See v0.98 changelog

[hackover2013-badge-firmware.git] / tools / validation / adctest / main.c

diff --git a/tools/validation/adctest/main.c b/tools/validation/adctest/main.c
new file mode 100644 (file)
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+++ b/tools/validation/adctest/main.c
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+/**************************************************************************/
+/*! 
+    @file     main.c
+    @author   K. Townsend (microBuilder.eu)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2011, microBuilder SARL
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "projectconfig.h"
+#include "sysinit.h"
+
+#include "core/gpio/gpio.h"
+#include "core/adc/adc.h"
+#include "core/systick/systick.h"
+
+// ADC buffer
+uint16_t buffer[1024][2];
+
+/**************************************************************************/
+/*! 
+    Main program entry point.  After reset, normal code execution will
+    begin here.
+*/
+/**************************************************************************/
+int main(void)
+{
+  // Configure cpu and mandatory peripherals
+  systemInit();
+
+  // Initialize the ADC
+  adcInit();
+
+  uint32_t currentTick, lastTick, i;
+  i = currentTick = lastTick = 0;
+
+  // Clear the ADC buffer
+  memset(&buffer, 0, sizeof(buffer));
+
+  // Turn on LED during ADC read
+  gpioSetValue(CFG_LED_PORT, CFG_LED_PIN, CFG_LED_ON);
+
+  // Sample ADC once per millisecond and store it in the buffer
+  while (i < 1024)
+  {
+    currentTick = systickGetTicks();
+    if (currentTick != lastTick)
+    {
+      lastTick = currentTick;
+      buffer[i][0] = (uint16_t)(currentTick & 0xFFFF);
+      buffer[i][1] = adcRead(0);    // ADC Results
+      i++;
+    }
+  }
+
+  // Turn LED off
+  gpioSetValue(CFG_LED_PORT, CFG_LED_PIN, CFG_LED_OFF);
+
+  // Brief delay before spitting results out via USB CDC
+  systickDelay(3000);
+
+  // Print results out in CSV format
+  i = 0;
+  while (i < 1024)
+  {
+    printf("%d, %d %s", buffer[i][0], buffer[i][1], CFG_PRINTF_NEWLINE);
+    i++;
+  }
+
+  // Wait forever
+  while(1)
+  {
+  }
+
+  return 0;
+}