diff options
Diffstat (limited to 'firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c')
| -rw-r--r-- | firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c b/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c deleted file mode 100644 index bc7ead61f0..0000000000 --- a/firmware/target/arm/tcc77x/iaudio7/powermgmt-iaudio7.c +++ /dev/null | |||
| @@ -1,84 +0,0 @@ | |||
| 1 | /*************************************************************************** | ||
| 2 | * __________ __ ___. | ||
| 3 | * Open \______ \ ____ ____ | | _\_ |__ _______ ___ | ||
| 4 | * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / | ||
| 5 | * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < | ||
| 6 | * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ | ||
| 7 | * \/ \/ \/ \/ \/ | ||
| 8 | * $Id: powermgmt-cowond2.c 17847 2008-06-28 18:10:04Z bagder $ | ||
| 9 | * | ||
| 10 | * Copyright (C) 2007 by Karl Kurbjun | ||
| 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 | |||
| 22 | #include "config.h" | ||
| 23 | #include "adc.h" | ||
| 24 | #include "powermgmt.h" | ||
| 25 | #include "kernel.h" | ||
| 26 | #include "pcf50606.h" | ||
| 27 | |||
| 28 | unsigned short current_voltage = 5150; | ||
| 29 | |||
| 30 | const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] = | ||
| 31 | { | ||
| 32 | /* FIXME: calibrate value */ | ||
| 33 | 4400 | ||
| 34 | }; | ||
| 35 | |||
| 36 | const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] = | ||
| 37 | { | ||
| 38 | /* FIXME: calibrate value */ | ||
| 39 | 4600 | ||
| 40 | }; | ||
| 41 | |||
| 42 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */ | ||
| 43 | const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] = | ||
| 44 | { | ||
| 45 | /* FIXME: calibrate values. Table is "inherited" from iPod-PCF / H100 */ | ||
| 46 | { 4500, 4810, 4910, 4970, 5030, 5070, 5120, 5140, 5170, 5250, 5400 } | ||
| 47 | }; | ||
| 48 | |||
| 49 | #if CONFIG_CHARGING | ||
| 50 | /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */ | ||
| 51 | const unsigned short percent_to_volt_charge[11] = | ||
| 52 | { | ||
| 53 | /* FIXME: calibrate values. Table is "inherited" from iPod-PCF / H100 */ | ||
| 54 | 4760, 5440, 5510, 5560, 5610, 5640, 5660, 5760, 5820, 5840, 5850 /* NiMH */ | ||
| 55 | }; | ||
| 56 | #endif /* CONFIG_CHARGING */ | ||
| 57 | |||
| 58 | #define BATTERY_SCALE_FACTOR 6000 | ||
| 59 | /* full-scale ADC readout (2^10) in millivolt */ | ||
| 60 | |||
| 61 | /* Returns battery voltage from ADC [millivolts] */ | ||
| 62 | int _battery_voltage(void) | ||
| 63 | { | ||
| 64 | static unsigned last_tick = 0; | ||
| 65 | |||
| 66 | if (0 == last_tick || TIME_BEFORE(last_tick+HZ, current_tick)) | ||
| 67 | { | ||
| 68 | int adc_val, irq_status; | ||
| 69 | unsigned char buf[2]; | ||
| 70 | |||
| 71 | irq_status = disable_irq_save(); | ||
| 72 | pcf50606_write(PCF5060X_ADCC2, 0x1); | ||
| 73 | pcf50606_read_multiple(PCF5060X_ADCS1, buf, 2); | ||
| 74 | restore_interrupt(irq_status); | ||
| 75 | |||
| 76 | adc_val = (buf[0]<<2) | (buf[1] & 3); //ADCDAT1H+ADCDAT1L | ||
| 77 | current_voltage = (adc_val * BATTERY_SCALE_FACTOR) >> 10; | ||
| 78 | |||
| 79 | last_tick = current_tick; | ||
| 80 | } | ||
| 81 | |||
| 82 | return current_voltage; | ||
| 83 | } | ||
| 84 | |||