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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright 2019 Sony Semiconductor Solutions Corporation
*
* 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 <stdint.h>
#include <sys/boardctl.h>
#include <sys/time.h>
#include <cxd56_rtc.h>
#include "sched/sched.h"
#include "supervisor/board.h"
#include "supervisor/port.h"
#include "supervisor/background_callback.h"
#include "supervisor/usb.h"
#include "supervisor/shared/tick.h"
#include "common-hal/microcontroller/Pin.h"
#include "common-hal/analogio/AnalogIn.h"
#include "common-hal/pulseio/PulseOut.h"
#include "common-hal/pwmio/PWMOut.h"
#include "common-hal/busio/UART.h"
#define SPRESENSE_MEM_ALIGN (32)
uint32_t *heap;
uint32_t heap_size;
safe_mode_t port_init(void) {
boardctl(BOARDIOC_INIT, 0);
// Wait until RTC is available
while (g_rtc_enabled == false) {
;
}
heap = memalign(SPRESENSE_MEM_ALIGN, 128 * 1024);
uint32_t size = CONFIG_RAM_START + CONFIG_RAM_SIZE - (uint32_t)heap - 2 * SPRESENSE_MEM_ALIGN;
heap = realloc(heap, size);
heap_size = size / sizeof(uint32_t);
if (board_requests_safe_mode()) {
return USER_SAFE_MODE;
}
return NO_SAFE_MODE;
}
void reset_cpu(void) {
boardctl(BOARDIOC_RESET, 0);
for (;;) {
}
}
void reset_port(void) {
#if CIRCUITPY_ANALOGIO
analogin_reset();
#endif
#if CIRCUITPY_PULSEIO
pulseout_reset();
#endif
#if CIRCUITPY_PWMIO
pwmout_reset();
#endif
#if CIRCUITPY_BUSIO
busio_uart_reset();
#endif
reset_all_pins();
}
void reset_to_bootloader(void) {
boardctl(BOARDIOC_RESET, 0);
for (;;) {
}
}
bool port_has_fixed_stack(void) {
return true;
}
uint32_t *port_stack_get_limit(void) {
struct tcb_s *rtcb = this_task();
return rtcb->adj_stack_ptr - (uint32_t)rtcb->adj_stack_size;
}
uint32_t *port_stack_get_top(void) {
struct tcb_s *rtcb = this_task();
return rtcb->adj_stack_ptr;
}
uint32_t *port_heap_get_bottom(void) {
return heap;
}
uint32_t *port_heap_get_top(void) {
return heap + heap_size;
}
extern uint32_t _ebss;
// Place the word to save just after our BSS section that gets blanked.
void port_set_saved_word(uint32_t value) {
_ebss = value;
}
uint32_t port_get_saved_word(void) {
return _ebss;
}
static background_callback_t callback;
static void usb_background_do(void *unused) {
usb_background();
}
volatile bool _tick_enabled;
void board_timerhook(void) {
// Do things common to all ports when the tick occurs
if (_tick_enabled) {
supervisor_tick();
}
background_callback_add(&callback, usb_background_do, NULL);
}
uint64_t port_get_raw_ticks(uint8_t *subticks) {
uint64_t count = cxd56_rtc_count();
*subticks = count % 32;
return count / 32;
}
// Enable 1/1024 second tick.
void port_enable_tick(void) {
_tick_enabled = true;
}
// Disable 1/1024 second tick.
void port_disable_tick(void) {
_tick_enabled = false;
}
void port_interrupt_after_ticks(uint32_t ticks) {
}
void port_idle_until_interrupt(void) {
// TODO: Implement sleep.
}
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