From f194c02df057411c0b4b4bb86a629a931901e80f Mon Sep 17 00:00:00 2001
From: Fredrik Thulin <fredrik@thulin.net>
Date: Thu, 10 Sep 2015 10:43:44 +0200
Subject: emacs indentation

---
 src/fmc-test/src/main.c              | 220 ++++++++++++++++-----------------
 src/fmc-test/src/stm-fmc.c           | 232 +++++++++++++++++------------------
 src/fmc-test/src/stm32f4xx_hal_msp.c |  98 +++++++--------
 src/fmc-test/src/stm32f4xx_it.c      |  66 +++++-----
 4 files changed, 308 insertions(+), 308 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);
 }
 
diff --git a/src/fmc-test/src/stm-fmc.c b/src/fmc-test/src/stm-fmc.c
index 5459965..ca1a38d 100644
--- a/src/fmc-test/src/stm-fmc.c
+++ b/src/fmc-test/src/stm-fmc.c
@@ -19,11 +19,11 @@ SRAM_HandleTypeDef _fmc_fpga_inst;
 void fmc_init(void)
 //------------------------------------------------------------------------------
 {
-		// configure fmc pins
-	_fmc_init_gpio();
+  // configure fmc pins
+  _fmc_init_gpio();
 
-		// configure fmc registers
-	_fmc_init_params();
+  // configure fmc registers
+  _fmc_init_params();
 }
 
 
@@ -31,59 +31,59 @@ void fmc_init(void)
 int fmc_write_32(uint32_t addr, uint32_t *data)
 //------------------------------------------------------------------------------
 {
-		// calculate target fpga address
-	uint32_t ptr = FMC_FPGA_BASE_ADDR + (addr & FMC_FPGA_ADDR_MASK);
+  // calculate target fpga address
+  uint32_t ptr = FMC_FPGA_BASE_ADDR + (addr & FMC_FPGA_ADDR_MASK);
 
-		// write data to fpga
-	HAL_StatusTypeDef ok = HAL_SRAM_Write_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
+  // write data to fpga
+  HAL_StatusTypeDef ok = HAL_SRAM_Write_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
 
-		// check for error
-	if (ok != HAL_OK) return -1;
+  // check for error
+  if (ok != HAL_OK) return -1;
 
-		// wait for transaction to complete
-	int wait = _fmc_nwait_idle();
+  // wait for transaction to complete
+  int wait = _fmc_nwait_idle();
 
-		// check for timeout
-	if (wait != 0) return -1;
+  // check for timeout
+  if (wait != 0) return -1;
 
-		// everything went ok
-	return 0;
+  // everything went ok
+  return 0;
 }
 
 
 //------------------------------------------------------------------------------
 int fmc_read_32(uint32_t addr, uint32_t *data)
-	//------------------------------------------------------------------------------
+//------------------------------------------------------------------------------
 {
-      // calculate target fpga address
-    uint32_t ptr = FMC_FPGA_BASE_ADDR + (addr & FMC_FPGA_ADDR_MASK);
+  // calculate target fpga address
+  uint32_t ptr = FMC_FPGA_BASE_ADDR + (addr & FMC_FPGA_ADDR_MASK);
 
-      // perform dummy read transaction
-    HAL_StatusTypeDef ok = HAL_SRAM_Read_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
+  // perform dummy read transaction
+  HAL_StatusTypeDef ok = HAL_SRAM_Read_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
 
-			// check for error
-    if (ok != HAL_OK) return -1;
+  // check for error
+  if (ok != HAL_OK) return -1;
 
-      // wait for dummy transaction to complete
-    int wait = _fmc_nwait_idle();
+  // wait for dummy transaction to complete
+  int wait = _fmc_nwait_idle();
 
-			// check for timeout
-    if (wait != 0) return -1;
+  // check for timeout
+  if (wait != 0) return -1;
 
-      // read data from fpga
-    ok = HAL_SRAM_Read_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
+  // read data from fpga
+  ok = HAL_SRAM_Read_32b(&_fmc_fpga_inst, (uint32_t *)ptr, data, 1);
 
-			// check for error
-    if (ok != HAL_OK) return -1;
+  // check for error
+  if (ok != HAL_OK) return -1;
 
-      // wait for read transaction to complete
-    wait = _fmc_nwait_idle();
+  // wait for read transaction to complete
+  wait = _fmc_nwait_idle();
 
-			// check for timeout
-    if (wait != 0) return -1;
+  // check for timeout
+  if (wait != 0) return -1;
 
-      // everything went ok
-    return 0;
+  // everything went ok
+  return 0;
 }
 
 
@@ -93,20 +93,20 @@ int _fmc_nwait_idle()
 {
   int cnt; // counter
 
-    // poll NWAIT (number of iterations is limited)
+  // poll NWAIT (number of iterations is limited)
   for (cnt=0; cnt<FMC_FPGA_NWAIT_MAX_POLL_TICKS; cnt++)
-  {
+    {
       // read pin state
-    GPIO_PinState nwait = HAL_GPIO_ReadPin(FMC_GPIO_PORT_NWAIT, FMC_GPIO_PIN_NWAIT);
+      GPIO_PinState nwait = HAL_GPIO_ReadPin(FMC_GPIO_PORT_NWAIT, FMC_GPIO_PIN_NWAIT);
 
       // stop waiting if fpga is ready
-    if (nwait == FMC_NWAIT_IDLE) break;
-  }
+      if (nwait == FMC_NWAIT_IDLE) break;
+    }
 
-    // check for timeout
+  // check for timeout
   if (cnt >= FMC_FPGA_NWAIT_MAX_POLL_TICKS) return -1;
 
-    // ok
+  // ok
   return 0;
 }
 
@@ -114,93 +114,93 @@ int _fmc_nwait_idle()
 void _fmc_init_gpio(void)
 //------------------------------------------------------------------------------
 {
-		// enable gpio clocks
-	__GPIOA_CLK_ENABLE();
-	__GPIOB_CLK_ENABLE();
-	__GPIOD_CLK_ENABLE();
+  // enable gpio clocks
+  __GPIOA_CLK_ENABLE();
+  __GPIOB_CLK_ENABLE();
+  __GPIOD_CLK_ENABLE();
   __GPIOE_CLK_ENABLE();
-	__GPIOF_CLK_ENABLE();
-	__GPIOG_CLK_ENABLE();
-	__GPIOH_CLK_ENABLE();
+  __GPIOF_CLK_ENABLE();
+  __GPIOG_CLK_ENABLE();
+  __GPIOH_CLK_ENABLE();
   __GPIOI_CLK_ENABLE();
 
-		// enable fmc clock
-	__FMC_CLK_ENABLE();
+  // enable fmc clock
+  __FMC_CLK_ENABLE();
 
-		// structure
-	GPIO_InitTypeDef GPIO_InitStruct;
+  // structure
+  GPIO_InitTypeDef GPIO_InitStruct;
 
-		// Port B
-	GPIO_InitStruct.Pin = GPIO_PIN_7;
+  // Port B
+  GPIO_InitStruct.Pin = GPIO_PIN_7;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
-		// Port D
-	GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
-                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
-                          |GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4
-                          |GPIO_PIN_5|GPIO_PIN_7;
+  // Port D
+  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
+    |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15
+    |GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4
+    |GPIO_PIN_5|GPIO_PIN_7;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
 
-		/*
-		 * When FMC is working with fixed latency, NWAIT pin must not be
-		 * configured in AF mode, according to STM32F429 errata.
-		 */
+  /*
+   * When FMC is working with fixed latency, NWAIT pin must not be
+   * configured in AF mode, according to STM32F429 errata.
+   */
 
-		// Port D (GPIO!)
+  // Port D (GPIO!)
   GPIO_InitStruct.Pin = GPIO_PIN_6;
   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
   GPIO_InitStruct.Pull = GPIO_PULLUP;
   HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
 
-		// Port E
-	GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7
-                          |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
-                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
+  // Port E
+  GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7
+    |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
+    |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
 
-		// Port F
-	GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
-                          |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13
-                          |GPIO_PIN_14|GPIO_PIN_15;
+  // Port F
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+    |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13
+    |GPIO_PIN_14|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOF, &GPIO_InitStruct);
 
-		// Port G
-	GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
-                          |GPIO_PIN_4|GPIO_PIN_5;
+  // Port G
+  GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3
+    |GPIO_PIN_4|GPIO_PIN_5;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
 
-		// Port H
-	GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
-                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
+  // Port H
+  GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
+    |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
   GPIO_InitStruct.Alternate = GPIO_AF12_FMC;
   HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
 
-		// Port I
+  // Port I
   GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1
-                          |GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_6|GPIO_PIN_7;
+    |GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_6|GPIO_PIN_7;
   GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
@@ -213,87 +213,87 @@ void _fmc_init_gpio(void)
 void _fmc_init_params(void)
 //------------------------------------------------------------------------------
 {
-		/*
-		 * fill internal fields
-		 */
-	_fmc_fpga_inst.Instance = FMC_NORSRAM_DEVICE;
+  /*
+   * fill internal fields
+   */
+  _fmc_fpga_inst.Instance = FMC_NORSRAM_DEVICE;
   _fmc_fpga_inst.Extended = FMC_NORSRAM_EXTENDED_DEVICE;
 
 
-		/*
-		 * configure fmc interface settings
-		 */
+  /*
+   * configure fmc interface settings
+   */
 
-		// use the first bank and corresponding chip select
+  // use the first bank and corresponding chip select
   _fmc_fpga_inst.Init.NSBank = FMC_NORSRAM_BANK1;
 
-		// data and address buses are separate
+  // data and address buses are separate
   _fmc_fpga_inst.Init.DataAddressMux = FMC_DATA_ADDRESS_MUX_DISABLE;
 
-		// fpga mimics psram-type memory
+  // fpga mimics psram-type memory
   _fmc_fpga_inst.Init.MemoryType = FMC_MEMORY_TYPE_PSRAM;
 
-		// data bus is 32-bit
+  // data bus is 32-bit
   _fmc_fpga_inst.Init.MemoryDataWidth = FMC_NORSRAM_MEM_BUS_WIDTH_32;
 
-		// read transaction is sync
+  // read transaction is sync
   _fmc_fpga_inst.Init.BurstAccessMode = FMC_BURST_ACCESS_MODE_ENABLE;
 
-		// this _must_ be configured to high, according to errata, otherwise
-		// the processor may hang after trying to access fpga via fmc
+  // this _must_ be configured to high, according to errata, otherwise
+  // the processor may hang after trying to access fpga via fmc
   _fmc_fpga_inst.Init.WaitSignalPolarity = FMC_WAIT_SIGNAL_POLARITY_HIGH;
 
-		// wrap mode is not supported
+  // wrap mode is not supported
   _fmc_fpga_inst.Init.WrapMode = FMC_WRAP_MODE_DISABLE;
 
-		// don't care in fixed latency mode
+  // don't care in fixed latency mode
   _fmc_fpga_inst.Init.WaitSignalActive = FMC_WAIT_TIMING_DURING_WS;
 
-		// allow write access to fpga
+  // allow write access to fpga
   _fmc_fpga_inst.Init.WriteOperation = FMC_WRITE_OPERATION_ENABLE;
 
-		// use fixed latency mode (ignore wait signal)
+  // use fixed latency mode (ignore wait signal)
   _fmc_fpga_inst.Init.WaitSignal = FMC_WAIT_SIGNAL_DISABLE;
 
-		// write and read have same timing
+  // write and read have same timing
   _fmc_fpga_inst.Init.ExtendedMode = FMC_EXTENDED_MODE_DISABLE;
 
-		// don't care in sync mode
+  // don't care in sync mode
   _fmc_fpga_inst.Init.AsynchronousWait = FMC_ASYNCHRONOUS_WAIT_DISABLE;
 
-		// write transaction is sync
+  // write transaction is sync
   _fmc_fpga_inst.Init.WriteBurst = FMC_WRITE_BURST_ENABLE;
 
-		// keep clock always active
+  // keep clock always active
   _fmc_fpga_inst.Init.ContinuousClock = FMC_CONTINUOUS_CLOCK_SYNC_ASYNC;
 
-		/*
-		 * configure fmc timing parameters
-		 */
+  /*
+   * configure fmc timing parameters
+   */
   FMC_NORSRAM_TimingTypeDef fmc_timing;
 
-		// don't care in sync mode
+  // don't care in sync mode
   fmc_timing.AddressSetupTime = 15;
 
-		// don't care in sync mode
+  // don't care in sync mode
   fmc_timing.AddressHoldTime = 15;
 
-		// don't care in sync mode
+  // don't care in sync mode
   fmc_timing.DataSetupTime = 255;
 
-		// not needed, since nwait will be polled manually
+  // not needed, since nwait will be polled manually
   fmc_timing.BusTurnAroundDuration = 0;
 
-		// use smallest allowed divisor for best performance
+  // use smallest allowed divisor for best performance
   fmc_timing.CLKDivision = 2;
 
-		// stm is too slow to work with min allowed 2-cycle latency
+  // stm is too slow to work with min allowed 2-cycle latency
   fmc_timing.DataLatency = 3;
 
-		// don't care in sync mode
+  // don't care in sync mode
   fmc_timing.AccessMode = FMC_ACCESS_MODE_A;
 
-		// initialize fmc
+  // initialize fmc
   HAL_SRAM_Init(&_fmc_fpga_inst, &fmc_timing, NULL);
 }
 
diff --git a/src/fmc-test/src/stm32f4xx_hal_msp.c b/src/fmc-test/src/stm32f4xx_hal_msp.c
index fcb10ad..f932c45 100644
--- a/src/fmc-test/src/stm32f4xx_hal_msp.c
+++ b/src/fmc-test/src/stm32f4xx_hal_msp.c
@@ -1,36 +1,36 @@
 /**
-  ******************************************************************************
-  * File Name          : stm32f4xx_hal_msp.c
-  * Description        : This file provides code for the MSP Initialization
-  *                      and de-Initialization codes.
-  ******************************************************************************
-  *
-  * COPYRIGHT(c) 2015 STMicroelectronics
-  *
-  * 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 STMicroelectronics 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
-  *
-  ******************************************************************************
-  */
+******************************************************************************
+* File Name          : stm32f4xx_hal_msp.c
+* Description        : This file provides code for the MSP Initialization
+*                      and de-Initialization codes.
+******************************************************************************
+*
+* COPYRIGHT(c) 2015 STMicroelectronics
+*
+* 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 STMicroelectronics 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+*
+******************************************************************************
+*/
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f4xx_hal.h"
 
@@ -39,8 +39,8 @@
 /* USER CODE END 0 */
 
 /**
-  * Initializes the Global MSP.
-  */
+ * Initializes the Global MSP.
+ */
 void HAL_MspInit(void)
 {
   /* USER CODE BEGIN MspInit 0 */
@@ -50,7 +50,7 @@ void HAL_MspInit(void)
   HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
 
   /* System interrupt init*/
-/* SysTick_IRQn interrupt configuration */
+  /* SysTick_IRQn interrupt configuration */
   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
 
   /* USER CODE BEGIN MspInit 1 */
@@ -62,16 +62,16 @@ void HAL_RNG_MspInit(RNG_HandleTypeDef* hrng)
 {
 
   if(hrng->Instance==RNG)
-  {
-  /* USER CODE BEGIN RNG_MspInit 0 */
+    {
+      /* USER CODE BEGIN RNG_MspInit 0 */
 
-  /* USER CODE END RNG_MspInit 0 */
-    /* Peripheral clock enable */
-    __RNG_CLK_ENABLE();
-  /* USER CODE BEGIN RNG_MspInit 1 */
+      /* USER CODE END RNG_MspInit 0 */
+      /* Peripheral clock enable */
+      __RNG_CLK_ENABLE();
+      /* USER CODE BEGIN RNG_MspInit 1 */
 
-  /* USER CODE END RNG_MspInit 1 */
-  }
+      /* USER CODE END RNG_MspInit 1 */
+    }
 
 }
 
@@ -79,13 +79,13 @@ void HAL_RNG_MspDeInit(RNG_HandleTypeDef* hrng)
 {
 
   if(hrng->Instance==RNG)
-  {
-  /* USER CODE BEGIN RNG_MspDeInit 0 */
+    {
+      /* USER CODE BEGIN RNG_MspDeInit 0 */
 
-  /* USER CODE END RNG_MspDeInit 0 */
-    /* Peripheral clock disable */
-    __RNG_CLK_DISABLE();
-  }
+      /* USER CODE END RNG_MspDeInit 0 */
+      /* Peripheral clock disable */
+      __RNG_CLK_DISABLE();
+    }
   /* USER CODE BEGIN RNG_MspDeInit 1 */
 
   /* USER CODE END RNG_MspDeInit 1 */
diff --git a/src/fmc-test/src/stm32f4xx_it.c b/src/fmc-test/src/stm32f4xx_it.c
index 92c9a09..b2b64bf 100644
--- a/src/fmc-test/src/stm32f4xx_it.c
+++ b/src/fmc-test/src/stm32f4xx_it.c
@@ -1,35 +1,35 @@
 /**
-  ******************************************************************************
-  * @file    stm32f4xx_it.c
-  * @brief   Interrupt Service Routines.
-  ******************************************************************************
-  *
-  * COPYRIGHT(c) 2015 STMicroelectronics
-  *
-  * 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 STMicroelectronics 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
-  *
-  ******************************************************************************
-  */
+******************************************************************************
+* @file    stm32f4xx_it.c
+* @brief   Interrupt Service Routines.
+******************************************************************************
+*
+* COPYRIGHT(c) 2015 STMicroelectronics
+*
+* 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 STMicroelectronics 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 AND CONTRIBUTORS "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 OR CONTRIBUTORS 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.
+*
+******************************************************************************
+*/
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f4xx_hal.h"
 #include "stm32f4xx.h"
@@ -46,8 +46,8 @@
 /******************************************************************************/
 
 /**
-* @brief This function handles System tick timer.
-*/
+ * @brief This function handles System tick timer.
+ */
 void SysTick_Handler(void)
 {
   /* USER CODE BEGIN SysTick_IRQn 0 */
-- 
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