diff options
author | Clyne Sullivan <tullivan99@gmail.com> | 2016-11-11 15:02:17 -0500 |
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committer | Clyne Sullivan <tullivan99@gmail.com> | 2016-11-11 15:02:17 -0500 |
commit | 7772ea4579a45bcf63ebd5e68be66ba1a9c72dfa (patch) | |
tree | 9e1ce52ea97102d3513e519a77d999eac228820b /ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c | |
parent | 02b3ff42cccf32617c88c0ca65436b8c9d4f61eb (diff) |
chibios!
Diffstat (limited to 'ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c')
-rw-r--r-- | ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c b/ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c new file mode 100644 index 0000000..4e19b14 --- /dev/null +++ b/ChibiOS_16.1.5/community/testhal/TIVA/TM4C123x/GPT/main.c @@ -0,0 +1,95 @@ +/* + Copyright (C) 2014..2016 Marco Veeneman + + 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" + +/* + * GPT1 callback + */ +static void gpt1cb(GPTDriver *gptp) +{ + (void)gptp; + palClearPad(GPIOF, GPIOF_LED_RED); +} + +/* + * GPT7 callback + */ +static void gpt7cb(GPTDriver *gptp) +{ + (void)gptp; + palSetPad(GPIOF, GPIOF_LED_RED); + chSysLockFromISR(); + gptStartOneShotI(&GPTD1, 31250); /* 0.1 second pulse.*/ + chSysUnlockFromISR(); +} + +/* + * GPT1 configuration. + */ +static const GPTConfig gpt1cfg = +{ + 312500, /* 312500 kHz timer clock.*/ + gpt1cb, /* Timer callback.*/ +}; + +/* + * GPT7 configuration. + */ +static const GPTConfig gpt7cfg = +{ + 10000, /* 10000 kHz timer clock.*/ + gpt7cb, /* Timer callback.*/ +}; + +/* + * 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(); + + palSetPadMode(GPIOF, GPIOF_LED_RED, PAL_MODE_OUTPUT_PUSHPULL); + + /* + * Start the gpt drivers with the custom configurations. + */ + gptStart(&GPTD1, &gpt1cfg); + gptStart(&GPTD7, &gpt7cfg); + + /* + * Normal main() thread activity + */ + while (TRUE) { + gptStartContinuous(&GPTD7, 5000); + chThdSleepMilliseconds(5000); + gptStopTimer(&GPTD7); + gptStartContinuous(&GPTD7, 2500); + chThdSleepMilliseconds(5000); + gptStopTimer(&GPTD7); + } + + return 0; +} |