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Ekko.bao
2025-07-03 23:58:20 +08:00
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5
application/samples/peripheral/uart/CMakeLists.txt Executable file
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#===============================================================================
# @brief cmake file
# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
#===============================================================================
set(SOURCES "${SOURCES}" "${CMAKE_CURRENT_SOURCE_DIR}/uart_demo.c" PARENT_SCOPE)

45
application/samples/peripheral/uart/Kconfig Executable file
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#===============================================================================
# @brief Kconfig file.
# Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
#===============================================================================
config UART_BUS_ID
int
prompt "Choose UART bus id."
depends on SAMPLE_SUPPORT_UART
default 1
config UART_TXD_PIN
int
prompt "Choose UART TXD pin."
depends on SAMPLE_SUPPORT_UART
default 17
config UART_RXD_PIN
int
prompt "Choose UART RXD pin."
depends on SAMPLE_SUPPORT_UART
default 18
config UART_TXD_PIN_MODE
int
prompt "Choose UART TXD pin mode."
depends on SAMPLE_SUPPORT_UART
default 25
config UART_RXD_PIN_MODE
int
prompt "Choose UART RXD pin mode."
depends on SAMPLE_SUPPORT_UART
default 24
config UART_SUPPORT_INT_MODE
bool
prompt "UART support interrupt mode."
depends on SAMPLE_SUPPORT_UART
default n
config UART_TRANSFER_SIZE
int
prompt "Config UART transfer size."
depends on SAMPLE_SUPPORT_UART
default 64

11
application/samples/peripheral/uart/uart.code-workspace Executable file
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{
"folders": [
{
"path": "../../../../"
}
],
"settings": {
"debug.onTaskErrors": "debugAnyway",
"workspace.samplePath": "./samples/peripheral/uart"
}
}

197
application/samples/peripheral/uart/uart_demo.c Executable file
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/**
* Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2023-2023. All rights reserved.
*
* Description: UART Sample Source. \n
*
* History: \n
* 2023-06-29, Create file. \n
*/
#include "pinctrl.h"
#include "uart.h"
#include "watchdog.h"
#include "soc_osal.h"
#include "app_init.h"
#if defined(CONFIG_UART_SUPPORT_DMA)
#include "dma.h"
#include "hal_dma.h"
#endif
#define UART_BAUDRATE 115200
#define CONFIG_UART_INT_WAIT_MS 5
#define UART_TASK_PRIO 24
#define UART_TASK_STACK_SIZE 0x1000
static uint8_t g_app_uart_rx_buff[CONFIG_UART_TRANSFER_SIZE] = { 0 };
#if defined(CONFIG_UART_SUPPORT_INT_MODE)
static uint8_t g_app_uart_int_rx_flag = 0;
static volatile uint8_t g_app_uart_int_index = 0;
static uint8_t g_app_uart_int_rx_buff[CONFIG_UART_TRANSFER_SIZE] = { 0 };
#endif
static uart_buffer_config_t g_app_uart_buffer_config = {
.rx_buffer = g_app_uart_rx_buff,
.rx_buffer_size = CONFIG_UART_TRANSFER_SIZE
};
#if defined(CONFIG_UART_SUPPORT_DMA)
uart_write_dma_config_t g_app_dma_cfg = {
.src_width = HAL_DMA_TRANSFER_WIDTH_8,
.dest_width = HAL_DMA_TRANSFER_WIDTH_8,
.burst_length = HAL_DMA_BURST_TRANSACTION_LENGTH_1,
.priority = HAL_DMA_CH_PRIORITY_0
};
#endif
static void app_uart_init_pin(void)
{
#if defined(CONFIG_PINCTRL_SUPPORT_IE)
uapi_pin_set_ie(CONFIG_UART_RXD_PIN, PIN_IE_1);
#endif /* CONFIG_PINCTRL_SUPPORT_IE */
uapi_pin_set_mode(CONFIG_UART_TXD_PIN, CONFIG_UART_TXD_PIN_MODE);
uapi_pin_set_mode(CONFIG_UART_RXD_PIN, CONFIG_UART_RXD_PIN_MODE);
}
static void app_uart_init_config(void)
{
uart_attr_t attr = {
.baud_rate = UART_BAUDRATE,
.data_bits = UART_DATA_BIT_8,
.stop_bits = UART_STOP_BIT_1,
.parity = UART_PARITY_NONE
};
uart_pin_config_t pin_config = {
.tx_pin = CONFIG_UART_TXD_PIN,
.rx_pin = CONFIG_UART_RXD_PIN,
.cts_pin = PIN_NONE,
.rts_pin = PIN_NONE
};
#if defined(CONFIG_UART_SUPPORT_DMA)
uart_extra_attr_t extra_attr = {
.tx_dma_enable = true,
.tx_int_threshold = UART_FIFO_INT_TX_LEVEL_EQ_0_CHARACTER,
.rx_dma_enable = true,
.rx_int_threshold = UART_FIFO_INT_RX_LEVEL_1_CHARACTER
};
uapi_dma_init();
uapi_dma_open();
uapi_uart_deinit(CONFIG_UART_BUS_ID);
uapi_uart_init(CONFIG_UART_BUS_ID, &pin_config, &attr, &extra_attr, &g_app_uart_buffer_config);
#else
uapi_uart_deinit(CONFIG_UART_BUS_ID);
uapi_uart_init(CONFIG_UART_BUS_ID, &pin_config, &attr, NULL, &g_app_uart_buffer_config);
#endif
}
#if defined(CONFIG_UART_SUPPORT_INT_MODE)
static void app_uart_read_int_handler(const void *buffer, uint16_t length, bool error)
{
unused(error);
if (buffer == NULL || length == 0) {
osal_printk("uart%d int mode transfer illegal data!\r\n", CONFIG_UART_BUS_ID);
return;
}
uint8_t *buff = (uint8_t *)buffer;
if (memcpy_s(g_app_uart_rx_buff, length, buff, length) != EOK) {
osal_printk("uart%d int mode data copy fail!\r\n", CONFIG_UART_BUS_ID);
return;
}
if (memcpy_s(g_app_uart_int_rx_buff + g_app_uart_int_index, length, g_app_uart_rx_buff, length) != EOK) {
g_app_uart_int_index = 0;
osal_printk("uart%d int mode data2 copy fail!\r\n", CONFIG_UART_BUS_ID);
}
g_app_uart_int_index += length;
g_app_uart_int_rx_flag = 1;
}
static void app_uart_write_int_handler(const void *buffer, uint32_t length, const void *params)
{
unused(params);
uint8_t *buff = (void *)buffer;
for (uint8_t i = 0; i < length; i++) {
osal_printk("uart%d write data[%d] = %d\r\n", CONFIG_UART_BUS_ID, i, buff[i]);
}
}
static void app_uart_register_rx_callback(void)
{
osal_printk("uart%d int mode register receive callback start!\r\n", CONFIG_UART_BUS_ID);
if (uapi_uart_register_rx_callback(CONFIG_UART_BUS_ID, UART_RX_CONDITION_FULL_OR_SUFFICIENT_DATA_OR_IDLE,
1, app_uart_read_int_handler) == ERRCODE_SUCC) {
osal_printk("uart%d int mode register receive callback succ!\r\n", CONFIG_UART_BUS_ID);
}
}
#endif
static void *uart_task(const char *arg)
{
unused(arg);
#if defined(CONFIG_UART_SUPPORT_DMA)
int32_t ret = CONFIG_UART_TRANSFER_SIZE;
#if defined(CONFIG_UART_USING_V151)
ret = ERRCODE_SUCC;
#endif
#endif
/* UART pinmux. */
app_uart_init_pin();
/* UART init config. */
app_uart_init_config();
#if defined(CONFIG_UART_SUPPORT_INT_MODE)
app_uart_register_rx_callback();
#endif
while (1) {
#if defined(CONFIG_UART_SUPPORT_INT_MODE)
while (g_app_uart_int_rx_flag != 1) { osal_msleep(CONFIG_UART_INT_WAIT_MS); }
g_app_uart_int_rx_flag = 0;
osal_printk("uart%d int mode send back!\r\n", CONFIG_UART_BUS_ID);
if (uapi_uart_write_int(CONFIG_UART_BUS_ID, g_app_uart_int_rx_buff, CONFIG_UART_TRANSFER_SIZE, 0,
app_uart_write_int_handler) == ERRCODE_SUCC) {
osal_printk("uart%d int mode send back succ!\r\n", CONFIG_UART_BUS_ID);
}
#elif defined(CONFIG_UART_SUPPORT_DMA)
osal_printk("uart%d dma mode receive start!\r\n", CONFIG_UART_BUS_ID);
if (uapi_uart_read_by_dma(CONFIG_UART_BUS_ID, g_app_uart_rx_buff, CONFIG_UART_TRANSFER_SIZE,
&g_app_dma_cfg) == ret) {
osal_printk("uart%d dma mode receive succ!\r\n", CONFIG_UART_BUS_ID);
}
osal_printk("uart%d dma mode send back!\r\n", CONFIG_UART_BUS_ID);
if (uapi_uart_write_by_dma(CONFIG_UART_BUS_ID, g_app_uart_rx_buff, CONFIG_UART_TRANSFER_SIZE,
&g_app_dma_cfg) == ret) {
osal_printk("uart%d dma mode send back succ!\r\n", CONFIG_UART_BUS_ID);
}
#else
osal_printk("uart%d poll mode receive start!\r\n", CONFIG_UART_BUS_ID);
(void)uapi_watchdog_kick();
if (uapi_uart_read(CONFIG_UART_BUS_ID, g_app_uart_rx_buff, CONFIG_UART_TRANSFER_SIZE,
0) == CONFIG_UART_TRANSFER_SIZE) {
osal_printk("uart%d poll mode receive succ!\r\n", CONFIG_UART_BUS_ID);
}
osal_printk("uart%d poll mode send back!\r\n", CONFIG_UART_BUS_ID);
if (uapi_uart_write(CONFIG_UART_BUS_ID, g_app_uart_rx_buff, CONFIG_UART_TRANSFER_SIZE,
0) == CONFIG_UART_TRANSFER_SIZE) {
osal_printk("uart%d poll mode send back succ!\r\n", CONFIG_UART_BUS_ID);
}
#endif
}
return NULL;
}
static void uart_entry(void)
{
osal_task *task_handle = NULL;
osal_kthread_lock();
task_handle = osal_kthread_create((osal_kthread_handler)uart_task, 0, "UartTask", UART_TASK_STACK_SIZE);
if (task_handle != NULL) {
osal_kthread_set_priority(task_handle, UART_TASK_PRIO);
}
osal_kthread_unlock();
}
/* Run the uart_entry. */
app_run(uart_entry);