1 files changed, 118 insertions, 0 deletions
diff --git a/testhal/LPC17xx/DMA_MEM/main.c b/testhal/LPC17xx/DMA_MEM/main.c
new file mode 100644
index 000000000..89e86d522
--- /dev/null
+++ b/testhal/LPC17xx/DMA_MEM/main.c
@@ -0,0 +1,118 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 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"
+
+#define MEM_SIZE    50
+
+BaseSequentialStream  * chp = (BaseSequentialStream  *)&SD1;
+
+uint32_t mem_src[MEM_SIZE];
+uint32_t mem_dst[MEM_SIZE];
+
+static void dma_mem_callback(void * dummy, uint32_t flags) {
+  (void)dummy;
+  (void)flags;
+}
+
+/*
+ * Red LEDs blinker thread, times are in milliseconds.
+ */
+static WORKING_AREA(waThread1, 128);
+static msg_t Thread1(void *arg) {
+
+  (void)arg;
+  chRegSetThreadName("blinker");
+  while (TRUE) {
+    palTogglePad(GPIO0, GPIO0_LED2_RED);
+    chThdSleepMilliseconds(500);
+  }
+}
+
+/*
+ * Application entry point.
+ */
+int main(void) {
+  uint32_t i;
+  /*
+   * 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();
+
+  /*
+   * Creates the blinker thread.
+   */
+  chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
+
+  /*
+   * Activates the SD driver 1.
+   */
+  sdStart(&SD1, NULL);          /* Default is 38400-8-N-1.*/
+
+  chprintf(chp, "Data before dma transfer.\r\n");
+  chprintf(chp, "source \t destination\r\n");
+  for (i = 0; i < MEM_SIZE; i++) {
+     mem_src[i] = i;
+     mem_dst[i] = 0;
+     chprintf(chp, "%x \t %x\r\n", mem_src[i], mem_dst[i]);
+  }
+
+  dmaChannelAllocate(DMA_CHANNEL0, &dma_mem_callback, NULL);
+  dmaChannelSrcAddr(DMA_CHANNEL0, &mem_src[0]);
+  dmaChannelDstAddr(DMA_CHANNEL0, &mem_dst[0]);
+  dmaChannelControl(DMA_CHANNEL0, DMA_CTRL_TRANSFER_SIZE(MEM_SIZE)  |
+                                  DMA_CTRL_SRC_BSIZE_16             |
+                                  DMA_CTRL_DST_BSIZE_16             |
+                                  DMA_CTRL_SRC_WIDTH_WORD           |
+                                  DMA_CTRL_DST_WIDTH_WORD           |
+                                  DMA_CTRL_SRC_INC                  |
+                                  DMA_CTRL_DST_INC                  |
+                                  DMA_CTRL_INT);
+
+  dmaChannelConfig(DMA_CHANNEL0,  DMA_CFG_CH_ENABLE   |
+                                  DMA_CFG_TTYPE_M2M   |
+                                  DMA_CFG_IE          |
+                                  DMA_CFG_ITC);
+
+  chThdSleepMilliseconds(5000);
+  chprintf(chp, "Data after dma transfer.\r\n");
+  chprintf(chp, "source \t destination\r\n");
+  for (i = 0; i < MEM_SIZE; i++) {
+    chprintf(chp, "%x \t %x\r\n", mem_src[i], mem_dst[i]);
+  }
+
+  for (i = 0; i < MEM_SIZE; i++)
+    if (mem_src[i] != mem_dst[i])
+      break;
+
+  if (i == MEM_SIZE)
+    chprintf(chp, "Data transfer ok.\r\n");
+  else
+    chprintf(chp, "Error.\r\n");
+
+  while (TRUE) {
+
+  chThdSleepMilliseconds(1000);
+
+  }
+}