From 3061ecca3d0fdfb87dabbf5f63c9e06c2a30f53a Mon Sep 17 00:00:00 2001 From: Trygve Laugstøl Date: Thu, 23 Aug 2018 17:08:59 +0200 Subject: o Initial import. --- .../experimental_log/src/nrf_log_backend_uart.c | 116 +++++++++++++++++++++ 1 file changed, 116 insertions(+) create mode 100644 thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_uart.c (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_uart.c') diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_uart.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_uart.c new file mode 100644 index 0000000..76dad8a --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/experimental_log/src/nrf_log_backend_uart.c @@ -0,0 +1,116 @@ +/** + * Copyright (c) 2016 - 2018, 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 "sdk_common.h" +#if NRF_MODULE_ENABLED(NRF_LOG) && NRF_MODULE_ENABLED(NRF_LOG_BACKEND_UART) +#include "nrf_log_backend_uart.h" +#include "nrf_log_backend_serial.h" +#include "nrf_log_internal.h" +#include "nrf_drv_uart.h" +#include "app_error.h" + +nrf_drv_uart_t m_uart = NRF_DRV_UART_INSTANCE(0); + +static uint8_t m_string_buff[NRF_LOG_BACKEND_UART_TEMP_BUFFER_SIZE]; +static volatile bool m_xfer_done; +static bool m_async_mode; +static void uart_evt_handler(nrf_drv_uart_event_t * p_event, void * p_context) +{ + m_xfer_done = true; +} + +static void uart_init(bool async_mode) +{ + nrf_drv_uart_config_t config = NRF_DRV_UART_DEFAULT_CONFIG; + config.pseltxd = NRF_LOG_BACKEND_UART_TX_PIN; + config.pselrxd = NRF_UART_PSEL_DISCONNECTED; + config.pselcts = NRF_UART_PSEL_DISCONNECTED; + config.pselrts = NRF_UART_PSEL_DISCONNECTED; + config.baudrate = (nrf_uart_baudrate_t)NRF_LOG_BACKEND_UART_BAUDRATE; + ret_code_t err_code = nrf_drv_uart_init(&m_uart, &config, async_mode ? uart_evt_handler : NULL); + APP_ERROR_CHECK(err_code); + + m_async_mode = async_mode; +} + +void nrf_log_backend_uart_init(void) +{ + bool async_mode = NRF_LOG_DEFERRED ? true : false; + uart_init(async_mode); +} + +static void serial_tx(void const * p_context, char const * p_buffer, size_t len) +{ + uint8_t len8 = (uint8_t)(len & 0x000000FF); + m_xfer_done = false; + ret_code_t err_code = nrf_drv_uart_tx(&m_uart, (uint8_t *)p_buffer, len8); + APP_ERROR_CHECK(err_code); + /* wait for completion since buffer is reused*/ + while (m_async_mode && (m_xfer_done == false)) + { + + } + +} + +static void nrf_log_backend_uart_put(nrf_log_backend_t const * p_backend, + nrf_log_entry_t * p_msg) +{ + nrf_log_backend_serial_put(p_backend, p_msg, m_string_buff, + NRF_LOG_BACKEND_UART_TEMP_BUFFER_SIZE, serial_tx); +} + +static void nrf_log_backend_uart_flush(nrf_log_backend_t const * p_backend) +{ + +} + +static void nrf_log_backend_uart_panic_set(nrf_log_backend_t const * p_backend) +{ + nrf_drv_uart_uninit(&m_uart); + + uart_init(false); +} + +const nrf_log_backend_api_t nrf_log_backend_uart_api = { + .put = nrf_log_backend_uart_put, + .flush = nrf_log_backend_uart_flush, + .panic_set = nrf_log_backend_uart_panic_set, +}; +#endif //NRF_MODULE_ENABLED(NRF_LOG) && NRF_MODULE_ENABLED(NRF_LOG_BACKEND_UART) -- cgit v1.2.3