177 lines
7.6 KiB
C
177 lines
7.6 KiB
C
/*
|
|
* The Clear BSD License
|
|
* Copyright (c) 2018, NXP Semiconductors, Inc.
|
|
* All rights reserved.
|
|
*
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted (subject to the limitations in the disclaimer below) provided
|
|
* that the following conditions are met:
|
|
*
|
|
* o Redistributions of source code must retain the above copyright notice, this list
|
|
* of conditions and the following disclaimer.
|
|
*
|
|
* o Redistributions in binary form must reproduce the above copyright notice, this
|
|
* list of conditions and the following disclaimer in the documentation and/or
|
|
* other materials provided with the distribution.
|
|
*
|
|
* o Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
/*
|
|
* 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 v4.1
|
|
processor: LPC824
|
|
package_id: LPC824M201JHI33
|
|
mcu_data: ksdk2_0
|
|
processor_version: 0.0.1
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
|
|
|
|
#include "fsl_power.h"
|
|
#include "fsl_clock.h"
|
|
#include "clock_config.h"
|
|
#include "tos.h"
|
|
/*******************************************************************************
|
|
* Definitions
|
|
******************************************************************************/
|
|
|
|
/*******************************************************************************
|
|
* Variables
|
|
******************************************************************************/
|
|
/* System clock frequency. */
|
|
extern uint32_t SystemCoreClock;
|
|
|
|
/*******************************************************************************
|
|
************************ BOARD_InitBootClocks function ************************
|
|
******************************************************************************/
|
|
void BOARD_InitBootClocks(void)
|
|
{
|
|
BOARD_BootClockIRC12M();
|
|
}
|
|
|
|
/*******************************************************************************
|
|
******************** Configuration BOARD_BootClockIRC12M **********************
|
|
******************************************************************************/
|
|
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
|
|
!!Configuration
|
|
name: BOARD_BootClockIRC12M
|
|
called_from_default_init: true
|
|
outputs:
|
|
- {id: ADC_clock.outFreq, value: 12 MHz}
|
|
- {id: I2C0_clock.outFreq, value: 12 MHz}
|
|
- {id: I2C1_clock.outFreq, value: 12 MHz}
|
|
- {id: I2C2_clock.outFreq, value: 12 MHz}
|
|
- {id: LowPower_clock.outFreq, value: 10 kHz}
|
|
- {id: SPI0_clock.outFreq, value: 12 MHz}
|
|
- {id: SPI1_clock.outFreq, value: 12 MHz}
|
|
- {id: SYSPLL_clock.outFreq, value: 12 MHz}
|
|
- {id: System_clock.outFreq, value: 12 MHz}
|
|
- {id: divto750k_clock.outFreq, value: 750 kHz}
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
|
|
|
|
/*******************************************************************************
|
|
* Variables for BOARD_BootClockIRC12M configuration
|
|
******************************************************************************/
|
|
/*******************************************************************************
|
|
* Code for BOARD_BootClockIRC12M configuration
|
|
******************************************************************************/
|
|
void BOARD_BootClockIRC12M(void)
|
|
{
|
|
/*!< Set up the clock sources */
|
|
/*!< Set up IRC */
|
|
POWER_DisablePD(kPDRUNCFG_PD_IRC_OUT); /*!< Ensure FRO is on */
|
|
POWER_DisablePD(kPDRUNCFG_PD_IRC); /*!< Ensure FRO is on */
|
|
CLOCK_Select(kSYSPLL_From_Irc); /*!< set IRC to pll select */
|
|
clock_sys_pll_t config;
|
|
config.src = kCLOCK_SysPllSrcIrc; /*!< set pll src */
|
|
config.targetFreq = 12000000U; /*!< set pll target freq */
|
|
CLOCK_InitSystemPll(&config); /*!< set parameters */
|
|
CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcIrc); /*!< slecte irc for main clock */
|
|
CLOCK_Select(kCLKOUT_From_Irc); /*!< slecte IRC for CLKOUT */
|
|
CLOCK_SetCoreSysClkDiv(1U);
|
|
/*!< Set SystemCoreClock variable. */
|
|
SystemCoreClock = BOARD_BOOTCLOCKIRC12M_CORE_CLOCK;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
******************** Configuration BOARD_BootClockPll24M **********************
|
|
******************************************************************************/
|
|
/* TEXT BELOW IS USED AS SETTING FOR TOOLS *************************************
|
|
!!Configuration
|
|
name: BOARD_BootClockPll24M
|
|
outputs:
|
|
- {id: ADC_clock.outFreq, value: 24 MHz}
|
|
- {id: I2C0_clock.outFreq, value: 24 MHz}
|
|
- {id: I2C1_clock.outFreq, value: 24 MHz}
|
|
- {id: I2C2_clock.outFreq, value: 24 MHz}
|
|
- {id: LowPower_clock.outFreq, value: 10 kHz}
|
|
- {id: SPI0_clock.outFreq, value: 24 MHz}
|
|
- {id: SPI1_clock.outFreq, value: 24 MHz}
|
|
- {id: SYSPLL_clock.outFreq, value: 24 MHz}
|
|
- {id: System_clock.outFreq, value: 24 MHz}
|
|
- {id: divto750k_clock.outFreq, value: 750 kHz}
|
|
settings:
|
|
- {id: SYSCON.MAINCLKSEL.sel, value: SYSCON.PLL}
|
|
- {id: SYSCON.M_MULT.scale, value: '2'}
|
|
* BE CAREFUL MODIFYING THIS COMMENT - IT IS YAML SETTINGS FOR TOOLS **********/
|
|
|
|
/*******************************************************************************
|
|
* Variables for BOARD_BootClockPll24M configuration
|
|
******************************************************************************/
|
|
/*******************************************************************************
|
|
* Code for BOARD_BootClockPll24M configuration
|
|
******************************************************************************/
|
|
void BOARD_BootClockPll24M(void)
|
|
{
|
|
/*!< Set up the clock sources */
|
|
/*!< Set up IRC */
|
|
POWER_DisablePD(kPDRUNCFG_PD_IRC_OUT); /*!< Ensure FRO is on */
|
|
POWER_DisablePD(kPDRUNCFG_PD_IRC); /*!< Ensure FRO is on */
|
|
CLOCK_Select(kSYSPLL_From_Irc); /*!< set IRC to pll select */
|
|
clock_sys_pll_t config;
|
|
config.src = kCLOCK_SysPllSrcIrc; /*!< set pll src */
|
|
config.targetFreq = 24000000U; /*!< set pll target freq */
|
|
CLOCK_InitSystemPll(&config); /*!< set parameters */
|
|
CLOCK_SetMainClkSrc(kCLOCK_MainClkSrcSysPll); /*!< slecte syspll for main clock */
|
|
CLOCK_Select(kCLKOUT_From_Irc); /*!< slecte IRC for CLKOUT */
|
|
CLOCK_SetCoreSysClkDiv(1U);
|
|
/*!< Set SystemCoreClock variable. */
|
|
SystemCoreClock = BOARD_BOOTCLOCKPLL24M_CORE_CLOCK;
|
|
}
|
|
void SysTick_Handler(void)
|
|
{
|
|
if(tos_knl_is_running())
|
|
{
|
|
tos_knl_irq_enter();
|
|
tos_tick_handler();
|
|
tos_knl_irq_leave();
|
|
}
|
|
/* USER CODE BEGIN SysTick_IRQn 1 */
|
|
|
|
/* USER CODE END SysTick_IRQn 1 */
|
|
}
|