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Importing my changes
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ficeto authored and ficeto committed Apr 30, 2015
1 parent cf9da93 commit fbec557
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Showing 32 changed files with 1,427 additions and 1,224 deletions.
2 changes: 2 additions & 0 deletions .gitignore
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Expand Up @@ -56,3 +56,5 @@ avr-toolchain-*.zip
/hardware/tools/gcc-arm-none-eabi-4.8.3-2014q1/
/hardware/tools/bossac.exe
/hardware/tools/listComPorts.exe

build/macosx/esptool-*-osx.zip
59 changes: 48 additions & 11 deletions cores/esp8266/Arduino.h
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Expand Up @@ -36,17 +36,27 @@ extern "C" {
#include "stdlib_noniso.h"
#include "binary.h"
#include "pgmspace.h"
#include "esp8266_peri.h"
#include "si2c.h"

void yield(void);

#define HIGH 0x1
#define LOW 0x0

#define INPUT 0x0
#define OUTPUT 0x1
#define INPUT_PULLUP 0x2
#define INPUT_PULLDOWN 0x3
#define OUTPUT_OPEN_DRAIN 0x4
#define PWMRANGE 1023

//GPIO FUNCTIONS
#define INPUT 0x00
#define OUTPUT 0x01
#define INPUT_PULLUP 0x02
#define INPUT_PULLDOWN 0x04
#define SPECIAL 0xF8 //defaults to the usable BUSes uart0rx/tx uart1tx and hspi
#define FUNCTION_0 0x08
#define FUNCTION_1 0x18
#define FUNCTION_2 0x28
#define FUNCTION_3 0x38
#define FUNCTION_4 0x48

#define PI 3.1415926535897932384626433832795
#define HALF_PI 1.5707963267948966192313216916398
Expand All @@ -61,13 +71,41 @@ void yield(void);
#define LSBFIRST 0
#define MSBFIRST 1

#define CHANGE 1
#define FALLING 2
#define RISING 3
//Interrupt Modes
#define DISABLED 0x00
#define RISING 0x01
#define FALLING 0x02
#define CHANGE 0x03
#define ONLOW 0x04
#define ONHIGH 0x05
#define ONLOW_WE 0x0C
#define ONHIGH_WE 0x0D

#define DEFAULT 1
#define EXTERNAL 0

//timer dividers
#define TIM_DIV1 0 //80MHz (80 ticks/us - 104857.588 us max)
#define TIM_DIV16 1 //5MHz (5 ticks/us - 1677721.4 us max)
#define TIM_DIV265 3 //312.5Khz (1 tick = 3.2us - 26843542.4 us max)
//timer int_types
#define TIM_EDGE 0
#define TIM_LEVEL 1
//timer reload values
#define TIM_SINGLE 0 //on interrupt routine you need to write a new value to start the timer again
#define TIM_LOOP 1 //on interrupt the counter will start with the same value again

#define timer1_read() (T1V)
#define timer1_enabled() ((T1C & (1 << TCTE)) != 0)
#define timer1_interrupted() ((T1C & (1 << TCIS)) != 0)

void timer1_isr_init(void);
void timer1_enable(uint8_t divider, uint8_t int_type, uint8_t reload);
void timer1_disable(void);
void timer1_attachInterrupt(void (*userFunc)(void));
void timer1_detachInterrupt(void);
void timer1_write(uint32_t ticks); //maximum ticks 8388607

// undefine stdlib's abs if encountered
#ifdef abs
#undef abs
Expand Down Expand Up @@ -145,13 +183,12 @@ void loop(void);

uint32_t digitalPinToPort(uint32_t pin);
uint32_t digitalPinToBitMask(uint32_t pin);
#define analogInPinToBit(P) (P)
volatile uint32_t* portOutputRegister(uint32_t port);
volatile uint32_t* portInputRegister(uint32_t port);
volatile uint32_t* portModeRegister(uint32_t port);

#define NOT_A_PIN 0
#define NOT_A_PORT 0
#define NOT_A_PIN -1
#define NOT_A_PORT -1
#define NOT_AN_INTERRUPT -1

#ifdef __cplusplus
Expand Down
61 changes: 61 additions & 0 deletions cores/esp8266/core_esp8266_timer.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,61 @@
/*
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"

void (*timer1_user_cb)(void);

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();
}

void timer1_attachInterrupt(void (*userFunc)(void)) {
timer1_user_cb = userFunc;
ETS_FRC1_INTR_ENABLE();
}

void timer1_detachInterrupt() {
timer1_user_cb = 0;
TEIE &= ~TEIE1;//edge int disable
ETS_FRC1_INTR_DISABLE();
}

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;
}

void timer1_write(uint32_t ticks){
T1L = ((ticks) & 0x7FFFFF);
if((T1C & (1 << TCIT)) == 0) TEIE |= TEIE1;//edge int enable
}

void timer1_disable(){
T1C = 0;
T1I = 0;
}

void timer1_isr_init(){
ETS_FRC_TIMER1_INTR_ATTACH(timer1_isr_handler, NULL);
}
69 changes: 45 additions & 24 deletions cores/esp8266/core_esp8266_wiring_analog.c
Original file line number Diff line number Diff line change
@@ -1,35 +1,56 @@
/*
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"

void analogReference(uint8_t mode) {
}
void analogReference(uint8_t mode) {}

extern int __analogRead(uint8_t pin) {
if(pin == 0)
return system_adc_read();

return 0;
if(pin == 17){
//return system_adc_read();
uint8_t i;
uint16_t data[8];

rom_i2c_writeReg_Mask(0x6C,2,0,5,5,1);

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);

read_sar_dout(data);
rom_i2c_writeReg_Mask(0x6C,2,0,5,5,1);

while ((ESP8266_REG(0xD50) & (7 << 24)) > 0);
ESP8266_REG(0xD5C) &= ~(1 << 21);
ESP8266_REG(0xD60) |= (1 << 0);
ESP8266_REG(0xD60) &= ~(1 << 0);

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;
}

extern int analogRead(uint8_t pin) __attribute__ ((weak, alias("__analogRead")));
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