From 7437bfef11387f1521f8c33e81885e186b583626 Mon Sep 17 00:00:00 2001 From: Theodore Ateba Date: Wed, 16 Aug 2017 06:39:57 +0000 Subject: Add a specific directory for AVR MEGA in the testhal. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10436 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/AVR/MEGA/I2C/main.c | 70 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 testhal/AVR/MEGA/I2C/main.c (limited to 'testhal/AVR/MEGA/I2C/main.c') diff --git a/testhal/AVR/MEGA/I2C/main.c b/testhal/AVR/MEGA/I2C/main.c new file mode 100644 index 000000000..45d3b09a1 --- /dev/null +++ b/testhal/AVR/MEGA/I2C/main.c @@ -0,0 +1,70 @@ +/* + ChibiOS - Copyright (C) 2006..2016 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" + +static THD_WORKING_AREA(waThread1, 32); +static THD_FUNCTION(Thread1, arg) { + + (void)arg; + chRegSetThreadName("Blinker"); + + while (true) { + palTogglePad(IOPORT2, PORTB_LED1); + chThdSleepMilliseconds(1000); + } +} + +/* + * Application entry point. + */ +int main(void) { + + uint8_t tx[3]; + uint8_t rx[2]; + + /* + * 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(); + + palClearPad(IOPORT2, PORTB_LED1); + i2cStart(&I2CD1, NULL); + + /* + * Starts the LED blinker thread. + */ + chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL); + + while (TRUE) { + /* Write value 0xAA to address 0 on the 24C64 */ + tx[0] = 0x00; + tx[1] = 0x00; + tx[2] = 0xAA; + i2cMasterTransmit(&I2CD1, 0x50, tx, 3, NULL, 0); + + /* Send address 0 and read value at that location */ + i2cMasterTransmit(&I2CD1, 0x50, tx, 2, rx, 1); + + chThdSleepMilliseconds(1000); + } +} -- cgit v1.2.3