takashi kadono / Mbed OS Nucleo446_SSD1331

Color Oled(SSD1331) connect to STMicroelectronics Nucleo-F466

Dependencies:   ssd1331

mbed-os/targets/TARGET_Freescale/TARGET_MCUXpresso_MCUS/TARGET_K82F/drivers/fsl_pit.c@3:f3764f852aa8, 2018-10-11 (annotated)

Committer:
kadonotakashi
Date:
Thu Oct 11 02:27:46 2018 +0000
Revision:
3:f3764f852aa8
Parent:
0:8fdf9a60065b 
Nucreo 446 + SSD1331 test version;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kadonotakashi 0:8fdf9a60065b 1 /*
kadonotakashi 0:8fdf9a60065b 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
kadonotakashi 0:8fdf9a60065b 3 * All rights reserved.
kadonotakashi 0:8fdf9a60065b 4 *
kadonotakashi 0:8fdf9a60065b 5 * Redistribution and use in source and binary forms, with or without modification,
kadonotakashi 0:8fdf9a60065b 6 * are permitted provided that the following conditions are met:
kadonotakashi 0:8fdf9a60065b 7 *
kadonotakashi 0:8fdf9a60065b 8 * o Redistributions of source code must retain the above copyright notice, this list
kadonotakashi 0:8fdf9a60065b 9 * of conditions and the following disclaimer.
kadonotakashi 0:8fdf9a60065b 10 *
kadonotakashi 0:8fdf9a60065b 11 * o Redistributions in binary form must reproduce the above copyright notice, this
kadonotakashi 0:8fdf9a60065b 12 * list of conditions and the following disclaimer in the documentation and/or
kadonotakashi 0:8fdf9a60065b 13 * other materials provided with the distribution.
kadonotakashi 0:8fdf9a60065b 14 *
kadonotakashi 0:8fdf9a60065b 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
kadonotakashi 0:8fdf9a60065b 16 * contributors may be used to endorse or promote products derived from this
kadonotakashi 0:8fdf9a60065b 17 * software without specific prior written permission.
kadonotakashi 0:8fdf9a60065b 18 *
kadonotakashi 0:8fdf9a60065b 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
kadonotakashi 0:8fdf9a60065b 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
kadonotakashi 0:8fdf9a60065b 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
kadonotakashi 0:8fdf9a60065b 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
kadonotakashi 0:8fdf9a60065b 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
kadonotakashi 0:8fdf9a60065b 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
kadonotakashi 0:8fdf9a60065b 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
kadonotakashi 0:8fdf9a60065b 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
kadonotakashi 0:8fdf9a60065b 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
kadonotakashi 0:8fdf9a60065b 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
kadonotakashi 0:8fdf9a60065b 29 */
kadonotakashi 0:8fdf9a60065b 30
kadonotakashi 0:8fdf9a60065b 31 #include "fsl_pit.h"
kadonotakashi 0:8fdf9a60065b 32
kadonotakashi 0:8fdf9a60065b 33 /*******************************************************************************
kadonotakashi 0:8fdf9a60065b 34 * Prototypes
kadonotakashi 0:8fdf9a60065b 35 ******************************************************************************/
kadonotakashi 0:8fdf9a60065b 36 /*!
kadonotakashi 0:8fdf9a60065b 37 * @brief Gets the instance from the base address to be used to gate or ungate the module clock
kadonotakashi 0:8fdf9a60065b 38 *
kadonotakashi 0:8fdf9a60065b 39 * @param base PIT peripheral base address
kadonotakashi 0:8fdf9a60065b 40 *
kadonotakashi 0:8fdf9a60065b 41 * @return The PIT instance
kadonotakashi 0:8fdf9a60065b 42 */
kadonotakashi 0:8fdf9a60065b 43 static uint32_t PIT_GetInstance(PIT_Type *base);
kadonotakashi 0:8fdf9a60065b 44
kadonotakashi 0:8fdf9a60065b 45 /*******************************************************************************
kadonotakashi 0:8fdf9a60065b 46 * Variables
kadonotakashi 0:8fdf9a60065b 47 ******************************************************************************/
kadonotakashi 0:8fdf9a60065b 48 /*! @brief Pointers to PIT bases for each instance. */
kadonotakashi 0:8fdf9a60065b 49 static PIT_Type *const s_pitBases[] = PIT_BASE_PTRS;
kadonotakashi 0:8fdf9a60065b 50
kadonotakashi 0:8fdf9a60065b 51 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
kadonotakashi 0:8fdf9a60065b 52 /*! @brief Pointers to PIT clocks for each instance. */
kadonotakashi 0:8fdf9a60065b 53 static const clock_ip_name_t s_pitClocks[] = PIT_CLOCKS;
kadonotakashi 0:8fdf9a60065b 54 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
kadonotakashi 0:8fdf9a60065b 55
kadonotakashi 0:8fdf9a60065b 56 /*******************************************************************************
kadonotakashi 0:8fdf9a60065b 57 * Code
kadonotakashi 0:8fdf9a60065b 58 ******************************************************************************/
kadonotakashi 0:8fdf9a60065b 59 static uint32_t PIT_GetInstance(PIT_Type *base)
kadonotakashi 0:8fdf9a60065b 60 {
kadonotakashi 0:8fdf9a60065b 61 uint32_t instance;
kadonotakashi 0:8fdf9a60065b 62
kadonotakashi 0:8fdf9a60065b 63 /* Find the instance index from base address mappings. */
kadonotakashi 0:8fdf9a60065b 64 for (instance = 0; instance < FSL_FEATURE_SOC_PIT_COUNT; instance++)
kadonotakashi 0:8fdf9a60065b 65 {
kadonotakashi 0:8fdf9a60065b 66 if (s_pitBases[instance] == base)
kadonotakashi 0:8fdf9a60065b 67 {
kadonotakashi 0:8fdf9a60065b 68 break;
kadonotakashi 0:8fdf9a60065b 69 }
kadonotakashi 0:8fdf9a60065b 70 }
kadonotakashi 0:8fdf9a60065b 71
kadonotakashi 0:8fdf9a60065b 72 assert(instance < FSL_FEATURE_SOC_PIT_COUNT);
kadonotakashi 0:8fdf9a60065b 73
kadonotakashi 0:8fdf9a60065b 74 return instance;
kadonotakashi 0:8fdf9a60065b 75 }
kadonotakashi 0:8fdf9a60065b 76
kadonotakashi 0:8fdf9a60065b 77 void PIT_Init(PIT_Type *base, const pit_config_t *config)
kadonotakashi 0:8fdf9a60065b 78 {
kadonotakashi 0:8fdf9a60065b 79 assert(config);
kadonotakashi 0:8fdf9a60065b 80
kadonotakashi 0:8fdf9a60065b 81 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
kadonotakashi 0:8fdf9a60065b 82 /* Ungate the PIT clock*/
kadonotakashi 0:8fdf9a60065b 83 CLOCK_EnableClock(s_pitClocks[PIT_GetInstance(base)]);
kadonotakashi 0:8fdf9a60065b 84 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
kadonotakashi 0:8fdf9a60065b 85
kadonotakashi 0:8fdf9a60065b 86 /* Enable PIT timers */
kadonotakashi 0:8fdf9a60065b 87 base->MCR &= ~PIT_MCR_MDIS_MASK;
kadonotakashi 0:8fdf9a60065b 88
kadonotakashi 0:8fdf9a60065b 89 /* Config timer operation when in debug mode */
kadonotakashi 0:8fdf9a60065b 90 if (config->enableRunInDebug)
kadonotakashi 0:8fdf9a60065b 91 {
kadonotakashi 0:8fdf9a60065b 92 base->MCR &= ~PIT_MCR_FRZ_MASK;
kadonotakashi 0:8fdf9a60065b 93 }
kadonotakashi 0:8fdf9a60065b 94 else
kadonotakashi 0:8fdf9a60065b 95 {
kadonotakashi 0:8fdf9a60065b 96 base->MCR |= PIT_MCR_FRZ_MASK;
kadonotakashi 0:8fdf9a60065b 97 }
kadonotakashi 0:8fdf9a60065b 98 }
kadonotakashi 0:8fdf9a60065b 99
kadonotakashi 0:8fdf9a60065b 100 void PIT_Deinit(PIT_Type *base)
kadonotakashi 0:8fdf9a60065b 101 {
kadonotakashi 0:8fdf9a60065b 102 /* Disable PIT timers */
kadonotakashi 0:8fdf9a60065b 103 base->MCR |= PIT_MCR_MDIS_MASK;
kadonotakashi 0:8fdf9a60065b 104
kadonotakashi 0:8fdf9a60065b 105 #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
kadonotakashi 0:8fdf9a60065b 106 /* Gate the PIT clock*/
kadonotakashi 0:8fdf9a60065b 107 CLOCK_DisableClock(s_pitClocks[PIT_GetInstance(base)]);
kadonotakashi 0:8fdf9a60065b 108 #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
kadonotakashi 0:8fdf9a60065b 109 }
kadonotakashi 0:8fdf9a60065b 110
kadonotakashi 0:8fdf9a60065b 111 #if defined(FSL_FEATURE_PIT_HAS_LIFETIME_TIMER) && FSL_FEATURE_PIT_HAS_LIFETIME_TIMER
kadonotakashi 0:8fdf9a60065b 112
kadonotakashi 0:8fdf9a60065b 113 uint64_t PIT_GetLifetimeTimerCount(PIT_Type *base)
kadonotakashi 0:8fdf9a60065b 114 {
kadonotakashi 0:8fdf9a60065b 115 uint32_t valueH = 0U;
kadonotakashi 0:8fdf9a60065b 116 uint32_t valueL = 0U;
kadonotakashi 0:8fdf9a60065b 117
kadonotakashi 0:8fdf9a60065b 118 /* LTMR64H should be read before LTMR64L */
kadonotakashi 0:8fdf9a60065b 119 valueH = base->LTMR64H;
kadonotakashi 0:8fdf9a60065b 120 valueL = base->LTMR64L;
kadonotakashi 0:8fdf9a60065b 121
kadonotakashi 0:8fdf9a60065b 122 return (((uint64_t)valueH << 32U) + (uint64_t)(valueL));
kadonotakashi 0:8fdf9a60065b 123 }
kadonotakashi 0:8fdf9a60065b 124
kadonotakashi 0:8fdf9a60065b 125 #endif /* FSL_FEATURE_PIT_HAS_LIFETIME_TIMER */