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nimble/drivers/fem: Add support for SKY66403-11
This adds driver for SKY66403-11. It is very similar to SKY66112-11 but PINs configuration has different meaning in transmit mode.
This commit is contained in:
Szymon Janc
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#ifndef _SKY66403_H
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#define _SKY66403_H
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void sky66403_tx_linear_mode(uint8_t enabled);
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void sky66403_rx_bypass(uint8_t enabled);
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void sky66403_tx_bypass(uint8_t enabled);
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#if MYNEWT_VAL_CHOICE(SKY66403_ANTENNA_PORT, runtime)
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uint8_t sky66403_default_antenna_get(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SKY66403_H */
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#
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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pkg.name: nimble/drivers/fem/sky66403
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pkg.description: Driver for SKY66403 front-end module
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pkg.author: "Apache Mynewt <[email protected]>"
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pkg.homepage: "https://mynewt.apache.org/"
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pkg.apis:
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- ble_fem_pa
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- ble_fem_lna
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- ble_fem_antenna
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pkg.deps:
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- nimble/controller
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pkg.init:
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sky66403_init: 999
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@@ -0,0 +1,201 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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#include <assert.h>
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#include <sky66403/sky66403.h>
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#include <syscfg/syscfg.h>
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#include <hal/hal_gpio.h>
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#include <controller/ble_fem.h>
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static struct {
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uint8_t rx_bypass : 1;
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uint8_t tx_bypass : 1;
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} sky66403_config = {
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.rx_bypass = MYNEWT_VAL(SKY66403_RX_BYPASS),
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.tx_bypass = MYNEWT_VAL(SKY66403_TX_BYPASS),
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};
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#if !MYNEWT_VAL_CHOICE(SKY66403_ANTENNA_PORT, runtime)
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static uint8_t
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sky66403_default_antenna_get(void)
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{
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if (MYNEWT_VAL_CHOICE(SKY66403_ANTENNA_PORT, ANT2)) {
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return 2;
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} else {
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return 1;
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}
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}
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#endif
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static void
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sky66403_bypass(uint8_t enabled)
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{
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/* this is called only if bypass is enabled which means CPS PIN is
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* correctly set and there is no need to check it here.
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*/
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hal_gpio_write(MYNEWT_VAL(SKY66403_PIN_CPS), enabled);
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}
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void
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ble_fem_pa_init(void)
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{
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sky66403_tx_linear_mode(MYNEWT_VAL(SKY66403_TX_LINEAR_MODE));
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sky66403_tx_bypass(0);
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#if MYNEWT_VAL(BLE_FEM_ANTENNA)
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ble_fem_antenna(0);
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#endif
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}
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void
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ble_fem_pa_enable(void)
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{
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if (sky66403_config.tx_bypass) {
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sky66403_bypass(1);
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}
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}
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void
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ble_fem_pa_disable(void)
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{
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if (sky66403_config.tx_bypass) {
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sky66403_bypass(0);
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}
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}
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void
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ble_fem_lna_init(void)
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{
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sky66403_rx_bypass(0);
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#if MYNEWT_VAL(BLE_FEM_ANTENNA)
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ble_fem_antenna(0);
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#endif
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}
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void
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ble_fem_lna_enable(void)
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{
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if (sky66403_config.rx_bypass) {
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sky66403_bypass(1);
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}
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}
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void
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ble_fem_lna_disable(void)
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{
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if (sky66403_config.rx_bypass) {
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sky66403_bypass(0);
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}
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}
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void
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sky66403_tx_linear_mode(uint8_t enabled)
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{
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int pin = MYNEWT_VAL(SKY66403_PIN_CHL);
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if (pin >= 0) {
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hal_gpio_write(pin, enabled);
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}
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}
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int
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ble_fem_antenna(uint8_t port)
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{
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int pin = MYNEWT_VAL(SKY66403_PIN_SEL);
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uint8_t ant;
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if (pin >= 0) {
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switch (port) {
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case 0:
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ant = sky66403_default_antenna_get();
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assert(ant == 1 || ant == 2);
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return ble_fem_antenna(ant);
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case 1:
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hal_gpio_write(pin, 0);
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break;
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case 2:
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hal_gpio_write(pin, 1);
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break;
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default:
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return -1;
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}
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}
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return 0;
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}
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void
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sky66403_rx_bypass(uint8_t enabled)
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{
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int pin = MYNEWT_VAL(SKY66403_PIN_CPS);
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if (pin >= 0) {
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sky66403_config.rx_bypass = enabled;
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sky66403_bypass(enabled);
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}
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}
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void
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sky66403_tx_bypass(uint8_t enabled)
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{
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int pin = MYNEWT_VAL(SKY66403_PIN_CPS);
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if (pin >= 0) {
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sky66403_config.tx_bypass = enabled;
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sky66403_bypass(enabled);
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}
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}
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void
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sky66403_init(void)
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{
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int pin;
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/* Use CRX and CTX to enable sleep mode */
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pin = MYNEWT_VAL(SKY66403_PIN_CSD);
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if (pin >= 0) {
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hal_gpio_init_out(pin, 1);
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}
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/* Set default tx power mode */
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pin = MYNEWT_VAL(SKY66403_PIN_CHL);
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if (pin >= 0) {
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hal_gpio_init_out(pin, MYNEWT_VAL(SKY66403_TX_LINEAR_MODE));
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}
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/* Disable bypass, we'll enable it when needed */
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pin = MYNEWT_VAL(SKY66403_PIN_CPS);
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if (pin >= 0) {
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hal_gpio_init_out(pin, 0);
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}
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/* configure default antenna */
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pin = MYNEWT_VAL(SKY66403_PIN_SEL);
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if (pin >= 0) {
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switch (sky66403_default_antenna_get()) {
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case 1:
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hal_gpio_init_out(pin, 0);
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break;
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case 2:
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hal_gpio_init_out(pin, 1);
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break;
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default:
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assert(0);
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}
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}
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}
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@@ -0,0 +1,76 @@
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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#
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syscfg.defs:
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SKY66403_PIN_CSD:
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description: >
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GPIO pin number to control CSD signal.
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When set to '-1', pin state will not be changed and it should be
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driven externally.
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value: -1
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SKY66403_PIN_CPS:
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description: >
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GPIO pin number to control CPS signal.
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When set to '-1', pin state will not be changed and it should be
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driven externally.
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value: -1
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SKY66403_PIN_CHL:
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description: >
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GPIO pin number to control CHL signal.
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When set to '-1', pin state will not be changed and it should be
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driven externally.
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value: -1
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SKY66403_PIN_SEL:
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description: >
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GPIO pin number to control SEL signal.
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When set to '-1', pin state will not be changed and it should be
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driven externally.
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value: -1
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SKY66403_TX_LINEAR_MODE:
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description: >
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Enables linear mode for TX.
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Only valid if CHL signal is controller by driver.
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value: 0
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SKY66403_TX_BYPASS:
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description: >
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Enables bypass for TX which effectively disables operation as PA.
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Only valid if CPS signal is controller by driver.
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value: 0
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SKY66403_RX_BYPASS:
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description: >
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Enables bypass for RX which effectively disables operation as PA.
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Only valid if CPS signal is controller by driver.
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value: 0
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SKY66403_ANTENNA_PORT:
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description: >
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Selects which antenna port should be enabled. If 'runtime' is
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selected SKY66403_default_antenna_get() (see SKY66403/SKY66403.h)
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shall be implemeneted by application.
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choices:
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- ANT1
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- ANT2
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- runtime
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value: ANT1
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syscfg.vals.!BLE_FEM_PA:
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# Enable TX bypass by default if PA is disabled
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SKY66403_TX_BYPASS: 1
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syscfg.vals.!BLE_FEM_LNA:
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# Enable RX bypass by default if LNA is disabled
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SKY66403_RX_BYPASS: 1
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