From 7772ea4579a45bcf63ebd5e68be66ba1a9c72dfa Mon Sep 17 00:00:00 2001
From: Clyne Sullivan <tullivan99@gmail.com>
Date: Fri, 11 Nov 2016 15:02:17 -0500
Subject: chibios!

---
 .../STM32/RT-STM32F407-DISCOVERY-G++/main.cpp      | 192 +++++++++++++++++++++
 1 file changed, 192 insertions(+)
 create mode 100644 ChibiOS_16.1.5/demos/STM32/RT-STM32F407-DISCOVERY-G++/main.cpp

(limited to 'ChibiOS_16.1.5/demos/STM32/RT-STM32F407-DISCOVERY-G++/main.cpp')

diff --git a/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-DISCOVERY-G++/main.cpp b/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-DISCOVERY-G++/main.cpp
new file mode 100644
index 0000000..e7ad071
--- /dev/null
+++ b/ChibiOS_16.1.5/demos/STM32/RT-STM32F407-DISCOVERY-G++/main.cpp
@@ -0,0 +1,192 @@
+/*
+    ChibiOS - Copyright (C) 2006..2015 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.hpp"
+#include "hal.h"
+#include "test.h"
+
+using namespace chibios_rt;
+
+/*
+ * LED blink sequences.
+ * NOTE: Sequences must always be terminated by a GOTO instruction.
+ * NOTE: The sequencer language could be easily improved but this is outside
+ *       the scope of this demo.
+ */
+#define SLEEP           0
+#define GOTO            1
+#define STOP            2
+#define BITCLEAR        3
+#define BITSET          4
+
+typedef struct {
+  uint8_t       action;
+  uint32_t      value;
+} seqop_t;
+
+// Flashing sequence for LED3.
+static const seqop_t LED3_sequence[] =
+{
+  {BITSET, PAL_PORT_BIT(GPIOD_LED3)},
+  {SLEEP,    800},
+  {BITCLEAR,   PAL_PORT_BIT(GPIOD_LED3)},
+  {SLEEP,    200},
+  {GOTO,     0}
+};
+
+// Flashing sequence for LED4.
+static const seqop_t LED4_sequence[] =
+{
+  {BITSET, PAL_PORT_BIT(GPIOD_LED4)},
+  {SLEEP,    600},
+  {BITCLEAR,   PAL_PORT_BIT(GPIOD_LED4)},
+  {SLEEP,    400},
+  {GOTO,     0}
+};
+
+// Flashing sequence for LED5.
+static const seqop_t LED5_sequence[] =
+{
+  {BITSET, PAL_PORT_BIT(GPIOD_LED5)},
+  {SLEEP,    400},
+  {BITCLEAR,   PAL_PORT_BIT(GPIOD_LED5)},
+  {SLEEP,    600},
+  {GOTO,     0}
+};
+
+// Flashing sequence for LED6.
+static const seqop_t LED6_sequence[] =
+{
+  {BITSET, PAL_PORT_BIT(GPIOD_LED6)},
+  {SLEEP,    200},
+  {BITCLEAR,   PAL_PORT_BIT(GPIOD_LED6)},
+  {SLEEP,    800},
+  {GOTO,     0}
+};
+
+/*
+ * Sequencer thread class. It can drive LEDs or other output pins.
+ * Any sequencer is just an instance of this class, all the details are
+ * totally encapsulated and hidden to the application level.
+ */
+class SequencerThread : public BaseStaticThread<128> {
+private:
+  const seqop_t *base, *curr;                   // Thread local variables.
+
+protected:
+  virtual void main(void) {
+
+    setName("sequencer");
+
+    while (true) {
+      switch(curr->action) {
+      case SLEEP:
+        sleep(MS2ST(curr->value));
+        break;
+      case GOTO:
+        curr = &base[curr->value];
+        continue;
+      case STOP:
+        return;
+      case BITCLEAR:
+        palClearPort(GPIOD, curr->value);
+        break;
+      case BITSET:
+        palSetPort(GPIOD, curr->value);
+        break;
+      }
+      curr++;
+    }
+  }
+
+public:
+  SequencerThread(const seqop_t *sequence) : BaseStaticThread<128>() {
+
+    base = curr = sequence;
+  }
+};
+
+/*
+ * Tester thread class. This thread executes the test suite.
+ */
+class TesterThread : public BaseStaticThread<256> {
+
+protected:
+  virtual void main(void) {
+
+    setName("tester");
+
+    TestThread(&SD2);
+    exit(test_global_fail);
+  }
+
+public:
+  TesterThread(void) : BaseStaticThread<256>() {
+  }
+};
+
+/* Static threads instances.*/
+static TesterThread tester;
+static SequencerThread blinker1(LED3_sequence);
+static SequencerThread blinker2(LED4_sequence);
+static SequencerThread blinker3(LED5_sequence);
+static SequencerThread blinker4(LED6_sequence);
+
+/*
+ * 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();
+  System::init();
+
+  /*
+   * Activates the serial driver 2 using the driver default configuration.
+   * PA2(TX) and PA3(RX) are routed to USART2.
+   */
+  sdStart(&SD2, NULL);
+  palSetPadMode(GPIOA, 2, PAL_MODE_ALTERNATE(7));
+  palSetPadMode(GPIOA, 3, PAL_MODE_ALTERNATE(7));
+
+  /*
+   * Starts several instances of the SequencerThread class, each one operating
+   * on a different LED.
+   */
+  blinker1.start(NORMALPRIO + 10);
+  blinker2.start(NORMALPRIO + 10);
+  blinker3.start(NORMALPRIO + 10);
+  blinker4.start(NORMALPRIO + 10);
+
+  /*
+   * Serves timer events.
+   */
+  while (true) {
+    if (palReadPad(GPIOA, GPIOA_BUTTON)) {
+      tester.start(NORMALPRIO);
+      tester.wait();
+    };
+    BaseThread::sleep(MS2ST(500));
+  }
+
+  return 0;
+}
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