1 files changed, 79 insertions, 0 deletions
diff --git a/testhal/STM32/STM32F4xx/I2S/main.c b/testhal/STM32/STM32F4xx/I2S/main.c
new file mode 100644
index 000000000..b96f22fb4
--- /dev/null
+++ b/testhal/STM32/STM32F4xx/I2S/main.c
@@ -0,0 +1,79 @@
+/*
+    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"
+
+#define I2S_BUF_SIZE            256
+
+static uint16_t i2s_rx_buf[I2S_BUF_SIZE];
+
+static void i2scallback(I2SDriver *i2sp, size_t offset, size_t n);
+
+static const I2SConfig i2scfg = {
+  NULL,
+  i2s_rx_buf,
+  I2S_BUF_SIZE,
+  i2scallback,
+  0,
+  16
+};
+
+static void i2scallback(I2SDriver *i2sp, size_t offset, size_t n) {
+
+  (void)i2sp;
+  (void)offset;
+  (void)n;
+}
+
+/*
+ * 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();
+
+  /*
+   * Starting and configuring the I2S driver 2.
+   */
+  i2sStart(&I2SD2, &i2scfg);
+  palSetPadMode(GPIOB, 10, PAL_MODE_ALTERNATE(5));
+  palSetPadMode(GPIOC, 3, PAL_MODE_ALTERNATE(5));
+
+  /*
+   * Starting continuous I2S transfer.
+   */
+  i2sStartExchange(&I2SD2);
+
+  /*
+   * Normal main() thread activity, if the button is pressed then the I2s
+   * transfer is stopped.
+   */
+  while (TRUE) {
+    if (palReadPad(GPIOA, GPIOA_BUTTON))
+      i2sStopExchange(&I2SD2);
+    chThdSleepMilliseconds(500);
+  }
+  return 0;
+}