From 7437bfef11387f1521f8c33e81885e186b583626 Mon Sep 17 00:00:00 2001
From: Theodore Ateba <tf.ateba@gmail.com>
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/SPI/main.c | 91 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 testhal/AVR/MEGA/SPI/main.c

(limited to 'testhal/AVR/MEGA/SPI/main.c')

diff --git a/testhal/AVR/MEGA/SPI/main.c b/testhal/AVR/MEGA/SPI/main.c
new file mode 100644
index 000000000..0cc3bcf5a
--- /dev/null
+++ b/testhal/AVR/MEGA/SPI/main.c
@@ -0,0 +1,91 @@
+/*
+    ChibiOS - Copyright (C) 2016 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"
+#include "chprintf.h"
+
+/**
+ * @brief Global variables
+ */
+BaseSequentialStream * chp = (BaseSequentialStream *) &SD1;
+
+/*
+ * @brief   Data to transmit over the spi bus.
+ */
+char txbuf[] = "ABCD";
+
+/**
+ * @brief   Spi callback.
+ */
+void spiCallback(SPIDriver *spip) {
+
+  chnWrite(&SD1, (const uint8_t *)"*", 1);
+  spip->txbuf = 0;
+};
+
+/**
+ * @biref   SPI configuration strucrture.
+ */
+static const SPIConfig spiCfg = {
+  IOPORT2,          /* SPI chip select port.  */
+  7,                /* SPI chip select pad.   */
+  SPI_CPOL0_CPHA0,  /* SPI mode.              */
+  SPI_MSB_FIRST,    /* SPI bit order.         */
+  SPI_SCK_FOSC_128, /* SPI clock.             */
+  spiCallback       /* SPI 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();
+
+  /*
+   * Activates the serial driver 1 using the driver default configuration.
+   */
+  sdStart(&SD1, NULL);
+
+  /*
+   * Activate the spi driver 1 by using the defined configuration.
+   */
+  spiStart(&SPID1, &spiCfg);
+
+  chprintf(chp, "AVR SPI program testhal program example.\r\n");
+
+  while (TRUE) {
+    spiSelect(&SPID1);
+    spiStartSend(&SPID1, 4, txbuf);
+    spiUnselect(&SPID1);
+    chThdSleepMilliseconds(1000);
+  }
+
+  /*
+   * Stop the spi driver.
+   */
+  spiStop(&SPID1);
+}
+
-- 
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