diff options
Diffstat (limited to 'firmware/target/sh/archos/uart-archos.c')
| -rw-r--r-- | firmware/target/sh/archos/uart-archos.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/firmware/target/sh/archos/uart-archos.c b/firmware/target/sh/archos/uart-archos.c deleted file mode 100644 index d17678f812..0000000000 --- a/firmware/target/sh/archos/uart-archos.c +++ /dev/null | |||
| @@ -1,167 +0,0 @@ | |||
| 1 | /*************************************************************************** | ||
| 2 | * __________ __ ___. | ||
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
| 7 | * \/ \/ \/ \/ \/ | ||
| 8 | * $Id$ | ||
| 9 | * | ||
| 10 | * Copyright (C) 2002 by Alan Korr & Nick Robinson | ||
| 11 | * | ||
| 12 | * This program is free software; you can redistribute it and/or | ||
| 13 | * modify it under the terms of the GNU General Public License | ||
| 14 | * as published by the Free Software Foundation; either version 2 | ||
| 15 | * of the License, or (at your option) any later version. | ||
| 16 | * | ||
| 17 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY | ||
| 18 | * KIND, either express or implied. | ||
| 19 | * | ||
| 20 | ****************************************************************************/ | ||
| 21 | #include <stdio.h> | ||
| 22 | #include <stdlib.h> | ||
| 23 | #include <stdarg.h> | ||
| 24 | |||
| 25 | #include "config.h" | ||
| 26 | #include "button.h" | ||
| 27 | #include "cpu.h" | ||
| 28 | #include "system.h" | ||
| 29 | #include "kernel.h" | ||
| 30 | #include "serial.h" | ||
| 31 | |||
| 32 | /* FIX: this doesn't work on iRiver or iPod yet */ | ||
| 33 | /* iFP7xx has no remote */ | ||
| 34 | |||
| 35 | /* Received byte identifiers */ | ||
| 36 | #define PLAY 0xC1 | ||
| 37 | #define STOP 0xC2 | ||
| 38 | #define PREV 0xC4 | ||
| 39 | #define NEXT 0xC8 | ||
| 40 | #define VOLUP 0xD0 | ||
| 41 | #define VOLDN 0xE0 | ||
| 42 | |||
| 43 | void serial_setup (void) | ||
| 44 | { | ||
| 45 | /* Set PB10 function to serial Rx */ | ||
| 46 | PBCR1 = (PBCR1 & 0xffcf) | 0x0020; | ||
| 47 | |||
| 48 | SMR1 = 0x00; | ||
| 49 | SCR1 = 0; | ||
| 50 | BRR1 = (FREQ/(32*9600))-1; | ||
| 51 | and_b(0, &SSR1); /* The status bits must be read before they are cleared, | ||
| 52 | so we do an AND operation */ | ||
| 53 | |||
| 54 | /* Let the hardware settle. The serial port needs to wait "at least | ||
| 55 | the interval required to transmit or receive one bit" before it | ||
| 56 | can be used. */ | ||
| 57 | sleep(1); | ||
| 58 | |||
| 59 | SCR1 = 0x10; /* Enable the receiver, no interrupt */ | ||
| 60 | } | ||
| 61 | |||
| 62 | int tx_rdy(void) | ||
| 63 | { | ||
| 64 | /* a dummy */ | ||
| 65 | return 1; | ||
| 66 | } | ||
| 67 | |||
| 68 | static int rx_rdy(void) | ||
| 69 | { | ||
| 70 | if(SSR1 & SCI_RDRF) | ||
| 71 | return 1; | ||
| 72 | else | ||
| 73 | return 0; | ||
| 74 | } | ||
| 75 | |||
| 76 | void tx_writec(unsigned char c) | ||
| 77 | { | ||
| 78 | /* a dummy */ | ||
| 79 | (void)c; | ||
| 80 | } | ||
| 81 | |||
| 82 | static unsigned char rx_readc(void) | ||
| 83 | { | ||
| 84 | char tmp; | ||
| 85 | /* Read byte and clear the Rx Full bit */ | ||
| 86 | tmp = RDR1; | ||
| 87 | and_b(~SCI_RDRF, &SSR1); | ||
| 88 | return tmp; | ||
| 89 | } | ||
| 90 | |||
| 91 | |||
| 92 | /* This function returns the received remote control code only if it is | ||
| 93 | received without errors before or after the reception. | ||
| 94 | It therefore returns the received code on the second call after the | ||
| 95 | code has been received. */ | ||
| 96 | int remote_control_rx(void) | ||
| 97 | { | ||
| 98 | static int last_valid_button = BUTTON_NONE; | ||
| 99 | static int last_was_error = false; | ||
| 100 | int btn; | ||
| 101 | int ret = BUTTON_NONE; | ||
| 102 | |||
| 103 | /* Errors? Just clear'em. The receiver stops if we don't */ | ||
| 104 | if(SSR1 & (SCI_ORER | SCI_FER | SCI_PER)) { | ||
| 105 | and_b(~(SCI_ORER | SCI_FER | SCI_PER), &SSR1); | ||
| 106 | last_valid_button = BUTTON_NONE; | ||
| 107 | last_was_error = true; | ||
| 108 | return BUTTON_NONE; | ||
| 109 | } | ||
| 110 | |||
| 111 | if(rx_rdy()) { | ||
| 112 | btn = rx_readc(); | ||
| 113 | |||
| 114 | if(last_was_error) | ||
| 115 | { | ||
| 116 | last_valid_button = BUTTON_NONE; | ||
| 117 | ret = BUTTON_NONE; | ||
| 118 | } | ||
| 119 | else | ||
| 120 | { | ||
| 121 | switch (btn) | ||
| 122 | { | ||
| 123 | case STOP: | ||
| 124 | last_valid_button = BUTTON_RC_STOP; | ||
| 125 | break; | ||
| 126 | |||
| 127 | case PLAY: | ||
| 128 | last_valid_button = BUTTON_RC_PLAY; | ||
| 129 | break; | ||
| 130 | |||
| 131 | case VOLUP: | ||
| 132 | last_valid_button = BUTTON_RC_VOL_UP; | ||
| 133 | break; | ||
| 134 | |||
| 135 | case VOLDN: | ||
| 136 | last_valid_button = BUTTON_RC_VOL_DOWN; | ||
| 137 | break; | ||
| 138 | |||
| 139 | case PREV: | ||
| 140 | last_valid_button = BUTTON_RC_LEFT; | ||
| 141 | break; | ||
| 142 | |||
| 143 | case NEXT: | ||
| 144 | last_valid_button = BUTTON_RC_RIGHT; | ||
| 145 | break; | ||
| 146 | |||
| 147 | default: | ||
| 148 | last_valid_button = BUTTON_NONE; | ||
| 149 | break; | ||
| 150 | } | ||
| 151 | } | ||
| 152 | } | ||
| 153 | else | ||
| 154 | { | ||
| 155 | /* This means that a valid remote control character was received | ||
| 156 | the last time we were called, with no receiver errors either before | ||
| 157 | or after. Then we can assume that there really is a remote control | ||
| 158 | attached, and return the button code. */ | ||
| 159 | ret = last_valid_button; | ||
| 160 | last_valid_button = BUTTON_NONE; | ||
| 161 | } | ||
| 162 | |||
| 163 | last_was_error = false; | ||
| 164 | |||
| 165 | return ret; | ||
| 166 | } | ||
| 167 | |||