infinity: Move project specific files to local
This commit is contained in:
		| @@ -24,7 +24,10 @@ INCLUDE_PATHS = -I. | ||||
| #MOUSEKEY_ENABLE = yes | ||||
|  | ||||
|  | ||||
| include $(TMK_DIR)/tool/mbed/mk20d50m.mk | ||||
| include mbed-infinity.mk | ||||
| include $(TMK_DIR)/tool/mbed/mbed.mk | ||||
| include $(TMK_DIR)/tool/mbed/common.mk | ||||
| include $(TMK_DIR)/tool/mbed/gcc.mk | ||||
|  | ||||
| program: | ||||
| 	dfu-util -D $(OBJDIR)/$(PROJECT).bin | ||||
|   | ||||
| @@ -15,9 +15,9 @@ CC_SYMBOLS += \ | ||||
| 	-D__MBED__=1 | ||||
| 
 | ||||
| OBJECTS += \
 | ||||
| 	$(OBJDIR)/mbed-infinity/cmsis_nvic.o \
 | ||||
| 	$(OBJDIR)/mbed-infinity/system_MK20D5.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/TOOLCHAIN_GCC_ARM/startup_MK20D5.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/cmsis_nvic.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/cmsis/TARGET_Freescale/TARGET_K20D50M/system_MK20D5.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M/analogin_api.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M/gpio_api.o \
 | ||||
| 	$(OBJDIR)/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M/gpio_irq_api.o \
 | ||||
| @@ -32,6 +32,7 @@ OBJECTS += \ | ||||
| 	$(OBJDIR)/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M/us_ticker.o | ||||
| 
 | ||||
| INCLUDE_PATHS += \
 | ||||
| 	-Imbed \
 | ||||
| 	-I$(MBED_DIR)/libraries/mbed/targets \
 | ||||
| 	-I$(MBED_DIR)/libraries/mbed/targets/cmsis \
 | ||||
| 	-I$(MBED_DIR)/libraries/mbed/targets/cmsis/TARGET_Freescale \
 | ||||
| @@ -41,4 +42,4 @@ INCLUDE_PATHS += \ | ||||
| 	-I$(MBED_DIR)/libraries/mbed/targets/hal/TARGET_Freescale \
 | ||||
| 	-I$(MBED_DIR)/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_K20D50M | ||||
| 
 | ||||
| LINKER_SCRIPT = infinity.ld | ||||
| LINKER_SCRIPT = mbed-infinity/infinity.ld | ||||
							
								
								
									
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								keyboard/infinity/mbed-infinity/cmsis_nvic.c
									
									
									
									
									
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										55
									
								
								keyboard/infinity/mbed-infinity/cmsis_nvic.c
									
									
									
									
									
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							| @@ -0,0 +1,55 @@ | ||||
| /* mbed Microcontroller Library | ||||
|  * CMSIS-style functionality to support dynamic vectors | ||||
|  ******************************************************************************* | ||||
|  * Copyright (c) 2011 ARM Limited. All rights reserved. | ||||
|  * All rights reserved. | ||||
|  * | ||||
|  * Redistribution and use in source and binary forms, with or without | ||||
|  * modification, are permitted provided that the following conditions are met: | ||||
|  * | ||||
|  * 1. Redistributions of source code must retain the above copyright notice, | ||||
|  *    this list of conditions and the following disclaimer. | ||||
|  * 2. 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. | ||||
|  * 3. Neither the name of ARM Limited 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 "cmsis_nvic.h" | ||||
|  | ||||
| #define NVIC_RAM_VECTOR_ADDRESS (0x1FFFE000)  // Vectors positioned at start of RAM | ||||
| #define NVIC_FLASH_VECTOR_ADDRESS (0x1000)       // Initial vector position in flash | ||||
|  | ||||
| void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) { | ||||
|     uint32_t *vectors = (uint32_t*)SCB->VTOR; | ||||
|     uint32_t i; | ||||
|  | ||||
|     // Copy and switch to dynamic vectors if the first time called | ||||
|     if (SCB->VTOR == NVIC_FLASH_VECTOR_ADDRESS) { | ||||
|         uint32_t *old_vectors = vectors; | ||||
|         vectors = (uint32_t*)NVIC_RAM_VECTOR_ADDRESS; | ||||
|         for (i=0; i<NVIC_NUM_VECTORS; i++) { | ||||
|             vectors[i] = old_vectors[i]; | ||||
|         } | ||||
|         SCB->VTOR = (uint32_t)NVIC_RAM_VECTOR_ADDRESS; | ||||
|     } | ||||
|     vectors[IRQn + 16] = vector; | ||||
| } | ||||
|  | ||||
| uint32_t NVIC_GetVector(IRQn_Type IRQn) { | ||||
|     uint32_t *vectors = (uint32_t*)SCB->VTOR; | ||||
|     return vectors[IRQn + 16]; | ||||
| } | ||||
							
								
								
									
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								keyboard/infinity/mbed-infinity/system_MK20D5.c
									
									
									
									
									
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								keyboard/infinity/mbed-infinity/system_MK20D5.c
									
									
									
									
									
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							| @@ -0,0 +1,299 @@ | ||||
| /* | ||||
| ** ################################################################### | ||||
| **     Compilers:           ARM Compiler | ||||
| **                          Freescale C/C++ for Embedded ARM | ||||
| **                          GNU C Compiler | ||||
| **                          IAR ANSI C/C++ Compiler for ARM | ||||
| ** | ||||
| **     Reference manuals:   K20P64M50SF0RM Rev. 1, Oct 2011 | ||||
| **                          K20P32M50SF0RM Rev. 1, Oct 2011 | ||||
| **                          K20P48M50SF0RM Rev. 1, Oct 2011 | ||||
| ** | ||||
| **     Version:             rev. 1.0, 2011-12-15 | ||||
| ** | ||||
| **     Abstract: | ||||
| **         Provides a system configuration function and a global variable that | ||||
| **         contains the system frequency. It configures the device and initializes | ||||
| **         the oscillator (PLL) that is part of the microcontroller device. | ||||
| ** | ||||
| **     Copyright: 2011 Freescale Semiconductor, Inc. All Rights Reserved. | ||||
| ** | ||||
| **     http:                 www.freescale.com | ||||
| **     mail:                 support@freescale.com | ||||
| ** | ||||
| **     Revisions: | ||||
| **     - rev. 1.0 (2011-12-15) | ||||
| **         Initial version | ||||
| ** | ||||
| ** ################################################################### | ||||
| */ | ||||
|  | ||||
| /** | ||||
|  * @file MK20D5 | ||||
|  * @version 1.0 | ||||
|  * @date 2011-12-15 | ||||
|  * @brief Device specific configuration file for MK20D5 (implementation file) | ||||
|  * | ||||
|  * Provides a system configuration function and a global variable that contains | ||||
|  * the system frequency. It configures the device and initializes the oscillator | ||||
|  * (PLL) that is part of the microcontroller device. | ||||
|  */ | ||||
|  | ||||
| #include <stdint.h> | ||||
| #include "MK20D5.h" | ||||
|  | ||||
| #define DISABLE_WDOG    1 | ||||
|  | ||||
| #define CLOCK_SETUP     3 | ||||
| /* Predefined clock setups | ||||
|    0 ... Multipurpose Clock Generator (MCG) in FLL Engaged Internal (FEI) mode | ||||
|          Reference clock source for MCG module is the slow internal clock source 32.768kHz | ||||
|          Core clock = 41.94MHz, BusClock = 41.94MHz | ||||
|    1 ... Multipurpose Clock Generator (MCG) in PLL Engaged External (PEE) mode | ||||
|          Reference clock source for MCG module is an external crystal 8MHz | ||||
|          Core clock = 48MHz, BusClock = 48MHz | ||||
|    2 ... Multipurpose Clock Generator (MCG) in Bypassed Low Power External (BLPE) mode | ||||
|          Core clock/Bus clock derived directly from an external crystal 8MHz with no multiplication | ||||
|          Core clock = 8MHz, BusClock = 8MHz | ||||
| */ | ||||
|  | ||||
| /*---------------------------------------------------------------------------- | ||||
|   Define clock source values | ||||
|  *----------------------------------------------------------------------------*/ | ||||
| #if (CLOCK_SETUP == 0) | ||||
|     #define CPU_XTAL_CLK_HZ                 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_XTAL32k_CLK_HZ              32768u   /* Value of the external 32k crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_INT_SLOW_CLK_HZ             32768u   /* Value of the slow internal oscillator clock frequency in Hz  */ | ||||
|     #define CPU_INT_FAST_CLK_HZ             4000000u /* Value of the fast internal oscillator clock frequency in Hz  */ | ||||
|     #define DEFAULT_SYSTEM_CLOCK            41943040u /* Default System clock value */ | ||||
| #elif (CLOCK_SETUP == 1) | ||||
|     #define CPU_XTAL_CLK_HZ                 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_XTAL32k_CLK_HZ              32768u   /* Value of the external 32k crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_INT_SLOW_CLK_HZ             32768u   /* Value of the slow internal oscillator clock frequency in Hz  */ | ||||
|     #define CPU_INT_FAST_CLK_HZ             4000000u /* Value of the fast internal oscillator clock frequency in Hz  */ | ||||
|     #define DEFAULT_SYSTEM_CLOCK            48000000u /* Default System clock value */ | ||||
| #elif (CLOCK_SETUP == 2) | ||||
|     #define CPU_XTAL_CLK_HZ                 8000000u /* Value of the external crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_XTAL32k_CLK_HZ              32768u   /* Value of the external 32k crystal or oscillator clock frequency in Hz */ | ||||
|     #define CPU_INT_SLOW_CLK_HZ             32768u   /* Value of the slow internal oscillator clock frequency in Hz  */ | ||||
|     #define CPU_INT_FAST_CLK_HZ             4000000u /* Value of the fast internal oscillator clock frequency in Hz  */ | ||||
|     #define DEFAULT_SYSTEM_CLOCK            8000000u /* Default System clock value */ | ||||
| #elif (CLOCK_SETUP == 3) | ||||
|     /* for Infinity */ | ||||
|     #define CPU_XTAL_CLK_HZ                 8000000u | ||||
|     #define CPU_XTAL32k_CLK_HZ              32768u | ||||
|     #define CPU_INT_SLOW_CLK_HZ             32768u | ||||
|     #define CPU_INT_FAST_CLK_HZ             4000000u | ||||
|     #define DEFAULT_SYSTEM_CLOCK            48000000u | ||||
| #endif | ||||
|  | ||||
|  | ||||
| /* ---------------------------------------------------------------------------- | ||||
|    -- Core clock | ||||
|    ---------------------------------------------------------------------------- */ | ||||
|  | ||||
| uint32_t SystemCoreClock = DEFAULT_SYSTEM_CLOCK; | ||||
|  | ||||
| /* ---------------------------------------------------------------------------- | ||||
|    -- SystemInit() | ||||
|    ---------------------------------------------------------------------------- */ | ||||
|  | ||||
| void SystemInit (void) { | ||||
| #if (DISABLE_WDOG) | ||||
|   /* Disable the WDOG module */ | ||||
|   /* WDOG_UNLOCK: WDOGUNLOCK=0xC520 */ | ||||
|   WDOG->UNLOCK = (uint16_t)0xC520u;     /* Key 1 */ | ||||
|   /* WDOG_UNLOCK : WDOGUNLOCK=0xD928 */ | ||||
|   WDOG->UNLOCK  = (uint16_t)0xD928u;    /* Key 2 */ | ||||
|   /* WDOG_STCTRLH: ??=0,DISTESTWDOG=0,BYTESEL=0,TESTSEL=0,TESTWDOG=0,??=0,STNDBYEN=1,WAITEN=1,STOPEN=1,DBGEN=0,ALLOWUPDATE=1,WINEN=0,IRQRSTEN=0,CLKSRC=1,WDOGEN=0 */ | ||||
|   WDOG->STCTRLH = (uint16_t)0x01D2u; | ||||
| #endif /* (DISABLE_WDOG) */ | ||||
| #if (CLOCK_SETUP == 0) | ||||
|   /* SIM->CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ | ||||
|   SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ | ||||
|   /* Switch to FEI Mode */ | ||||
|   /* MCG->C1: CLKS=0,FRDIV=0,IREFS=1,IRCLKEN=1,IREFSTEN=0 */ | ||||
|   MCG->C1 = (uint8_t)0x06u; | ||||
|   /* MCG->C2: ??=0,??=0,RANGE0=0,HGO=0,EREFS=0,LP=0,IRCS=0 */ | ||||
|   MCG->C2 = (uint8_t)0x00u; | ||||
|   /* MCG_C4: DMX32=0,DRST_DRS=1 */ | ||||
|   MCG->C4 = (uint8_t)((MCG->C4 & (uint8_t)~(uint8_t)0xC0u) | (uint8_t)0x20u); | ||||
|   /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=0 */ | ||||
|   MCG->C5 = (uint8_t)0x00u; | ||||
|   /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ | ||||
|   MCG->C6 = (uint8_t)0x00u; | ||||
|   while((MCG->S & MCG_S_IREFST_MASK) == 0u) { /* Check that the source of the FLL reference clock is the internal reference clock. */ | ||||
|   } | ||||
|   while((MCG->S & 0x0Cu) != 0x00u) {    /* Wait until output of the FLL is selected */ | ||||
|   } | ||||
| #elif (CLOCK_SETUP == 1) | ||||
|   /* SIM->CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ | ||||
|   SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ | ||||
|   /* Switch to FBE Mode */ | ||||
|   /* OSC0->CR: ERCLKEN=0,??=0,EREFSTEN=0,??=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */ | ||||
|   OSC0->CR = (uint8_t)0x00u; | ||||
|   /* MCG->C7: OSCSEL=0 */ | ||||
|   MCG->C7 = (uint8_t)0x00u; | ||||
|   /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ | ||||
|   MCG->C2 = (uint8_t)0x24u; | ||||
|   /* MCG->C1: CLKS=2,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ | ||||
|   MCG->C1 = (uint8_t)0x9Au; | ||||
|   /* MCG->C4: DMX32=0,DRST_DRS=0 */ | ||||
|   MCG->C4 &= (uint8_t)~(uint8_t)0xE0u; | ||||
|   /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=3 */ | ||||
|   MCG->C5 = (uint8_t)0x03u; | ||||
|   /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ | ||||
|   MCG->C6 = (uint8_t)0x00u; | ||||
|   while((MCG->S & MCG_S_OSCINIT0_MASK) == 0u) { /* Check that the oscillator is running */ | ||||
|   } | ||||
| #if 0 /* ARM: THIS CHECK IS REMOVED DUE TO BUG WITH SLOW IRC IN REV. 1.0 */ | ||||
|   while((MCG->S & MCG_S_IREFST_MASK) != 0u) { /* Check that the source of the FLL reference clock is the external reference clock. */ | ||||
|   } | ||||
| #endif | ||||
|   while((MCG->S & 0x0Cu) != 0x08u) {    /* Wait until external reference clock is selected as MCG output */ | ||||
|   } | ||||
|   /* Switch to PBE Mode */ | ||||
|   /* MCG_C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=3 */ | ||||
|   MCG->C5 = (uint8_t)0x03u; | ||||
|   /* MCG->C6: LOLIE=0,PLLS=1,CME=0,VDIV0=0 */ | ||||
|   MCG->C6 = (uint8_t)0x40u; | ||||
|   while((MCG->S & MCG_S_PLLST_MASK) == 0u) { /* Wait until the source of the PLLS clock has switched to the PLL */ | ||||
|   } | ||||
|   while((MCG->S & MCG_S_LOCK0_MASK) == 0u) { /* Wait until locked */ | ||||
|   } | ||||
|   /* Switch to PEE Mode */ | ||||
|   /* MCG->C1: CLKS=0,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ | ||||
|   MCG->C1 = (uint8_t)0x1Au; | ||||
|   while((MCG->S & 0x0Cu) != 0x0Cu) {    /* Wait until output of the PLL is selected */ | ||||
|   } | ||||
|   while((MCG->S & MCG_S_LOCK0_MASK) == 0u) { /* Wait until locked */ | ||||
|   } | ||||
| #elif (CLOCK_SETUP == 2) | ||||
|   /* SIM_CLKDIV1: OUTDIV1=0,OUTDIV2=0,OUTDIV3=1,OUTDIV4=1,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0 */ | ||||
|   SIM->CLKDIV1 = (uint32_t)0x00110000u; /* Update system prescalers */ | ||||
|   /* Switch to FBE Mode */ | ||||
|   /* OSC0->CR: ERCLKEN=0,??=0,EREFSTEN=0,??=0,SC2P=0,SC4P=0,SC8P=0,SC16P=0 */ | ||||
|   OSC0->CR = (uint8_t)0x00u; | ||||
|   /* MCG->C7: OSCSEL=0 */ | ||||
|   MCG->C7 = (uint8_t)0x00u; | ||||
|   /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ | ||||
|   MCG->C2 = (uint8_t)0x24u; | ||||
|   /* MCG->C1: CLKS=2,FRDIV=3,IREFS=0,IRCLKEN=1,IREFSTEN=0 */ | ||||
|   MCG->C1 = (uint8_t)0x9Au; | ||||
|   /* MCG->C4: DMX32=0,DRST_DRS=0 */ | ||||
|   MCG->C4 &= (uint8_t)~(uint8_t)0xE0u; | ||||
|   /* MCG->C5: ??=0,PLLCLKEN=0,PLLSTEN=0,PRDIV0=0 */ | ||||
|   MCG->C5 = (uint8_t)0x00u; | ||||
|   /* MCG->C6: LOLIE=0,PLLS=0,CME=0,VDIV0=0 */ | ||||
|   MCG->C6 = (uint8_t)0x00u; | ||||
|   while((MCG->S & MCG_S_OSCINIT0_MASK) == 0u) { /* Check that the oscillator is running */ | ||||
|   } | ||||
| #if 0 /* ARM: THIS CHECK IS REMOVED DUE TO BUG WITH SLOW IRC IN REV. 1.0 */ | ||||
|   while((MCG->S & MCG_S_IREFST_MASK) != 0u) { /* Check that the source of the FLL reference clock is the external reference clock. */ | ||||
|   } | ||||
| #endif | ||||
|   while((MCG->S & 0x0CU) != 0x08u) {    /* Wait until external reference clock is selected as MCG output */ | ||||
|   } | ||||
|   /* Switch to BLPE Mode */ | ||||
|   /* MCG->C2: ??=0,??=0,RANGE0=2,HGO=0,EREFS=1,LP=0,IRCS=0 */ | ||||
|   MCG->C2 = (uint8_t)0x24u; | ||||
|  | ||||
| #elif (CLOCK_SETUP == 3) | ||||
|   /* for Infinity FEI: 48MHz */ | ||||
|  | ||||
|   /* OUTDIV1(core/system): 48/1, OUTDIV2(bus): 48/1, OUTDIV4(flash): 48/2 */ | ||||
|   SIM->CLKDIV1 = SIM_CLKDIV1_OUTDIV1(0) | SIM_CLKDIV1_OUTDIV2(0) | SIM_CLKDIV1_OUTDIV4(1); | ||||
|   MCG->C1 = MCG_C1_IREFS_MASK | MCG_C1_IRCLKEN_MASK; | ||||
|   /* 32.768KHz x FLL(1464) = 48MHz */ | ||||
|   MCG->C4 = MCG_C4_DMX32_MASK | MCG_C4_DRST_DRS(1); | ||||
|   /* USB clock source: MCGPLLCLK/MCGFLLCLK */ | ||||
|   //SIM->SOPT2 = SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_TRACECLKSEL_MASK; | ||||
|  | ||||
|   while((MCG->S & MCG_S_IREFST_MASK) == 0u) { } | ||||
|   while((MCG->S & 0x0Cu) != 0x00u) { } | ||||
| #endif | ||||
| } | ||||
|  | ||||
| /* ---------------------------------------------------------------------------- | ||||
|    -- SystemCoreClockUpdate() | ||||
|    ---------------------------------------------------------------------------- */ | ||||
|  | ||||
| void SystemCoreClockUpdate (void) { | ||||
|   uint32_t MCGOUTClock;                                                        /* Variable to store output clock frequency of the MCG module */ | ||||
|   uint8_t Divider; | ||||
|  | ||||
|   if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x0u) { | ||||
|     /* Output of FLL or PLL is selected */ | ||||
|     if ((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u) { | ||||
|       /* FLL is selected */ | ||||
|       if ((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u) { | ||||
|         /* External reference clock is selected */ | ||||
|         if ((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u) { | ||||
|           MCGOUTClock = CPU_XTAL_CLK_HZ;                                       /* System oscillator drives MCG clock */ | ||||
|         } else { /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ | ||||
|           MCGOUTClock = CPU_XTAL32k_CLK_HZ;                                    /* RTC 32 kHz oscillator drives MCG clock */ | ||||
|         } /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ | ||||
|         Divider = (uint8_t)(1u << ((MCG->C1 & MCG_C1_FRDIV_MASK) >> MCG_C1_FRDIV_SHIFT)); | ||||
|         MCGOUTClock = (MCGOUTClock / Divider);  /* Calculate the divided FLL reference clock */ | ||||
|         if ((MCG->C2 & MCG_C2_RANGE0_MASK) != 0x0u) { | ||||
|           MCGOUTClock /= 32u;                                                  /* If high range is enabled, additional 32 divider is active */ | ||||
|         } /* ((MCG->C2 & MCG_C2_RANGE0_MASK) != 0x0u) */ | ||||
|       } else { /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u)) */ | ||||
|         MCGOUTClock = CPU_INT_SLOW_CLK_HZ;                                     /* The slow internal reference clock is selected */ | ||||
|       } /* (!((MCG->C1 & MCG_C1_IREFS_MASK) == 0x0u)) */ | ||||
|       /* Select correct multiplier to calculate the MCG output clock  */ | ||||
|       switch (MCG->C4 & (MCG_C4_DMX32_MASK | MCG_C4_DRST_DRS_MASK)) { | ||||
|         case 0x0u: | ||||
|           MCGOUTClock *= 640u; | ||||
|           break; | ||||
|         case 0x20u: | ||||
|           MCGOUTClock *= 1280u; | ||||
|           break; | ||||
|         case 0x40u: | ||||
|           MCGOUTClock *= 1920u; | ||||
|           break; | ||||
|         case 0x60u: | ||||
|           MCGOUTClock *= 2560u; | ||||
|           break; | ||||
|         case 0x80u: | ||||
|           MCGOUTClock *= 732u; | ||||
|           break; | ||||
|         case 0xA0u: | ||||
|           MCGOUTClock *= 1464u; | ||||
|           break; | ||||
|         case 0xC0u: | ||||
|           MCGOUTClock *= 2197u; | ||||
|           break; | ||||
|         case 0xE0u: | ||||
|           MCGOUTClock *= 2929u; | ||||
|           break; | ||||
|         default: | ||||
|           break; | ||||
|       } | ||||
|     } else { /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u)) */ | ||||
|       /* PLL is selected */ | ||||
|       Divider = (1u + (MCG->C5 & MCG_C5_PRDIV0_MASK)); | ||||
|       MCGOUTClock = (uint32_t)(CPU_XTAL_CLK_HZ / Divider);                     /* Calculate the PLL reference clock */ | ||||
|       Divider = ((MCG->C6 & MCG_C6_VDIV0_MASK) + 24u); | ||||
|       MCGOUTClock *= Divider;                       /* Calculate the MCG output clock */ | ||||
|     } /* (!((MCG->C6 & MCG_C6_PLLS_MASK) == 0x0u)) */ | ||||
|   } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x40u) { | ||||
|     /* Internal reference clock is selected */ | ||||
|     if ((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u) { | ||||
|       MCGOUTClock = CPU_INT_SLOW_CLK_HZ;                                       /* Slow internal reference clock selected */ | ||||
|     } else { /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u)) */ | ||||
|       MCGOUTClock = CPU_INT_FAST_CLK_HZ / (1 << ((MCG->SC & MCG_SC_FCRDIV_MASK) >> MCG_SC_FCRDIV_SHIFT));  /* Fast internal reference clock selected */ | ||||
|     } /* (!((MCG->C2 & MCG_C2_IRCS_MASK) == 0x0u)) */ | ||||
|   } else if ((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u) { | ||||
|     /* External reference clock is selected */ | ||||
|     if ((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u) { | ||||
|       MCGOUTClock = CPU_XTAL_CLK_HZ;                                           /* System oscillator drives MCG clock */ | ||||
|     } else { /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ | ||||
|       MCGOUTClock = CPU_XTAL32k_CLK_HZ;                                        /* RTC 32 kHz oscillator drives MCG clock */ | ||||
|     } /* (!((MCG->C7 & MCG_C7_OSCSEL_MASK) == 0x0u)) */ | ||||
|   } else { /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u)) */ | ||||
|     /* Reserved value */ | ||||
|     return; | ||||
|   } /* (!((MCG->C1 & MCG_C1_CLKS_MASK) == 0x80u)) */ | ||||
|   SystemCoreClock = (MCGOUTClock / (1u + ((SIM->CLKDIV1 & SIM_CLKDIV1_OUTDIV1_MASK) >> SIM_CLKDIV1_OUTDIV1_SHIFT))); | ||||
| } | ||||
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