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70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/** Timer/Counter unit test.
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*
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* @file
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* @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
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* @copyright 2017, Steffen Vogel
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* @license GNU General Public License (version 3)
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*
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* VILLASfpga
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <criterion/criterion.h>
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#include "config.h"
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#include <villas/log.h>
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#include <villas/fpga/card.h>
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#include <villas/fpga/vlnv.h>
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#include <villas/fpga/ip.h>
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#include <villas/fpga/ips/timer.h>
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extern struct fpga_card *card;
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Test(fpga, timer, .description = "Timer Counter")
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{
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int ret;
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struct fpga_ip *ip;
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struct timer *tmr;
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ip = fpga_vlnv_lookup(&card->ips, &(struct fpga_vlnv) { "xilinx.com", "ip", "axi_timer", NULL });
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cr_assert(ip);
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tmr = (struct timer *) ip->_vd;
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XTmrCtr *xtmr = &tmr->inst;
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ret = intc_enable(card->intc, (1 << ip->irq), 0);
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cr_assert_eq(ret, 0, "Failed to enable interrupt");
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XTmrCtr_SetOptions(xtmr, 0, XTC_EXT_COMPARE_OPTION | XTC_DOWN_COUNT_OPTION);
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XTmrCtr_SetResetValue(xtmr, 0, FPGA_AXI_HZ / 125);
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XTmrCtr_Start(xtmr, 0);
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uint64_t counter = intc_wait(card->intc, ip->irq);
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info("Got IRQ: counter = %ju", counter);
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if (counter == 1)
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return;
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else
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warn("Counter was not 1");
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intc_disable(card->intc, (1 << ip->irq));
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cr_assert_eq(ret, 0, "Failed to disable interrupt");
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return;
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}
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