mirror of
https://github.com/zephyrproject-rtos/zephyr
synced 2025-08-21 12:05:21 +00:00
a1adbcb125
This is a complete new cc2520 driver for zephyr. Intention is to fit better within Zephyr device driver model. - It's (almost*) ready to be instanciated as many times as necessary - It's fully interrupt based on SFD and FIFOP (no pin polling) - It's nicer to other sub-systems (it sleeps, no busy-wait loop) - It still loosely complies to old legacy radio device driver model *: GPIO API needs to be fixed in order to accept multiple callbacks, as well as enabling callbacks to retrieve private data. Notes: - Hardware filtering does not work yet as the net stack, above, needs to provide the relevant information for it (src/dst ieee802154 extended addresses, short addresses...) - A embryo of generic functions (txpower, channel, addresses...) have been implemented but don't belong yet to any radio device driver model. Such new driver model will come afterwards (soon?) - SPI API would need to be improved to avoid as much as possible memcpy as well as spi_slave_select() call. Change-Id: I1fd6dfff28fba3984f6006d394ea12f1e763ac18 Signed-off-by: Tomasz Bursztyka <tomasz.bursztyka@linux.intel.com>
60 lines
2.0 KiB
C
60 lines
2.0 KiB
C
/*
|
|
* Copyright (c) 2015 Intel Corporation
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <nanokernel.h>
|
|
#include "board.h"
|
|
#include <uart.h>
|
|
#include <device.h>
|
|
#include <init.h>
|
|
|
|
#if defined(CONFIG_NETWORKING_WITH_15_4_TI_CC2520)
|
|
|
|
#include <gpio.h>
|
|
|
|
static struct device *cc2520_gpio_config[CC2520_GPIO_IDX_LAST_ENTRY];
|
|
|
|
struct device **cc2520_configure_gpios(void)
|
|
{
|
|
struct device *gpio;
|
|
|
|
const int flags_noint_out = GPIO_DIR_OUT;
|
|
const int flags_noint_in = GPIO_DIR_IN;
|
|
const int flags_int_in = (GPIO_DIR_IN | GPIO_INT | GPIO_INT_EDGE |
|
|
GPIO_INT_ACTIVE_HIGH | GPIO_INT_DEBOUNCE);
|
|
|
|
gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_AON_NAME);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_VREG_EN, flags_noint_out);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_RESET, flags_noint_out);
|
|
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_VREG_EN] = gpio;
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_RESET] = gpio;
|
|
|
|
gpio = device_get_binding(CONFIG_TI_CC2520_GPIO_NAME);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_SFD, flags_int_in);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFOP, flags_int_in);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_FIFO, flags_noint_in);
|
|
gpio_pin_configure(gpio, CONFIG_CC2520_GPIO_CCA, flags_noint_in);
|
|
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_FIFOP] = gpio;
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_FIFO] = gpio;
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_SFD] = gpio;
|
|
cc2520_gpio_config[CC2520_GPIO_IDX_CCA] = gpio;
|
|
|
|
return cc2520_gpio_config;
|
|
}
|
|
|
|
#endif /* CONFIG_NETWORKING_WITH_15_4_TI_CC2520 */
|