diff options
author | Mark Arigo <markarigo@gmail.com> | 2009-01-27 03:19:57 +0000 |
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committer | Mark Arigo <markarigo@gmail.com> | 2009-01-27 03:19:57 +0000 |
commit | 04992ef050a2bef8387f84efc6988211c34e19b7 (patch) | |
tree | b9f5682b66fde3548ae059c4a6b0785024997274 /firmware/target/arm/tatung | |
parent | a4e7bc383ed296b532a648a02db62a06c99c9ad8 (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.h | 9 | ||||
-rw-r--r-- | firmware/target/arm/tatung/tpj1022/adc-tpj1022.c | 103 |
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); -} |