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/*
* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
*
* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
* the the people's Republic of China and other countries.
* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
*
* DISCLAIMER
* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
* IF YOU NEED TO INTEGRATE THIRD PARTY'S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
* IN ALLWINNERS'SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY'S TECHNOLOGY.
*
*
* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* IN NO EVENT SHALL ALLWINNER 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 <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <hal_log.h>
#include <hal_cmd.h>
#include <hal_timer.h>
#include <hal_uart.h>
static void cmd_usage(void)
{
printf("Usage:\n"
"\t hal_uart <port> <baudrate>\n");
}
int cmd_test_uart(int argc, char **argv)
{
char tbuf[6] = {"hello"};
uint8_t rbuf[10] = {0};
uart_port_t port;
uint32_t baudrate;
_uart_config_t uart_config;
int i;
hal_log_info("Testing UART in loopback mode");
if (argc != 3) {
cmd_usage();
return -1;
}
port = strtol(argv[1], NULL, 0);
baudrate = strtol(argv[2], NULL, 0);
memset(rbuf, 0, 10 * sizeof(uint8_t));
switch (baudrate) {
case 4800:
uart_config.baudrate = UART_BAUDRATE_4800;
break;
case 9600:
uart_config.baudrate = UART_BAUDRATE_9600;
break;
case 115200:
uart_config.baudrate = UART_BAUDRATE_115200;
break;
default:
hal_log_info("Using default baudrate: 115200");
uart_config.baudrate = UART_BAUDRATE_115200;
break;
}
uart_config.word_length = UART_WORD_LENGTH_8;
uart_config.stop_bit = UART_STOP_BIT_1;
uart_config.parity = UART_PARITY_NONE;
hal_uart_init(port);
hal_uart_control(port, 0, &uart_config);
hal_uart_disable_flowcontrol(port);
hal_uart_set_loopback(port, 1);
/* send */
hal_uart_send(port, tbuf, 5);
/* loopback receive */
hal_uart_receive(port, rbuf, 5);
printf("Sending:");
for (i = 0; i < 5; i++)
printf("%c", tbuf[i]);
printf("\n");
printf("Receiving:");
for (i = 0; i < 5; i++)
printf("%c", rbuf[i]);
printf("\n");
/* verify data */
for (i = 0; i < 5; i++) {
if (tbuf[i] != rbuf[i])
break;
}
if (i == 5) {
hal_log_info("Test hal_uart_init API success!");
hal_log_info("Test hal_uart_control API success!");
hal_log_info("Test hal_uart_disable_flowcontrol API success!");
hal_log_info("Test hal_uart_set_loopback API success!");
hal_log_info("Test hal_uart_send API success!");
hal_log_info("Test hal_uart_receive API success!");
hal_log_info("Test hal_uart_deinit API success!");
hal_log_info("Test uart hal APIs success!");
} else {
hal_log_info("Test uart hal APIs failed!");
}
hal_msleep(1000);
hal_uart_deinit(port);
return 0;
}
FINSH_FUNCTION_EXPORT_CMD(cmd_test_uart, hal_uart, uart hal APIs tests)
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