309 lines
11 KiB
C
309 lines
11 KiB
C
/**
|
|
* Copyright (c) 2017 - 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 "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
|