/**************************************************************************//**
* @brief
* Read from a file.
*
* @param[in] file
* Descriptor for the file you want to read from.
*
* @param[in] ptr
* Pointer to the chacaters that are beeing read.
*
* @param[in] len
* Number of characters to be read.
*
* @return
* Number of characters that have been read.
*****************************************************************************/
int _read(int file, char *ptr, int len)
{
int c, rxCount = 0;
(void) file;
while (len--)
{
if ((c = RETARGET_ReadChar()) != -1)
{
*ptr++ = c;
rxCount++;
}
else
{
break;
}
}
if (rxCount <= 0)
{
return -1; /* Error exit */
}
return rxCount;
}
/* Notes :(1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
* used. The compiler should not generate any code for this statement.
*
*
*********************************************************************************************************
*/
void APP_TaskTwo(void *p_arg)
{
OS_ERR err = OS_ERR_NONE;
/* As USART connectors are not available on the STK by default,
* therefore printf() functions are turned off.
* Uncomment the macro definition in includes.h if serial
* is connected to your STK board (USART1 or LEUART0)! */
#ifdef USART_CONNECTED
static char taskMsg; /* Received character to be passed to TaskThree */
signed int taskCharBuffer = -1; /* Character buffer for receiving */
#endif /* end of #ifndef USART_CONNECTED */
(void)p_arg; /* Note(1) */
while (1)
{ /* Task body, always written as an infinite loop */
/* As USART connectors are not available on the STK by default,
* therefore printf() functions are turned off.
* Uncomment the macro definition in includes.h if serial
* is connected to your STK board (USART1 or LEUART0)! */
#ifdef USART_CONNECTED
/* Load character received on serial (USART0) to character buffer */
taskCharBuffer = RETARGET_ReadChar();
/* If the character in the buffer is valid... */
if (taskCharBuffer != -1)
{
/* ...cast and copy it to message buffer variable... */
taskMsg = (char)taskCharBuffer;
/* ...and post the message to the mailbox */
OSQPost((OS_Q *) pSerialQueObj,
(void *) &taskMsg,
(OS_MSG_SIZE ) 1U,
(OS_OPT )(OS_OPT_POST_FIFO | OS_OPT_POST_ALL),
(OS_ERR *)&err);
if(OS_ERR_NONE != err)
{
/* Error has occured, handle can be done here */
}
}
#endif /* end of #ifndef USART_CONNECTED */
/* Delay task for 1 system tick (uC/OS-III suspends this task and executes
* the next most important task) */
OSTimeDly(1U, OS_OPT_TIME_DLY, &err);
}
}
size_t __read(int handle, unsigned char * buffer, size_t size)
{
/* Remove the #if #endif pair to enable the implementation */
int nChars = 0;
/* This template only reads from "standard in", for all other file
* handles it returns failure. */
if (handle != _LLIO_STDIN)
{
return _LLIO_ERROR;
}
for (/* Empty */; size > 0; --size)
{
int c = RETARGET_ReadChar();
if (c < 0)
break;
*buffer++ = c;
++nChars;
}
return nChars;
}
/**************************************************************************//**
* @brief
* Reads character from file
*
* @param[in] f
* File
*
* @return
* Character
*****************************************************************************/
int fgetc(FILE *f)
{
return(RETARGET_ReadChar());
}
int __getchar(void)
{
return(RETARGET_ReadChar());
}
