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authorMark Arigo <markarigo@gmail.com>2009-01-27 03:19:57 +0000
committerMark Arigo <markarigo@gmail.com>2009-01-27 03:19:57 +0000
commit04992ef050a2bef8387f84efc6988211c34e19b7 (patch)
treeb9f5682b66fde3548ae059c4a6b0785024997274 /firmware/target/arm/tatung
parenta4e7bc383ed296b532a648a02db62a06c99c9ad8 (diff)
Move the PP5020 ADC defines to the c-file instead of repeating them across the header files. Also, the Tatung TPJ1022 should use the common PP5020 ADC driver.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19864 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/tatung')
-rw-r--r--firmware/target/arm/tatung/tpj1022/adc-target.h9
-rw-r--r--firmware/target/arm/tatung/tpj1022/adc-tpj1022.c103
2 files changed, 0 insertions, 112 deletions
diff --git a/firmware/target/arm/tatung/tpj1022/adc-target.h b/firmware/target/arm/tatung/tpj1022/adc-target.h
index 56b70b95c5..026bb58089 100644
--- a/firmware/target/arm/tatung/tpj1022/adc-target.h
+++ b/firmware/target/arm/tatung/tpj1022/adc-target.h
@@ -21,15 +21,6 @@
#ifndef _ADC_TARGET_H_
#define _ADC_TARGET_H_
-#define ADC_ENABLE_ADDR (*(volatile unsigned long*)(0x70000010))
-#define ADC_ENABLE 0x1100
-
-#define ADC_ADDR (*(volatile unsigned long*)(0x7000ad00))
-#define ADC_STATUS (*(volatile unsigned long*)(0x7000ad04))
-#define ADC_DATA_1 (*(volatile unsigned long*)(0x7000ad20))
-#define ADC_DATA_2 (*(volatile unsigned long*)(0x7000ad24))
-#define ADC_INIT (*(volatile unsigned long*)(0x7000ad2c))
-
#define NUM_ADC_CHANNELS 4
#define ADC_BATTERY 0
diff --git a/firmware/target/arm/tatung/tpj1022/adc-tpj1022.c b/firmware/target/arm/tatung/tpj1022/adc-tpj1022.c
deleted file mode 100644
index 843ab68fb6..0000000000
--- a/firmware/target/arm/tatung/tpj1022/adc-tpj1022.c
+++ /dev/null
@@ -1,103 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Copyright (C) 2006 by Barry Wardell
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-#include "config.h"
-#include "cpu.h"
-#include "system.h"
-#include "kernel.h"
-#include "thread.h"
-#include "adc.h"
-
-static unsigned short adcdata[NUM_ADC_CHANNELS];
-
-/* Scan ADC so that adcdata[channel] gets updated */
-unsigned short adc_scan(int channel)
-{
- unsigned int adc_data_1;
- unsigned int adc_data_2;
-
- /* Initialise */
- ADC_ADDR=0x130;
- ADC_STATUS=0; /* 4 bytes, 1 per channel. Each byte is 0 if the channel is
- off, 0x40 if the channel is on */
-
- /* Enable Channel */
- ADC_ADDR |= (0x1000000<<channel);
-
- /* Start? */
- ADC_ADDR |= 0x20000000;
- ADC_ADDR |= 0x80000000;
-
- /* ADC_DATA_1 and ADC_DATA_2 are both four bytes, one byte per channel.
- For each channel, ADC_DATA_1 stores the 8-bit msb, ADC_DATA_2 stores the
- 2-bit lsb (in bits 0 and 1). Each channel is 10 bits total. */
- adc_data_1 = ((ADC_DATA_1 >> (8*channel)) & 0xff);
- adc_data_2 = ((ADC_DATA_2 >> (8*channel+6)) & 0x3);
-
- adcdata[channel] = (adc_data_1<<2 | adc_data_2);
-
- return adcdata[channel];
-}
-
-/* Read 10-bit channel data */
-unsigned short adc_read(int channel)
-{
- return adcdata[channel];
-}
-
-static int adc_counter;
-
-static void adc_tick(void)
-{
- if(++adc_counter == HZ)
- {
- adc_counter = 0;
- adc_scan(ADC_BATTERY);
- adc_scan(ADC_UNKNOWN_1);
- adc_scan(ADC_UNKNOWN_2);
- adc_scan(ADC_SCROLLPAD);
- }
-}
-
-void adc_init(void)
-{
- /* Enable ADC */
- ADC_ENABLE_ADDR |= ADC_ENABLE;
-
- /* Initialise */
- ADC_INIT=0;
- ADC_ADDR=0x130;
- ADC_STATUS=0;
-
- /* Enable Channels 1-4 */
- ADC_ADDR |= 0x1000000;
- ADC_ADDR |= 0x2000000;
- ADC_ADDR |= 0x4000000;
- ADC_ADDR |= 0x8000000;
-
- /* Start? */
- ADC_ADDR |= 0x20000000;
- ADC_ADDR |= 0x80000000;
-
- /* Wait 50ms for things to settle */
- sleep(HZ/20);
-
- tick_add_task(adc_tick);
-}