circuitpython/ports/broadcom/common-hal/microcontroller/__init__.c

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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 "shared-bindings/microcontroller/__init__.h"
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#include "shared-bindings/microcontroller/Pin.h"
#include "shared-bindings/microcontroller/Processor.h"
#include "common-hal/microcontroller/__init__.h"
#include "peripherals/broadcom/defines.h"
#include "peripherals/broadcom/interrupts.h"
#include "mphalport.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) {
BP_DisableIRQs();
nesting_count++;
}
void common_hal_mcu_enable_interrupts(void) {
if (nesting_count == 0) {
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// reset_into_safe_mode(SAFE_MODE_INTERRUPT_ERROR);
}
nesting_count--;
if (nesting_count > 0) {
return;
}
BP_EnableIRQs();
}
void common_hal_mcu_on_next_reset(mcu_runmode_t runmode) {
}
void common_hal_mcu_reset(void) {
}
// 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,
},
};
static const mcu_processor_obj_t processor2 = {
.base = {
.type = &mcu_processor_type,
},
};
static const mcu_processor_obj_t processor3 = {
.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),
MP_ROM_PTR(&processor2),
MP_ROM_PTR(&processor3)
}
};
#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.
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#define PIN(num) { MP_ROM_QSTR(MP_QSTR_GPIO##num), MP_ROM_PTR(&pin_GPIO##num) },
const mp_rom_map_elem_t mcu_pin_global_dict_table[TOTAL_GPIO_COUNT] = {
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PIN(0)
PIN(1)
PIN(2)
PIN(3)
PIN(4)
PIN(5)
PIN(6)
PIN(7)
PIN(8)
PIN(9)
PIN(10)
PIN(11)
PIN(12)
PIN(13)
PIN(14)
PIN(15)
PIN(16)
PIN(17)
PIN(18)
PIN(19)
PIN(20)
PIN(21)
PIN(22)
PIN(23)
PIN(24)
PIN(25)
PIN(26)
PIN(27)
PIN(28)
PIN(29)
PIN(30)
PIN(31)
PIN(32)
PIN(33)
PIN(34)
PIN(35)
PIN(36)
PIN(37)
PIN(38)
PIN(39)
PIN(40)
PIN(41)
PIN(42)
PIN(43)
PIN(44)
PIN(45)
PIN(46)
PIN(47)
PIN(48)
PIN(49)
PIN(50)
PIN(51)
PIN(52)
PIN(53)
#if BCM_VERSION == 2711
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PIN(54)
PIN(55)
PIN(56)
PIN(57)
#endif
};
MP_DEFINE_CONST_DICT(mcu_pin_globals, mcu_pin_global_dict_table);