mbed official
mbed library sources
Dependents: Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more
Superseded
This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.
Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.
If you are looking for a stable and tested release, please import one of the official mbed library releases:
Import librarymbed
The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
Last commit 20 Feb 2019 by 
mbed official
Diff: targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_UBLOX_C029/system_stm32f4xx.c
- Revision:
- 586:dfaf40375987
- Parent:
- 520:7182721120da
--- a/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_UBLOX_C029/system_stm32f4xx.c Wed Jul 08 14:45:08 2015 +0100 +++ b/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_UBLOX_C029/system_stm32f4xx.c Wed Jul 08 15:00:09 2015 +0100 @@ -138,7 +138,7 @@ */ /* Select the clock sources (other than HSI) to start with (0=OFF, 1=ON) */ -#define USE_PLL_HSE_EXTC (1) /* Use external clock */ +#define USE_PLL_HSE_EXTC (0) /* Use external clock */ #define USE_PLL_HSE_XTAL (1) /* Use external xtal */ /** @@ -612,8 +612,11 @@ RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; //RCC_OscInitStruct.PLL.PLLM = 8; // VCO input clock = 1 MHz (8 MHz / 8) //RCC_OscInitStruct.PLL.PLLN = 400; // VCO output clock = 400 MHz (1 MHz * 400) - RCC_OscInitStruct.PLL.PLLM = 4; // VCO input clock = 2 MHz (8 MHz / 4) - RCC_OscInitStruct.PLL.PLLN = 200; // VCO output clock = 400 MHz (2 MHz * 200) + //RCC_OscInitStruct.PLL.PLLM = 4; // VCO input clock = 2 MHz (8 MHz / 4) + //RCC_OscInitStruct.PLL.PLLN = 200; // VCO output clock = 400 MHz (2 MHz * 200) + #define VCO_IN_FREQ 2000000 + RCC_OscInitStruct.PLL.PLLM = (HSE_VALUE / VCO_IN_FREQ); // VCO input clock = 2 MHz = (24 MHz / 12) + RCC_OscInitStruct.PLL.PLLN = (400000000 / VCO_IN_FREQ); // VCO output clock = 400 MHz = (2 MHz * 200) RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4; // PLLCLK = 100 MHz (400 MHz / 4) RCC_OscInitStruct.PLL.PLLQ = 9; // USB clock = 44.44 MHz (400 MHz / 9) --> Not good for USB if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
