Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
USBDEV/USBAudio/adcuser.c@0:bf7b9fba3924, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 05:38:56 2011 +0000
- Revision:
- 0:bf7b9fba3924
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| frank26080115 | 0:bf7b9fba3924 | 1 | /*---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 2 | * U S B - K e r n e l |
| frank26080115 | 0:bf7b9fba3924 | 3 | *---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 4 | * Name: ADCUSER.C |
| frank26080115 | 0:bf7b9fba3924 | 5 | * Purpose: Audio Device Class Custom User Module |
| frank26080115 | 0:bf7b9fba3924 | 6 | * Version: V1.10 |
| frank26080115 | 0:bf7b9fba3924 | 7 | *---------------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 8 | * This software is supplied "AS IS" without any warranties, express, |
| frank26080115 | 0:bf7b9fba3924 | 9 | * implied or statutory, including but not limited to the implied |
| frank26080115 | 0:bf7b9fba3924 | 10 | * warranties of fitness for purpose, satisfactory quality and |
| frank26080115 | 0:bf7b9fba3924 | 11 | * noninfringement. Keil extends you a royalty-free right to reproduce |
| frank26080115 | 0:bf7b9fba3924 | 12 | * and distribute executable files created using this software for use |
| frank26080115 | 0:bf7b9fba3924 | 13 | * on NXP Semiconductors LPC family microcontroller devices only. Nothing |
| frank26080115 | 0:bf7b9fba3924 | 14 | * else gives you the right to use this software. |
| frank26080115 | 0:bf7b9fba3924 | 15 | * |
| frank26080115 | 0:bf7b9fba3924 | 16 | * Copyright (c) 2009 Keil - An ARM Company. All rights reserved. |
| frank26080115 | 0:bf7b9fba3924 | 17 | *---------------------------------------------------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 18 | |
| frank26080115 | 0:bf7b9fba3924 | 19 | #include "lpc_types.h" |
| frank26080115 | 0:bf7b9fba3924 | 20 | |
| frank26080115 | 0:bf7b9fba3924 | 21 | #include "usb.h" |
| frank26080115 | 0:bf7b9fba3924 | 22 | #include "audio.h" |
| frank26080115 | 0:bf7b9fba3924 | 23 | #include "usbcfg.h" |
| frank26080115 | 0:bf7b9fba3924 | 24 | #include "usbcore.h" |
| frank26080115 | 0:bf7b9fba3924 | 25 | #include "adcuser.h" |
| frank26080115 | 0:bf7b9fba3924 | 26 | |
| frank26080115 | 0:bf7b9fba3924 | 27 | #include "usbaudio.h" |
| frank26080115 | 0:bf7b9fba3924 | 28 | |
| frank26080115 | 0:bf7b9fba3924 | 29 | uint16_t VolCur = 0x0100; /* Volume Current Value */ |
| frank26080115 | 0:bf7b9fba3924 | 30 | const uint16_t VolMin = 0x0000; /* Volume Minimum Value */ |
| frank26080115 | 0:bf7b9fba3924 | 31 | const uint16_t VolMax = 0x0100; /* Volume Maximum Value */ |
| frank26080115 | 0:bf7b9fba3924 | 32 | const uint16_t VolRes = 0x0004; /* Volume Resolution */ |
| frank26080115 | 0:bf7b9fba3924 | 33 | |
| frank26080115 | 0:bf7b9fba3924 | 34 | /* |
| frank26080115 | 0:bf7b9fba3924 | 35 | * Audio Device Class Interface Get Request Callback |
| frank26080115 | 0:bf7b9fba3924 | 36 | * Called automatically on ADC Interface Get Request |
| frank26080115 | 0:bf7b9fba3924 | 37 | * Parameters: None (global SetupPacket and EP0Buf) |
| frank26080115 | 0:bf7b9fba3924 | 38 | * Return Value: TRUE - Success, FALSE - Error |
| frank26080115 | 0:bf7b9fba3924 | 39 | */ |
| frank26080115 | 0:bf7b9fba3924 | 40 | |
| frank26080115 | 0:bf7b9fba3924 | 41 | uint32_t ADC_IF_GetRequest (void) { |
| frank26080115 | 0:bf7b9fba3924 | 42 | |
| frank26080115 | 0:bf7b9fba3924 | 43 | /* |
| frank26080115 | 0:bf7b9fba3924 | 44 | Interface = SetupPacket.wIndex.WB.L; |
| frank26080115 | 0:bf7b9fba3924 | 45 | EntityID = SetupPacket.wIndex.WB.H; |
| frank26080115 | 0:bf7b9fba3924 | 46 | Request = SetupPacket.bRequest; |
| frank26080115 | 0:bf7b9fba3924 | 47 | Value = SetupPacket.wValue.W; |
| frank26080115 | 0:bf7b9fba3924 | 48 | ... |
| frank26080115 | 0:bf7b9fba3924 | 49 | */ |
| frank26080115 | 0:bf7b9fba3924 | 50 | |
| frank26080115 | 0:bf7b9fba3924 | 51 | if (SetupPacket.wIndex.W == 0x0200) { |
| frank26080115 | 0:bf7b9fba3924 | 52 | /* Feature Unit: Interface = 0, ID = 2 */ |
| frank26080115 | 0:bf7b9fba3924 | 53 | if (SetupPacket.wValue.WB.L == 0) { |
| frank26080115 | 0:bf7b9fba3924 | 54 | /* Master Channel */ |
| frank26080115 | 0:bf7b9fba3924 | 55 | switch (SetupPacket.wValue.WB.H) { |
| frank26080115 | 0:bf7b9fba3924 | 56 | case AUDIO_MUTE_CONTROL: |
| frank26080115 | 0:bf7b9fba3924 | 57 | switch (SetupPacket.bRequest) { |
| frank26080115 | 0:bf7b9fba3924 | 58 | case AUDIO_REQUEST_GET_CUR: |
| frank26080115 | 0:bf7b9fba3924 | 59 | EP0Buf[0] = Mute; |
| frank26080115 | 0:bf7b9fba3924 | 60 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 61 | } |
| frank26080115 | 0:bf7b9fba3924 | 62 | break; |
| frank26080115 | 0:bf7b9fba3924 | 63 | case AUDIO_VOLUME_CONTROL: |
| frank26080115 | 0:bf7b9fba3924 | 64 | switch (SetupPacket.bRequest) { |
| frank26080115 | 0:bf7b9fba3924 | 65 | case AUDIO_REQUEST_GET_CUR: |
| frank26080115 | 0:bf7b9fba3924 | 66 | *((__packed uint16_t *)EP0Buf) = VolCur; |
| frank26080115 | 0:bf7b9fba3924 | 67 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 68 | case AUDIO_REQUEST_GET_MIN: |
| frank26080115 | 0:bf7b9fba3924 | 69 | *((__packed uint16_t *)EP0Buf) = VolMin; |
| frank26080115 | 0:bf7b9fba3924 | 70 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 71 | case AUDIO_REQUEST_GET_MAX: |
| frank26080115 | 0:bf7b9fba3924 | 72 | *((__packed uint16_t *)EP0Buf) = VolMax; |
| frank26080115 | 0:bf7b9fba3924 | 73 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 74 | case AUDIO_REQUEST_GET_RES: |
| frank26080115 | 0:bf7b9fba3924 | 75 | *((__packed uint16_t *)EP0Buf) = VolRes; |
| frank26080115 | 0:bf7b9fba3924 | 76 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 77 | } |
| frank26080115 | 0:bf7b9fba3924 | 78 | break; |
| frank26080115 | 0:bf7b9fba3924 | 79 | } |
| frank26080115 | 0:bf7b9fba3924 | 80 | } |
| frank26080115 | 0:bf7b9fba3924 | 81 | } |
| frank26080115 | 0:bf7b9fba3924 | 82 | return (FALSE); /* Not Supported */ |
| frank26080115 | 0:bf7b9fba3924 | 83 | } |
| frank26080115 | 0:bf7b9fba3924 | 84 | |
| frank26080115 | 0:bf7b9fba3924 | 85 | |
| frank26080115 | 0:bf7b9fba3924 | 86 | /* |
| frank26080115 | 0:bf7b9fba3924 | 87 | * Audio Device Class Interface Set Request Callback |
| frank26080115 | 0:bf7b9fba3924 | 88 | * Called automatically on ADC Interface Set Request |
| frank26080115 | 0:bf7b9fba3924 | 89 | * Parameters: None (global SetupPacket and EP0Buf) |
| frank26080115 | 0:bf7b9fba3924 | 90 | * Return Value: TRUE - Success, FALSE - Error |
| frank26080115 | 0:bf7b9fba3924 | 91 | */ |
| frank26080115 | 0:bf7b9fba3924 | 92 | |
| frank26080115 | 0:bf7b9fba3924 | 93 | uint32_t ADC_IF_SetRequest (void) { |
| frank26080115 | 0:bf7b9fba3924 | 94 | |
| frank26080115 | 0:bf7b9fba3924 | 95 | /* |
| frank26080115 | 0:bf7b9fba3924 | 96 | Interface = SetupPacket.wIndex.WB.L; |
| frank26080115 | 0:bf7b9fba3924 | 97 | EntityID = SetupPacket.wIndex.WB.H; |
| frank26080115 | 0:bf7b9fba3924 | 98 | Request = SetupPacket.bRequest; |
| frank26080115 | 0:bf7b9fba3924 | 99 | Value = SetupPacket.wValue.W; |
| frank26080115 | 0:bf7b9fba3924 | 100 | ... |
| frank26080115 | 0:bf7b9fba3924 | 101 | */ |
| frank26080115 | 0:bf7b9fba3924 | 102 | |
| frank26080115 | 0:bf7b9fba3924 | 103 | if (SetupPacket.wIndex.W == 0x0200) { |
| frank26080115 | 0:bf7b9fba3924 | 104 | /* Feature Unit: Interface = 0, ID = 2 */ |
| frank26080115 | 0:bf7b9fba3924 | 105 | if (SetupPacket.wValue.WB.L == 0) { |
| frank26080115 | 0:bf7b9fba3924 | 106 | /* Master Channel */ |
| frank26080115 | 0:bf7b9fba3924 | 107 | switch (SetupPacket.wValue.WB.H) { |
| frank26080115 | 0:bf7b9fba3924 | 108 | case AUDIO_MUTE_CONTROL: |
| frank26080115 | 0:bf7b9fba3924 | 109 | switch (SetupPacket.bRequest) { |
| frank26080115 | 0:bf7b9fba3924 | 110 | case AUDIO_REQUEST_SET_CUR: |
| frank26080115 | 0:bf7b9fba3924 | 111 | Mute = EP0Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 112 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 113 | } |
| frank26080115 | 0:bf7b9fba3924 | 114 | break; |
| frank26080115 | 0:bf7b9fba3924 | 115 | case AUDIO_VOLUME_CONTROL: |
| frank26080115 | 0:bf7b9fba3924 | 116 | switch (SetupPacket.bRequest) { |
| frank26080115 | 0:bf7b9fba3924 | 117 | case AUDIO_REQUEST_SET_CUR: |
| frank26080115 | 0:bf7b9fba3924 | 118 | VolCur = *((__packed uint16_t *)EP0Buf); |
| frank26080115 | 0:bf7b9fba3924 | 119 | return (TRUE); |
| frank26080115 | 0:bf7b9fba3924 | 120 | } |
| frank26080115 | 0:bf7b9fba3924 | 121 | break; |
| frank26080115 | 0:bf7b9fba3924 | 122 | } |
| frank26080115 | 0:bf7b9fba3924 | 123 | } |
| frank26080115 | 0:bf7b9fba3924 | 124 | } |
| frank26080115 | 0:bf7b9fba3924 | 125 | return (FALSE); /* Not Supported */ |
| frank26080115 | 0:bf7b9fba3924 | 126 | } |
| frank26080115 | 0:bf7b9fba3924 | 127 | |
| frank26080115 | 0:bf7b9fba3924 | 128 | |
| frank26080115 | 0:bf7b9fba3924 | 129 | /* |
| frank26080115 | 0:bf7b9fba3924 | 130 | * Audio Device Class EndPoint Get Request Callback |
| frank26080115 | 0:bf7b9fba3924 | 131 | * Called automatically on ADC EndPoint Get Request |
| frank26080115 | 0:bf7b9fba3924 | 132 | * Parameters: None (global SetupPacket and EP0Buf) |
| frank26080115 | 0:bf7b9fba3924 | 133 | * Return Value: TRUE - Success, FALSE - Error |
| frank26080115 | 0:bf7b9fba3924 | 134 | */ |
| frank26080115 | 0:bf7b9fba3924 | 135 | |
| frank26080115 | 0:bf7b9fba3924 | 136 | uint32_t ADC_EP_GetRequest (void) { |
| frank26080115 | 0:bf7b9fba3924 | 137 | |
| frank26080115 | 0:bf7b9fba3924 | 138 | /* |
| frank26080115 | 0:bf7b9fba3924 | 139 | EndPoint = SetupPacket.wIndex.WB.L; |
| frank26080115 | 0:bf7b9fba3924 | 140 | Request = SetupPacket.bRequest; |
| frank26080115 | 0:bf7b9fba3924 | 141 | Value = SetupPacket.wValue.W; |
| frank26080115 | 0:bf7b9fba3924 | 142 | ... |
| frank26080115 | 0:bf7b9fba3924 | 143 | */ |
| frank26080115 | 0:bf7b9fba3924 | 144 | return (FALSE); /* Not Supported */ |
| frank26080115 | 0:bf7b9fba3924 | 145 | } |
| frank26080115 | 0:bf7b9fba3924 | 146 | |
| frank26080115 | 0:bf7b9fba3924 | 147 | |
| frank26080115 | 0:bf7b9fba3924 | 148 | /* |
| frank26080115 | 0:bf7b9fba3924 | 149 | * Audio Device Class EndPoint Set Request Callback |
| frank26080115 | 0:bf7b9fba3924 | 150 | * Called automatically on ADC EndPoint Set Request |
| frank26080115 | 0:bf7b9fba3924 | 151 | * Parameters: None (global SetupPacket and EP0Buf) |
| frank26080115 | 0:bf7b9fba3924 | 152 | * Return Value: TRUE - Success, FALSE - Error |
| frank26080115 | 0:bf7b9fba3924 | 153 | */ |
| frank26080115 | 0:bf7b9fba3924 | 154 | |
| frank26080115 | 0:bf7b9fba3924 | 155 | uint32_t ADC_EP_SetRequest (void) { |
| frank26080115 | 0:bf7b9fba3924 | 156 | |
| frank26080115 | 0:bf7b9fba3924 | 157 | /* |
| frank26080115 | 0:bf7b9fba3924 | 158 | EndPoint = SetupPacket.wIndex.WB.L; |
| frank26080115 | 0:bf7b9fba3924 | 159 | Request = SetupPacket.bRequest; |
| frank26080115 | 0:bf7b9fba3924 | 160 | Value = SetupPacket.wValue.W; |
| frank26080115 | 0:bf7b9fba3924 | 161 | ... |
| frank26080115 | 0:bf7b9fba3924 | 162 | */ |
| frank26080115 | 0:bf7b9fba3924 | 163 | return (FALSE); /* Not Supported */ |
| frank26080115 | 0:bf7b9fba3924 | 164 | } |