From 9b222d8552c5a3a5272fd22e9bdaabfa5ece5678 Mon Sep 17 00:00:00 2001
From: edolomb <none@example.com>
Date: Wed, 17 Jan 2018 11:05:15 +0000
Subject: Simple echo from terminal demo

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11298 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 testhal/ATSAMA5D2/SERIAL/main.c | 117 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100755 testhal/ATSAMA5D2/SERIAL/main.c

(limited to 'testhal/ATSAMA5D2/SERIAL/main.c')

diff --git a/testhal/ATSAMA5D2/SERIAL/main.c b/testhal/ATSAMA5D2/SERIAL/main.c
new file mode 100755
index 000000000..a2caa2ffa
--- /dev/null
+++ b/testhal/ATSAMA5D2/SERIAL/main.c
@@ -0,0 +1,117 @@
+/*
+    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"
+#include "chprintf.h"
+#include "string.h"
+
+#define BUFFER_SIZE     20
+
+static char lineBuffer[BUFFER_SIZE];
+
+static void getInputString(BaseSequentialStream *chp, char *line, size_t size) {
+  char *p = line;
+  uint8_t bytes;
+  do {
+    char c;
+    bytes = chnRead(chp, (uint8_t *)&c, 1);
+
+    if(bytes == 0) {
+      *p = 0;
+      break;
+    }
+    if ((c == '\r') || (c == '\n')) {
+      *p = 0;
+      break;
+    }
+    if ((c >= 0x20) && (c <= 0x7E)) {
+      if (p < (line + size - 1)) {
+        *p++ = (char)c;
+      }
+    }
+  } while(TRUE);
+}
+
+/*
+ * LED blinker thread, times are in milliseconds.
+ */
+static THD_WORKING_AREA(waThread1, 512);
+static THD_FUNCTION(Thread1, arg) {
+
+  (void)arg;
+  chRegSetThreadName("blinker");
+
+  while (true) {
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(80);
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(120);
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(120);
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(120);
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(160);
+    palToggleLine(LINE_LED_BLUE);
+    chThdSleepMilliseconds(600);
+  }
+}
+
+static const SerialConfig sdcfg = {
+  115200,
+  0,
+  UART_MR_PAR_NO
+};
+
+/*
+ * 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, &sdcfg);
+
+  /* Redirecting  UART1 RX on PD2 and UART1 TX on PD3. */
+  palSetGroupMode(PIOD, PAL_PORT_BIT(2) | PAL_PORT_BIT(3), 0U,
+                  PAL_SAMA_FUNC_PERIPH_A | PAL_MODE_SECURE);
+  /*
+   * Creates the blinker thread.
+   */
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /*
+   * Normal main() thread activity.
+   */
+  while (true) {
+    getInputString((BaseSequentialStream *)&SD1, lineBuffer, BUFFER_SIZE);
+    chprintf((BaseSequentialStream *)&SD1, lineBuffer);
+    chprintf((BaseSequentialStream *)&SD1, "\n\r");
+    chThdSleepMilliseconds(500);
+  }
+}
-- 
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