diff options
Diffstat (limited to 'src/c/hardware/avr/uart/i16AVRUARTTransmits.c')
-rw-r--r-- | src/c/hardware/avr/uart/i16AVRUARTTransmits.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/c/hardware/avr/uart/i16AVRUARTTransmits.c b/src/c/hardware/avr/uart/i16AVRUARTTransmits.c new file mode 100644 index 0000000..4d90776 --- /dev/null +++ b/src/c/hardware/avr/uart/i16AVRUARTTransmits.c @@ -0,0 +1,73 @@ +/* Copyright (C) 2016 - IIT Bombay - FOSSEE + + This file must be used under the terms of the CeCILL. + This source file is licensed as described in the file COPYING, which + you should have received as part of this distribution. The terms + are also available at + http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt + Author: Ashish Kamble + Organization: FOSSEE, IIT Bombay + Email: toolbox@scilab.in +*/ +//Function to Transmit Signed Integer Values. + + +#include "AVRPeripheralUART.h" + + +uint8 i16AVRUARTTransmits(int16 data) +{ + uint8 temp1; + uint8 temp2; + uint8 temp3; + uint8 temp4; + uint8 temp5; + if(data<0) + { + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (45); // Put data into buffer, sends the data + } + data = abs(data); + temp1 = data/10000; + if(temp1==0); + else + { + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (48+temp1); // Put data into buffer, sends the data + } + data = data % 10000; + temp2 = data/1000; + if((temp1==0)&(temp2==0)); + else + { + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (48+temp2); // Put data into buffer, sends the data + } + data = data % 1000; + temp3 = data/100; + if((temp1==0)&(temp2==0)&(temp3==0)); + else + { + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (48+temp3); // Put data into buffer, sends the data + } + data = data % 100; + temp4 = data/10; + if((temp1==0)&(temp2==0)&(temp3==0)&(temp4==0)); + else + { + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (48+temp4); // Put data into buffer, sends the data + } + temp5 = data % 10; + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (48+temp5); // Put data into buffer, sends the data + + + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (10); // Put data into buffer, sends the data + while ( !( UCSRA & (1<<UDRE)) ) ; // Wait for empty transmit buffer + UDR = (13); // Put data into buffer, sends the data + return 0; +} + |