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Diffstat (limited to 'testhal/TIVA/multi/PAL/main.c')
| -rw-r--r-- | testhal/TIVA/multi/PAL/main.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/testhal/TIVA/multi/PAL/main.c b/testhal/TIVA/multi/PAL/main.c new file mode 100644 index 0000000..f9f381d --- /dev/null +++ b/testhal/TIVA/multi/PAL/main.c @@ -0,0 +1,191 @@ +/* + ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +#include "ch.h" +#include "hal.h" +#include "portab.h" + +/*===========================================================================*/ +/* Generic code. */ +/*===========================================================================*/ + +#if defined(PORTAB_LINE_LED2) +/* + * LED blinker thread, times are in milliseconds. + */ +static THD_WORKING_AREA(waThread1, 1024); +static THD_FUNCTION(Thread1, arg) { + (void)arg; + chRegSetThreadName("blinker"); + while (true) { + systime_t time = palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED ? 250 : 500; + palToggleLine(PORTAB_LINE_LED2); + chThdSleepMilliseconds(time); + } +} +#endif + +#if PAL_USE_WAIT || defined(__DOXYGEN__) + +/* + * Application entry point. + */ +int main(void) { + + /* + * System initializations. + * - HAL initialization, this also initializes the configured device drivers + * and performs the board-specific initializations. + * - Kernel initialization, the main() function becomes a thread and the + * RTOS is active. + */ + halInit(); + chSysInit(); + + palSetLineMode(PORTAB_LINE_LED1, PAL_MODE_OUTPUT_PUSHPULL); + palSetLineMode(PORTAB_LINE_LED2, PAL_MODE_OUTPUT_PUSHPULL); + palSetLineMode(PORTAB_LINE_BUTTON, PAL_MODE_INPUT_PULLUP); + +#if defined(PORTAB_LINE_LED2) + /* + * Creates the blinker thread. + */ + chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); +#endif + + /* Enabling events on both edges of the button line.*/ + palEnableLineEvent(PORTAB_LINE_BUTTON, PAL_EVENT_MODE_BOTH_EDGES); + + /* + * Normal main() thread activity. + */ + while (true) { + /* Waiting for an edge on the button.*/ + palWaitLineTimeout(PORTAB_LINE_BUTTON, TIME_INFINITE); + + /* Action depending on button state.*/ + if (palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED) { + palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_ON); + } + else { + palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_OFF); + } + } +} + +#endif /* PAL_USE_WAIT */ + +#if !PAL_USE_WAIT && PAL_USE_CALLBACKS + +static event_source_t button_pressed_event; +static event_source_t button_released_event; + +static void button_cb(void *arg) { + + (void)arg; + + chSysLockFromISR(); + if (palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED) { + chEvtBroadcastI(&button_pressed_event); + } + else { + chEvtBroadcastI(&button_released_event); + } + chSysUnlockFromISR(); +} + +/* + * Application entry point. + */ +int main(void) { + event_listener_t el0, el1; + + /* + * System initializations. + * - HAL initialization, this also initializes the configured device drivers + * and performs the board-specific initializations. + * - Kernel initialization, the main() function becomes a thread and the + * RTOS is active. + */ + halInit(); + chSysInit(); + + /* Events initialization and registration.*/ + chEvtObjectInit(&button_pressed_event); + chEvtObjectInit(&button_released_event); + chEvtRegister(&button_pressed_event, &el0, 0); + chEvtRegister(&button_released_event, &el1, 1); + +#if defined(PORTAB_LINE_LED2) + /* + * Creates the blinker thread. + */ + chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); +#endif + + /* Enabling events on both edges of the button line.*/ + palEnableLineEvent(PORTAB_LINE_BUTTON, PAL_EVENT_MODE_BOTH_EDGES); + palSetLineCallback(PORTAB_LINE_BUTTON, button_cb, NULL); + + /* + * Normal main() thread activity. + */ + while (true) { + eventmask_t events; + + events = chEvtWaitOne(EVENT_MASK(0) | EVENT_MASK(1)); + if (events & EVENT_MASK(0)) { + palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_ON); + } + if (events & EVENT_MASK(1)) { + palWriteLine(PORTAB_LINE_LED1, PORTAB_LED_OFF); + } + } +} +#endif /* !PAL_USE_WAIT && PAL_USE_CALLBACKS */ + +#if !PAL_USE_WAIT && !PAL_USE_CALLBACKS +/* + * Application entry point. + */ +int main(void) { + + /* + * System initializations. + * - HAL initialization, this also initializes the configured device drivers + * and performs the board-specific initializations. + * - Kernel initialization, the main() function becomes a thread and the + * RTOS is active. + */ + halInit(); + chSysInit(); + +#if defined(PORTAB_LINE_LED2) + /* + * Creates the blinker thread. + */ + chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); +#endif + + /* + * Normal main() thread activity. + */ + while (true) { + palToggleLine(PORTAB_LINE_LED1); + chThdSleepMilliseconds(500); + } +} +#endif /* !PAL_USE_WAIT && !PAL_USE_CALLBACKS */ |