circuitpython/supervisor/shared/port.c
Scott Shawcroft cedd677969
Fix Funhouse and update to IDF 5.3
The Funhouse problem was due to a locking change for SPI. The
Funhouse is one of a few boards with DotStar status LEDs that use
SPI and have this bug.

I thought it might be IDF related so I updated it first. :-)

Fixes #9486
2024-08-15 11:36:37 -07:00

62 lines
1.4 KiB
C

// This file is part of the CircuitPython project: https://circuitpython.org
//
// SPDX-FileCopyrightText: Copyright (c) 2022 Scott Shawcroft for Adafruit Industries
//
// SPDX-License-Identifier: MIT
#include "supervisor/port.h"
#include <string.h>
#include "py/runtime.h"
#include "lib/tlsf/tlsf.h"
static tlsf_t heap;
MP_WEAK void port_wake_main_task(void) {
}
MP_WEAK void port_wake_main_task_from_isr(void) {
}
MP_WEAK void port_yield(void) {
}
MP_WEAK void port_boot_info(void) {
}
MP_WEAK void port_heap_init(void) {
uint32_t *heap_bottom = port_heap_get_bottom();
uint32_t *heap_top = port_heap_get_top();
size_t size = (heap_top - heap_bottom) * sizeof(uint32_t);
heap = tlsf_create_with_pool(heap_bottom, size, size);
}
MP_WEAK void *port_malloc(size_t size, bool dma_capable) {
void *block = tlsf_malloc(heap, size);
return block;
}
MP_WEAK void port_free(void *ptr) {
tlsf_free(heap, ptr);
}
MP_WEAK void *port_realloc(void *ptr, size_t size) {
return tlsf_realloc(heap, ptr, size);
}
static bool max_size_walker(void *ptr, size_t size, int used, void *user) {
size_t *max_size = (size_t *)user;
if (!used && *max_size < size) {
*max_size = size;
}
return true;
}
MP_WEAK size_t port_heap_get_largest_free_size(void) {
size_t max_size = 0;
tlsf_walk_pool(tlsf_get_pool(heap), max_size_walker, &max_size);
// IDF does this. Not sure why.
return tlsf_fit_size(heap, max_size);
}