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Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466
Diff: mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_HEXIWEAR/fsl_clock_config.c
- Revision:
- 0:8fdf9a60065b
diff -r 000000000000 -r 8fdf9a60065b mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_HEXIWEAR/fsl_clock_config.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_MCU_K64F/TARGET_HEXIWEAR/fsl_clock_config.c Wed Oct 10 00:33:53 2018 +0000 @@ -0,0 +1,196 @@ +/* + * 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 "fsl_clock_config.h" + +/******************************************************************************* + * Definitions + ******************************************************************************/ +/*! @brief Clock configuration structure. */ +typedef struct _clock_config +{ + mcg_config_t mcgConfig; /*!< MCG configuration. */ + sim_clock_config_t simConfig; /*!< SIM configuration. */ + osc_config_t oscConfig; /*!< OSC configuration. */ + uint32_t coreClock; /*!< core clock frequency. */ +} clock_config_t; + +/******************************************************************************* + * Variables + ******************************************************************************/ +/* System clock frequency. */ +extern uint32_t SystemCoreClock; + +/* Configuration for enter VLPR mode. Core clock = 4MHz. */ +const clock_config_t g_defaultClockConfigVlpr = { + .mcgConfig = + { + .mcgMode = kMCG_ModeBLPI, /* Work in BLPI mode. */ + .irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enable. */ + .ircs = kMCG_IrcFast, /* Select IRC4M. */ + .fcrdiv = 0U, /* FCRDIV is 0. */ + + .frdiv = 0U, + .drs = kMCG_DrsLow, /* Low frequency range. */ + .dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25%. */ + .oscsel = kMCG_OscselOsc, /* Select OSC. */ + + .pll0Config = + { + .enableMode = 0U, /* Don't eanble PLL. */ + .prdiv = 0U, + .vdiv = 0U, + }, + }, + .simConfig = + { + .pllFllSel = 3U, /* PLLFLLSEL select IRC48MCLK. */ + .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ + .clkdiv1 = 0x00040000U, /* SIM_CLKDIV1. */ + }, + .oscConfig = {.freq = BOARD_XTAL0_CLK_HZ, + .capLoad = 0, + .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 + }}, + .coreClock = 4000000U, /* Core clock frequency */ +}; + +/* Configuration for enter RUN mode. Core clock = 120MHz. */ +const clock_config_t g_defaultClockConfigRun = { + .mcgConfig = + { + .mcgMode = kMCG_ModePEE, /* Work in PEE mode. */ + .irclkEnableMode = kMCG_IrclkEnable, /* MCGIRCLK enable. */ + .ircs = kMCG_IrcSlow, /* Select IRC32k. */ + .fcrdiv = 0U, /* FCRDIV is 0. */ + + .frdiv = 7U, + .drs = kMCG_DrsLow, /* Low frequency range. */ + .dmx32 = kMCG_Dmx32Default, /* DCO has a default range of 25%. */ + .oscsel = kMCG_OscselOsc, /* Select OSC. */ + + .pll0Config = + { + .enableMode = 0U, .prdiv = 0x3U, .vdiv = 0x10U, + }, + }, + .simConfig = + { + .pllFllSel = 1U, /* PLLFLLSEL select PLL. */ + .er32kSrc = 2U, /* ERCLK32K selection, use RTC. */ + .clkdiv1 = 0x01140000U, /* SIM_CLKDIV1. */ + }, + .oscConfig = {.freq = BOARD_XTAL0_CLK_HZ, + .capLoad = 0, + .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 + }}, + .coreClock = 120000000U, /* Core clock frequency */ +}; + +/******************************************************************************* + * 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_Osc0Init to setup OSC clock, if it is used in target mode. + * + * 3. Set MCG configuration, MCG includes three parts: FLL clock, PLL clock and + * internal reference clock(MCGIRCLK). Follow the steps to setup: + * + * 1). Call CLOCK_BootToXxxMode to set MCG to target mode. + * + * 2). If target mode is FBI/BLPI/PBI mode, the MCGIRCLK has been configured + * correctly. For other modes, need to call CLOCK_SetInternalRefClkConfig + * explicitly to setup MCGIRCLK. + * + * 3). Don't need to configure FLL explicitly, because if target mode is FLL + * mode, then FLL has been configured by the function CLOCK_BootToXxxMode, + * if the target mode is not FLL mode, the FLL is disabled. + * + * 4). If target mode is PEE/PBE/PEI/PBI mode, then the related PLL has been + * setup by CLOCK_BootToXxxMode. In FBE/FBI/FEE/FBE mode, the PLL could + * be enabled independently, call CLOCK_EnablePll0 explicitly in this case. + * + * 4. Call CLOCK_SetSimConfig to set the clock configuration in SIM. + */ + +void BOARD_BootClockVLPR(void) +{ + CLOCK_SetSimSafeDivs(); + + CLOCK_BootToBlpiMode(g_defaultClockConfigVlpr.mcgConfig.fcrdiv, g_defaultClockConfigVlpr.mcgConfig.ircs, + g_defaultClockConfigVlpr.mcgConfig.irclkEnableMode); + + CLOCK_SetSimConfig(&g_defaultClockConfigVlpr.simConfig); + + SystemCoreClock = g_defaultClockConfigVlpr.coreClock; + + SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll); + SMC_SetPowerModeVlpr(SMC, false); + while (SMC_GetPowerModeState(SMC) != kSMC_PowerStateVlpr) + { + } +} + +void BOARD_BootClockRUN(void) +{ + CLOCK_SetSimSafeDivs(); + + CLOCK_InitOsc0(&g_defaultClockConfigRun.oscConfig); + CLOCK_SetXtal0Freq(BOARD_XTAL0_CLK_HZ); + + CLOCK_BootToPeeMode(g_defaultClockConfigRun.mcgConfig.oscsel, kMCG_PllClkSelPll0, + &g_defaultClockConfigRun.mcgConfig.pll0Config); + + CLOCK_SetInternalRefClkConfig(g_defaultClockConfigRun.mcgConfig.irclkEnableMode, + g_defaultClockConfigRun.mcgConfig.ircs, g_defaultClockConfigRun.mcgConfig.fcrdiv); + + CLOCK_SetSimConfig(&g_defaultClockConfigRun.simConfig); + + SystemCoreClock = g_defaultClockConfigRun.coreClock; +}