// Built with BFTC Rev. 1.0.0, lun 25 agosto 2014 14:19:58
Copyright 2014 Digital Technology Art SRL
This file is part of Blackfin Toolchain (BFTC) project.
BFTC is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
BFTC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Nome-Programma. If not, see <http://www.gnu.org/licenses/>.
// Show how to implement a simple fast counter on port PG0.
// The counter is capable to count with a frequency higher then 1.5MHz
unsigned counter = 0;
// Interrupt service procedure
// Clear the interrupt request
*pPORTGIO_CLEAR = PG0;
unsigned char Menu()
printf("0 - Clear counts\n");
printf("D - Display counts\n");
Set_PLL(16, 4); // CORE: 25MHz * 16 = 400MHz, SCLK: 400MHz / 4 = 100MHz
Set_Port(); // Set the port according to project set
Set_Uart0(115200); // printf is redirected to UART0
// Set an interrupt on the rising edge of the PG0 port
while(1) // Main loop
com = Menu();
case '0': counter = 0;
case 'D': printf("%8u\n", counter);