Add readme and cleanup formatting cleanup

[~andy/csm213a-hw] / hw2 / main_emit.c

diff --git a/hw2/main_emit.c b/hw2/main_emit.c
index 6588e1fc35079709d72bc6d44b69555bd3759d94..bb751a65cd04614a0753514239dbdb3af1bdb79f 100644 (file)
--- a/hw2/main_emit.c
+++ b/hw2/main_emit.c
@@ -9,13 +9,13 @@
  * Signal generation *
  *********************/
 
-// for 50 Mhz clock  50/1000 = 1/20  (PLL/2)
+// for 50 MHz clock  50/1000 = 1/20  (PLL/2)
 
-// for 48 Mhz clock  48/1000 = 6/125 (FLL)
-// for 24 Mhz clock, 24/1000 = 3/125
-// for 12 Mhz clock, 12/1000 = 3/250
-// for  6 Mhz clock,  6/1000 = 3/500
-// for  3 Mhz clock,  3/1000 = 3/1000
+// for 48 MHz clock  48/1000 = 6/125 (FLL)
+// for 24 MHz clock, 24/1000 = 3/125
+// for 12 MHz clock, 12/1000 = 3/250
+// for  6 MHz clock,  6/1000 = 3/500
+// for  3 MHz clock,  3/1000 = 3/1000
 
 #define EMIT_PS 1
 
@@ -105,7 +105,7 @@ void emit_init(int alt, PinName pin, PinMode mode)
        TPM1->MOD              = TPM_MOD_MOD(0xFFFF);
 
        TPM1->CONTROLS[0].CnSC = TPM_CnSC_CHF_MASK    // clear flag
-                              | TPM_CnSC_MSB_MASK    // set output highon match,
+                              | TPM_CnSC_MSB_MASK    // set output high on match,
                               | TPM_CnSC_ELSB_MASK   // cleared on overflow
                               | TPM_CnSC_ELSA_MASK;  // ..