60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
/*
|
|
* Copyright (c) 2019 Foundries.io
|
|
* Copyright (c) 2019 Peter Bigot Consulting, LLC
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#include <zephyr/init.h>
|
|
#include <zephyr/drivers/gpio.h>
|
|
#include "board.h"
|
|
|
|
#define ANT_UFLn_GPIO_SPEC GPIO_DT_SPEC_GET(DT_NODELABEL(sky13351), vctl1_gpios)
|
|
|
|
static inline void external_antenna(bool on)
|
|
{
|
|
struct gpio_dt_spec ufl_gpio = ANT_UFLn_GPIO_SPEC;
|
|
|
|
/*
|
|
* On power-up the SKY13351 is left uncontrolled, so neither
|
|
* PCB nor external antenna is selected. Select the PCB
|
|
* antenna.
|
|
*/
|
|
if (!device_is_ready(ufl_gpio.port)) {
|
|
return;
|
|
}
|
|
|
|
gpio_pin_configure_dt(&ufl_gpio, (on ? GPIO_OUTPUT_ACTIVE : GPIO_OUTPUT_INACTIVE));
|
|
}
|
|
|
|
static int board_particle_boron_init(const struct device *dev)
|
|
{
|
|
ARG_UNUSED(dev);
|
|
|
|
external_antenna(false);
|
|
|
|
#if defined(CONFIG_MODEM_UBLOX_SARA)
|
|
const struct device *gpio_dev;
|
|
|
|
/* Enable the serial buffer for SARA-R4 modem */
|
|
gpio_dev = DEVICE_DT_GET(SERIAL_BUFFER_ENABLE_GPIO_NODE);
|
|
if (!device_is_ready(gpio_dev)) {
|
|
return -ENODEV;
|
|
}
|
|
|
|
gpio_pin_configure(gpio_dev, V_INT_DETECT_GPIO_PIN,
|
|
GPIO_INPUT | V_INT_DETECT_GPIO_FLAGS);
|
|
|
|
gpio_pin_configure(gpio_dev, SERIAL_BUFFER_ENABLE_GPIO_PIN,
|
|
GPIO_OUTPUT_ACTIVE
|
|
| SERIAL_BUFFER_ENABLE_GPIO_FLAGS);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* needs to be done after GPIO driver init, which is at
|
|
* POST_KERNEL:KERNEL_INIT_PRIORITY_DEFAULT.
|
|
*/
|
|
SYS_INIT(board_particle_boron_init, POST_KERNEL, 99);
|