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Replace clock_config.[ch] with the much shorter init_clock.[ch]

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This commit is contained in:
László Monda
2016-10-11 02:41:29 +02:00
parent 4771b80817
commit 09e6314770
5 changed files with 44 additions and 201 deletions
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145
left/src/clock_config.c
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@@ -1,145 +0,0 @@
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted 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 Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 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.
*/
#include "fsl_common.h"
#include "fsl_smc.h"
#include "clock_config.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*******************************************************************************
* Variables
******************************************************************************/
/* System clock frequency. */
extern uint32_t SystemCoreClock;
/*******************************************************************************
* Code
******************************************************************************/
/*
* How to setup clock using clock driver functions:
*
* 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
* and flash clock are in allowed range during clock mode switch.
*
* 2. Call CLOCK_SetMcgliteConfig to set MCG_Lite configuration.
*
* 3. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
*/
void BOARD_BootClockVLPR(void)
{
/*
* Core clock: 2MHz
* Bus clock: 1MHz
*/
const mcglite_config_t mcgliteConfig = {
.outSrc = kMCGLITE_ClkSrcLirc,
.irclkEnableMode = kMCGLITE_IrclkEnable,
.ircs = kMCGLITE_Lirc2M,
.fcrdiv = kMCGLITE_LircDivBy1,
.lircDiv2 = kMCGLITE_LircDivBy1,
.hircEnableInNotHircMode = false,
};
const sim_clock_config_t simConfig =
{
#if (defined(FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) && FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION)
.er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */
#endif
.clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */
};
CLOCK_SetSimSafeDivs();
CLOCK_SetMcgliteConfig(&mcgliteConfig);
CLOCK_SetSimConfig(&simConfig);
SystemCoreClock = 2000000U;
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
SMC_SetPowerModeVlpr(SMC);
while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr)
{
}
}
void BOARD_BootClockRUN(void)
{
/*
* Core clock: 48MHz
* Bus clock: 24MHz
*/
const mcglite_config_t mcgliteConfig = {
.outSrc = kMCGLITE_ClkSrcHirc,
.irclkEnableMode = 0U,
.ircs = kMCGLITE_Lirc8M,
.fcrdiv = kMCGLITE_LircDivBy1,
.lircDiv2 = kMCGLITE_LircDivBy1,
.hircEnableInNotHircMode = true,
};
const sim_clock_config_t simConfig =
{
#if (defined(FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION) && FSL_FEATURE_SIM_OPT_HAS_OSC32K_SELECTION)
.er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */
#endif
.clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */
};
CLOCK_SetSimSafeDivs();
CLOCK_SetMcgliteConfig(&mcgliteConfig);
CLOCK_SetSimConfig(&simConfig);
SystemCoreClock = 48000000U;
}
void BOARD_InitOsc0(void)
{
const osc_config_t oscConfig = {.freq = BOARD_XTAL0_CLK_HZ,
.capLoad = 0U,
.workMode = kOSC_ModeOscLowPower,
.oscerConfig = {
.enableMode = kOSC_ErClkEnable,
#if (defined(FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER) && FSL_FEATURE_OSC_HAS_EXT_REF_CLOCK_DIVIDER)
.erclkDiv = 0U,
#endif
}};
CLOCK_InitOsc0(&oscConfig);
/* Passing the XTAL0 frequency to clock driver. */
CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ);
}

54
left/src/clock_config.h
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@@ -1,54 +0,0 @@
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted 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 Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* 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.
*/
#ifndef _CLOCK_CONFIG_H_
#define _CLOCK_CONFIG_H_
/*******************************************************************************
* DEFINITION
******************************************************************************/
#define BOARD_XTAL0_CLK_HZ 32768U
#define BOARD_XTAL32K_CLK_HZ 0U
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus*/
void BOARD_BootClockVLPR(void);
void BOARD_BootClockRUN(void);
void BOARD_InitOsc0(void);
#if defined(__cplusplus)
}
#endif /* __cplusplus*/
#endif /* _CLOCK_CONFIG_H_ */

34
left/src/init_clock.c Normal file
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@@ -0,0 +1,34 @@
#include "fsl_common.h"
extern uint32_t SystemCoreClock; // System clock frequency.
// How to setup clock using clock driver functions:
// 1. CLOCK_SetSimSafeDivs, to make sure core clock, bus clock, flexbus clock
// and flash clock are in allowed range during clock mode switch.
// 2. Call CLOCK_SetMcgliteConfig to set MCG_Lite configuration.
// 3. Call CLOCK_SetSimConfig to set the clock configuration in SIM.
void InitClock(void)
{
// Core clock: 48MHz
// Bus clock: 24MHz
const mcglite_config_t mcgliteConfig = {
.outSrc = kMCGLITE_ClkSrcHirc,
.irclkEnableMode = 0U,
.ircs = kMCGLITE_Lirc8M,
.fcrdiv = kMCGLITE_LircDivBy1,
.lircDiv2 = kMCGLITE_LircDivBy1,
.hircEnableInNotHircMode = true,
};
const sim_clock_config_t simConfig =
{
.er32kSrc = 0U, /* SIM_SOPT1[OSC32KSEL]. */
.clkdiv1 = 0x00010000U, /* SIM_CLKDIV1. */
};
CLOCK_SetSimSafeDivs();
CLOCK_SetMcgliteConfig(&mcgliteConfig);
CLOCK_SetSimConfig(&simConfig);
SystemCoreClock = 48000000U;
}

8
left/src/init_clock.h Normal file
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@@ -0,0 +1,8 @@
#ifndef __INIT_CLOCK_H__
#define __INIT_CLOCK_H__
// Functions:
void InitClock();
#endif

4
left/src/main.c
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@@ -1,5 +1,5 @@
#include "fsl_gpio.h"
#include "clock_config.h"
#include "init_clock.h"
#include "fsl_port.h"
#include "key_matrix.h"
@@ -42,7 +42,7 @@ int main(void)
CLOCK_EnableClock(TEST_LED_CLOCK);
PORT_SetPinMux(TEST_LED_PORT, TEST_LED_PIN, kPORT_MuxAsGpio);
TEST_LED_INIT(1);
BOARD_BootClockRUN();
InitClock();
KeyMatrix_Init(&keyMatrix);
KeyMatrix_Scan(&keyMatrix);