Maxim Integrated
MAX31343 RTC Mbed Driver
MAX31343 RTC Driver
Max31343.cpp@0:aa73b3c9d246, 2020-12-01 (annotated)
- Committer:
- Erman Komurcu
- Date:
- Tue Dec 01 13:32:54 2020 +0300
- Revision:
- 0:aa73b3c9d246
initial commit
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| Erman Komurcu |
0:aa73b3c9d246 | 1 | /******************************************************************************* |
| Erman Komurcu |
0:aa73b3c9d246 | 2 | * Copyright (C) Maxim Integrated Products, Inc., All Rights Reserved. |
| Erman Komurcu |
0:aa73b3c9d246 | 3 | * |
| Erman Komurcu |
0:aa73b3c9d246 | 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| Erman Komurcu |
0:aa73b3c9d246 | 5 | * copy of this software and associated documentation files (the "Software"), |
| Erman Komurcu |
0:aa73b3c9d246 | 6 | * to deal in the Software without restriction, including without limitation |
| Erman Komurcu |
0:aa73b3c9d246 | 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| Erman Komurcu |
0:aa73b3c9d246 | 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| Erman Komurcu |
0:aa73b3c9d246 | 9 | * Software is furnished to do so, subject to the following conditions: |
| Erman Komurcu |
0:aa73b3c9d246 | 10 | * |
| Erman Komurcu |
0:aa73b3c9d246 | 11 | * The above copyright notice and this permission notice shall be included |
| Erman Komurcu |
0:aa73b3c9d246 | 12 | * in all copies or substantial portions of the Software. |
| Erman Komurcu |
0:aa73b3c9d246 | 13 | * |
| Erman Komurcu |
0:aa73b3c9d246 | 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| Erman Komurcu |
0:aa73b3c9d246 | 15 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| Erman Komurcu |
0:aa73b3c9d246 | 16 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| Erman Komurcu |
0:aa73b3c9d246 | 17 | * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES |
| Erman Komurcu |
0:aa73b3c9d246 | 18 | * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| Erman Komurcu |
0:aa73b3c9d246 | 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| Erman Komurcu |
0:aa73b3c9d246 | 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| Erman Komurcu |
0:aa73b3c9d246 | 21 | * |
| Erman Komurcu |
0:aa73b3c9d246 | 22 | * Except as contained in this notice, the name of Maxim Integrated |
| Erman Komurcu |
0:aa73b3c9d246 | 23 | * Products, Inc. shall not be used except as stated in the Maxim Integrated |
| Erman Komurcu |
0:aa73b3c9d246 | 24 | * Products, Inc. Branding Policy. |
| Erman Komurcu |
0:aa73b3c9d246 | 25 | * |
| Erman Komurcu |
0:aa73b3c9d246 | 26 | * The mere transfer of this software does not imply any licenses |
| Erman Komurcu |
0:aa73b3c9d246 | 27 | * of trade secrets, proprietary technology, copyrights, patents, |
| Erman Komurcu |
0:aa73b3c9d246 | 28 | * trademarks, maskwork rights, or any other form of intellectual |
| Erman Komurcu |
0:aa73b3c9d246 | 29 | * property whatsoever. Maxim Integrated Products, Inc. retains all |
| Erman Komurcu |
0:aa73b3c9d246 | 30 | * ownership rights. |
| Erman Komurcu |
0:aa73b3c9d246 | 31 | ******************************************************************************* |
| Erman Komurcu |
0:aa73b3c9d246 | 32 | */ |
| Erman Komurcu |
0:aa73b3c9d246 | 33 | |
| Erman Komurcu |
0:aa73b3c9d246 | 34 | #include "Max31343.h" |
| Erman Komurcu |
0:aa73b3c9d246 | 35 | |
| Erman Komurcu |
0:aa73b3c9d246 | 36 | #define pr_err(fmt, ...) if(1) printf(fmt " (%s:%d)\r\n", ## __VA_ARGS__, __func__, __LINE__) |
| Erman Komurcu |
0:aa73b3c9d246 | 37 | #define pr_debug(fmt, ...) if(0) printf(fmt " (%s:%d)\r\n", ## __VA_ARGS__, __func__, __LINE__) |
| Erman Komurcu |
0:aa73b3c9d246 | 38 | |
| Erman Komurcu |
0:aa73b3c9d246 | 39 | #define BCD2BIN(val) (((val) & 15) + ((val) >> 4) * 10) |
| Erman Komurcu |
0:aa73b3c9d246 | 40 | #define BIN2BCD(val) ((((val) / 10) << 4) + (val) % 10) |
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0:aa73b3c9d246 | 41 | |
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0:aa73b3c9d246 | 42 | #define POST_INTR_WORK_SIGNAL_ID 0x1 |
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0:aa73b3c9d246 | 43 | |
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0:aa73b3c9d246 | 44 | #define TRICKLE_ENABLE_CODE 0x5 |
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0:aa73b3c9d246 | 45 | |
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0:aa73b3c9d246 | 46 | Max31343::Max31343(I2C *i2c, PinName pin_int) |
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0:aa73b3c9d246 | 47 | { |
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0:aa73b3c9d246 | 48 | if (i2c == NULL) { |
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0:aa73b3c9d246 | 49 | pr_err("i2c object is invalid!"); |
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0:aa73b3c9d246 | 50 | while (1); |
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0:aa73b3c9d246 | 51 | } |
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0:aa73b3c9d246 | 52 | i2c_handler = i2c; |
| Erman Komurcu |
0:aa73b3c9d246 | 53 | |
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0:aa73b3c9d246 | 54 | sw_reset_release(); |
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0:aa73b3c9d246 | 55 | |
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0:aa73b3c9d246 | 56 | rtc_start(); |
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0:aa73b3c9d246 | 57 | |
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0:aa73b3c9d246 | 58 | irq_disable_all(); |
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0:aa73b3c9d246 | 59 | |
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0:aa73b3c9d246 | 60 | post_intr_work_thread = new Thread(); |
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0:aa73b3c9d246 | 61 | |
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0:aa73b3c9d246 | 62 | post_intr_work_thread->start(Callback<void()>(this, &Max31343::post_interrupt_work)); |
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0:aa73b3c9d246 | 63 | |
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0:aa73b3c9d246 | 64 | if (pin_int != NC) { |
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0:aa73b3c9d246 | 65 | this->pin_int = new InterruptIn(pin_int); |
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0:aa73b3c9d246 | 66 | |
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0:aa73b3c9d246 | 67 | this->pin_int->fall(Callback<void()>(this, &Max31343::interrupt_handler)); |
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0:aa73b3c9d246 | 68 | |
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0:aa73b3c9d246 | 69 | this->pin_int->enable_irq(); |
| Erman Komurcu |
0:aa73b3c9d246 | 70 | } else { |
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0:aa73b3c9d246 | 71 | this->pin_int = NULL; |
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0:aa73b3c9d246 | 72 | } |
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0:aa73b3c9d246 | 73 | } |
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0:aa73b3c9d246 | 74 | |
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0:aa73b3c9d246 | 75 | Max31343::~Max31343() |
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0:aa73b3c9d246 | 76 | { |
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0:aa73b3c9d246 | 77 | if (post_intr_work_thread) { |
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0:aa73b3c9d246 | 78 | delete post_intr_work_thread; |
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0:aa73b3c9d246 | 79 | } |
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0:aa73b3c9d246 | 80 | |
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0:aa73b3c9d246 | 81 | if (pin_int) { |
| Erman Komurcu |
0:aa73b3c9d246 | 82 | delete pin_int; |
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0:aa73b3c9d246 | 83 | } |
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0:aa73b3c9d246 | 84 | } |
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0:aa73b3c9d246 | 85 | |
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0:aa73b3c9d246 | 86 | int Max31343::read_register(uint8_t reg, uint8_t *value, uint8_t len) |
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0:aa73b3c9d246 | 87 | { |
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0:aa73b3c9d246 | 88 | int ret; |
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0:aa73b3c9d246 | 89 | |
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0:aa73b3c9d246 | 90 | if (value == NULL) { |
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0:aa73b3c9d246 | 91 | pr_err("value is invalid!"); |
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0:aa73b3c9d246 | 92 | return -1; |
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0:aa73b3c9d246 | 93 | } |
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0:aa73b3c9d246 | 94 | |
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0:aa73b3c9d246 | 95 | ret = i2c_handler->write(MAX3134X_I2C_W, (const char *) ®, 1, true); |
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0:aa73b3c9d246 | 96 | if (ret != 0) { |
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0:aa73b3c9d246 | 97 | pr_err("i2c write failed with %d!", ret); |
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0:aa73b3c9d246 | 98 | return -1; |
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0:aa73b3c9d246 | 99 | } |
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0:aa73b3c9d246 | 100 | |
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0:aa73b3c9d246 | 101 | ret = i2c_handler->read(MAX3134X_I2C_R, (char *) value, len, false); |
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0:aa73b3c9d246 | 102 | if (ret < 0) { |
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0:aa73b3c9d246 | 103 | pr_err("i2c read failed with %d!", ret); |
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0:aa73b3c9d246 | 104 | return -1; |
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0:aa73b3c9d246 | 105 | } |
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0:aa73b3c9d246 | 106 | |
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0:aa73b3c9d246 | 107 | return 0; |
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0:aa73b3c9d246 | 108 | } |
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0:aa73b3c9d246 | 109 | |
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0:aa73b3c9d246 | 110 | int Max31343::write_register(uint8_t reg, const uint8_t *value, uint8_t len) |
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0:aa73b3c9d246 | 111 | { |
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0:aa73b3c9d246 | 112 | int ret; |
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0:aa73b3c9d246 | 113 | uint8_t *buffer; |
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0:aa73b3c9d246 | 114 | |
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0:aa73b3c9d246 | 115 | if (value == NULL) { |
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0:aa73b3c9d246 | 116 | pr_err("value is invalid!"); |
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0:aa73b3c9d246 | 117 | return -1; |
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0:aa73b3c9d246 | 118 | } |
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0:aa73b3c9d246 | 119 | |
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0:aa73b3c9d246 | 120 | buffer = new uint8_t[1 + len]; |
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0:aa73b3c9d246 | 121 | buffer[0] = reg; |
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0:aa73b3c9d246 | 122 | |
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0:aa73b3c9d246 | 123 | memcpy(&buffer[1], value, len); |
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0:aa73b3c9d246 | 124 | |
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0:aa73b3c9d246 | 125 | ret = i2c_handler->write(MAX3134X_I2C_W, (const char *)buffer, 1 + len); |
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0:aa73b3c9d246 | 126 | if (ret != 0) { |
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0:aa73b3c9d246 | 127 | pr_err("i2c write failed with %d!", ret); |
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0:aa73b3c9d246 | 128 | } |
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0:aa73b3c9d246 | 129 | |
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0:aa73b3c9d246 | 130 | delete[] buffer; |
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0:aa73b3c9d246 | 131 | |
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0:aa73b3c9d246 | 132 | return ret; |
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0:aa73b3c9d246 | 133 | } |
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0:aa73b3c9d246 | 134 | |
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0:aa73b3c9d246 | 135 | int Max31343::rtc_regs_to_time(struct tm *time, const rtc_time_regs_t *regs) |
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0:aa73b3c9d246 | 136 | { |
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0:aa73b3c9d246 | 137 | /* tm_sec seconds [0,61] */ |
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0:aa73b3c9d246 | 138 | time->tm_sec = BCD2BIN(regs->seconds.bcd.value); |
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0:aa73b3c9d246 | 139 | |
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0:aa73b3c9d246 | 140 | /* tm_min minutes [0,59] */ |
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0:aa73b3c9d246 | 141 | time->tm_min = BCD2BIN(regs->minutes.bcd.value); |
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0:aa73b3c9d246 | 142 | |
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0:aa73b3c9d246 | 143 | /* tm_hour hour [0,23] */ |
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0:aa73b3c9d246 | 144 | time->tm_hour = BCD2BIN(regs->hours.bcd.value); |
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0:aa73b3c9d246 | 145 | |
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0:aa73b3c9d246 | 146 | /* tm_wday day of week [0,6] (Sunday = 0) */ |
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0:aa73b3c9d246 | 147 | time->tm_wday = BCD2BIN(regs->day.bcd.value) - 1; |
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0:aa73b3c9d246 | 148 | |
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0:aa73b3c9d246 | 149 | /* tm_mday day of month [1,31] */ |
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0:aa73b3c9d246 | 150 | time->tm_mday = BCD2BIN(regs->date.bcd.value); |
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0:aa73b3c9d246 | 151 | |
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0:aa73b3c9d246 | 152 | /* tm_mon month of year [0,11] */ |
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0:aa73b3c9d246 | 153 | time->tm_mon = BCD2BIN(regs->month.bcd.value) - 1; |
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0:aa73b3c9d246 | 154 | |
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0:aa73b3c9d246 | 155 | /* tm_year years since 2000 */ |
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0:aa73b3c9d246 | 156 | if (regs->month.bits.century) { |
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0:aa73b3c9d246 | 157 | time->tm_year = BCD2BIN(regs->year.bcd.value) + 200; |
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0:aa73b3c9d246 | 158 | } else { |
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0:aa73b3c9d246 | 159 | time->tm_year = BCD2BIN(regs->year.bcd.value) + 100; |
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0:aa73b3c9d246 | 160 | } |
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0:aa73b3c9d246 | 161 | |
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0:aa73b3c9d246 | 162 | /* tm_yday day of year [0,365] */ |
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0:aa73b3c9d246 | 163 | time->tm_yday = 0; /* TODO */ |
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0:aa73b3c9d246 | 164 | |
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0:aa73b3c9d246 | 165 | /* tm_isdst daylight savings flag */ |
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0:aa73b3c9d246 | 166 | time->tm_isdst = 0; /* TODO */ |
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0:aa73b3c9d246 | 167 | |
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0:aa73b3c9d246 | 168 | return 0; |
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0:aa73b3c9d246 | 169 | } |
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0:aa73b3c9d246 | 170 | |
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0:aa73b3c9d246 | 171 | int Max31343::time_to_rtc_regs(rtc_time_regs_t *regs, const struct tm *time) |
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0:aa73b3c9d246 | 172 | { |
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0:aa73b3c9d246 | 173 | /********************************************************* |
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0:aa73b3c9d246 | 174 | * +----------+------+---------------------------+-------+ |
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0:aa73b3c9d246 | 175 | * | Member | Type | Meaning | Range | |
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0:aa73b3c9d246 | 176 | * +----------+------+---------------------------+-------+ |
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0:aa73b3c9d246 | 177 | * | tm_sec | int | seconds after the minute | 0-61* | |
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0:aa73b3c9d246 | 178 | * | tm_min | int | minutes after the hour | 0-59 | |
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0:aa73b3c9d246 | 179 | * | tm_hour | int | hours since midnight | 0-23 | |
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0:aa73b3c9d246 | 180 | * | tm_mday | int | day of the month | 1-31 | |
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0:aa73b3c9d246 | 181 | * | tm_mon | int | months since January | 0-11 | |
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0:aa73b3c9d246 | 182 | * | tm_year | int | years since 1900 | | |
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0:aa73b3c9d246 | 183 | * | tm_wday | int | days since Sunday | 0-6 | |
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0:aa73b3c9d246 | 184 | * | tm_yday | int | days since January 1 | 0-365 | |
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0:aa73b3c9d246 | 185 | * | tm_isdst | int | Daylight Saving Time flag | | |
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0:aa73b3c9d246 | 186 | * +----------+------+---------------------------+-------+ |
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0:aa73b3c9d246 | 187 | * * tm_sec is generally 0-59. The extra range is to accommodate for leap |
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0:aa73b3c9d246 | 188 | * seconds in certain systems. |
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0:aa73b3c9d246 | 189 | *********************************************************/ |
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0:aa73b3c9d246 | 190 | regs->seconds.bcd.value = BIN2BCD(time->tm_sec); |
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0:aa73b3c9d246 | 191 | |
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0:aa73b3c9d246 | 192 | regs->minutes.bcd.value = BIN2BCD(time->tm_min); |
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0:aa73b3c9d246 | 193 | |
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0:aa73b3c9d246 | 194 | regs->hours.bcd.value= BIN2BCD(time->tm_hour); |
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0:aa73b3c9d246 | 195 | |
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0:aa73b3c9d246 | 196 | regs->day.bcd.value = BIN2BCD(time->tm_wday + 1); |
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0:aa73b3c9d246 | 197 | |
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0:aa73b3c9d246 | 198 | regs->date.bcd.value = BIN2BCD(time->tm_mday); |
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0:aa73b3c9d246 | 199 | |
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0:aa73b3c9d246 | 200 | regs->month.bcd.value = BIN2BCD(time->tm_mon + 1); |
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0:aa73b3c9d246 | 201 | |
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0:aa73b3c9d246 | 202 | if (time->tm_year >= 200) { |
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0:aa73b3c9d246 | 203 | regs->month.bits.century = 1; |
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0:aa73b3c9d246 | 204 | regs->year.bcd.value = BIN2BCD(time->tm_year - 200); |
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0:aa73b3c9d246 | 205 | } else if (time->tm_year >= 100) { |
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0:aa73b3c9d246 | 206 | regs->month.bits.century = 0; |
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0:aa73b3c9d246 | 207 | regs->year.bcd.value = BIN2BCD(time->tm_year - 100); |
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0:aa73b3c9d246 | 208 | } else { |
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0:aa73b3c9d246 | 209 | pr_err("Invalid set date!"); |
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0:aa73b3c9d246 | 210 | return -1; |
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0:aa73b3c9d246 | 211 | } |
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0:aa73b3c9d246 | 212 | |
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0:aa73b3c9d246 | 213 | return 0; |
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0:aa73b3c9d246 | 214 | } |
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0:aa73b3c9d246 | 215 | |
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0:aa73b3c9d246 | 216 | int Max31343::get_time(struct tm *time) |
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0:aa73b3c9d246 | 217 | { |
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0:aa73b3c9d246 | 218 | rtc_time_regs_t time_regs; |
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0:aa73b3c9d246 | 219 | |
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0:aa73b3c9d246 | 220 | if (time == NULL) { |
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0:aa73b3c9d246 | 221 | pr_err("rtc_ctime is invalid!"); |
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0:aa73b3c9d246 | 222 | return -1; |
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0:aa73b3c9d246 | 223 | } |
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0:aa73b3c9d246 | 224 | |
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0:aa73b3c9d246 | 225 | if (read_register(MAX31343_REG_SECONDS_ADDR, (uint8_t *) &time_regs, sizeof(time_regs)) < 0) { |
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0:aa73b3c9d246 | 226 | pr_err("read time registers failed!"); |
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0:aa73b3c9d246 | 227 | return -1; |
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0:aa73b3c9d246 | 228 | } |
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0:aa73b3c9d246 | 229 | |
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0:aa73b3c9d246 | 230 | return rtc_regs_to_time(time, &time_regs); |
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0:aa73b3c9d246 | 231 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 232 | |
| Erman Komurcu |
0:aa73b3c9d246 | 233 | int Max31343::set_time(const struct tm *time) |
| Erman Komurcu |
0:aa73b3c9d246 | 234 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 235 | rtc_time_regs_t time_regs; |
| Erman Komurcu |
0:aa73b3c9d246 | 236 | |
| Erman Komurcu |
0:aa73b3c9d246 | 237 | if (time == NULL) { |
| Erman Komurcu |
0:aa73b3c9d246 | 238 | pr_err("rtc_ctime is invalid!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 239 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 240 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 241 | |
| Erman Komurcu |
0:aa73b3c9d246 | 242 | time_to_rtc_regs(&time_regs, time); |
| Erman Komurcu |
0:aa73b3c9d246 | 243 | |
| Erman Komurcu |
0:aa73b3c9d246 | 244 | if (write_register(MAX31343_REG_SECONDS_ADDR, (const uint8_t *) &time_regs, sizeof(time_regs)) < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 245 | pr_err("read time registers failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 246 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 247 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 248 | |
| Erman Komurcu |
0:aa73b3c9d246 | 249 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 250 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 251 | |
| Erman Komurcu |
0:aa73b3c9d246 | 252 | int Max31343::time_to_alarm_regs(alarm_regs_t ®s, const struct tm *alarm_time) |
| Erman Komurcu |
0:aa73b3c9d246 | 253 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 254 | regs.sec.bcd.value = BIN2BCD(alarm_time->tm_sec); |
| Erman Komurcu |
0:aa73b3c9d246 | 255 | regs.min.bcd.value = BIN2BCD(alarm_time->tm_min); |
| Erman Komurcu |
0:aa73b3c9d246 | 256 | |
| Erman Komurcu |
0:aa73b3c9d246 | 257 | regs.hrs.bcd.value = BIN2BCD(alarm_time->tm_hour); |
| Erman Komurcu |
0:aa73b3c9d246 | 258 | |
| Erman Komurcu |
0:aa73b3c9d246 | 259 | if (regs.day_date.bits.dy_dt == 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 260 | /* Date match */ |
| Erman Komurcu |
0:aa73b3c9d246 | 261 | regs.day_date.bcd_date.value = BIN2BCD(alarm_time->tm_mday); |
| Erman Komurcu |
0:aa73b3c9d246 | 262 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 263 | /* Day match */ |
| Erman Komurcu |
0:aa73b3c9d246 | 264 | regs.day_date.bcd_day.value = BIN2BCD(alarm_time->tm_wday); |
| Erman Komurcu |
0:aa73b3c9d246 | 265 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 266 | regs.mon.bcd.value = BIN2BCD(alarm_time->tm_mon+1); |
| Erman Komurcu |
0:aa73b3c9d246 | 267 | |
| Erman Komurcu |
0:aa73b3c9d246 | 268 | if (alarm_time->tm_year >= 200) { |
| Erman Komurcu |
0:aa73b3c9d246 | 269 | regs.year.bcd.value = BIN2BCD(alarm_time->tm_year - 200); |
| Erman Komurcu |
0:aa73b3c9d246 | 270 | } else if (alarm_time->tm_year >= 100) { |
| Erman Komurcu |
0:aa73b3c9d246 | 271 | regs.year.bcd.value = BIN2BCD(alarm_time->tm_year - 100); |
| Erman Komurcu |
0:aa73b3c9d246 | 272 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 273 | pr_err("Invalid set year!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 274 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 275 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 276 | |
| Erman Komurcu |
0:aa73b3c9d246 | 277 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 278 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 279 | |
| Erman Komurcu |
0:aa73b3c9d246 | 280 | int Max31343::alarm_regs_to_time(struct tm *alarm_time, const alarm_regs_t *regs) |
| Erman Komurcu |
0:aa73b3c9d246 | 281 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 282 | alarm_time->tm_sec = BCD2BIN(regs->sec.bcd.value); |
| Erman Komurcu |
0:aa73b3c9d246 | 283 | alarm_time->tm_min = BCD2BIN(regs->min.bcd.value); |
| Erman Komurcu |
0:aa73b3c9d246 | 284 | alarm_time->tm_hour = BCD2BIN(regs->hrs.bcd.value); |
| Erman Komurcu |
0:aa73b3c9d246 | 285 | |
| Erman Komurcu |
0:aa73b3c9d246 | 286 | if (regs->day_date.bits.dy_dt == 0) { /* date */ |
| Erman Komurcu |
0:aa73b3c9d246 | 287 | alarm_time->tm_mday = BCD2BIN(regs->day_date.bcd_date.value); |
| Erman Komurcu |
0:aa73b3c9d246 | 288 | } else { /* day */ |
| Erman Komurcu |
0:aa73b3c9d246 | 289 | alarm_time->tm_wday = BCD2BIN(regs->day_date.bcd_day.value); |
| Erman Komurcu |
0:aa73b3c9d246 | 290 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 291 | |
| Erman Komurcu |
0:aa73b3c9d246 | 292 | alarm_time->tm_mon = BCD2BIN(regs->mon.bcd.value) - 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 293 | |
| Erman Komurcu |
0:aa73b3c9d246 | 294 | /* XXX no century bit */ |
| Erman Komurcu |
0:aa73b3c9d246 | 295 | alarm_time->tm_year = BCD2BIN(regs->year.bcd.value) + 100; |
| Erman Komurcu |
0:aa73b3c9d246 | 296 | |
| Erman Komurcu |
0:aa73b3c9d246 | 297 | |
| Erman Komurcu |
0:aa73b3c9d246 | 298 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 299 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 300 | |
| Erman Komurcu |
0:aa73b3c9d246 | 301 | int Max31343::set_alarm_period(alarm_no_t alarm_no, alarm_regs_t ®s, alarm_period_t period) |
| Erman Komurcu |
0:aa73b3c9d246 | 302 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 303 | switch (period) { |
| Erman Komurcu |
0:aa73b3c9d246 | 304 | case ALARM_PERIOD_ONETIME: |
| Erman Komurcu |
0:aa73b3c9d246 | 305 | if (alarm_no == ALARM2) { /* not supported! */ |
| Erman Komurcu |
0:aa73b3c9d246 | 306 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 307 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 308 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 309 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 310 | regs.hrs.bits.a1m3 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 311 | regs.day_date.bits.a1m4 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 312 | regs.mon.bits.a1m5 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 313 | regs.mon.bits.a1m6 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 314 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 315 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 316 | case ALARM_PERIOD_YEARLY: |
| Erman Komurcu |
0:aa73b3c9d246 | 317 | if (alarm_no == ALARM2) { /* not supported! */ |
| Erman Komurcu |
0:aa73b3c9d246 | 318 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 319 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 320 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 321 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 322 | regs.hrs.bits.a1m3 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 323 | regs.day_date.bits.a1m4 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 324 | regs.mon.bits.a1m5 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 325 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 326 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 327 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 328 | case ALARM_PERIOD_MONTHLY: |
| Erman Komurcu |
0:aa73b3c9d246 | 329 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 330 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 331 | regs.hrs.bits.a1m3 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 332 | regs.day_date.bits.a1m4 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 333 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 334 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 335 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 336 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 337 | case ALARM_PERIOD_WEEKLY: |
| Erman Komurcu |
0:aa73b3c9d246 | 338 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 339 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 340 | regs.hrs.bits.a1m3 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 341 | regs.day_date.bits.a1m4 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 342 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 343 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 344 | regs.day_date.bits.dy_dt = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 345 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 346 | case ALARM_PERIOD_DAILY: |
| Erman Komurcu |
0:aa73b3c9d246 | 347 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 348 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 349 | regs.hrs.bits.a1m3 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 350 | regs.day_date.bits.a1m4 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 351 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 352 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 353 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 354 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 355 | case ALARM_PERIOD_HOURLY: |
| Erman Komurcu |
0:aa73b3c9d246 | 356 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 357 | regs.min.bits.a1m2 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 358 | regs.hrs.bits.a1m3 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 359 | regs.day_date.bits.a1m4 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 360 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 361 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 362 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 363 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 364 | case ALARM_PERIOD_EVERYMINUTE: |
| Erman Komurcu |
0:aa73b3c9d246 | 365 | regs.sec.bits.a1m1 = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 366 | regs.min.bits.a1m2 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 367 | regs.hrs.bits.a1m3 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 368 | regs.day_date.bits.a1m4 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 369 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 370 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 371 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 372 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 373 | case ALARM_PERIOD_EVERYSECOND: |
| Erman Komurcu |
0:aa73b3c9d246 | 374 | if ((alarm_no == ALARM2) && (period == ALARM_PERIOD_EVERYSECOND)) { |
| Erman Komurcu |
0:aa73b3c9d246 | 375 | return -1; /* Alarm2 does not support "once per second" alarm*/ |
| Erman Komurcu |
0:aa73b3c9d246 | 376 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 377 | regs.sec.bits.a1m1 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 378 | regs.min.bits.a1m2 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 379 | regs.hrs.bits.a1m3 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 380 | regs.day_date.bits.a1m4 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 381 | regs.mon.bits.a1m5 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 382 | regs.mon.bits.a1m6 = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 383 | regs.day_date.bits.dy_dt = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 384 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 385 | default: |
| Erman Komurcu |
0:aa73b3c9d246 | 386 | return -1; |
| Erman Komurcu |
0:aa73b3c9d246 | 387 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 388 | |
| Erman Komurcu |
0:aa73b3c9d246 | 389 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 390 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 391 | |
| Erman Komurcu |
0:aa73b3c9d246 | 392 | int Max31343::set_alarm_regs(alarm_no_t alarm_no, const alarm_regs_t *regs) |
| Erman Komurcu |
0:aa73b3c9d246 | 393 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 394 | uint8_t *ptr_regs = (uint8_t *)regs; |
| Erman Komurcu |
0:aa73b3c9d246 | 395 | uint8_t off = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 396 | uint8_t dev_ba; |
| Erman Komurcu |
0:aa73b3c9d246 | 397 | uint8_t len = sizeof(alarm_regs_t); |
| Erman Komurcu |
0:aa73b3c9d246 | 398 | |
| Erman Komurcu |
0:aa73b3c9d246 | 399 | if (alarm_no == ALARM1) { |
| Erman Komurcu |
0:aa73b3c9d246 | 400 | dev_ba = MAX31343_REG_ALM1_SEC_ADDR; |
| Erman Komurcu |
0:aa73b3c9d246 | 401 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 402 | dev_ba = MAX31343_REG_ALM2_MIN_ADDR; |
| Erman Komurcu |
0:aa73b3c9d246 | 403 | off = 1; /* starts from min register */ |
| Erman Komurcu |
0:aa73b3c9d246 | 404 | len -= 3; /* XXX discard min, mon & sec registers */ |
| Erman Komurcu |
0:aa73b3c9d246 | 405 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 406 | |
| Erman Komurcu |
0:aa73b3c9d246 | 407 | return write_register(dev_ba, &ptr_regs[off], len); |
| Erman Komurcu |
0:aa73b3c9d246 | 408 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 409 | |
| Erman Komurcu |
0:aa73b3c9d246 | 410 | int Max31343::get_alarm_regs(alarm_no_t alarm_no, alarm_regs_t *regs) |
| Erman Komurcu |
0:aa73b3c9d246 | 411 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 412 | uint8_t *ptr_regs = (uint8_t *)regs; |
| Erman Komurcu |
0:aa73b3c9d246 | 413 | uint8_t off = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 414 | uint8_t dev_ba; |
| Erman Komurcu |
0:aa73b3c9d246 | 415 | uint8_t len = sizeof(alarm_regs_t); |
| Erman Komurcu |
0:aa73b3c9d246 | 416 | |
| Erman Komurcu |
0:aa73b3c9d246 | 417 | if (alarm_no == ALARM1) { |
| Erman Komurcu |
0:aa73b3c9d246 | 418 | dev_ba = MAX31343_REG_ALM1_SEC_ADDR; |
| Erman Komurcu |
0:aa73b3c9d246 | 419 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 420 | regs->sec.raw = 0; /* zeroise second register for alarm2 */ |
| Erman Komurcu |
0:aa73b3c9d246 | 421 | dev_ba = MAX31343_REG_ALM2_MIN_ADDR; |
| Erman Komurcu |
0:aa73b3c9d246 | 422 | off = 1; /* starts from min register (no sec register) */ |
| Erman Komurcu |
0:aa73b3c9d246 | 423 | len -= 2; /* XXX discard mon & sec registers */ |
| Erman Komurcu |
0:aa73b3c9d246 | 424 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 425 | |
| Erman Komurcu |
0:aa73b3c9d246 | 426 | return read_register(dev_ba, &ptr_regs[off], len); |
| Erman Komurcu |
0:aa73b3c9d246 | 427 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 428 | |
| Erman Komurcu |
0:aa73b3c9d246 | 429 | int Max31343::set_alarm(alarm_no_t alarm_no, const struct tm *alarm_time, alarm_period_t period) |
| Erman Komurcu |
0:aa73b3c9d246 | 430 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 431 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 432 | alarm_regs_t regs; |
| Erman Komurcu |
0:aa73b3c9d246 | 433 | |
| Erman Komurcu |
0:aa73b3c9d246 | 434 | ret = set_alarm_period(alarm_no, regs, period); |
| Erman Komurcu |
0:aa73b3c9d246 | 435 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 436 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 437 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 438 | |
| Erman Komurcu |
0:aa73b3c9d246 | 439 | /* Convert time structure to alarm registers */ |
| Erman Komurcu |
0:aa73b3c9d246 | 440 | ret = time_to_alarm_regs(regs, alarm_time); |
| Erman Komurcu |
0:aa73b3c9d246 | 441 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 442 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 443 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 444 | |
| Erman Komurcu |
0:aa73b3c9d246 | 445 | ret = set_alarm_regs(alarm_no, ®s); |
| Erman Komurcu |
0:aa73b3c9d246 | 446 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 447 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 448 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 449 | |
| Erman Komurcu |
0:aa73b3c9d246 | 450 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 451 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 452 | |
| Erman Komurcu |
0:aa73b3c9d246 | 453 | int Max31343::get_alarm(alarm_no_t alarm_no, struct tm *alarm_time, |
| Erman Komurcu |
0:aa73b3c9d246 | 454 | alarm_period_t *period, bool *is_enabled) |
| Erman Komurcu |
0:aa73b3c9d246 | 455 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 456 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 457 | alarm_regs_t regs; |
| Erman Komurcu |
0:aa73b3c9d246 | 458 | uint8_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 459 | |
| Erman Komurcu |
0:aa73b3c9d246 | 460 | ret = get_alarm_regs(alarm_no, ®s); |
| Erman Komurcu |
0:aa73b3c9d246 | 461 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 462 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 463 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 464 | |
| Erman Komurcu |
0:aa73b3c9d246 | 465 | /* Convert alarm registers to time structure */ |
| Erman Komurcu |
0:aa73b3c9d246 | 466 | ret = alarm_regs_to_time(alarm_time, ®s); |
| Erman Komurcu |
0:aa73b3c9d246 | 467 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 468 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 469 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 470 | |
| Erman Komurcu |
0:aa73b3c9d246 | 471 | if(alarm_no == ALARM1) { |
| Erman Komurcu |
0:aa73b3c9d246 | 472 | int alarm = regs.sec.bits.a1m1 | (regs.min.bits.a1m2<<1) |
| Erman Komurcu |
0:aa73b3c9d246 | 473 | | (regs.hrs.bits.a1m3<<2) | (regs.day_date.bits.a1m4<<3) |
| Erman Komurcu |
0:aa73b3c9d246 | 474 | | (regs.mon.bits.a1m5<<4) | (regs.mon.bits.a1m6<<5) |
| Erman Komurcu |
0:aa73b3c9d246 | 475 | | (regs.day_date.bits.dy_dt<<6); |
| Erman Komurcu |
0:aa73b3c9d246 | 476 | |
| Erman Komurcu |
0:aa73b3c9d246 | 477 | switch(alarm) { |
| Erman Komurcu |
0:aa73b3c9d246 | 478 | case 0b1111111: |
| Erman Komurcu |
0:aa73b3c9d246 | 479 | case 0b0111111: |
| Erman Komurcu |
0:aa73b3c9d246 | 480 | *period = ALARM_PERIOD_EVERYSECOND; |
| Erman Komurcu |
0:aa73b3c9d246 | 481 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 482 | case 0b1111110: |
| Erman Komurcu |
0:aa73b3c9d246 | 483 | case 0b0111110: |
| Erman Komurcu |
0:aa73b3c9d246 | 484 | *period = ALARM_PERIOD_EVERYMINUTE; |
| Erman Komurcu |
0:aa73b3c9d246 | 485 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 486 | case 0b1111100: |
| Erman Komurcu |
0:aa73b3c9d246 | 487 | case 0b0111100: |
| Erman Komurcu |
0:aa73b3c9d246 | 488 | *period = ALARM_PERIOD_HOURLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 489 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 490 | case 0b0111000: |
| Erman Komurcu |
0:aa73b3c9d246 | 491 | case 0b1111000: |
| Erman Komurcu |
0:aa73b3c9d246 | 492 | *period = ALARM_PERIOD_DAILY; |
| Erman Komurcu |
0:aa73b3c9d246 | 493 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 494 | case 0b0110000: |
| Erman Komurcu |
0:aa73b3c9d246 | 495 | *period = ALARM_PERIOD_MONTHLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 496 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 497 | case 0b0100000: |
| Erman Komurcu |
0:aa73b3c9d246 | 498 | *period = ALARM_PERIOD_YEARLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 499 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 500 | case 0b0000000: |
| Erman Komurcu |
0:aa73b3c9d246 | 501 | *period = ALARM_PERIOD_ONETIME; |
| Erman Komurcu |
0:aa73b3c9d246 | 502 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 503 | case 0b1110000: |
| Erman Komurcu |
0:aa73b3c9d246 | 504 | *period = ALARM_PERIOD_WEEKLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 505 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 506 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 507 | int alarm = (regs.min.bits.a1m2) | (regs.hrs.bits.a1m3<<1) |
| Erman Komurcu |
0:aa73b3c9d246 | 508 | | (regs.day_date.bits.a1m4<<2) |
| Erman Komurcu |
0:aa73b3c9d246 | 509 | | (regs.day_date.bits.dy_dt<<3); |
| Erman Komurcu |
0:aa73b3c9d246 | 510 | |
| Erman Komurcu |
0:aa73b3c9d246 | 511 | switch(alarm) { |
| Erman Komurcu |
0:aa73b3c9d246 | 512 | case 0b1111: |
| Erman Komurcu |
0:aa73b3c9d246 | 513 | case 0b0111: |
| Erman Komurcu |
0:aa73b3c9d246 | 514 | *period = ALARM_PERIOD_EVERYMINUTE; |
| Erman Komurcu |
0:aa73b3c9d246 | 515 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 516 | case 0b1110: |
| Erman Komurcu |
0:aa73b3c9d246 | 517 | case 0b0110: |
| Erman Komurcu |
0:aa73b3c9d246 | 518 | *period = ALARM_PERIOD_HOURLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 519 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 520 | case 0b1100: |
| Erman Komurcu |
0:aa73b3c9d246 | 521 | case 0b0100: |
| Erman Komurcu |
0:aa73b3c9d246 | 522 | *period = ALARM_PERIOD_DAILY; |
| Erman Komurcu |
0:aa73b3c9d246 | 523 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 524 | case 0b0000: |
| Erman Komurcu |
0:aa73b3c9d246 | 525 | *period = ALARM_PERIOD_MONTHLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 526 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 527 | case 0b1000: |
| Erman Komurcu |
0:aa73b3c9d246 | 528 | *period = ALARM_PERIOD_WEEKLY; |
| Erman Komurcu |
0:aa73b3c9d246 | 529 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 530 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 531 | |
| Erman Komurcu |
0:aa73b3c9d246 | 532 | ret = read_register(MAX31343_REG_INT_EN_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 533 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 534 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 535 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 536 | |
| Erman Komurcu |
0:aa73b3c9d246 | 537 | if (alarm_no == ALARM1) { |
| Erman Komurcu |
0:aa73b3c9d246 | 538 | *is_enabled = (reg & (1 << INTR_ID_ALARM1)) != 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 539 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 540 | *is_enabled = (reg & (1 << INTR_ID_ALARM2)) != 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 541 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 542 | |
| Erman Komurcu |
0:aa73b3c9d246 | 543 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 544 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 545 | |
| Erman Komurcu |
0:aa73b3c9d246 | 546 | int Max31343::powerfail_threshold_level(comp_thresh_t th) |
| Erman Komurcu |
0:aa73b3c9d246 | 547 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 548 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 549 | pwr_mgmt_reg_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 550 | |
| Erman Komurcu |
0:aa73b3c9d246 | 551 | ret = read_register(MAX31343_REG_PWR_MGMT_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 552 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 553 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 554 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 555 | |
| Erman Komurcu |
0:aa73b3c9d246 | 556 | reg.bits.pfvt = th; |
| Erman Komurcu |
0:aa73b3c9d246 | 557 | |
| Erman Komurcu |
0:aa73b3c9d246 | 558 | ret = write_register(MAX31343_REG_PWR_MGMT_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 559 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 560 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 561 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 562 | |
| Erman Komurcu |
0:aa73b3c9d246 | 563 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 564 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 565 | |
| Erman Komurcu |
0:aa73b3c9d246 | 566 | int Max31343::supply_select(power_mgmt_supply_t supply) |
| Erman Komurcu |
0:aa73b3c9d246 | 567 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 568 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 569 | pwr_mgmt_reg_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 570 | |
| Erman Komurcu |
0:aa73b3c9d246 | 571 | ret = read_register(MAX31343_REG_PWR_MGMT_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 572 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 573 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 574 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 575 | |
| Erman Komurcu |
0:aa73b3c9d246 | 576 | switch (supply) { |
| Erman Komurcu |
0:aa73b3c9d246 | 577 | case POW_MGMT_SUPPLY_SEL_VCC: |
| Erman Komurcu |
0:aa73b3c9d246 | 578 | reg.bits.d_man_sel = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 579 | reg.bits.d_vback_sel = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 580 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 581 | case POW_MGMT_SUPPLY_SEL_VBACK: |
| Erman Komurcu |
0:aa73b3c9d246 | 582 | reg.bits.d_man_sel = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 583 | reg.bits.d_vback_sel = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 584 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 585 | case POW_MGMT_SUPPLY_SEL_AUTO: |
| Erman Komurcu |
0:aa73b3c9d246 | 586 | default: |
| Erman Komurcu |
0:aa73b3c9d246 | 587 | reg.bits.d_man_sel = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 588 | break; |
| Erman Komurcu |
0:aa73b3c9d246 | 589 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 590 | |
| Erman Komurcu |
0:aa73b3c9d246 | 591 | ret = write_register(MAX31343_REG_PWR_MGMT_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 592 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 593 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 594 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 595 | |
| Erman Komurcu |
0:aa73b3c9d246 | 596 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 597 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 598 | |
| Erman Komurcu |
0:aa73b3c9d246 | 599 | int Max31343::trickle_charger_enable(trickle_charger_path_t path) |
| Erman Komurcu |
0:aa73b3c9d246 | 600 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 601 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 602 | struct { |
| Erman Komurcu |
0:aa73b3c9d246 | 603 | unsigned char path : 4; |
| Erman Komurcu |
0:aa73b3c9d246 | 604 | unsigned char tche : 4; |
| Erman Komurcu |
0:aa73b3c9d246 | 605 | } reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 606 | |
| Erman Komurcu |
0:aa73b3c9d246 | 607 | ret = read_register(MAX31343_REG_TRICKLE_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 608 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 609 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 610 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 611 | |
| Erman Komurcu |
0:aa73b3c9d246 | 612 | reg.tche = TRICKLE_ENABLE_CODE; |
| Erman Komurcu |
0:aa73b3c9d246 | 613 | reg.path = path; |
| Erman Komurcu |
0:aa73b3c9d246 | 614 | |
| Erman Komurcu |
0:aa73b3c9d246 | 615 | ret = write_register(MAX31343_REG_TRICKLE_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 616 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 617 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 618 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 619 | |
| Erman Komurcu |
0:aa73b3c9d246 | 620 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 621 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 622 | |
| Erman Komurcu |
0:aa73b3c9d246 | 623 | int Max31343::trickle_charger_disable() |
| Erman Komurcu |
0:aa73b3c9d246 | 624 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 625 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 626 | struct { |
| Erman Komurcu |
0:aa73b3c9d246 | 627 | unsigned char path : 4; |
| Erman Komurcu |
0:aa73b3c9d246 | 628 | unsigned char tche : 4; |
| Erman Komurcu |
0:aa73b3c9d246 | 629 | } reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 630 | |
| Erman Komurcu |
0:aa73b3c9d246 | 631 | |
| Erman Komurcu |
0:aa73b3c9d246 | 632 | ret = read_register(MAX31343_REG_TRICKLE_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 633 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 634 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 635 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 636 | |
| Erman Komurcu |
0:aa73b3c9d246 | 637 | reg.tche = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 638 | |
| Erman Komurcu |
0:aa73b3c9d246 | 639 | ret = write_register(MAX31343_REG_TRICKLE_REG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 640 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 641 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 642 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 643 | |
| Erman Komurcu |
0:aa73b3c9d246 | 644 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 645 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 646 | |
| Erman Komurcu |
0:aa73b3c9d246 | 647 | int Max31343::set_output_square_wave_frequency(square_wave_out_freq_t freq) |
| Erman Komurcu |
0:aa73b3c9d246 | 648 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 649 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 650 | config_reg2_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 651 | |
| Erman Komurcu |
0:aa73b3c9d246 | 652 | ret = read_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 653 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 654 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 655 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 656 | |
| Erman Komurcu |
0:aa73b3c9d246 | 657 | reg.bits.sqw_hz = freq; |
| Erman Komurcu |
0:aa73b3c9d246 | 658 | |
| Erman Komurcu |
0:aa73b3c9d246 | 659 | ret = write_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 660 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 661 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 662 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 663 | |
| Erman Komurcu |
0:aa73b3c9d246 | 664 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 665 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 666 | |
| Erman Komurcu |
0:aa73b3c9d246 | 667 | int Max31343::clko_enable(clko_freq_t freq) |
| Erman Komurcu |
0:aa73b3c9d246 | 668 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 669 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 670 | config_reg2_t cfg2; |
| Erman Komurcu |
0:aa73b3c9d246 | 671 | |
| Erman Komurcu |
0:aa73b3c9d246 | 672 | ret = read_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)&cfg2, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 673 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 674 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 675 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 676 | |
| Erman Komurcu |
0:aa73b3c9d246 | 677 | cfg2.bits.enclko = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 678 | cfg2.bits.clko_hz = freq; |
| Erman Komurcu |
0:aa73b3c9d246 | 679 | |
| Erman Komurcu |
0:aa73b3c9d246 | 680 | ret = write_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)&cfg2, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 681 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 682 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 683 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 684 | |
| Erman Komurcu |
0:aa73b3c9d246 | 685 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 686 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 687 | |
| Erman Komurcu |
0:aa73b3c9d246 | 688 | int Max31343::clko_disable() |
| Erman Komurcu |
0:aa73b3c9d246 | 689 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 690 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 691 | config_reg2_t cfg2; |
| Erman Komurcu |
0:aa73b3c9d246 | 692 | |
| Erman Komurcu |
0:aa73b3c9d246 | 693 | ret = read_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)&cfg2, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 694 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 695 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 696 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 697 | |
| Erman Komurcu |
0:aa73b3c9d246 | 698 | cfg2.bits.enclko = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 699 | |
| Erman Komurcu |
0:aa73b3c9d246 | 700 | ret = write_register(MAX31343_REG_CONFIG_REG2_ADDR, (uint8_t *)&cfg2, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 701 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 702 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 703 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 704 | |
| Erman Komurcu |
0:aa73b3c9d246 | 705 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 706 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 707 | |
| Erman Komurcu |
0:aa73b3c9d246 | 708 | int Max31343::timer_init(uint8_t value, bool repeat, timer_freq_t freq) |
| Erman Komurcu |
0:aa73b3c9d246 | 709 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 710 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 711 | timer_config_t reg_cfg; |
| Erman Komurcu |
0:aa73b3c9d246 | 712 | |
| Erman Komurcu |
0:aa73b3c9d246 | 713 | ret = read_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®_cfg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 714 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 715 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 716 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 717 | |
| Erman Komurcu |
0:aa73b3c9d246 | 718 | reg_cfg.bits.te = 0; /* timer is reset */ |
| Erman Komurcu |
0:aa73b3c9d246 | 719 | reg_cfg.bits.tpause = 1; /* timer is paused */ |
| Erman Komurcu |
0:aa73b3c9d246 | 720 | reg_cfg.bits.trpt = repeat ? 1 : 0; /* Timer repeat mode */ |
| Erman Komurcu |
0:aa73b3c9d246 | 721 | reg_cfg.bits.tfs = freq; /* Timer frequency */ |
| Erman Komurcu |
0:aa73b3c9d246 | 722 | |
| Erman Komurcu |
0:aa73b3c9d246 | 723 | ret = write_register(MAX31343_REG_TIMER_CONFIG_ADDR, |
| Erman Komurcu |
0:aa73b3c9d246 | 724 | (uint8_t *)®_cfg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 725 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 726 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 727 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 728 | |
| Erman Komurcu |
0:aa73b3c9d246 | 729 | ret = write_register(MAX31343_REG_TIMER_INIT_ADDR, (uint8_t *)&value, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 730 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 731 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 732 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 733 | |
| Erman Komurcu |
0:aa73b3c9d246 | 734 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 735 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 736 | |
| Erman Komurcu |
0:aa73b3c9d246 | 737 | uint8_t Max31343::timer_get() |
| Erman Komurcu |
0:aa73b3c9d246 | 738 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 739 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 740 | uint8_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 741 | |
| Erman Komurcu |
0:aa73b3c9d246 | 742 | ret = read_register(MAX31343_REG_TIMER_COUNT_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 743 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 744 | return (uint8_t) - 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 745 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 746 | |
| Erman Komurcu |
0:aa73b3c9d246 | 747 | return reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 748 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 749 | |
| Erman Komurcu |
0:aa73b3c9d246 | 750 | int Max31343::timer_start() |
| Erman Komurcu |
0:aa73b3c9d246 | 751 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 752 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 753 | timer_config_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 754 | |
| Erman Komurcu |
0:aa73b3c9d246 | 755 | ret = read_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 756 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 757 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 758 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 759 | |
| Erman Komurcu |
0:aa73b3c9d246 | 760 | reg.bits.te = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 761 | reg.bits.tpause = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 762 | |
| Erman Komurcu |
0:aa73b3c9d246 | 763 | ret = write_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 764 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 765 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 766 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 767 | |
| Erman Komurcu |
0:aa73b3c9d246 | 768 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 769 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 770 | |
| Erman Komurcu |
0:aa73b3c9d246 | 771 | int Max31343::timer_pause() |
| Erman Komurcu |
0:aa73b3c9d246 | 772 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 773 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 774 | timer_config_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 775 | |
| Erman Komurcu |
0:aa73b3c9d246 | 776 | ret = read_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 777 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 778 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 779 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 780 | |
| Erman Komurcu |
0:aa73b3c9d246 | 781 | reg.bits.te = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 782 | reg.bits.tpause = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 783 | |
| Erman Komurcu |
0:aa73b3c9d246 | 784 | ret = write_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 785 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 786 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 787 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 788 | |
| Erman Komurcu |
0:aa73b3c9d246 | 789 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 790 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 791 | |
| Erman Komurcu |
0:aa73b3c9d246 | 792 | int Max31343::timer_continue() |
| Erman Komurcu |
0:aa73b3c9d246 | 793 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 794 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 795 | timer_config_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 796 | |
| Erman Komurcu |
0:aa73b3c9d246 | 797 | ret = read_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 798 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 799 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 800 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 801 | |
| Erman Komurcu |
0:aa73b3c9d246 | 802 | reg.bits.te = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 803 | reg.bits.tpause = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 804 | |
| Erman Komurcu |
0:aa73b3c9d246 | 805 | ret = write_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 806 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 807 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 808 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 809 | |
| Erman Komurcu |
0:aa73b3c9d246 | 810 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 811 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 812 | |
| Erman Komurcu |
0:aa73b3c9d246 | 813 | int Max31343::timer_stop() |
| Erman Komurcu |
0:aa73b3c9d246 | 814 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 815 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 816 | timer_config_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 817 | |
| Erman Komurcu |
0:aa73b3c9d246 | 818 | ret = read_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 819 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 820 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 821 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 822 | |
| Erman Komurcu |
0:aa73b3c9d246 | 823 | reg.bits.te = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 824 | reg.bits.tpause = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 825 | |
| Erman Komurcu |
0:aa73b3c9d246 | 826 | ret = write_register(MAX31343_REG_TIMER_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 827 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 828 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 829 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 830 | |
| Erman Komurcu |
0:aa73b3c9d246 | 831 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 832 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 833 | |
| Erman Komurcu |
0:aa73b3c9d246 | 834 | int Max31343::data_retention_mode_config(int state) |
| Erman Komurcu |
0:aa73b3c9d246 | 835 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 836 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 837 | config_reg1_t cfg1; |
| Erman Komurcu |
0:aa73b3c9d246 | 838 | |
| Erman Komurcu |
0:aa73b3c9d246 | 839 | ret = read_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *)&cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 840 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 841 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 842 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 843 | |
| Erman Komurcu |
0:aa73b3c9d246 | 844 | if (state) { |
| Erman Komurcu |
0:aa73b3c9d246 | 845 | cfg1.bits.enosc = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 846 | cfg1.bits.data_reten = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 847 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 848 | cfg1.bits.enosc = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 849 | cfg1.bits.data_reten = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 850 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 851 | |
| Erman Komurcu |
0:aa73b3c9d246 | 852 | ret = write_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *)&cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 853 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 854 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 855 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 856 | |
| Erman Komurcu |
0:aa73b3c9d246 | 857 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 858 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 859 | |
| Erman Komurcu |
0:aa73b3c9d246 | 860 | int Max31343::data_retention_mode_enter() |
| Erman Komurcu |
0:aa73b3c9d246 | 861 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 862 | return data_retention_mode_config(1); |
| Erman Komurcu |
0:aa73b3c9d246 | 863 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 864 | |
| Erman Komurcu |
0:aa73b3c9d246 | 865 | int Max31343::data_retention_mode_exit() |
| Erman Komurcu |
0:aa73b3c9d246 | 866 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 867 | return data_retention_mode_config(0); |
| Erman Komurcu |
0:aa73b3c9d246 | 868 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 869 | |
| Erman Komurcu |
0:aa73b3c9d246 | 870 | int Max31343::i2c_timeout_config(int enable) |
| Erman Komurcu |
0:aa73b3c9d246 | 871 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 872 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 873 | config_reg1_t cfg1; |
| Erman Komurcu |
0:aa73b3c9d246 | 874 | |
| Erman Komurcu |
0:aa73b3c9d246 | 875 | ret = read_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *)&cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 876 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 877 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 878 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 879 | |
| Erman Komurcu |
0:aa73b3c9d246 | 880 | cfg1.bits.i2c_timeout = (enable) ? 1 : 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 881 | |
| Erman Komurcu |
0:aa73b3c9d246 | 882 | ret = write_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *)&cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 883 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 884 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 885 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 886 | |
| Erman Komurcu |
0:aa73b3c9d246 | 887 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 888 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 889 | |
| Erman Komurcu |
0:aa73b3c9d246 | 890 | int Max31343::i2c_timeout_enable() |
| Erman Komurcu |
0:aa73b3c9d246 | 891 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 892 | return i2c_timeout_config(1); |
| Erman Komurcu |
0:aa73b3c9d246 | 893 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 894 | |
| Erman Komurcu |
0:aa73b3c9d246 | 895 | int Max31343::i2c_timeout_disable() |
| Erman Komurcu |
0:aa73b3c9d246 | 896 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 897 | return i2c_timeout_config(0); |
| Erman Komurcu |
0:aa73b3c9d246 | 898 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 899 | |
| Erman Komurcu |
0:aa73b3c9d246 | 900 | int Max31343::read_temp(float *temp) |
| Erman Komurcu |
0:aa73b3c9d246 | 901 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 902 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 903 | uint8_t regs[2]; |
| Erman Komurcu |
0:aa73b3c9d246 | 904 | ts_config_t cfg_reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 905 | int itemp; |
| Erman Komurcu |
0:aa73b3c9d246 | 906 | |
| Erman Komurcu |
0:aa73b3c9d246 | 907 | ret = read_register(MAX31343_REG_TS_CONFIG_ADDR, (uint8_t *)&cfg_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 908 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 909 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 910 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 911 | |
| Erman Komurcu |
0:aa73b3c9d246 | 912 | if (cfg_reg.bits.automode) { /* manual mode */ |
| Erman Komurcu |
0:aa73b3c9d246 | 913 | /* trigger temperature reading */ |
| Erman Komurcu |
0:aa73b3c9d246 | 914 | cfg_reg.bits.oneshotmode = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 915 | |
| Erman Komurcu |
0:aa73b3c9d246 | 916 | ret = write_register(MAX31343_REG_TS_CONFIG_ADDR, (uint8_t *)&cfg_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 917 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 918 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 919 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 920 | |
| Erman Komurcu |
0:aa73b3c9d246 | 921 | while (cfg_reg.bits.oneshotmode) { |
| Erman Komurcu |
0:aa73b3c9d246 | 922 | ret = read_register(MAX31343_REG_TS_CONFIG_ADDR, (uint8_t *)&cfg_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 923 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 924 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 925 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 926 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 927 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 928 | |
| Erman Komurcu |
0:aa73b3c9d246 | 929 | ret = read_register(MAX31343_REG_TEMP_MSB_ADDR, regs, 2); |
| Erman Komurcu |
0:aa73b3c9d246 | 930 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 931 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 932 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 933 | |
| Erman Komurcu |
0:aa73b3c9d246 | 934 | itemp = ((regs[0] << 2) | (regs[1] >> 6)); |
| Erman Komurcu |
0:aa73b3c9d246 | 935 | if (regs[0] & 0x80) { /* if negative */ |
| Erman Komurcu |
0:aa73b3c9d246 | 936 | itemp |= -(1 << 10); /* sign extend */ |
| Erman Komurcu |
0:aa73b3c9d246 | 937 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 938 | |
| Erman Komurcu |
0:aa73b3c9d246 | 939 | *temp = (float)itemp / 4; /* LSB resolution: 0.25 C */ |
| Erman Komurcu |
0:aa73b3c9d246 | 940 | |
| Erman Komurcu |
0:aa73b3c9d246 | 941 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 942 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 943 | |
| Erman Komurcu |
0:aa73b3c9d246 | 944 | int Max31343::temp_sensor_config(bool automode, ttsint_t interval) |
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0:aa73b3c9d246 | 945 | { |
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0:aa73b3c9d246 | 946 | int ret; |
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0:aa73b3c9d246 | 947 | ts_config_t reg; |
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0:aa73b3c9d246 | 948 | |
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0:aa73b3c9d246 | 949 | ret = read_register(MAX31343_REG_TS_CONFIG_ADDR, (uint8_t *)®, 1); |
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0:aa73b3c9d246 | 950 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 951 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 952 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 953 | |
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0:aa73b3c9d246 | 954 | if (automode) { |
| Erman Komurcu |
0:aa73b3c9d246 | 955 | reg.bits.automode = 1; |
| Erman Komurcu |
0:aa73b3c9d246 | 956 | reg.bits.ttint = interval; |
| Erman Komurcu |
0:aa73b3c9d246 | 957 | } else { |
| Erman Komurcu |
0:aa73b3c9d246 | 958 | reg.bits.automode = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 959 | } |
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0:aa73b3c9d246 | 960 | |
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0:aa73b3c9d246 | 961 | ret = write_register(MAX31343_REG_TS_CONFIG_ADDR, (uint8_t *)®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 962 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 963 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 964 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 965 | |
| Erman Komurcu |
0:aa73b3c9d246 | 966 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 967 | } |
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0:aa73b3c9d246 | 968 | |
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0:aa73b3c9d246 | 969 | int Max31343::irq_enable(intr_id_t id) |
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0:aa73b3c9d246 | 970 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 971 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 972 | uint8_t reg; |
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0:aa73b3c9d246 | 973 | |
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0:aa73b3c9d246 | 974 | ret = read_register(MAX31343_REG_INT_EN_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 975 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 976 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 977 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 978 | |
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0:aa73b3c9d246 | 979 | reg |= (1 << id); |
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0:aa73b3c9d246 | 980 | |
| Erman Komurcu |
0:aa73b3c9d246 | 981 | ret = write_register(MAX31343_REG_INT_EN_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 982 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 983 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 984 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 985 | |
| Erman Komurcu |
0:aa73b3c9d246 | 986 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 987 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 988 | |
| Erman Komurcu |
0:aa73b3c9d246 | 989 | int Max31343::irq_disable(intr_id_t id) |
| Erman Komurcu |
0:aa73b3c9d246 | 990 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 991 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 992 | uint8_t reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 993 | |
| Erman Komurcu |
0:aa73b3c9d246 | 994 | ret = read_register(MAX31343_REG_INT_EN_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 995 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 996 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 997 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 998 | |
| Erman Komurcu |
0:aa73b3c9d246 | 999 | reg &= ~(1 << id); |
| Erman Komurcu |
0:aa73b3c9d246 | 1000 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1001 | ret = write_register(MAX31343_REG_INT_EN_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1002 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1003 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1004 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1005 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1006 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1007 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1008 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1009 | int Max31343::irq_disable_all() |
| Erman Komurcu |
0:aa73b3c9d246 | 1010 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1011 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1012 | uint8_t reg = 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1013 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1014 | ret = write_register(MAX31343_REG_INT_EN_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1015 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1016 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1017 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1018 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1019 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1020 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1021 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1022 | void Max31343::set_intr_handler(intr_id_t id, interrupt_handler_function func, void *cb) |
| Erman Komurcu |
0:aa73b3c9d246 | 1023 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1024 | interrupt_handler_list[id].func = func; |
| Erman Komurcu |
0:aa73b3c9d246 | 1025 | interrupt_handler_list[id].cb = cb; |
| Erman Komurcu |
0:aa73b3c9d246 | 1026 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1027 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1028 | void Max31343::post_interrupt_work() |
| Erman Komurcu |
0:aa73b3c9d246 | 1029 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1030 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1031 | uint8_t reg, inten, mask; |
| Erman Komurcu |
0:aa73b3c9d246 | 1032 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1033 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1034 | while (true) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1035 | Thread::signal_wait(POST_INTR_WORK_SIGNAL_ID); |
| Erman Komurcu |
0:aa73b3c9d246 | 1036 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1037 | ret = read_register(MAX31343_REG_INT_STATUS_REG_ADDR, ®, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1038 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1039 | pr_err("Read interrupt status register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1040 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1041 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1042 | ret = read_register(MAX31343_REG_INT_EN_REG_ADDR, &inten, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1043 | if (ret) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1044 | pr_err("Read interrupt enable register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1045 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1046 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1047 | for (int i = 0; i < INTR_ID_END; i++) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1048 | mask = (1 << i); |
| Erman Komurcu |
0:aa73b3c9d246 | 1049 | if ((reg & mask) && (inten & mask)) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1050 | if (interrupt_handler_list[i].func != NULL) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1051 | interrupt_handler_list[i] |
| Erman Komurcu |
0:aa73b3c9d246 | 1052 | .func(interrupt_handler_list[i].cb); |
| Erman Komurcu |
0:aa73b3c9d246 | 1053 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1054 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1055 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1056 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1057 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1058 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1059 | void Max31343::interrupt_handler() |
| Erman Komurcu |
0:aa73b3c9d246 | 1060 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1061 | post_intr_work_thread->signal_set(POST_INTR_WORK_SIGNAL_ID); |
| Erman Komurcu |
0:aa73b3c9d246 | 1062 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1063 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1064 | int Max31343::sw_reset_assert() |
| Erman Komurcu |
0:aa73b3c9d246 | 1065 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1066 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1067 | rtc_reset_reg_t rst_reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 1068 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1069 | ret = read_register(MAX31343_REG_RTC_RESET_ADDR, (uint8_t *) &rst_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1070 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1071 | pr_err("read_register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1072 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1073 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1074 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1075 | rst_reg.bits.swrst = 1; /* Put device in reset state */ |
| Erman Komurcu |
0:aa73b3c9d246 | 1076 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1077 | ret = write_register(MAX31343_REG_RTC_RESET_ADDR, (const uint8_t *) &rst_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1078 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1079 | pr_err("read_register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1080 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1081 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1082 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1083 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1084 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1085 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1086 | int Max31343::sw_reset_release() |
| Erman Komurcu |
0:aa73b3c9d246 | 1087 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1088 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1089 | rtc_reset_reg_t rst_reg; |
| Erman Komurcu |
0:aa73b3c9d246 | 1090 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1091 | ret = read_register(MAX31343_REG_RTC_RESET_ADDR, (uint8_t *) &rst_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1092 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1093 | pr_err("read_register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1094 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1095 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1096 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1097 | rst_reg.bits.swrst = 0; /* Remove device from reset state */ |
| Erman Komurcu |
0:aa73b3c9d246 | 1098 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1099 | ret = write_register(MAX31343_REG_RTC_RESET_ADDR, |
| Erman Komurcu |
0:aa73b3c9d246 | 1100 | (const uint8_t *) &rst_reg, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1101 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1102 | pr_err("read_register failed!"); |
| Erman Komurcu |
0:aa73b3c9d246 | 1103 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1104 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1105 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1106 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1107 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1108 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1109 | int Max31343::rtc_start() |
| Erman Komurcu |
0:aa73b3c9d246 | 1110 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1111 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1112 | config_reg1_t cfg1; |
| Erman Komurcu |
0:aa73b3c9d246 | 1113 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1114 | ret = read_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *) &cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1115 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1116 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1117 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1118 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1119 | cfg1.bits.enosc = 1; /* Enable the oscillator */ |
| Erman Komurcu |
0:aa73b3c9d246 | 1120 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1121 | ret = write_register(MAX31343_REG_CONFIG_REG1_ADDR, (const uint8_t *) &cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1122 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1123 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1124 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1125 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1126 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1127 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1128 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1129 | int Max31343::rtc_stop() |
| Erman Komurcu |
0:aa73b3c9d246 | 1130 | { |
| Erman Komurcu |
0:aa73b3c9d246 | 1131 | int ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1132 | config_reg1_t cfg1; |
| Erman Komurcu |
0:aa73b3c9d246 | 1133 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1134 | ret = read_register(MAX31343_REG_CONFIG_REG1_ADDR, (uint8_t *) &cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1135 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1136 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1137 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1138 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1139 | cfg1.bits.enosc = 0; /* Disable the oscillator */ |
| Erman Komurcu |
0:aa73b3c9d246 | 1140 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1141 | ret = write_register(MAX31343_REG_CONFIG_REG1_ADDR, |
| Erman Komurcu |
0:aa73b3c9d246 | 1142 | (const uint8_t *) &cfg1, 1); |
| Erman Komurcu |
0:aa73b3c9d246 | 1143 | if (ret < 0) { |
| Erman Komurcu |
0:aa73b3c9d246 | 1144 | return ret; |
| Erman Komurcu |
0:aa73b3c9d246 | 1145 | } |
| Erman Komurcu |
0:aa73b3c9d246 | 1146 | |
| Erman Komurcu |
0:aa73b3c9d246 | 1147 | return 0; |
| Erman Komurcu |
0:aa73b3c9d246 | 1148 | } |