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Code Issues Releases Wiki Activity

uart增加发送字符串的功能

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This commit is contained in:
fslongjin 2022-08-03 14:52:42 +08:00
parent de3324ed7d
commit 8325799657
2 changed files with 29 additions and 2 deletions
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19
kernel/driver/uart/uart.c
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@ -86,3 +86,22 @@ uchar uart_read(uint32_t port)
return io_in8(port); return io_in8(port);
} }
/**
* @brief 通过串口发送整个字符串
*
* @param port 串口端口
* @param str 字符串
*/
void uart_send_str(uint32_t port, const char *str)
{
if ((unlikely(str == NULL)))
return;
while (1)
{
if (unlikely(*str == '\0'))
return;
uart_send(port, *str);
++str;
}
}

8
kernel/driver/uart/uart.h
View File

@ -62,3 +62,11 @@ void uart_send(uint32_t port, char c);
* @return uchar 接收到的数据 * @return uchar 接收到的数据
*/ */
uchar uart_read(uint32_t port); uchar uart_read(uint32_t port);
/**
* @brief 通过串口发送整个字符串
*
* @param port 串口端口
* @param str 字符串
*/
void uart_send_str(uint32_t port, const char *str);