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author | Trygve Laugstøl <trygvis@inamo.no> | 2018-08-23 17:08:59 +0200 |
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committer | Trygve Laugstøl <trygvis@inamo.no> | 2018-08-23 17:12:21 +0200 |
commit | 3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a (patch) | |
tree | ab49cc16ed0b853452c5c2ed2d3042416d628986 /thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c | |
download | iot-sensors-master.tar.gz iot-sensors-master.tar.bz2 iot-sensors-master.tar.xz iot-sensors-master.zip |
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c | 108 |
1 files changed, 108 insertions, 0 deletions
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 new file mode 100644 index 0000000..33d87c4 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/examples/802_15_4/wireless_uart/uart.c @@ -0,0 +1,108 @@ +/** + * 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); +} + |