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micropython/ports/renesas-ra/mphalport.c
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/* | |
* This file is part of the MicroPython project, http://micropython.org/ | |
* | |
* The MIT License (MIT) | |
* | |
* Copyright (c) 2018,2021 Damien P. George | |
* Copyright (c) 2021,2022 Renesas Electronics Corporation | |
* Copyright (c) 2023 Arduino SA | |
* | |
* 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/runtime.h" | |
#include "py/stream.h" | |
#include "py/mphal.h" | |
#include "py/mperrno.h" | |
#include "py/mphal.h" | |
#include "py/ringbuf.h" | |
#include "extmod/misc.h" | |
#include "shared/runtime/interrupt_char.h" | |
#include "shared/tinyusb/mp_usbd_cdc.h" | |
#include "tusb.h" | |
#include "uart.h" | |
#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE | |
void flash_cache_commit(void); | |
#endif | |
#if MICROPY_HW_ENABLE_UART_REPL || MICROPY_HW_USB_CDC | |
#ifndef MICROPY_HW_STDIN_BUFFER_LEN | |
#define MICROPY_HW_STDIN_BUFFER_LEN 512 | |
#endif | |
static uint8_t stdin_ringbuf_array[MICROPY_HW_STDIN_BUFFER_LEN]; | |
ringbuf_t stdin_ringbuf = { stdin_ringbuf_array, sizeof(stdin_ringbuf_array) }; | |
#endif | |
// this table converts from HAL_StatusTypeDef to POSIX errno | |
const byte mp_hal_status_to_errno_table[4] = { | |
[HAL_OK] = 0, | |
[HAL_ERROR] = MP_EIO, | |
[HAL_BUSY] = MP_EBUSY, | |
[HAL_TIMEOUT] = MP_ETIMEDOUT, | |
}; | |
NORETURN void mp_hal_raise(HAL_StatusTypeDef status) { | |
mp_raise_OSError(mp_hal_status_to_errno_table[status]); | |
} | |
uint8_t cdc_itf_pending; // keep track of cdc interfaces which need attention to poll | |
uintptr_t mp_hal_stdio_poll(uintptr_t poll_flags) { | |
uintptr_t ret = 0; | |
#if MICROPY_HW_USB_CDC | |
ret |= mp_usbd_cdc_poll_interfaces(poll_flags); | |
#endif | |
#if MICROPY_HW_ENABLE_UART_REPL | |
if (poll_flags & MP_STREAM_POLL_WR) { | |
ret |= MP_STREAM_POLL_WR; | |
} | |
#endif | |
#if MICROPY_PY_OS_DUPTERM | |
ret |= mp_os_dupterm_poll(poll_flags); | |
#endif | |
return ret; | |
} | |
// Receive single character | |
int mp_hal_stdin_rx_chr(void) { | |
for (;;) { | |
#if MICROPY_HW_USB_CDC | |
mp_usbd_cdc_poll_interfaces(0); | |
#endif | |
#if MICROPY_HW_ENABLE_INTERNAL_FLASH_STORAGE | |
flash_cache_commit(); | |
#endif | |
int c = ringbuf_get(&stdin_ringbuf); | |
if (c != -1) { | |
return c; | |
} | |
#if MICROPY_PY_OS_DUPTERM | |
int dupterm_c = mp_os_dupterm_rx_chr(); | |
if (dupterm_c >= 0) { | |
return dupterm_c; | |
} | |
#endif | |
MICROPY_EVENT_POLL_HOOK | |
} | |
} | |
// Send string of given length | |
mp_uint_t mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) { | |
mp_uint_t ret = len; | |
bool did_write = false; | |
#if MICROPY_HW_ENABLE_UART_REPL | |
if (MP_STATE_PORT(pyb_stdio_uart) != NULL) { | |
uart_tx_strn(MP_STATE_PORT(pyb_stdio_uart), str, len); | |
did_write = true; | |
} | |
#endif | |
#if MICROPY_HW_USB_CDC | |
mp_uint_t cdc_res = mp_usbd_cdc_tx_strn(str, len); | |
if (cdc_res > 0) { | |
did_write = true; | |
ret = MIN(cdc_res, ret); | |
} | |
#endif | |
#if MICROPY_PY_OS_DUPTERM | |
int dupterm_res = mp_os_dupterm_tx_strn(str, len); | |
if (dupterm_res >= 0) { | |
did_write = true; | |
ret = MIN((mp_uint_t)dupterm_res, ret); | |
} | |
#endif | |
return did_write ? ret : 0; | |
} | |
void mp_hal_ticks_cpu_enable(void) { | |
} | |
void mp_hal_pin_config(mp_hal_pin_obj_t pin_obj, uint32_t mode, uint32_t pull, uint32_t drive, uint32_t alt) { | |
ra_gpio_config(pin_obj->pin, mode, pull, drive, alt); | |
} | |
/*******************************************************************************/ | |
// MAC address | |
// Generate a random locally administered MAC address (LAA) | |
void mp_hal_generate_laa_mac(int idx, uint8_t buf[6]) { | |
uint8_t *id = (uint8_t *)MP_HAL_UNIQUE_ID_ADDRESS; | |
buf[0] = 0x02; // LAA range | |
buf[1] = (id[11] << 4) | (id[10] & 0xf); | |
buf[2] = (id[9] << 4) | (id[8] & 0xf); | |
buf[3] = (id[7] << 4) | (id[6] & 0xf); | |
buf[4] = id[2]; | |
buf[5] = (id[0] << 2) | idx; | |
} | |
// A board can override this if needed | |
MP_WEAK void mp_hal_get_mac(int idx, uint8_t buf[6]) { | |
mp_hal_generate_laa_mac(idx, buf); | |
} | |
void mp_hal_get_mac_ascii(int idx, size_t chr_off, size_t chr_len, char *dest) { | |
static const char hexchr[16] = "0123456789ABCDEF"; | |
uint8_t mac[6]; | |
mp_hal_get_mac(idx, mac); | |
for (; chr_len; ++chr_off, --chr_len) { | |
*dest++ = hexchr[mac[chr_off >> 1] >> (4 * (1 - (chr_off & 1))) & 0xf]; | |
} | |
} | |
#if MICROPY_HW_ENABLE_USBDEV | |
void usbfs_interrupt_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST | |
tuh_int_handler(0); | |
#endif | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE | |
tud_int_handler(0); | |
#endif | |
} | |
void usbfs_resume_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST | |
tuh_int_handler(0); | |
#endif | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE | |
tud_int_handler(0); | |
#endif | |
} | |
void usbfs_d0fifo_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST | |
tuh_int_handler(0); | |
#endif | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE | |
tud_int_handler(0); | |
#endif | |
} | |
void usbfs_d1fifo_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST | |
tuh_int_handler(0); | |
#endif | |
#if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE | |
tud_int_handler(0); | |
#endif | |
} | |
void usbhs_interrupt_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST | |
tuh_int_handler(1); | |
#endif | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE | |
tud_int_handler(1); | |
#endif | |
} | |
void usbhs_d0fifo_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST | |
tuh_int_handler(1); | |
#endif | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE | |
tud_int_handler(1); | |
#endif | |
} | |
void usbhs_d1fifo_handler(void) { | |
IRQn_Type irq = R_FSP_CurrentIrqGet(); | |
R_BSP_IrqStatusClear(irq); | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_HOST | |
tuh_int_handler(1); | |
#endif | |
#if CFG_TUSB_RHPORT1_MODE & OPT_MODE_DEVICE | |
tud_int_handler(1); | |
#endif | |
} | |
#endif | |
MP_REGISTER_ROOT_POINTER(struct _machine_uart_obj_t *pyb_stdio_uart); |