54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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/*
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ChibiOS - Copyright (C) 2006..2016 Nicolas Reinecke
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "ch.h"
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#include "hal.h"
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/*
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* Application entry point.
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*/
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int main(void) {
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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chSysInit();
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static QEIConfig qeicfg = {
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QEI_MODE_QUADRATURE,
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QEI_BOTH_EDGES,
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QEI_DIRINV_FALSE,
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};
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qeiStart(&QEID3, &qeicfg);
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qeiEnable(&QEID3);
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uint16_t qei;
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while (1) {
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qei = qeiGetCount(&QEID3);
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if (qei & 1)
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palSetPad(GPIOC, GPIOC_LED_GREEN);
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else
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palClearPad(GPIOC, GPIOC_LED_GREEN);
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}
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}
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