初始版本

2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
--- a/components/drivers_ext/nrf21540/nrf21540_gpio.c
+++ b/components/drivers_ext/nrf21540/nrf21540_gpio.c
@@ -0,0 +1,126 @@
+/**
+ * Copyright (c) 2020, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#include "nrf21540_gpio.h"
+#include "nrf_assert.h"
+#include "boards.h"
+#include "nrf21540_defs.h"
+#include "nrf_gpiote.h"
+#include "nrf_ppi.h"
+#include "nrf_timer.h"
+
+void nrf21540_gpio_init(void)
+{
+    nrf_gpio_cfg_output(NRF21540_ANTSEL_PIN);
+#if NRF21540_USE_GPIO_MANAGEMENT
+    nrf_gpio_cfg_output(NRF21540_MODE_PIN);
+    //GPIOTE for TXEN pin configuration
+    nrf_gpiote_task_configure(NRF21540_PA_GPIOTE_CHANNEL_NO,
+                              NRF21540_TXEN_PIN,
+                              (nrf_gpiote_polarity_t) GPIOTE_CONFIG_POLARITY_None,
+                              NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_enable(NRF21540_PA_GPIOTE_CHANNEL_NO);
+    //GPIOTE for RXEN pin configuration
+    nrf_gpiote_task_configure(NRF21540_LNA_GPIOTE_CHANNEL_NO,
+                              NRF21540_RXEN_PIN,
+                              (nrf_gpiote_polarity_t) GPIOTE_CONFIG_POLARITY_None,
+                              NRF_GPIOTE_INITIAL_VALUE_LOW);
+    nrf_gpiote_task_enable(NRF21540_LNA_GPIOTE_CHANNEL_NO);
+#endif /*NRF21540_USE_GPIO_MANAGEMENT*/
+}
+
+ret_code_t  nrf21540_gpio_ant_set(nrf21540_antenna_t antenna)
+{
+    if (antenna == NRF21540_ANT1)
+    {
+        nrf_gpio_pin_clear(NRF21540_ANTSEL_PIN);
+    }
+    else if (antenna == NRF21540_ANT2)
+    {
+       nrf_gpio_pin_set(NRF21540_ANTSEL_PIN);
+    }
+    else
+    {
+        return NRF_ERROR_INVALID_PARAM;
+    }
+    return NRF_SUCCESS;
+}
+
+#if NRF21540_USE_GPIO_MANAGEMENT
+
+uint32_t nrf21540_gpio_trx_task_start_address_get(nrf21540_trx_t dir,
+                                                  nrf21540_bool_state_t required_state)
+{
+    uint8_t gpiote_rx_tx_channel =
+                      dir == NRF21540_TX ?
+                      NRF21540_PA_GPIOTE_CHANNEL_NO :
+                      NRF21540_LNA_GPIOTE_CHANNEL_NO;
+    return required_state ==  NRF21540_ENABLE ?
+                      nrf_gpiote_task_addr_get(nrf_gpiote_set_task_get(gpiote_rx_tx_channel)) :
+                      nrf_gpiote_task_addr_get(nrf_gpiote_clr_task_get(gpiote_rx_tx_channel));
+}
+
+void nrf21540_gpio_trx_enable(nrf21540_trx_t dir)
+{
+    uint32_t gpiote_task_start = nrf21540_gpio_trx_task_start_address_get(dir, NRF21540_ENABLE);
+    nrf_ppi_channel_endpoint_setup(NRF21540_TRX_PPI_CHANNEL,
+                   (uint32_t)nrf_timer_event_address_get(NRF21540_TIMER,
+                                                         NRF21540_TIMER_CC_PD_PG_EVENT),
+                   gpiote_task_start);
+    nrf_ppi_channel_enable(NRF21540_TRX_PPI_CHANNEL);
+}
+
+ret_code_t  nrf21540_gpio_pwr_mode_set(nrf21540_pwr_mode_t mode)
+{
+    if (mode == NRF21540_PWR_MODE_A)
+    {
+        nrf_gpio_pin_clear(NRF21540_MODE_PIN);
+    }
+    else if (mode == NRF21540_PWR_MODE_B)
+    {
+        nrf_gpio_pin_set(NRF21540_MODE_PIN);
+    }
+    else
+    {
+        return NRF_ERROR_INVALID_PARAM;
+    }
+    return NRF_SUCCESS;
+}
+
+#endif /*NRF21540_USE_GPIO_MANAGEMENT*/