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git subrepo clone https://github.com/libopencm3/libopencm3.git

Browse Source 
subrepo:
  subdir:   "libopencm3"
  merged:   "88e91c9a7cce"
upstream:
  origin:   "https://github.com/libopencm3/libopencm3.git"
  branch:   "master"
  commit:   "88e91c9a7cce"
git-subrepo:
  version:  "0.4.3"
  origin:   "???"
  commit:   "???"
This commit is contained in:
Arti Zirk
2023-01-21 21:54:42 +02:00
parent f01f2a30fa
commit 054740c5de
1205 changed files with 191912 additions and 0 deletions
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50
libopencm3/lib/nrf/51/Makefile Normal file
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##
## This file is part of the libopencm3 project.
## Copyright (C) 2017-2018 Unicore MX project<dev(at)lists(dot)unicore-mx(dot)org>
## Copyright (C) 2021 Eduard Drusa <ventyl86(at)netkosice(dot)sk>
##
## This library is free software: you can redistribute it and/or modify
## it under the terms of the GNU Lesser General Public License as published by
## the Free Software Foundation, either version 3 of the License, or
## (at your option) any later version.
##
## This library is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU Lesser General Public License for more details.
##
## You should have received a copy of the GNU Lesser General Public License
## along with this library. If not, see <http://www.gnu.org/licenses/>.
##
LIBNAME = libopencm3_nrf51
SRCLIBDIR ?= ../..
CC = $(PREFIX)gcc
AR = $(PREFIX)ar
FP_FLAGS ?= -msoft-float
TGT_CFLAGS = -Os -Wall -Wextra -I../../../include -fno-common \
-mcpu=cortex-m0 -mthumb $(FP_FLAGS) \
-Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \
-ffunction-sections -fdata-sections -MD -DNRF51
TGT_CFLAGS += $(DEBUG_FLAGS)
TGT_CFLAGS += $(STANDARD_FLAGS)
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS += clock_common.o clock.o
OBJS += gpio.o
OBJS += i2c_common.o
OBJS += ppi.o
OBJS += rtc.o
OBJS += radio_common.o ./radio.o
OBJS += timer.o
OBJS += uart.o
VPATH += ../../cm3:../common
include ../../Makefile.include

45
libopencm3/lib/nrf/51/clock.c Normal file
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/** @addtogroup clock_file CLOCK peripheral API
*
* @brief <b>Access functions for the NRF51 Clock Controller </b>
*
* @ingroup peripheral_apis
* LGPL License Terms @ref lgpl_license
* @author @htmlonly &copy; @endhtmlonly 2016
* Roel Postelmans
*
*/
/*
* This file is part of the unicore-mx project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/nrf/clock.h>
#include <libopencm3/nrf/periph.h>
/**@{*/
/** @brief Select nominal frequency of external crystal for HFCLK.
*
* @details This register has to match the actual crystal used in design to
* enable correct behaviour.
*
* @param[in] freq enum clock_xtal_freq
* */
void clock_set_xtal_freq(enum clock_xtal_freq freq)
{
CLOCK_XTALFREQ = freq;
}
/**@}*/

66
libopencm3/lib/nrf/51/radio.c Normal file
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/** @addtogroup radio_file RADIO peripheral API
*
* @brief <b>Access functions for the NRF51 2.4 GHz Radio </b>
* @ingroup peripheral_apis
* LGPL License Terms @ref lgpl_license
* @author @htmlonly &copy; @endhtmlonly 2016
* Maxim Sloyko <maxims@google.com>
*
*/
/*
* This file is part of the unicore-mx project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <libopencm3/nrf/ficr.h>
#include <libopencm3/nrf/radio.h>
/**@{*/
/** @brief Set radio mode.
*
* @details The function also performs all required overrides for BLE and NRF mode.
*
* @param[in] mode the new mode.
* */
void radio_set_mode(enum radio_mode mode)
{
/* This is alias to memory register, thus volatile */
volatile uint32_t *override_pos = 0;
if ((RADIO_MODE_BLE_1MBIT == mode)
&& (FICR_OVERRIDEEN & ~FICR_OVERRIDEEN_BLE_1MBIT)) {
/* Need to use Override */
override_pos = &FICR_BLE_1MBIT0;
} else if ((RADIO_MODE_NRF_1MBIT == mode)
&& (FICR_OVERRIDEEN & ~FICR_OVERRIDEEN_NRF_1MBIT)) {
override_pos = &FICR_NRF_1MBIT0;
}
if (override_pos) {
uint8_t i;
for (i = 0; i <= 4; ++i, ++override_pos) {
RADIO_OVERRIDE(i) = *override_pos;
}
RADIO_OVERRIDE(4) |= RADIO_OVERRIDE4_ENABLE;
} else {
RADIO_OVERRIDE(4) &= ~RADIO_OVERRIDE4_ENABLE;
}
RADIO_MODE = mode;
}
/**@}*/