stmhal - add led support. Add netduino_plus_2 support

Tweaked a couple of the USB files to compile if neither dev nor host was defined.
Tested on netduiono plus 2 and stm32f4discovery boards

1 files changed, 3 insertions, 3 deletions

diff --git a/stmhal/system_stm32f4xx.c b/stmhal/system_stm32f4xx.c
index 4e5490db5..f5a97c0ef 100644
--- a/stmhal/system_stm32f4xx.c
+++ b/stmhal/system_stm32f4xx.c
@@ -267,8 +267,8 @@ void SystemCoreClockUpdate(void)
   *            AHB Prescaler                  = 1

   *            APB1 Prescaler                 = 4

   *            APB2 Prescaler                 = 2

-  *            HSE Frequency(Hz)              = 8000000

-  *            PLL_M                          = 8

+  *            HSE Frequency(Hz)              = HSE_VALUE

+  *            PLL_M                          = HSE_VALUE/1000000

   *            PLL_N                          = 336

   *            PLL_P                          = 2

   *            PLL_Q                          = 7

@@ -296,7 +296,7 @@ void SystemClock_Config(void)
   RCC_OscInitStruct.HSEState = RCC_HSE_ON;

   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

-  RCC_OscInitStruct.PLL.PLLM = 8;

+  RCC_OscInitStruct.PLL.PLLM = HSE_VALUE/1000000;

   RCC_OscInitStruct.PLL.PLLN = 336;

   RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;

   RCC_OscInitStruct.PLL.PLLQ = 7;