whitespace cleanups

1 files changed, 29 insertions, 27 deletions

diff --git a/libmaple/fsmc.c b/libmaple/fsmc.c
index 502b7b4..301a90d 100644
--- a/libmaple/fsmc.c
+++ b/libmaple/fsmc.c
@@ -1,5 +1,4 @@
-
-/* *****************************************************************************
+/******************************************************************************
  * The MIT License
  *
  * Copyright (c) 2010 Bryan Newbold.
@@ -21,26 +20,27 @@
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  * THE SOFTWARE.
- * ****************************************************************************/
+ *****************************************************************************/
 
 #include "libmaple.h"
 #include "rcc.h"
 #include "gpio.h"
 #include "fsmc.h"
 
-// These values determined for a particular SRAM chip by following the
-// calculations in the ST FSMC application note.
+/* These values determined for a particular SRAM chip by following the
+ * calculations in the ST FSMC application note. */
 #define FSMC_ADDSET 0x0
 #define FSMC_DATAST 0x3
 
-// Sets up the FSMC peripheral to use the SRAM chip on the maple native as an
-// external segment of system memory space.
-// This implementation is for the IS62WV51216BLL 8mbit chip (55ns timing)
+/* Sets up the FSMC peripheral to use the SRAM chip on the maple
+ * native as an external segment of system memory space.  This
+ * implementation is for the IS62WV51216BLL 8mbit chip (55ns
+ * timing) */
 void fsmc_native_sram_init(void) {
     FSMC_Bank *bank;
 
-    // First we setup all the GPIO pins. 
-    // Data lines...
+    /* First we setup all the GPIO pins. */
+    /* Data lines... */
     gpio_set_mode(GPIOD_BASE,  0, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOD_BASE,  1, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOD_BASE,  8, MODE_AF_OUTPUT_PP);
@@ -57,7 +57,8 @@ void fsmc_native_sram_init(void) {
     gpio_set_mode(GPIOE_BASE, 13, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOE_BASE, 14, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOE_BASE, 15, MODE_AF_OUTPUT_PP);
-    // Address lines...
+
+    /* Address lines... */
     gpio_set_mode(GPIOD_BASE, 11, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOD_BASE, 12, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOD_BASE, 13, MODE_AF_OUTPUT_PP);
@@ -77,7 +78,8 @@ void fsmc_native_sram_init(void) {
     gpio_set_mode(GPIOG_BASE,  3, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOG_BASE,  4, MODE_AF_OUTPUT_PP);
     gpio_set_mode(GPIOG_BASE,  5, MODE_AF_OUTPUT_PP);
-    // And control lines...
+
+    /* And control lines... */
     gpio_set_mode(GPIOD_BASE,  4, MODE_AF_OUTPUT_PP);   // NOE
     gpio_set_mode(GPIOD_BASE,  5, MODE_AF_OUTPUT_PP);   // NWE
 
@@ -88,41 +90,41 @@ void fsmc_native_sram_init(void) {
 
     gpio_set_mode(GPIOE_BASE,  0, MODE_AF_OUTPUT_PP);   // NBL0
     gpio_set_mode(GPIOE_BASE,  1, MODE_AF_OUTPUT_PP);   // NBL1
-    
-    // Next enable the clock
+
+    /* Next enable the clock */
     rcc_clk_enable(RCC_FSMC);
 
-    // Then we configure channel 1 the FSMC SRAM peripheral
-    // (all SRAM channels are in "Bank 1" of the FSMC)
+    /* Then we configure channel 1 the FSMC SRAM peripheral (all SRAM
+     * channels are in "Bank 1" of the FSMC) */
     bank = (FSMC_Bank*)(FSMC1_BASE);
-    
-    // Everything else is cleared (BCR1)
+
+    /* Everything else is cleared (BCR1) */
     bank->BCR = 0x0000;
 
-    // Memory type is SRAM
+    /* Memory type is SRAM */
     bank->BCR &= ~(FSMC_BCR_MTYP);  // '00'
 
-    // Databus width is 16bits
-    bank->BCR &= ~(FSMC_BCR_MWID);  
+    /* Databus width is 16bits */
+    bank->BCR &= ~(FSMC_BCR_MWID);
     bank->BCR |= 0x1 << 4;          // '01'
 
-    // Memory is nonmultiplexed
+    /* Memory is nonmultiplexed */
     bank->BCR &= ~(FSMC_BCR_MUXEN); // '0'
 
-    // Need write enable to write to the chip
+    /* Need write enable to write to the chip */
     bank->BCR |= FSMC_BCR_WREN;
 
-    // Set ADDSET 
+    /* Set ADDSET */
     bank->BTR &= ~(FSMC_BTR_ADDSET);
     bank->BTR |= (FSMC_BTR_ADDSET | FSMC_ADDSET);
 
-    // Set DATAST
+    /* Set DATAST */
     bank->BTR &= ~(FSMC_BTR_DATAST);
     bank->BTR |= (FSMC_BTR_DATAST | (FSMC_DATAST << 8));
 
-    // Enable channel 1
+    /* Enable channel 1 */
     bank->BCR |= FSMC_BCR_MBKEN;    // '1'
 
-    // FSMC_BWTR3 not used for this simple configuration.
+    /* (FSMC_BWTR3 not used for this simple configuration.) */
 }