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Eliminate control characters from rx_string. All control characters are replaced by 0x7F which is an intermediary representation for a space

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This commit is contained in:
Ed Gonzalez 2015-03-17 11:16:17 -05:00
parent 5cd5b63b7e
commit 39680f6139
1 changed files with 6 additions and 1 deletions
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7
DSP_API/SmartSDR_Interface/sched_waveform.c
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@ -196,12 +196,17 @@ Circular_Float_Buffer TX4_cb = &tx4_cb;
void my_put_next_rx_char(void *callback_state, char c) void my_put_next_rx_char(void *callback_state, char c)
{ {
char new_char[2]; char new_char[2];
if ( c == ' ' ) { if ( (uint32) c < 32 || (uint32) c > 126 ) {
/* Treat all control chars as spaces */
output(ANSI_YELLOW "Non-valid RX_STRING char. ASCII code = %d\n", (uint32) c);
new_char[0] = (char) 0x7F;
} else if ( c == ' ' ) {
/* Encode spaces differently */ /* Encode spaces differently */
new_char[0] = (char) 0x7F; new_char[0] = (char) 0x7F;
} else { } else {
new_char[0] = c; new_char[0] = c;
} }
new_char[1] = 0; new_char[1] = 0;
strncat(_rx_string, new_char, MAX_RX_STRING_LENGTH+4); strncat(_rx_string, new_char, MAX_RX_STRING_LENGTH+4);