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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Scott Shawcroft for Adafruit Industries
*
* 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 "py/mphal.h"
#include "py/obj.h"
#include "py/runtime.h"
#include "common-hal/microcontroller/__init__.h"
#if CIRCUITPY_NVM
#include "shared-bindings/nvm/ByteArray.h"
#endif
#include "shared-bindings/microcontroller/__init__.h"
#include "shared-bindings/microcontroller/Pin.h"
#include "shared-bindings/microcontroller/Processor.h"
#include "supervisor/filesystem.h"
#include "supervisor/port.h"
#include "supervisor/shared/safe_mode.h"
#include "supervisor/shared/translate.h"
#include "src/rp2040/hardware_structs/include/hardware/structs/sio.h"
#include "src/rp2_common/hardware_sync/include/hardware/sync.h"
#include "hardware/watchdog.h"
void common_hal_mcu_delay_us(uint32_t delay) {
mp_hal_delay_us(delay);
}
volatile uint32_t nesting_count = 0;
void common_hal_mcu_disable_interrupts(void) {
// We don't use save_and_disable_interrupts() from the sdk because we don't want to worry about PRIMASK.
// This is what we do on the SAMD21 via CMSIS.
asm volatile ("cpsid i" : : : "memory");
__dmb();
nesting_count++;
}
void common_hal_mcu_enable_interrupts(void) {
if (nesting_count == 0) {
// reset_into_safe_mode(LOCKING_ERROR);
}
nesting_count--;
if (nesting_count > 0) {
return;
}
__dmb();
asm volatile ("cpsie i" : : : "memory");
}
static bool next_reset_to_bootloader = false;
void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) {
switch (runmode) {
case RUNMODE_UF2:
case RUNMODE_BOOTLOADER:
next_reset_to_bootloader = true;
break;
case RUNMODE_SAFE_MODE:
safe_mode_on_next_reset(PROGRAMMATIC_SAFE_MODE);
break;
default:
break;
}
}
void common_hal_mcu_reset(void) {
filesystem_flush();
if (next_reset_to_bootloader) {
reset_to_bootloader();
} else {
reset_cpu();
}
}
// The singleton microcontroller.Processor object, bound to microcontroller.cpu
// It currently only has properties, and no state.
#if CIRCUITPY_PROCESSOR_COUNT > 1
static const mcu_processor_obj_t processor0 = {
.base = {
.type = &mcu_processor_type,
},
};
static const mcu_processor_obj_t processor1 = {
.base = {
.type = &mcu_processor_type,
},
};
const mp_rom_obj_tuple_t common_hal_multi_processor_obj = {
{&mp_type_tuple},
CIRCUITPY_PROCESSOR_COUNT,
{
MP_ROM_PTR(&processor0),
MP_ROM_PTR(&processor1)
}
};
#endif
const mcu_processor_obj_t common_hal_mcu_processor_obj = {
.base = {
.type = &mcu_processor_type,
},
};
#if CIRCUITPY_NVM && CIRCUITPY_INTERNAL_NVM_SIZE > 0
// The singleton nvm.ByteArray object.
const nvm_bytearray_obj_t common_hal_mcu_nvm_obj = {
.base = {
.type = &nvm_bytearray_type,
},
.len = CIRCUITPY_INTERNAL_NVM_SIZE,
.start_address = (uint8_t *)(CIRCUITPY_INTERNAL_NVM_START_ADDR)
};
#endif
#if CIRCUITPY_WATCHDOG
// The singleton watchdog.WatchDogTimer object.
watchdog_watchdogtimer_obj_t common_hal_mcu_watchdogtimer_obj = {
.base = {
.type = &watchdog_watchdogtimer_type,
},
.timeout = 0.0f,
.mode = WATCHDOGMODE_NONE,
};
#endif
// This maps MCU pin names to pin objects.
const mp_rom_map_elem_t mcu_pin_global_dict_table[TOTAL_GPIO_COUNT] = {
{ MP_ROM_QSTR(MP_QSTR_GPIO0), MP_ROM_PTR(&pin_GPIO0) },
{ MP_ROM_QSTR(MP_QSTR_GPIO1), MP_ROM_PTR(&pin_GPIO1) },
{ MP_ROM_QSTR(MP_QSTR_GPIO2), MP_ROM_PTR(&pin_GPIO2) },
{ MP_ROM_QSTR(MP_QSTR_GPIO3), MP_ROM_PTR(&pin_GPIO3) },
{ MP_ROM_QSTR(MP_QSTR_GPIO4), MP_ROM_PTR(&pin_GPIO4) },
{ MP_ROM_QSTR(MP_QSTR_GPIO5), MP_ROM_PTR(&pin_GPIO5) },
{ MP_ROM_QSTR(MP_QSTR_GPIO6), MP_ROM_PTR(&pin_GPIO6) },
{ MP_ROM_QSTR(MP_QSTR_GPIO7), MP_ROM_PTR(&pin_GPIO7) },
{ MP_ROM_QSTR(MP_QSTR_GPIO8), MP_ROM_PTR(&pin_GPIO8) },
{ MP_ROM_QSTR(MP_QSTR_GPIO9), MP_ROM_PTR(&pin_GPIO9) },
{ MP_ROM_QSTR(MP_QSTR_GPIO10), MP_ROM_PTR(&pin_GPIO10) },
{ MP_ROM_QSTR(MP_QSTR_GPIO11), MP_ROM_PTR(&pin_GPIO11) },
{ MP_ROM_QSTR(MP_QSTR_GPIO12), MP_ROM_PTR(&pin_GPIO12) },
{ MP_ROM_QSTR(MP_QSTR_GPIO13), MP_ROM_PTR(&pin_GPIO13) },
{ MP_ROM_QSTR(MP_QSTR_GPIO14), MP_ROM_PTR(&pin_GPIO14) },
{ MP_ROM_QSTR(MP_QSTR_GPIO15), MP_ROM_PTR(&pin_GPIO15) },
{ MP_ROM_QSTR(MP_QSTR_GPIO16), MP_ROM_PTR(&pin_GPIO16) },
{ MP_ROM_QSTR(MP_QSTR_GPIO17), MP_ROM_PTR(&pin_GPIO17) },
{ MP_ROM_QSTR(MP_QSTR_GPIO18), MP_ROM_PTR(&pin_GPIO18) },
{ MP_ROM_QSTR(MP_QSTR_GPIO19), MP_ROM_PTR(&pin_GPIO19) },
{ MP_ROM_QSTR(MP_QSTR_GPIO20), MP_ROM_PTR(&pin_GPIO20) },
{ MP_ROM_QSTR(MP_QSTR_GPIO21), MP_ROM_PTR(&pin_GPIO21) },
{ MP_ROM_QSTR(MP_QSTR_GPIO22), MP_ROM_PTR(&pin_GPIO22) },
{ MP_ROM_QSTR(MP_QSTR_GPIO23), MP_ROM_PTR(&pin_GPIO23) },
{ MP_ROM_QSTR(MP_QSTR_GPIO24), MP_ROM_PTR(&pin_GPIO24) },
{ MP_ROM_QSTR(MP_QSTR_GPIO25), MP_ROM_PTR(&pin_GPIO25) },
{ MP_ROM_QSTR(MP_QSTR_GPIO26), MP_ROM_PTR(&pin_GPIO26) },
{ MP_ROM_QSTR(MP_QSTR_GPIO27), MP_ROM_PTR(&pin_GPIO27) },
{ MP_ROM_QSTR(MP_QSTR_GPIO28), MP_ROM_PTR(&pin_GPIO28) },
{ MP_ROM_QSTR(MP_QSTR_GPIO29), MP_ROM_PTR(&pin_GPIO29) },
};
MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);
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