FreeCalypso > hg > fc-tourmaline

comparison src/cs/drivers/drv_app/buzzer/buzzer.c @ 269:4f839e1991e8

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.../drv_app/buzzer/buzzer.[ch]: rm trailing white space
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:28:01 +0000
parents 4e78acac3d88
children 4f59ca578891
comparison
equal deleted inserted replaced
268:f2e52cab0a73 269:4f839e1991e8
16 #include "buzzer.h" 16 #include "buzzer.h"
17 #include "timer/timer.h" 17 #include "timer/timer.h"
18 18
19 #include "board.cfg" 19 #include "board.cfg"
20 20
21 /* 21 /*
22 * Initialize buzzer 22 * Initialize buzzer
23 * 23 *
24 */ 24 */
25 void BZ_Init(void) 25 void BZ_Init(void)
26 { 26 {
27 } 27 }
28 28
29 /* 29 /*
30 * BZ_Enable / BZ_Disable 30 * BZ_Enable / BZ_Disable
31 * 31 *
32 * Enable / disable buzzer 32 * Enable / disable buzzer
33 * 33 *
34 * The buzzer uses timer 1 34 * The buzzer uses timer 1
35 */ 35 */
36 void BZ_Enable(void) 36 void BZ_Enable(void)
37 { 37 {
38 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= BZ_ON; 38 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= BZ_ON;
39 } 39 }
40 40
41 void BZ_Disable(void) 41 void BZ_Disable(void)
42 { 42 {
43 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) &= ~BZ_ON; 43 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) &= ~BZ_ON;
44 } 44 }
45 45
46 /* 46 /*
47 * BZ_Tone 47 * BZ_Tone
48 * 48 *
49 * Changes the timer count to set the tone frequency in Hz 49 * Changes the timer count to set the tone frequency in Hz
50 * 50 *
51 * 58 ticks= 1 ms, which give a frequency of 500 Hz 51 * 58 ticks= 1 ms, which give a frequency of 500 Hz
52 * 52 *
53 * 53 *
54 */ 54 */
55 void BZ_Tone(int f) 55 void BZ_Tone(int f)
61 *((volatile SYS_UWORD16 *) ARMIO_LOAD_TIM) = f; 61 *((volatile SYS_UWORD16 *) ARMIO_LOAD_TIM) = f;
62 } 62 }
63 63
64 /* 64 /*
65 * BZ_Volume 65 * BZ_Volume
66 * 66 *
67 * Changes the buzzer volume 67 * Changes the buzzer volume
68 * 68 *
69 */ 69 */
70 void BZ_Volume(int v) 70 void BZ_Volume(int v)
71 { 71 {
72 // the level range is 0 up to 63 72 // the level range is 0 up to 63
73 if (v > 63) 73 if (v > 63)
77 *((volatile SYS_UWORD16 *) BZ_LEVEL) = v; 77 *((volatile SYS_UWORD16 *) BZ_LEVEL) = v;
78 } 78 }
79 79
80 /* 80 /*
81 * BZ_KeyBeep_ON 81 * BZ_KeyBeep_ON
82 * 82 *
83 * Audio feedback to user after keybeep 83 * Audio feedback to user after keybeep
84 * 84 *
85 */ 85 */
86 void BZ_KeyBeep_ON(void) 86 void BZ_KeyBeep_ON(void)
87 { 87 {
89 89
90 BZ_Init (); 90 BZ_Init ();
91 BZ_Volume (255); 91 BZ_Volume (255);
92 BZ_Enable (); 92 BZ_Enable ();
93 BZ_Tone (50); 93 BZ_Tone (50);
94 94
95 for (i = 0; i < 17000; i++) 95 for (i = 0; i < 17000; i++)
96 ; 96 ;
97 97
98 BZ_Disable (); 98 BZ_Disable ();
99 } 99 }
100 100
101 101
102 102
103 /* 103 /*
104 * BZ_KeyBeep_OFF 104 * BZ_KeyBeep_OFF
105 * 105 *
106 * Audio feedback to user after keybeep 106 * Audio feedback to user after keybeep
107 * 107 *
108 */ 108 */
109 void BZ_KeyBeep_OFF(void) 109 void BZ_KeyBeep_OFF(void)
110 { 110 {
112 112
113 BZ_Init (); 113 BZ_Init ();
114 BZ_Volume (255); 114 BZ_Volume (255);
115 BZ_Enable (); 115 BZ_Enable ();
116 BZ_Tone (100); 116 BZ_Tone (100);
117 117
118 for (i = 0; i < 17000; i++) 118 for (i = 0; i < 17000; i++)
119 ; 119 ;
120 120
121 BZ_Disable (); 121 BZ_Disable ();
122 } 122 }
123 123
124 124
125 125
126 /* 126 /*
127 * LT_Enable / LT_Disable 127 * LT_Enable / LT_Disable
128 * 128 *
129 * Enable / disable LCD lighting 129 * Enable / disable LCD lighting
130 * 130 *
131 */ 131 */
132 void LT_Enable(void) 132 void LT_Enable(void)
133 { 133 {
134 #if (BOARD == 7 || BOARD == 8 || BOARD == 9) 134 #if (BOARD == 7 || BOARD == 8 || BOARD == 9)
135 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= LT_ON; 135 *((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) |= LT_ON;
143 } 143 }
144 144
145 145
146 /* 146 /*
147 * LT_Level 147 * LT_Level
148 * 148 *
149 * Set LCD display level 149 * Set LCD display level
150 */ 150 */
151 void LT_Level(SYS_WORD8 level) 151 void LT_Level(SYS_WORD8 level)
152 { 152 {
153 if (level > 63) level=63; 153 if (level > 63) level=63;
157 } 157 }
158 158
159 159
160 /* 160 /*
161 * LT_Status 161 * LT_Status
162 * 162 *
163 * Return lighting status for sleep manager 163 * Return lighting status for sleep manager
164 * 164 *
165 */ 165 */
166 SYS_BOOL LT_Status(void) 166 SYS_BOOL LT_Status(void)
167 { 167 {
168 #if (BOARD == 7 || BOARD == 8 || BOARD == 9) 168 #if (BOARD == 7 || BOARD == 8 || BOARD == 9)
169 if (*((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) & LT_ON) 169 if (*((volatile SYS_UWORD16 *) ARMIO_PWM_CNTL) & LT_ON)
170 return(1); // the light is on 170 return(1); // the light is on
171 else 171 else
172 return(0); 172 return(0);
173 #endif 173 #endif
174 174
175 return(0); 175 return(0);
176 176
177 } 177 }