fix clocking

fix clock setup to use internal oscillator
apollo-lhc · May 7, 2019 · 1fb88e8 · 1fb88e8
1 parent b87d74d
commit 1fb88e8
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Showing 3 changed files with 9 additions and 12 deletions.
diff --git a/projects/project1/project0.c b/projects/project1/project0.c
@@ -279,10 +279,9 @@ void SystemInit()
   //
   // Run from the PLL at 120 MHz.
   //
-  g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
-      SYSCTL_OSC_MAIN |
-      SYSCTL_USE_PLL |
-      SYSCTL_CFG_VCO_480), 120000000);
+  g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_OSC_INT |
+                                       SYSCTL_USE_PLL |
+                                       SYSCTL_CFG_VCO_480), 120000000);
   UartInit(g_ui32SysClock);
   return;
 }

diff --git a/projects/project2/project2.c b/projects/project2/project2.c
@@ -379,10 +379,9 @@ void SystemInit()
   //
   // Run from the PLL at 120 MHz.
   //
-  g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
-      SYSCTL_OSC_MAIN |
-      SYSCTL_USE_PLL |
-      SYSCTL_CFG_VCO_480), 120000000);
+  g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_OSC_INT |
+                                       SYSCTL_USE_PLL |
+                                       SYSCTL_CFG_VCO_480), 120000000);
   UartInit(g_ui32SysClock);
 
   // SYSTICK timer

diff --git a/projects/uart_echo/uart_echo.c b/projects/uart_echo/uart_echo.c
@@ -147,10 +147,9 @@ main(void)
   //
   // Set the clocking to run directly from the crystal at 120MHz.
   //
-  g_ui32SysClock = MAP_SysCtlClockFreqSet((SYSCTL_XTAL_25MHZ |
-					   SYSCTL_OSC_MAIN |
-					   SYSCTL_USE_PLL |
-					   SYSCTL_CFG_VCO_480), 120000000);
+	g_ui32SysClock = SysCtlClockFreqSet((SYSCTL_OSC_INT |
+                                		 SYSCTL_USE_PLL |
+			                             SYSCTL_CFG_VCO_480), 120000000);
   //
   // Enable the GPIO port that is used for the on-board LED.
   //