224 lines
6.2 KiB
C
224 lines
6.2 KiB
C
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2015 Glenn Ruben Bakke
|
|
*
|
|
* 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 <string.h>
|
|
|
|
#include "py/mpstate.h"
|
|
#include "py/mphal.h"
|
|
#include "py/mperrno.h"
|
|
#include "py/runtime.h"
|
|
#include "uart.h"
|
|
#include "nrfx_errors.h"
|
|
#include "nrfx_config.h"
|
|
|
|
// 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]);
|
|
}
|
|
|
|
#if !MICROPY_KBD_EXCEPTION
|
|
void mp_hal_set_interrupt_char(int c) {
|
|
|
|
}
|
|
#endif
|
|
|
|
#if !MICROPY_PY_BLE_NUS
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
for (;;) {
|
|
if (MP_STATE_PORT(board_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(board_stdio_uart))) {
|
|
return uart_rx_char(MP_STATE_PORT(board_stdio_uart));
|
|
}
|
|
__WFI();
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
|
|
if (MP_STATE_PORT(board_stdio_uart) != NULL) {
|
|
uart_tx_strn(MP_STATE_PORT(board_stdio_uart), str, len);
|
|
}
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
|
|
if (MP_STATE_PORT(board_stdio_uart) != NULL) {
|
|
uart_tx_strn_cooked(MP_STATE_PORT(board_stdio_uart), str, len);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
void mp_hal_stdout_tx_str(const char *str) {
|
|
mp_hal_stdout_tx_strn(str, strlen(str));
|
|
}
|
|
|
|
void mp_hal_delay_us(mp_uint_t us)
|
|
{
|
|
if (us == 0) {
|
|
return;
|
|
}
|
|
|
|
register uint32_t delay __ASM ("r0") = us;
|
|
__ASM volatile (
|
|
#ifdef NRF51
|
|
".syntax unified\n"
|
|
#endif
|
|
"1:\n"
|
|
" SUBS %0, %0, #1\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
#ifdef NRF52
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
" NOP\n"
|
|
#endif
|
|
" BNE 1b\n"
|
|
: "+r" (delay));
|
|
}
|
|
|
|
void mp_hal_delay_ms(mp_uint_t ms)
|
|
{
|
|
for (mp_uint_t i = 0; i < ms; i++)
|
|
{
|
|
mp_hal_delay_us(999);
|
|
}
|
|
}
|
|
|
|
#if defined(NRFX_LOG_ENABLED) && (NRFX_LOG_ENABLED == 1)
|
|
|
|
static const char nrfx_error_unknown[1] = "";
|
|
|
|
static const char nrfx_error_success[] = "NRFX_SUCCESS";
|
|
static const char nrfx_error_internal[] = "NRFX_ERROR_INTERNAL";
|
|
static const char nrfx_error_no_mem[] = "NRFX_ERROR_NO_MEM";
|
|
static const char nrfx_error_not_supported[] = "NRFX_ERROR_NOT_SUPPORTED";
|
|
static const char nrfx_error_invalid_param[] = "NRFX_ERROR_INVALID_PARAM";
|
|
static const char nrfx_error_invalid_state[] = "NRFX_ERROR_INVALID_STATE";
|
|
static const char nrfx_error_invalid_length[] = "NRFX_ERROR_INVALID_LENGTH";
|
|
static const char nrfx_error_timeout[] = "NRFX_ERROR_TIMEOUT";
|
|
static const char nrfx_error_forbidden[] = "NRFX_ERROR_FORBIDDEN";
|
|
static const char nrfx_error_null[] = "NRFX_ERROR_NULL";
|
|
static const char nrfx_error_invalid_addr[] = "NRFX_ERROR_INVALID_ADDR";
|
|
static const char nrfx_error_busy[] = "NRFX_ERROR_BUSY";
|
|
static const char nrfx_error_already_initalized[] = "NRFX_ERROR_ALREADY_INITIALIZED";
|
|
|
|
static const char * nrfx_error_strings[13] = {
|
|
nrfx_error_success,
|
|
nrfx_error_internal,
|
|
nrfx_error_no_mem,
|
|
nrfx_error_not_supported,
|
|
nrfx_error_invalid_param,
|
|
nrfx_error_invalid_state,
|
|
nrfx_error_invalid_length,
|
|
nrfx_error_timeout,
|
|
nrfx_error_forbidden,
|
|
nrfx_error_null,
|
|
nrfx_error_invalid_addr,
|
|
nrfx_error_busy,
|
|
nrfx_error_already_initalized
|
|
};
|
|
|
|
static const char nrfx_drv_error_twi_err_overrun[] = "NRFX_ERROR_DRV_TWI_ERR_OVERRUN";
|
|
static const char nrfx_drv_error_twi_err_anack[] = "NRFX_ERROR_DRV_TWI_ERR_ANACK";
|
|
static const char nrfx_drv_error_twi_err_dnack[] = "NRFX_ERROR_DRV_TWI_ERR_DNACK";
|
|
|
|
static const char * nrfx_drv_error_strings[3] = {
|
|
nrfx_drv_error_twi_err_overrun,
|
|
nrfx_drv_error_twi_err_anack,
|
|
nrfx_drv_error_twi_err_dnack
|
|
};
|
|
|
|
const char * nrfx_error_code_lookup(uint32_t err_code) {
|
|
if (err_code >= NRFX_ERROR_BASE_NUM && err_code <= NRFX_ERROR_BASE_NUM + 13) {
|
|
return nrfx_error_strings[err_code - NRFX_ERROR_BASE_NUM];
|
|
} else if (err_code >= NRFX_ERROR_DRIVERS_BASE_NUM && err_code <= NRFX_ERROR_DRIVERS_BASE_NUM + 3) {
|
|
return nrfx_drv_error_strings[err_code - NRFX_ERROR_DRIVERS_BASE_NUM];
|
|
}
|
|
|
|
return nrfx_error_unknown;
|
|
}
|
|
|
|
#endif // NRFX_LOG_ENABLED
|