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authorTrygve Laugstøl <trygvis@inamo.no>2018-08-23 17:08:59 +0200
committerTrygve Laugstøl <trygvis@inamo.no>2018-08-23 17:12:21 +0200
commit3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a (patch)
treeab49cc16ed0b853452c5c2ed2d3042416d628986 /thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c
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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c
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+/**
+ * Copyright (c) 2016 - 2018 Nordic Semiconductor ASA and Luxoft Global Operations Gmbh.
+ *
+ * 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 "config.h"
+
+#include "fsm.h"
+#include "uart.h"
+#include "sys_debug.h"
+#include "sys_utils.h"
+#include "boards.h"
+
+
+static char m_tx_buffer[CONFIG_UART_TX_BUFFER_SIZE];
+static char m_rx_buffer[CONFIG_UART_RX_BUFFER_SIZE];
+static hal_uart_config_t m_uart_config =
+{
+ .module = CONFIG_UART_MODULE,
+ .tx_pin = CONFIG_UART_TX_PIN,
+ .rx_pin = CONFIG_UART_RX_PIN,
+ .cts_pin = CONFIG_UART_CTS_PIN,
+ .rts_pin = CONFIG_UART_RTS_PIN,
+ .baudrate = CONFIG_UART_BAUDRATE,
+ .parity = CONFIG_UART_PARITY,
+ .char_size = HAL_UART_EIGHT_BITS_CHAR,
+ .flow_control = HAL_UART_FLOW_CONTROL_ENABLED,
+};
+
+static void uart_read_handler(uint32_t channel, size_t char_count);
+static void uart_write_handler(uint32_t channel, size_t char_count);
+static void uart_error_handler(uint32_t channel, hal_uart_error_t error_description);
+
+hal_uart_descriptor_t g_uart_descr =
+{
+ .write_handler = uart_write_handler,
+ .write_buffer_ptr = m_tx_buffer,
+ .write_buffer_size = ARRAY_SIZE(m_tx_buffer),
+ .read_handler = uart_read_handler,
+ .read_buffer_ptr = m_rx_buffer,
+ .read_buffer_size = ARRAY_SIZE(m_rx_buffer),
+ .error_handler = uart_error_handler,
+};
+
+
+void uart_init(void)
+{
+ g_uart_descr.uart_config = m_uart_config;
+
+ hal_uart_open(&m_uart_config, &g_uart_descr);
+}
+
+static void uart_read_handler(uint32_t channel, size_t char_count)
+{
+ fsm_event_post(E_UART_RX_DONE, NULL);
+}
+
+static void uart_write_handler(uint32_t channel, size_t char_count)
+{
+ fsm_event_post(E_UART_TX_DONE, NULL);
+ LEDS_OFF(BIT(CONFIG_DOWNSTREAM_PIN));
+}
+
+static void uart_error_handler(uint32_t channel, hal_uart_error_t error_description)
+{
+ LEDS_ON(BIT(CONFIG_ERROR_PIN));
+ ASSERT_INFO(error_description == HAL_UART_ERROR_NONE,
+ "Unexpected error code %d\n",
+ error_description);
+ ASSERT(false);
+}
+