mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_NUVOTON/TARGET_NANO100/device/StdDriver/nano100_ebi.c@174:b96e65c34a4d, 2017-10-02 (annotated)

Committer:
AnnaBridge
Date:
Mon Oct 02 15:33:19 2017 +0100
Revision:
174:b96e65c34a4d
This updates the lib to the mbed lib v 152

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 174:b96e65c34a4d 1 /****************************************************************************//**
AnnaBridge 174:b96e65c34a4d 2 * @file ebi.c
AnnaBridge 174:b96e65c34a4d 3 * @version V0.10
AnnaBridge 174:b96e65c34a4d 4 * $Revision: 3 $
AnnaBridge 174:b96e65c34a4d 5 * $Date: 14/02/05 10:36a $
AnnaBridge 174:b96e65c34a4d 6 * @brief NANO100 series EBI driver source file
AnnaBridge 174:b96e65c34a4d 7 *
AnnaBridge 174:b96e65c34a4d 8 * @note
AnnaBridge 174:b96e65c34a4d 9 * Copyright (C) 2013 Nuvoton Technology Corp. All rights reserved.
AnnaBridge 174:b96e65c34a4d 10 *****************************************************************************/
AnnaBridge 174:b96e65c34a4d 11 #include "Nano100Series.h"
AnnaBridge 174:b96e65c34a4d 12 //#include "ebi.h"
AnnaBridge 174:b96e65c34a4d 13
AnnaBridge 174:b96e65c34a4d 14
AnnaBridge 174:b96e65c34a4d 15 /** @addtogroup NANO100_Device_Driver NANO100 Device Driver
AnnaBridge 174:b96e65c34a4d 16 @{
AnnaBridge 174:b96e65c34a4d 17 */
AnnaBridge 174:b96e65c34a4d 18
AnnaBridge 174:b96e65c34a4d 19 /** @addtogroup NANO100_EBI_Driver EBI Driver
AnnaBridge 174:b96e65c34a4d 20 @{
AnnaBridge 174:b96e65c34a4d 21 */
AnnaBridge 174:b96e65c34a4d 22
AnnaBridge 174:b96e65c34a4d 23
AnnaBridge 174:b96e65c34a4d 24 /** @addtogroup NANO100_EBI_EXPORTED_FUNCTIONS EBI Exported Functions
AnnaBridge 174:b96e65c34a4d 25 @{
AnnaBridge 174:b96e65c34a4d 26 */
AnnaBridge 174:b96e65c34a4d 27
AnnaBridge 174:b96e65c34a4d 28 /**
AnnaBridge 174:b96e65c34a4d 29 * @brief Initialize and enable EBI
AnnaBridge 174:b96e65c34a4d 30 * @param[in] u32Bank argument is reserved in NANO100 series.
AnnaBridge 174:b96e65c34a4d 31 * @param[in] u32DataWidth Data bus width. Valid values are:
AnnaBridge 174:b96e65c34a4d 32 * - \ref EBI_BUSWIDTH_8BIT
AnnaBridge 174:b96e65c34a4d 33 * - \ref EBI_BUSWIDTH_16BIT
AnnaBridge 174:b96e65c34a4d 34 * @param[in] u32TimingClass Default timing configuration. Valid values are:
AnnaBridge 174:b96e65c34a4d 35 * - \ref EBI_TIMING_FASTEST
AnnaBridge 174:b96e65c34a4d 36 * - \ref EBI_TIMING_VERYFAST
AnnaBridge 174:b96e65c34a4d 37 * - \ref EBI_TIMING_FAST
AnnaBridge 174:b96e65c34a4d 38 * - \ref EBI_TIMING_NORMAL
AnnaBridge 174:b96e65c34a4d 39 * - \ref EBI_TIMING_SLOW
AnnaBridge 174:b96e65c34a4d 40 * - \ref EBI_TIMING_VERYSLOW
AnnaBridge 174:b96e65c34a4d 41 * - \ref EBI_TIMING_SLOWEST
AnnaBridge 174:b96e65c34a4d 42 * @param[in] u32BusMode argument is reserved in NANO100 series.
AnnaBridge 174:b96e65c34a4d 43 * @param[in] u32CSActiveLevel argument is reserved in NANO100 series.
AnnaBridge 174:b96e65c34a4d 44 * @return none
AnnaBridge 174:b96e65c34a4d 45 */
AnnaBridge 174:b96e65c34a4d 46 void EBI_Open(uint32_t u32Bank, uint32_t u32DataWidth, uint32_t u32TimingClass, uint32_t u32BusMode, uint32_t u32CSActiveLevel)
AnnaBridge 174:b96e65c34a4d 47 {
AnnaBridge 174:b96e65c34a4d 48 EBI->EBICON = 0;
AnnaBridge 174:b96e65c34a4d 49
AnnaBridge 174:b96e65c34a4d 50 if (u32DataWidth == EBI_BUSWIDTH_8BIT)
AnnaBridge 174:b96e65c34a4d 51 EBI->EBICON &= ~EBI_EBICON_ExtBW16_Msk;
AnnaBridge 174:b96e65c34a4d 52 else
AnnaBridge 174:b96e65c34a4d 53 EBI->EBICON |= EBI_EBICON_ExtBW16_Msk;
AnnaBridge 174:b96e65c34a4d 54
AnnaBridge 174:b96e65c34a4d 55 EBI->EBICON &= ~(EBI_EBICON_ExttALE_Msk | EBI_EBICON_MCLKDIV_Msk);
AnnaBridge 174:b96e65c34a4d 56 switch (u32TimingClass) {
AnnaBridge 174:b96e65c34a4d 57 case EBI_TIMING_FASTEST:
AnnaBridge 174:b96e65c34a4d 58 EBI->EBICON |= (0 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 59 EBI->EBICON |= (EBI_MCLKDIV_1 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 60 EBI->EXTIME = 0;
AnnaBridge 174:b96e65c34a4d 61 break;
AnnaBridge 174:b96e65c34a4d 62
AnnaBridge 174:b96e65c34a4d 63 case EBI_TIMING_VERYFAST:
AnnaBridge 174:b96e65c34a4d 64 EBI->EBICON |= (1 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 65 EBI->EBICON |= (EBI_MCLKDIV_2 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 66 EBI->EXTIME = (4 << EBI_EXTIME_ExttACC_Pos) | (1 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 67 (2 << EBI_EXTIME_ExtIW2X_Pos) | (2 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 68 (2 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 69 break;
AnnaBridge 174:b96e65c34a4d 70
AnnaBridge 174:b96e65c34a4d 71 case EBI_TIMING_FAST:
AnnaBridge 174:b96e65c34a4d 72 EBI->EBICON |= (2 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 73 EBI->EBICON |= (EBI_MCLKDIV_4 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 74 EBI->EXTIME = (8 << EBI_EXTIME_ExttACC_Pos) | (2 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 75 (4 << EBI_EXTIME_ExtIW2X_Pos) | (4 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 76 (4 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 77 break;
AnnaBridge 174:b96e65c34a4d 78
AnnaBridge 174:b96e65c34a4d 79 case EBI_TIMING_NORMAL:
AnnaBridge 174:b96e65c34a4d 80 EBI->EBICON |= (3 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 81 EBI->EBICON |= (EBI_MCLKDIV_8 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 82 EBI->EXTIME = (16 << EBI_EXTIME_ExttACC_Pos) | (3 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 83 (8 << EBI_EXTIME_ExtIW2X_Pos) | (8 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 84 (8 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 85 break;
AnnaBridge 174:b96e65c34a4d 86
AnnaBridge 174:b96e65c34a4d 87 case EBI_TIMING_SLOW:
AnnaBridge 174:b96e65c34a4d 88 EBI->EBICON |= (4 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 89 EBI->EBICON |= (EBI_MCLKDIV_16 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 90 EBI->EXTIME = (20 << EBI_EXTIME_ExttACC_Pos) | (4 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 91 (12 << EBI_EXTIME_ExtIW2X_Pos) | (12 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 92 (12 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 93 break;
AnnaBridge 174:b96e65c34a4d 94
AnnaBridge 174:b96e65c34a4d 95 case EBI_TIMING_VERYSLOW:
AnnaBridge 174:b96e65c34a4d 96 EBI->EBICON |= (5 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 97 EBI->EBICON |= (EBI_MCLKDIV_32 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 98 EBI->EXTIME = (26 << EBI_EXTIME_ExttACC_Pos) | (5 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 99 (14 << EBI_EXTIME_ExtIW2X_Pos) | (14 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 100 (14 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 101 break;
AnnaBridge 174:b96e65c34a4d 102
AnnaBridge 174:b96e65c34a4d 103 case EBI_TIMING_SLOWEST:
AnnaBridge 174:b96e65c34a4d 104 EBI->EBICON |= (6 << EBI_EBICON_ExttALE_Pos);
AnnaBridge 174:b96e65c34a4d 105 EBI->EBICON |= (EBI_MCLKDIV_32 << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 106 EBI->EXTIME = (31 << EBI_EXTIME_ExttACC_Pos) | (7 << EBI_EXTIME_ExttAHD_Pos) |
AnnaBridge 174:b96e65c34a4d 107 (15 << EBI_EXTIME_ExtIW2X_Pos) | (15 << EBI_EXTIME_ExtIR2W_Pos) |
AnnaBridge 174:b96e65c34a4d 108 (15 << EBI_EXTIME_ExtIR2R_Pos);
AnnaBridge 174:b96e65c34a4d 109 break;
AnnaBridge 174:b96e65c34a4d 110 }
AnnaBridge 174:b96e65c34a4d 111
AnnaBridge 174:b96e65c34a4d 112 EBI->EBICON |= EBI_EBICON_MCLKEN_Msk | EBI_EBICON_ExtEN_Msk;
AnnaBridge 174:b96e65c34a4d 113 }
AnnaBridge 174:b96e65c34a4d 114
AnnaBridge 174:b96e65c34a4d 115 /**
AnnaBridge 174:b96e65c34a4d 116 * @brief Disable EBI
AnnaBridge 174:b96e65c34a4d 117 * @param[in] u32Bank argument is reserved in NANO100 series.
AnnaBridge 174:b96e65c34a4d 118 * @return none
AnnaBridge 174:b96e65c34a4d 119 */
AnnaBridge 174:b96e65c34a4d 120 void EBI_Close(uint8_t u32Bank)
AnnaBridge 174:b96e65c34a4d 121 {
AnnaBridge 174:b96e65c34a4d 122 EBI->EBICON = 0;
AnnaBridge 174:b96e65c34a4d 123 EBI->EXTIME = 0;
AnnaBridge 174:b96e65c34a4d 124 }
AnnaBridge 174:b96e65c34a4d 125
AnnaBridge 174:b96e65c34a4d 126 /**
AnnaBridge 174:b96e65c34a4d 127 * @brief Set EBI bus timings
AnnaBridge 174:b96e65c34a4d 128 * @param[in] u32Bank argument is reserved in NANO100 series.
AnnaBridge 174:b96e65c34a4d 129 * @param[in] u32TimingConfig The new EBI timing settings. This value will be written to EXTIME register.
AnnaBridge 174:b96e65c34a4d 130 * @param[in] u32MclkDiv Divider for MCLK. Valid values are:
AnnaBridge 174:b96e65c34a4d 131 * - \ref EBI_MCLKDIV_1
AnnaBridge 174:b96e65c34a4d 132 * - \ref EBI_MCLKDIV_2
AnnaBridge 174:b96e65c34a4d 133 * - \ref EBI_MCLKDIV_4
AnnaBridge 174:b96e65c34a4d 134 * - \ref EBI_MCLKDIV_8
AnnaBridge 174:b96e65c34a4d 135 * - \ref EBI_MCLKDIV_16
AnnaBridge 174:b96e65c34a4d 136 * - \ref EBI_MCLKDIV_32
AnnaBridge 174:b96e65c34a4d 137 * @return none
AnnaBridge 174:b96e65c34a4d 138 */
AnnaBridge 174:b96e65c34a4d 139 void EBI_SetBusTiming(uint32_t u32Bank, uint32_t u32TimingConfig, uint32_t u32MclkDiv)
AnnaBridge 174:b96e65c34a4d 140 {
AnnaBridge 174:b96e65c34a4d 141 EBI->EXTIME = u32TimingConfig;
AnnaBridge 174:b96e65c34a4d 142 EBI->EBICON = (EBI->EBICON & ~EBI_EBICON_MCLKDIV_Msk) | (u32MclkDiv << EBI_EBICON_MCLKDIV_Pos);
AnnaBridge 174:b96e65c34a4d 143 }
AnnaBridge 174:b96e65c34a4d 144
AnnaBridge 174:b96e65c34a4d 145
AnnaBridge 174:b96e65c34a4d 146 /*@}*/ /* end of group NANO100_EBI_EXPORTED_FUNCTIONS */
AnnaBridge 174:b96e65c34a4d 147
AnnaBridge 174:b96e65c34a4d 148 /*@}*/ /* end of group NANO100_EBI_Driver */
AnnaBridge 174:b96e65c34a4d 149
AnnaBridge 174:b96e65c34a4d 150 /*@}*/ /* end of group NANO100_Device_Driver */
AnnaBridge 174:b96e65c34a4d 151
AnnaBridge 174:b96e65c34a4d 152 /*** (C) COPYRIGHT 2014 Nuvoton Technology Corp. ***/