MPyATE_Template/board/clock_config.c

79 lines
3.3 KiB
C

/*
* How to set up clock using clock driver functions:
*
* 1. Setup clock sources.
*
* 2. Set up all dividers.
*
* 3. Set up all selectors to provide selected clocks.
*/
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!GlobalInfo
product: Clocks v11.0
processor: LPC804
package_id: LPC804M101JHI33
mcu_data: ksdk2_0
processor_version: 13.0.1
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
#include "fsl_power.h"
#include "fsl_clock.h"
#include "clock_config.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/*******************************************************************************
************************ BOARD_InitBootClocks function ************************
******************************************************************************/
void BOARD_InitBootClocks(void)
{
BOARD_BootClockRUN();
}
/*******************************************************************************
********************** Configuration BOARD_BootClockRUN ***********************
******************************************************************************/
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
!!Configuration
name: BOARD_BootClockRUN
called_from_default_init: true
outputs:
- {id: FROHF_clock.outFreq, value: 30 MHz}
- {id: LowPower_clock.outFreq, value: 1 MHz}
- {id: System_clock.outFreq, value: 15 MHz}
- {id: WWDT_clock.outFreq, value: 1 MHz}
- {id: divto750k_clock.outFreq, value: 750 kHz}
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
/*******************************************************************************
* Variables for BOARD_BootClockRUN configuration
******************************************************************************/
/*******************************************************************************
* Code for BOARD_BootClockRUN configuration
******************************************************************************/
void BOARD_BootClockRUN(void)
{
/*!< Set up the clock sources */
/*!< Set up FRO */
POWER_DisablePD(kPDRUNCFG_PD_FRO_OUT); /*!< Ensure FRO OUT is on */
POWER_DisablePD(kPDRUNCFG_PD_FRO); /*!< Ensure FRO is on */
CLOCK_SetFroOscFreq(kCLOCK_FroOscOut30M); /*!< Set up FRO freq */
POWER_DisablePD(kPDRUNCFG_PD_LPOSC); /*!< Ensure LPOSC is on */
CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcFro); /*!< select fro for main clock */
CLOCK_Select(kFRG0_Clk_From_Fro); /*!< select fro for frg0 */
CLOCK_SetFRG0ClkFreq(15000000U); /*!< select frg0 freq */
CLOCK_Select(kCLKOUT_From_Fro); /*!< select FRO for CLKOUT */
CLOCK_Select(kADC_Clk_From_Fro); /*!< select FRO for ADC */
CLOCK_SetCoreSysClkDiv(1U);
/*!< Set SystemCoreClock variable. */
SystemCoreClock = BOARD_BOOTCLOCKRUN_CORE_CLOCK;
}