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ficeto
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Apr 30, 2015
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61 changes: 61 additions & 0 deletions
61
hardware/esp8266com/esp8266/cores/esp8266/core_esp8266_timer.c
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/* | ||
timer.c - Timer1 library for esp8266 | ||
Copyright (c) 2015 Hristo Gochkov. All rights reserved. | ||
This file is part of the esp8266 core for Arduino environment. | ||
This library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
This library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with this library; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
*/ | ||
#include "wiring_private.h" | ||
#include "pins_arduino.h" | ||
#include "c_types.h" | ||
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void (*timer1_user_cb)(void); | ||
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void timer1_isr_handler(void *para){ | ||
if((T1C & ((1 << TCAR) | (1 << TCIT))) == 0) TEIE &= ~TEIE1;//edge int disable | ||
T1I = 0; | ||
if(timer1_user_cb) timer1_user_cb(); | ||
} | ||
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void timer1_attachInterrupt(void (*userFunc)(void)) { | ||
timer1_user_cb = userFunc; | ||
ETS_FRC1_INTR_ENABLE(); | ||
} | ||
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void timer1_detachInterrupt() { | ||
timer1_user_cb = 0; | ||
TEIE &= ~TEIE1;//edge int disable | ||
ETS_FRC1_INTR_DISABLE(); | ||
} | ||
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void timer1_enable(uint8_t divider, uint8_t int_type, uint8_t reload){ | ||
T1C = (1 << TCTE) | ((divider & 3) << TCPD) | ((int_type & 1) << TCIT) | ((reload & 1) << TCAR); | ||
T1I = 0; | ||
} | ||
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void timer1_write(uint32_t ticks){ | ||
T1L = ((ticks) & 0x7FFFFF); | ||
if((T1C & (1 << TCIT)) == 0) TEIE |= TEIE1;//edge int enable | ||
} | ||
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void timer1_disable(){ | ||
T1C = 0; | ||
T1I = 0; | ||
} | ||
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void timer1_isr_init(){ | ||
ETS_FRC_TIMER1_INTR_ATTACH(timer1_isr_handler, NULL); | ||
} |
69 changes: 45 additions & 24 deletions
69
hardware/esp8266com/esp8266/cores/esp8266/core_esp8266_wiring_analog.c
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/* | ||
core_esp8266_analog.c - an interface to the esp8266 ADC | ||
analog.c - analogRead implementation for esp8266 | ||
Copyright (c) 2014 Ivan Grokhotkov. All rights reserved. | ||
This file is part of the esp8266 core for Arduino environment. | ||
Copyright (c) 2015 Hristo Gochkov. All rights reserved. | ||
This file is part of the esp8266 core for Arduino environment. | ||
This library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
This library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with this library; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
*/ | ||
|
||
This library is free software; you can redistribute it and/or | ||
modify it under the terms of the GNU Lesser General Public | ||
License as published by the Free Software Foundation; either | ||
version 2.1 of the License, or (at your option) any later version. | ||
This library is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
Lesser General Public License for more details. | ||
You should have received a copy of the GNU Lesser General Public | ||
License along with this library; if not, write to the Free Software | ||
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
*/ | ||
#include "wiring_private.h" | ||
#include "pins_arduino.h" | ||
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void analogReference(uint8_t mode) { | ||
} | ||
void analogReference(uint8_t mode) {} | ||
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extern int __analogRead(uint8_t pin) { | ||
if(pin == 0) | ||
return system_adc_read(); | ||
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return 0; | ||
if(pin == 17){ | ||
//return system_adc_read(); | ||
uint8_t i; | ||
uint16_t data[8]; | ||
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rom_i2c_writeReg_Mask(0x6C,2,0,5,5,1); | ||
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ESP8266_REG(0xD5C) |= (1 << 21); | ||
while ((ESP8266_REG(0xD50) & (7 << 24)) > 0); | ||
ESP8266_REG(0xD50) &= ~(1 << 1); | ||
ESP8266_REG(0xD50) |= (1 << 1); | ||
delayMicroseconds(2); | ||
while ((ESP8266_REG(0xD50) & (7 << 24)) > 0); | ||
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read_sar_dout(data); | ||
rom_i2c_writeReg_Mask(0x6C,2,0,5,5,1); | ||
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while ((ESP8266_REG(0xD50) & (7 << 24)) > 0); | ||
ESP8266_REG(0xD5C) &= ~(1 << 21); | ||
ESP8266_REG(0xD60) |= (1 << 0); | ||
ESP8266_REG(0xD60) &= ~(1 << 0); | ||
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uint16_t tout = 0; | ||
for (i = 0; i < 8; i++) tout += data[i]; | ||
return tout >> 4;//tout is 10 bits fraction | ||
} | ||
return digitalRead(pin) * 1023; | ||
} | ||
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extern int analogRead(uint8_t pin) __attribute__ ((weak, alias("__analogRead"))); |
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