123 lines
4.1 KiB
C
123 lines
4.1 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Damien P. George
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* Copyright (c) 2021,2022 Renesas Electronics Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <string.h>
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#include "py/runtime.h"
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#include "py/stream.h"
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#include "py/mperrno.h"
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#include "py/mphal.h"
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#include "extmod/misc.h"
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#include "uart.h"
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// this table converts from HAL_StatusTypeDef to POSIX errno
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const byte mp_hal_status_to_errno_table[4] = {
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[HAL_OK] = 0,
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[HAL_ERROR] = MP_EIO,
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[HAL_BUSY] = MP_EBUSY,
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[HAL_TIMEOUT] = MP_ETIMEDOUT,
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};
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NORETURN void mp_hal_raise(HAL_StatusTypeDef status) {
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mp_raise_OSError(mp_hal_status_to_errno_table[status]);
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}
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MP_WEAK uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) {
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uintptr_t ret = 0;
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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mp_obj_t pyb_stdio_uart = MP_OBJ_FROM_PTR(MP_STATE_PORT(pyb_stdio_uart));
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int errcode;
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const mp_stream_p_t *stream_p = mp_get_stream(pyb_stdio_uart);
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ret = stream_p->ioctl(pyb_stdio_uart, MP_STREAM_POLL, poll_flags, &errcode);
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}
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return ret | mp_os_dupterm_poll(poll_flags);
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}
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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void flash_cache_commit(void);
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#endif
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MP_WEAK int mp_hal_stdin_rx_chr(void) {
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for (;;) {
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#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE
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flash_cache_commit();
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#endif
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(pyb_stdio_uart))) {
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return uart_rx_char(MP_STATE_PORT(pyb_stdio_uart));
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}
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int dupterm_c = mp_os_dupterm_rx_chr();
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if (dupterm_c >= 0) {
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return dupterm_c;
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}
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MICROPY_EVENT_POLL_HOOK
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}
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}
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MP_WEAK void mp_hal_stdout_tx_strn(const char *str, size_t len) {
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if (MP_STATE_PORT(pyb_stdio_uart) != NULL) {
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uart_tx_strn(MP_STATE_PORT(pyb_stdio_uart), str, len);
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}
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mp_os_dupterm_tx_strn(str, len);
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}
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void mp_hal_ticks_cpu_enable(void) {
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}
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void mp_hal_pin_config(mp_hal_pin_obj_t pin_obj, uint32_t mode, uint32_t pull, uint32_t drive, uint32_t alt) {
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ra_gpio_config(pin_obj->pin, mode, pull, drive, alt);
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}
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/*******************************************************************************/
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// MAC address
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// Generate a random locally administered MAC address (LAA)
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void mp_hal_generate_laa_mac(int idx, uint8_t buf[6]) {
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uint8_t *id = (uint8_t *)MP_HAL_UNIQUE_ID_ADDRESS;
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buf[0] = 0x02; // LAA range
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buf[1] = (id[11] << 4) | (id[10] & 0xf);
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buf[2] = (id[9] << 4) | (id[8] & 0xf);
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buf[3] = (id[7] << 4) | (id[6] & 0xf);
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buf[4] = id[2];
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buf[5] = (id[0] << 2) | idx;
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}
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// A board can override this if needed
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MP_WEAK void mp_hal_get_mac(int idx, uint8_t buf[6]) {
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mp_hal_generate_laa_mac(idx, buf);
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}
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void mp_hal_get_mac_ascii(int idx, size_t chr_off, size_t chr_len, char *dest) {
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static const char hexchr[16] = "0123456789ABCDEF";
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uint8_t mac[6];
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mp_hal_get_mac(idx, mac);
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for (; chr_len; ++chr_off, --chr_len) {
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*dest++ = hexchr[mac[chr_off >> 1] >> (4 * (1 - (chr_off & 1))) & 0xf];
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}
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}
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MP_REGISTER_ROOT_POINTER(struct _machine_uart_obj_t *pyb_stdio_uart);
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