diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/uart/nrf_cli_uart.c')
-rw-r--r-- | thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/uart/nrf_cli_uart.c | 308 |
1 files changed, 308 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/uart/nrf_cli_uart.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/uart/nrf_cli_uart.c new file mode 100644 index 0000000..d38941a --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/cli/uart/nrf_cli_uart.c @@ -0,0 +1,308 @@ +/** + * Copyright (c) 2017 - 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_CLI_UART) +#include "nrf_cli_uart.h" +#include "nrf_drv_uart.h" +#include "nrf_assert.h" + +#define NRF_LOG_MODULE_NAME cli_uart + +#define NRF_LOG_LEVEL (NRF_CLI_UART_CONFIG_LOG_ENABLED ? NRF_CLI_UART_CONFIG_LOG_LEVEL : 0) +#define NRF_LOG_INFO_COLOR NRF_CLI_UART_CONFIG_INFO_COLOR +#define NRF_LOG_DEBUG_COLOR NRF_CLI_UART_CONFIG_DEBUG_COLOR + +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + +#define CLI_UART_RX_TIMEOUT 100 + +static ret_code_t rx_try(nrf_cli_uart_internal_t * p_internal) +{ + ret_code_t err_code; + size_t len = 255; + uint8_t * p_data; + + err_code = nrf_ringbuf_alloc(p_internal->p_rx_ringbuf, &p_data, &len, true); + ASSERT(err_code == NRF_SUCCESS); + + if ((err_code == NRF_SUCCESS) && len) + { + err_code = nrf_drv_uart_rx(p_internal->p_uart, p_data, len); + + if (err_code == NRF_SUCCESS) + { + err_code = app_timer_start(*p_internal->p_timer, + APP_TIMER_TICKS(CLI_UART_RX_TIMEOUT), + p_internal); + } + } + + return err_code; +} + +static void uart_event_handler(nrf_drv_uart_event_t * p_event, void * p_context) +{ + nrf_cli_uart_internal_t * p_internal = (nrf_cli_uart_internal_t *)p_context; + ret_code_t err_code = NRF_SUCCESS; + UNUSED_VARIABLE(err_code); + uint8_t * p_data; + size_t len = 255; + switch (p_event->type) + { + case NRF_DRV_UART_EVT_ERROR: + NRF_LOG_WARNING("id:%d, evt: ERROR:%d", + p_internal->p_uart->inst_idx, + p_event->data.error.error_mask); + err_code = nrf_ringbuf_put(p_internal->p_rx_ringbuf, p_event->data.error.rxtx.bytes); + ASSERT((err_code == NRF_SUCCESS) || (err_code == NRF_ERROR_NO_MEM)); + err_code = rx_try(p_internal); + ASSERT(err_code == NRF_SUCCESS); + + break; + + case NRF_DRV_UART_EVT_RX_DONE: + err_code = nrf_ringbuf_put(p_internal->p_rx_ringbuf, p_event->data.rxtx.bytes); + ASSERT((err_code == NRF_SUCCESS) || (err_code == NRF_ERROR_NO_MEM)); + + if (p_event->data.rxtx.bytes) + { + NRF_LOG_INFO("id:%d, evt: RXRDY len:%d", + p_internal->p_uart->inst_idx, + p_event->data.rxtx.bytes); + NRF_LOG_HEXDUMP_DEBUG(p_event->data.rxtx.p_data, p_event->data.rxtx.bytes); + p_internal->p_cb->handler(NRF_CLI_TRANSPORT_EVT_RX_RDY, + p_internal->p_cb->p_context); + } + err_code = rx_try(p_internal); + ASSERT(err_code == NRF_SUCCESS); + + break; + + case NRF_DRV_UART_EVT_TX_DONE: + err_code = nrf_ringbuf_free(p_internal->p_tx_ringbuf, p_event->data.rxtx.bytes); + ASSERT(err_code == NRF_SUCCESS); + len = 255; + err_code = nrf_ringbuf_get(p_internal->p_tx_ringbuf, &p_data, &len, true); + ASSERT(err_code == NRF_SUCCESS); + if (len) + { + NRF_LOG_INFO("id:%d, evt uart_tx, len:%d", p_internal->p_uart->inst_idx, len); + err_code = nrf_drv_uart_tx(p_internal->p_uart, p_data, len); + ASSERT(err_code == NRF_SUCCESS); + } + p_internal->p_cb->handler(NRF_CLI_TRANSPORT_EVT_TX_RDY, p_internal->p_cb->p_context); + NRF_LOG_INFO("id:%d, evt: TXRDY, len:%d", + p_internal->p_uart->inst_idx, + p_event->data.rxtx.bytes); + break; + + default: + NRF_LOG_ERROR("Unknown event"); + ASSERT(false); + } +} + +static void timer_handler(void * p_context) +{ + nrf_cli_uart_internal_t * p_internal = (nrf_cli_uart_internal_t *)p_context; + NRF_LOG_DEBUG("id:%d, evt: Timeout", p_internal->p_uart->inst_idx); + nrf_drv_uart_rx_abort(p_internal->p_uart); +} + +static ret_code_t cli_uart_init(nrf_cli_transport_t const * p_transport, + void const * p_config, + nrf_cli_transport_handler_t evt_handler, + void * p_context) +{ + nrf_cli_uart_internal_t * p_internal = + CONTAINER_OF(p_transport, + nrf_cli_uart_internal_t, + transport); + p_internal->p_cb->handler = evt_handler; + p_internal->p_cb->p_context = p_context; + p_internal->p_cb->timer_created = false; + p_internal->p_cb->blocking = false; + + nrf_drv_uart_config_t * p_uart_config = (nrf_drv_uart_config_t *)p_config; + memcpy(&p_internal->p_cb->uart_config, p_uart_config, sizeof(nrf_drv_uart_config_t)); + p_uart_config->p_context = (void *)p_internal; + ret_code_t err_code = nrf_drv_uart_init(p_internal->p_uart, + p_uart_config, + uart_event_handler); + if (err_code == NRF_SUCCESS) + { + nrf_ringbuf_init(p_internal->p_rx_ringbuf); + nrf_ringbuf_init(p_internal->p_tx_ringbuf); + } + return err_code; +} + +static ret_code_t cli_uart_uninit(nrf_cli_transport_t const * p_transport) +{ + nrf_cli_uart_internal_t * p_internal = + CONTAINER_OF(p_transport, + nrf_cli_uart_internal_t, + transport); + + nrf_drv_uart_uninit(p_internal->p_uart); + + return app_timer_stop(*p_internal->p_timer); +} + +static ret_code_t cli_uart_enable(nrf_cli_transport_t const * p_transport, + bool blocking) +{ + nrf_cli_uart_internal_t * p_internal = + CONTAINER_OF(p_transport, + nrf_cli_uart_internal_t, + transport); + ret_code_t err_code = NRF_SUCCESS; + + if (p_internal->p_cb->timer_created) + { + err_code = app_timer_stop(*p_internal->p_timer); //Timer may be running or inactive + if ((err_code != NRF_SUCCESS) && (err_code != NRF_ERROR_INVALID_STATE)) + { + return err_code; + } + else + { + err_code = NRF_SUCCESS; + } + } + + if (blocking) + { + nrf_drv_uart_uninit(p_internal->p_uart); + err_code = nrf_drv_uart_init(p_internal->p_uart, &p_internal->p_cb->uart_config, NULL); + if (err_code == NRF_SUCCESS) + { + p_internal->p_cb->blocking = true; + return NRF_SUCCESS; + } + else + { + return NRF_ERROR_NOT_SUPPORTED; + } + } + else + { + if (!p_internal->p_cb->timer_created) + { + err_code = app_timer_create(p_internal->p_timer, + APP_TIMER_MODE_SINGLE_SHOT, + timer_handler); + p_internal->p_cb->timer_created = true; + } + if (err_code == NRF_SUCCESS) + { + err_code = rx_try(p_internal); + } + } + return err_code; +} + +static ret_code_t cli_uart_read(nrf_cli_transport_t const * p_transport, + void * p_data, + size_t length, + size_t * p_cnt) +{ + ASSERT(p_cnt); + nrf_cli_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_uart_internal_t, transport); + + *p_cnt = length; + ret_code_t err_code = nrf_ringbuf_cpy_get(p_instance->p_rx_ringbuf, p_data, p_cnt); + + if (*p_cnt) + { + NRF_LOG_INFO("id:%d, read:%d", p_instance->p_uart->inst_idx, *p_cnt); + } + + return err_code; +} + +static ret_code_t cli_uart_write(nrf_cli_transport_t const * p_transport, + void const * p_data, + size_t length, + size_t * p_cnt) +{ + ASSERT(p_cnt); + nrf_cli_uart_internal_t * p_instance = + CONTAINER_OF(p_transport, nrf_cli_uart_internal_t, transport); + ret_code_t err_code; + *p_cnt = length; + err_code = nrf_ringbuf_cpy_put(p_instance->p_tx_ringbuf, p_data, p_cnt); + if (err_code == NRF_SUCCESS) + { + NRF_LOG_INFO("id:%d, write, req:%d, done:%d", + p_instance->p_uart->inst_idx, + length, + *p_cnt); + + if (!nrf_drv_uart_tx_in_progress(p_instance->p_uart)) + { + uint8_t * p_buf; + size_t len = 255; + if (nrf_ringbuf_get(p_instance->p_tx_ringbuf, &p_buf, &len, true) == NRF_SUCCESS) + { + NRF_LOG_INFO("id:%d, uart_tx, len:%d", p_instance->p_uart->inst_idx, len); + + err_code = nrf_drv_uart_tx(p_instance->p_uart, p_buf, len); + if (p_instance->p_cb->blocking && (err_code == NRF_SUCCESS)) + { + (void)nrf_ringbuf_free(p_instance->p_tx_ringbuf, len); + } + } + } + } + return err_code; +} + +const nrf_cli_transport_api_t nrf_cli_uart_transport_api = { + .init = cli_uart_init, + .uninit = cli_uart_uninit, + .enable = cli_uart_enable, + .read = cli_uart_read, + .write = cli_uart_write, +}; + +#endif |