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annotate bsp/timer2.c @ 6:ada79372df56

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L1/audio_include/l1audio_msgty.h: #include path fix
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 09 Jun 2016 01:17:36 +0000
parents 75a11d740a02
children
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1 /******************************************************************************
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2 TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION
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3
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4 Property of Texas Instruments -- For Unrestricted Internal Use Only
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5 Unauthorized reproduction and/or distribution is strictly prohibited. This
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6 product is protected under copyright law and trade secret law as an
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7 unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All
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8 rights reserved.
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11 Filename : timer2.c
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13 Description : Set of useful functions for TIMER module test cases
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15 Project : drivers
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17 Author : pmonteil@tif.ti.com Patrice Monteil.
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18 Version number : 1.3
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20 Date and time : 08/18/00 14:42:39
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22 Previous delta : 07/10/00 16:15:18
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24 SCCS file : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.timer2.c
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26 Sccs Id (SID) : '@(#) timer2.c 1.3 08/18/00 14:42:39 '
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30 *****************************************************************************/
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32 #include "../include/sys_types.h"
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34 #include "mem.h"
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35 #include "timer2.h"
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37 /*--------------------------------------------------------------*/
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38 /* Dtimer2_Get_cntlreg() */
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39 /*--------------------------------------------------------------*/
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40 /* Parameters : none */
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41 /* Return : none */
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42 /* Functionality : read one of the TIMER register */
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43 /*--------------------------------------------------------------*/
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45 SYS_UWORD16 Dtimer2_Get_cntlreg(void)
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46 {
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47 SYS_UWORD16 timerReg;
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49 timerReg = (( * (volatile SYS_UWORD16 *) D_TIMER_CNTL) & D_TIMER_CNTL_MASK);
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50 return(timerReg);
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51 }
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54 /*--------------------------------------------------------------*/
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55 /* Dtimer2_Init_cntl() */
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56 /*--------------------------------------------------------------*/
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57 /* Parameters :start/stop,reload yes/no,pre scale,ext clk on/off*/
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58 /* Return : none */
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59 /* Functionality : initialize the timer start, autoreload, Ptv */
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60 /* and clock enable */
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61 /*--------------------------------------------------------------*/
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63 void Dtimer2_Init_cntl (SYS_UWORD16 St, SYS_UWORD16 Reload, SYS_UWORD16 clockScale, SYS_UWORD16 clkon)
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64 {
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65 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;
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66
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67
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68 cntl &= ~(D_TIMER_ST | D_TIMER_PTV); /* stop and reset values */
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70 (Reload) ? (cntl |= D_TIMER_AR) : (cntl &= ~D_TIMER_AR);
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72 cntl |= (clockScale << 2 );
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74 cntl |= ( clkon << 5 );
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77 * (volatile SYS_UWORD16 *) D_TIMER_LOAD = St;
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79 * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
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80 }
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82 /*--------------------------------------------------------------*/
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83 /* Dtimer2_AR() */
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84 /*--------------------------------------------------------------*/
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85 /* Parameters :start/stop,reload yes/no,pre scale,ext clk on/off*/
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86 /* Return : none */
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87 /* Functionality : set the AR bit Ar = 0 | 1 */
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88 /*--------------------------------------------------------------*/
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90 void Dtimer2_AR(SYS_UWORD16 Ar)
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91 {
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92 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;
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94 cntl &= ~(D_TIMER_ST); /* stop the timer */
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96 cntl &= ~(D_TIMER_AR);
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98 cntl |= ( Ar << 1 );
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99
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100 * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
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101 }
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103 /*--------------------------------------------------------------*/
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104 /* Dtimer2_PTV() */
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105 /*--------------------------------------------------------------*/
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106 /* Parameters : pre scale */
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107 /* Return : none */
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108 /* Functionality : set the Ptv bits Ptv = 0 => 7 */
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109 /*--------------------------------------------------------------*/
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110
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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111 void Dtimer2_PTV(SYS_UWORD16 Ptv)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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112 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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113 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;
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parents:
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114
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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115 cntl &= ~(D_TIMER_ST); /* stop the timer */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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116
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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117 cntl &= ~(D_TIMER_PTV); /* Ptv[4:0] set to 0 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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118
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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119 cntl |= ( Ptv << 2 );
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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120
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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121 * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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122 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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123
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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124 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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125 /* Dtimer1_Clken() */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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126 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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127 /* Parameters : ext clk on/off */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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128 /* Return : none */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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129 /* Functionality : set the clock_enable bit En = 0 | 1 */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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131
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 void Dtimer2_Clken(SYS_UWORD16 En)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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133 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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134 SYS_UWORD16 cntl = * (volatile SYS_UWORD16 *) D_TIMER_CNTL;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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135
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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136 cntl &= ( ~D_TIMER_CLK_EN);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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137
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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138 cntl |= ( En << 5 );
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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139
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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140 * (volatile SYS_UWORD16 *) D_TIMER_CNTL = cntl;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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142
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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143
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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144
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
145 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
146 /* Dtimer2_Start() */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
147 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
148 /* Parameters : on/off */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
149 /* Return : none */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
150 /* Functionality : Start or stop the timer */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
151 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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152
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
153 void Dtimer2_Start (SYS_UWORD16 startStop)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
154 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
155 (startStop == D_TIMER_ST) ?
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
156 ((* (SYS_UWORD16 *) D_TIMER_CNTL) |= D_TIMER_ST) : /* condition vrai */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
157 ((* (SYS_UWORD16 *) D_TIMER_CNTL) &= ~D_TIMER_ST); /* condition fausse */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
158 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
159
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
160 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
161 /* Dtimer2_ReadValue() */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
162 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
163 /* Parameters : on/off */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
164 /* Return : none */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
165 /* Functionality : Read timer value */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
166 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
167
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
168 SYS_UWORD16 Dtimer2_ReadValue (void)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
169 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
170 return(* (SYS_UWORD16 *) D_TIMER_READ);
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
171 }
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
172
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
173 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
174 /* Parameters : on/off */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
175 /* Return : none */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
176 /* Functionality : Write timer value */
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
177 /*--------------------------------------------------------------*/
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
178
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
179 void Dtimer2_WriteValue (SYS_UWORD16 value)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
180 {
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
181 (* (SYS_UWORD16 *) D_TIMER_LOAD) = value;
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
182 }