1 files changed, 110 insertions, 110 deletions

diff --git a/src/fmc-test/src/main.c b/src/fmc-test/src/main.c
index ce04bee..38165b8 100644
--- a/src/fmc-test/src/main.c
+++ b/src/fmc-test/src/main.c
@@ -61,67 +61,67 @@ int main(void)
 //------------------------------------------------------------------------------
 {
   int i;
-		// initialize hal
+  // initialize hal
   HAL_Init();
 
-		// configure system clock
+  // configure system clock
   SystemClock_Config();
 
-		// initialize gpio
-	MX_GPIO_Init();
+  // initialize gpio
+  MX_GPIO_Init();
 
-		// Blink blue LED for six seconds to not upset the Novena at boot.
-	led_on(GPIO_PIN_LED_BLUE);
-	for (i = 0; i < 12; i++) {
-		HAL_Delay(500);
-		led_toggle(GPIO_PIN_LED_BLUE);
-	}
+  // Blink blue LED for six seconds to not upset the Novena at boot.
+  led_on(GPIO_PIN_LED_BLUE);
+  for (i = 0; i < 12; i++) {
+    HAL_Delay(500);
+    led_toggle(GPIO_PIN_LED_BLUE);
+  }
 
-		// initialize rng
-	MX_RNG_Init();
+  // initialize rng
+  MX_RNG_Init();
 
-		// prepare fmc interface
-	fmc_init();
+  // prepare fmc interface
+  fmc_init();
 
-		// turn on green led, turn off other leds
-	led_on(GPIO_PIN_LED_GREEN);
-	led_off(GPIO_PIN_LED_YELLOW);
-	led_off(GPIO_PIN_LED_RED);
-	led_off(GPIO_PIN_LED_BLUE);
+  // turn on green led, turn off other leds
+  led_on(GPIO_PIN_LED_GREEN);
+  led_off(GPIO_PIN_LED_YELLOW);
+  led_off(GPIO_PIN_LED_RED);
+  led_off(GPIO_PIN_LED_BLUE);
 
-		// vars
-	volatile int data_test_ok = 0, addr_test_ok = 0, successful_runs = 0;
+  // vars
+  volatile int data_test_ok = 0, addr_test_ok = 0, successful_runs = 0;
 
-		// main loop (test, until an error is detected)
+  // main loop (test, until an error is detected)
   while (1)
-  {
-			// test data bus
-		data_test_ok = test_fpga_data_bus();
-			// test address bus
-		addr_test_ok = test_fpga_address_bus();
+    {
+      // test data bus
+      data_test_ok = test_fpga_data_bus();
+      // test address bus
+      addr_test_ok = test_fpga_address_bus();
 
-			// check for errors (abort testing in case of error)
-		if (data_test_ok < TEST_NUM_ROUNDS) break;
+      // check for errors (abort testing in case of error)
+      if (data_test_ok < TEST_NUM_ROUNDS) break;
 
-			// check for errors (abort testing in case of error)
-		if (addr_test_ok < TEST_NUM_ROUNDS) break;
+      // check for errors (abort testing in case of error)
+      if (addr_test_ok < TEST_NUM_ROUNDS) break;
 
-			// toggle yellow led to indicate, that we are alive
-		led_toggle(GPIO_PIN_LED_YELLOW);
-		successful_runs++;
-  }
-
-		// error handler
-	while (1)
-	{
-			// turn on red led, turn off other leds
-		led_on(GPIO_PIN_LED_RED);
-		led_off(GPIO_PIN_LED_GREEN);
-		led_off(GPIO_PIN_LED_YELLOW);
-		led_off(GPIO_PIN_LED_BLUE);
-	}
+      // toggle yellow led to indicate, that we are alive
+      led_toggle(GPIO_PIN_LED_YELLOW);
+      successful_runs++;
+    }
 
-		// should never reach this line
+  // error handler
+  while (1)
+    {
+      // turn on red led, turn off other leds
+      led_on(GPIO_PIN_LED_RED);
+      led_off(GPIO_PIN_LED_GREEN);
+      led_off(GPIO_PIN_LED_YELLOW);
+      led_off(GPIO_PIN_LED_BLUE);
+    }
+
+  // should never reach this line
 }
 
 
@@ -129,37 +129,37 @@ int main(void)
 int test_fpga_data_bus(void)
 //------------------------------------------------------------------------------
 {
-	int c, ok;
-	uint32_t rnd, buf;
-	HAL_StatusTypeDef hal_result;
+  int c, ok;
+  uint32_t rnd, buf;
+  HAL_StatusTypeDef hal_result;
 
-		// run some rounds of data bus test
-	for (c=0; c<TEST_NUM_ROUNDS; c++)
+  // run some rounds of data bus test
+  for (c=0; c<TEST_NUM_ROUNDS; c++)
+    {
+      data_diff = 0;
+      // try to generate "random" number
+      hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
+      if (hal_result != HAL_OK) break;
+
+      // write value to fpga at address 0
+      ok = fmc_write_32(0, &rnd);
+      if (ok != 0) break;
+
+      // read value from fpga
+      ok = fmc_read_32(0, &buf);
+      if (ok != 0) break;
+
+      // compare (abort testing in case of error)
+      if (buf != rnd)
 	{
-		data_diff = 0;
-			// try to generate "random" number
-		hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
-		if (hal_result != HAL_OK) break;
-
-			// write value to fpga at address 0
-		ok = fmc_write_32(0, &rnd);
-		if (ok != 0) break;
-
-			// read value from fpga
-		ok = fmc_read_32(0, &buf);
-		if (ok != 0) break;
-
-			// compare (abort testing in case of error)
-		if (buf != rnd)
-		{
-			data_diff = buf;
-			data_diff ^= rnd;
-			break;
-		}
+	  data_diff = buf;
+	  data_diff ^= rnd;
+	  break;
 	}
+    }
 
-		// return number of successful tests
-	return c;
+  // return number of successful tests
+  return c;
 }
 
 
@@ -167,44 +167,44 @@ int test_fpga_data_bus(void)
 int test_fpga_address_bus(void)
 //------------------------------------------------------------------------------
 {
-	int c, ok;
+  int c, ok;
   uint32_t rnd, buf;
   HAL_StatusTypeDef hal_result;
 
-		// run some rounds of address bus test
+  // run some rounds of address bus test
   for (c=0; c<TEST_NUM_ROUNDS; c++)
-  {
-    addr_diff = 0;
-			// try to generate "random" number
-    hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
-    if (hal_result != HAL_OK) break;
-
-			// we only have 2^22 32-bit words
-    rnd &= 0x00FFFFFC;
-
-			// don't test zero addresses (fpga will store data, not address)
-    if (rnd == 0) continue;
-
-			// write dummy value to fpga at some non-zero address
-    ok = fmc_write_32(rnd, &buf);
-    if (ok != 0) break;
-
-			// read value from fpga
-    ok = fmc_read_32(0, &buf);
-    if (ok != 0) break;
-
-			// fpga receives address of 32-bit word, while we need
-			// byte address here to compare
-    buf <<= 2;
-
-			// compare (abort testing in case of error)
-    if (buf != rnd)
-		{
-			addr_diff = buf;
-			addr_diff ^= rnd;
-			break;
-		}
-  }
+    {
+      addr_diff = 0;
+      // try to generate "random" number
+      hal_result = HAL_RNG_GenerateRandomNumber(&rng_inst, &rnd);
+      if (hal_result != HAL_OK) break;
+
+      // we only have 2^22 32-bit words
+      rnd &= 0x00FFFFFC;
+
+      // don't test zero addresses (fpga will store data, not address)
+      if (rnd == 0) continue;
+
+      // write dummy value to fpga at some non-zero address
+      ok = fmc_write_32(rnd, &buf);
+      if (ok != 0) break;
+
+      // read value from fpga
+      ok = fmc_read_32(0, &buf);
+      if (ok != 0) break;
+
+      // fpga receives address of 32-bit word, while we need
+      // byte address here to compare
+      buf <<= 2;
+
+      // compare (abort testing in case of error)
+      if (buf != rnd)
+	{
+	  addr_diff = buf;
+	  addr_diff ^= rnd;
+	  break;
+	}
+    }
 
   return c;
 }
@@ -236,7 +236,7 @@ void SystemClock_Config(void)
   HAL_PWREx_ActivateOverDrive();
 
   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1
-                              |RCC_CLOCKTYPE_PCLK2;
+    |RCC_CLOCKTYPE_PCLK2;
   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
@@ -263,14 +263,14 @@ void MX_RNG_Init(void)
 void MX_GPIO_Init(void)
 //------------------------------------------------------------------------------
 {
-	GPIO_InitTypeDef GPIO_InitStruct;
+  GPIO_InitTypeDef GPIO_InitStruct;
 
   __GPIOJ_CLK_ENABLE();
 
   GPIO_InitStruct.Pin = GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
-	GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
+  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
   HAL_GPIO_Init(GPIOJ, &GPIO_InitStruct);
 }