106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
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#include "shell_uart.h"
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//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ַ<EFBFBD>
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void dev_uart_out_char(char c)
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{
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uart_putchar(TERM_UART_INDEX, c);
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}
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//<2F><>ȡһ<C8A1><D2BB><EFBFBD>ַ<EFBFBD>
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char dev_uart_in_char()
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{
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uart_device_info *dev = (uart_device_info *)g_term_uart_handle;
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//osSemaphoreWait(dev->sem_recv_one_byte_data,0);
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osDelay(300);
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return uart_dev_in_char(g_term_uart_handle);
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}
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#if 0
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//shell<6C><6C><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
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__weak size_t __write(int handle, const unsigned char * buffer, size_t size)
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{
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size_t nChars = 0;
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if (buffer == 0)
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{
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/* This means that we should flush internal buffers. Since we*/
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/* don't we just return. (Remember, "handle" == -1 means that all*/
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/* handles should be flushed.)*/
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return 0;
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}
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/* This function only writes to "standard out" and "standard err",*/
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/* for all other file handles it returns failure.*/
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if ((handle != _LLIO_STDOUT) && (handle != _LLIO_STDERR))
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{
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return _LLIO_ERROR;
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}
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/* Send data.*/
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while (size--)
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{
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dev_uart_out_char(*buffer++);
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++nChars;
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}
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return nChars;
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}
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__weak size_t __read(int handle, unsigned char * buffer, size_t size)
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{
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size_t nChars = 0;
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uint16_t ch = 0;
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if (buffer == 0)
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{
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/* This means that we should flush internal buffers. Since we*/
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/* don't we just return. (Remember, "handle" == -1 means that all*/
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/* handles should be flushed.)*/
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return 0;
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}
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/* This function only writes to "standard out" and "standard err",*/
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/* for all other file handles it returns failure.*/
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if ((handle != _LLIO_STDIN) && (handle != _LLIO_STDERR))
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{
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return _LLIO_ERROR;
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}
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/* read data.*/
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while (size--)
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{
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ch=dev_uart_in_char();
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*buffer++ = (char)ch & 0xFF;
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++nChars;
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}
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return nChars;
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}
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/**
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* \brief UART putchar function
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* \attention <EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \param[in] instance UARTģ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \param[in] str ָ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD>
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* \retval None
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*/
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static void UART_putstr(UART_MemMapPtr instance, const char *str)
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{
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while(*str != '\0')
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{
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uart_putchar(UART1_BASE_PTR, *str++);
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}
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}
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/**
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* \brief <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>
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* \attention <EFBFBD>ڲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* \retval None
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*/
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static void printn(unsigned int n, unsigned int b)
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{
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static char *ntab = "0123456789ABCDEF";
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unsigned int a, m;
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if (n / b)
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{
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a = n / b;
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printn(a, b);
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}
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m = n % b;
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uart_putchar(UART1_BASE_PTR, ntab[m]);
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}
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#endif
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