Pin.OUT, Pin.ALT\n"
|
|
"Pin pull modes are: Pin.PULL_UP, Pin.PULL_DOWN\n"
|
|
"\n"
|
|
"Useful control commands:\n"
|
|
" CTRL-C -- interrupt a running program\n"
|
|
" CTRL-D -- on a blank line, do a soft reset of the board\n"
|
|
" CTRL-E -- on a blank line, enter paste mode\n"
|
|
"\n"
|
|
"For further help on a specific object, type help(obj)\n"
|
|
"For a list of available modules, type help('modules')\n"
|
|
;
|
|
|