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authorTheodore Ateba <tf.ateba@gmail.com>2018-02-12 20:18:51 +0000
committerTheodore Ateba <tf.ateba@gmail.com>2018-02-12 20:18:51 +0000
commit7e524e21e2e68b411aafde2e1b9e5229f3bdbff2 (patch)
tree6bdb995f866f2be00ea04296131c2cd8dd5bd15a /testhal/AVR/XMEGA/USART/main.c
parent74346e204e4c09f741317f88af8b49a64d37c249 (diff)
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AVR: Add a testhal demo for XMEGA128U4A to test the USART low level driver.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11495 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'testhal/AVR/XMEGA/USART/main.c')
-rw-r--r--testhal/AVR/XMEGA/USART/main.c89
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diff --git a/testhal/AVR/XMEGA/USART/main.c b/testhal/AVR/XMEGA/USART/main.c
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+++ b/testhal/AVR/XMEGA/USART/main.c
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+/*
+ ChibiOS - Copyright (C) 2016..2018 Theodore Ateba
+
+ 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"
+
+/**
+ * @brief USARTC0 configuration structure.
+ */
+const UARTConfig usart1cfg = {
+ NULL, /* Transmission buffer callback. */
+ NULL, /* End of physical transmission callback. */
+ NULL, /* Received buffer filled callback. */
+ NULL, /* Caractere received while output. */
+ NULL, /* Received error callback. */
+ 115200, /* Usart baud rate. */
+ false, /* Double transmission speed. */
+ false, /* Multiprocessor communication mode bit. */
+ false, /* Transmission bit 8. */
+ USART_CMODE_ASYNCHRONOUS, /* Communication mode. */
+ USART_PMODE_DISABLE, /* Parity mode. */
+ false, /* False=1bit stop, true=2bit stop. */
+ USART_CHSIZE_8BIT, /* Caractere size. */
+};
+
+static THD_WORKING_AREA(waThread1, 32);
+static THD_FUNCTION(Thread1, arg) {
+
+ (void)arg;
+ chRegSetThreadName("Blinker");
+
+ while (true) {
+ palClearPad(IOPORT5, PORTE_LED);
+ chThdSleepMilliseconds(2000);
+ palSetPad(IOPORT5, PORTE_LED);
+ chThdSleepMilliseconds(50);
+ }
+}
+
+/*
+ * 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();
+
+ /*
+ * Set the TX and the RX pin to use the USARTC0 module.
+ * PIN3 (TXD0) as output for USARTC0.
+ * PIN2 (RXD0) as input for USARTC0.
+ */
+ palSetPadMode(IOPORT3, PIN3, PAL_MODE_OUTPUT_PUSHPULL);
+ palSetPadMode(IOPORT3, PIN2, PAL_MODE_INPUT_PULLUP);
+
+ /* Start the USART1 (USARTC0). */
+ uartStart(&USART1D, &usart1cfg);
+
+ /*
+ * Starts the LED blinker thread.
+ */
+ chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+ while (TRUE) {
+ uartStartSend(&USART1D,14, (const uint8_t *)"Hello world!\r\n");
+ chThdSleepMilliseconds(2000);
+ }
+}
+