Added define in target.h for custom PLL_M (mhz for clock input)
This commit is contained in:
parent
01968ff207
commit
8667500d89
|
@ -26,8 +26,7 @@
|
|||
#define USBD_SERIALNUMBER_STRING "0x8020000"
|
||||
#endif
|
||||
|
||||
#define PLL_M 16
|
||||
#define PLL_N 336
|
||||
#define TARGET_XTAL_MHZ 16
|
||||
|
||||
#define LED0 PC14
|
||||
#define LED1 PC13
|
||||
|
|
|
@ -316,6 +316,7 @@
|
|||
|
||||
#include "stm32f4xx.h"
|
||||
#include "system_stm32f4xx.h"
|
||||
#include "platform.h"
|
||||
|
||||
uint32_t hse_value = HSE_VALUE;
|
||||
|
||||
|
@ -354,19 +355,19 @@ uint32_t hse_value = HSE_VALUE;
|
|||
/******************************************************************************/
|
||||
|
||||
/************************* PLL Parameters *************************************/
|
||||
#if defined(TARGET_XTAL_MHZ)
|
||||
#define PLL_M TARGET_XTAL_MHZ
|
||||
#else
|
||||
#if defined(STM32F40_41xxx) || defined(STM32F427_437xx) || defined(STM32F429_439xx) || defined(STM32F401xx) || defined(STM32F469_479xx)
|
||||
/* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N */
|
||||
#if defined(COLIBRI)
|
||||
#define PLL_M 16
|
||||
#else
|
||||
#define PLL_M 8
|
||||
#endif
|
||||
#elif defined (STM32F446xx)
|
||||
#define PLL_M 8
|
||||
#elif defined (STM32F410xx) || defined (STM32F411xE)
|
||||
#define PLL_M 8
|
||||
#else
|
||||
#endif /* STM32F40_41xxx || STM32F427_437xx || STM32F429_439xx || STM32F401xx || STM32F469_479xx */
|
||||
#endif
|
||||
|
||||
#if defined(STM32F446xx)
|
||||
/* PLL division factor for I2S, SAI, SYSTEM and SPDIF: Clock = PLL_VCO / PLLR */
|
||||
|
@ -422,22 +423,8 @@ uint32_t hse_value = HSE_VALUE;
|
|||
/** @addtogroup STM32F4xx_System_Private_Variables
|
||||
* @{
|
||||
*/
|
||||
|
||||
#if defined(STM32F40_41xxx)
|
||||
uint32_t SystemCoreClock = 168000000;
|
||||
#endif /* STM32F40_41xxx */
|
||||
|
||||
#if defined(STM32F427_437xx) || defined(STM32F429_439xx) || defined(STM32F446xx) || defined(STM32F469_479xx)
|
||||
uint32_t SystemCoreClock = 180000000;
|
||||
#endif /* STM32F427_437x || STM32F429_439xx || STM32F446xx || STM32F469_479xx */
|
||||
|
||||
#if defined(STM32F401xx)
|
||||
uint32_t SystemCoreClock = 84000000;
|
||||
#endif /* STM32F401xx */
|
||||
|
||||
#if defined(STM32F410xx) || defined(STM32F411xE)
|
||||
uint32_t SystemCoreClock = 96000000;
|
||||
#endif /* STM32F410xx || STM32F401xE */
|
||||
/* core clock is simply a mhz of PLL_N / PLL_P */
|
||||
uint32_t SystemCoreClock = (PLL_N / PLL_P) * 1000000;
|
||||
|
||||
__I uint8_t AHBPrescTable[16] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 6, 7, 8, 9};
|
||||
|
||||
|
|
Loading…
Reference in New Issue