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console.c
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console.c
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/**
* @file ece353.c
* @author your name ([email protected])
* @brief
* @version 0.1
* @date 2023-08-15
*
* @copyright Copyright (c) 2023
*
*/
#include "console.h"
/*****************************************************************************/
/* ICE 01 START*/
/*****************************************************************************/
void console_init(void)
{
cy_rslt_t rslt;
/* Initialize retarget-io to use the debug UART port, 8N1 */
rslt = cy_retarget_io_init(
PIN_UART_DBG_TX,
PIN_UART_DBG_RX,
115200); // Baud Rate
// If the initialization of the console fails, halt the MCU
CY_ASSERT(rslt == CY_RSLT_SUCCESS);
}
/*****************************************************************************/
/* ICE 01 END */
/*****************************************************************************/
/**
* @brief
* Returns a string entered from the console
* @param msg
* A pointer to the character array where the string will be written to
* @return true
* A string was entered at the console. The string ends when a \n or \r is
* received
* @return false
* A string has not been received.
*/
bool console_rx_string(uint8_t *msg)
{
static uint8_t temp_buffer[80];
static uint8_t buffer_index = 0;
cy_rslt_t rslt;
uint8_t c;
bool return_value = false;
/* Check to see if there is a new character from the console*/
/* Wait for 1ms if no character has been received */
rslt = cyhal_uart_getc(&cy_retarget_io_uart_obj, &c, 1);
if (rslt == CY_RSLT_SUCCESS)
{
/* Add the current character to the buffer */
temp_buffer[buffer_index] = c;
/* If the character returned is a \n, return true */
if(c == '\n' || c == '\r'){
/* Change the last char to be the NULL char */
temp_buffer[buffer_index] = 0;
/* Copy the message to the destination address */
strcpy(msg, temp_buffer);
/* Set the index to 0 */
buffer_index = 0;
/* Erase all characters and reset the index */
return_value = true;
}else{
/* increment the index */
buffer_index++;
}
}
return return_value;
}