From 720eca7b94be1f41ec882ec6e344c719f8085448 Mon Sep 17 00:00:00 2001
From: lilian <lilian@CETS01.lan>
Date: Thu, 8 Sep 2016 08:55:42 +0200
Subject: [PATCH] master
---
extras/fast_i2c/component.mk | 10 ---
extras/fast_i2c/i2c.c | 161 -----------------------------------
extras/fast_i2c/i2c.h | 102 ----------------------
3 files changed, 273 deletions(-)
delete mode 100644 extras/fast_i2c/component.mk
delete mode 100644 extras/fast_i2c/i2c.c
delete mode 100644 extras/fast_i2c/i2c.h
diff --git a/extras/fast_i2c/component.mk b/extras/fast_i2c/component.mk
deleted file mode 100644
index 795c501..0000000
--- a/extras/fast_i2c/component.mk
+++ /dev/null
@@ -1,10 +0,0 @@
-# Component makefile for fast_i2c/i2c
-
-# expected anyone using i2c driver includes it as 'fast_i2c/i2c.h'
-INC_DIRS += $(i2c_ROOT)..
-
-# args for passing into compile rule generation
-i2c_INC_DIR =
-i2c_SRC_DIR = $(i2c_ROOT)
-
-$(eval $(call component_compile_rules,i2c))
diff --git a/extras/fast_i2c/i2c.c b/extras/fast_i2c/i2c.c
deleted file mode 100644
index 995497a..0000000
--- a/extras/fast_i2c/i2c.c
+++ /dev/null
@@ -1,161 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 Lilian Marazano (github.com/Zaltora)
- * Based on Baoshi i2c library <mail(at)ba0sh1(dot)com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "i2c.h"
-
-static uint8_t _scl_pin;
-static uint8_t _sda_pin;
-
-void i2c_init(uint8_t scl_pin, uint8_t sda_pin) {
-
- _scl_pin = scl_pin ;
- _sda_pin = sda_pin ;
-
- gpio_enable(_sda_pin, GPIO_OUT_OPEN_DRAIN);
- gpio_enable(_scl_pin, GPIO_OUT_OPEN_DRAIN);
- // Set idle bus high
- _SDA1;
- _SCL1;
-
- return;
-}
-
-uint8_t i2c_start(void) {
-
- _SDA1;
- _SCL1;
- _DELAY;
- if (_SDAX == 0) return false; // Bus busy
- _SDA0;
- _DELAY;
- _SCL0;
- return true;
-}
-
-void i2c_stop(void) {
-
- _SDA0;
- _SCL1;
- _DELAY;
- while (_SCLX == 0); // clock stretching
- _SDA1;
- _DELAY;
-}
-
-uint8_t i2c_write(uint8_t data) {
-
- uint8_t ibit;
- uint8_t ret;
-
- for (ibit = 0; ibit < 8; ++ibit)
- {
- if (data & 0x80)
- _SDA1;
- else
- _SDA0;
- _DELAY;
- _SCL1;
- _DELAY;
- data = data << 1;
- _SCL0;
- }
- _SDA1;
- _DELAY;
- _SCL1;
- _DELAY;
- ret = (_SDAX == 0);
- _SCL0;
- _DELAY;
-
- return ret;
-}
-
-uint8_t i2c_read(uint8_t ack) {
-
- uint8_t data = 0;
- uint8_t ibit = 8;
-
- _SDA1;
- while (ibit--)
- {
- data = data << 1;
- _SCL0;
- _DELAY;
- _SCL1;
- _DELAY;
- if (_SDAX)
- data = data | 0x01;
- }
- _SCL0;
- if (ack)
- _SDA1; // NACK
- else
- _SDA0; // ACK
- _DELAY;
- // Send clock
- _SCL1;
- _DELAY;
- _SCL0;
- _DELAY;
- // ACK end
- _SDA1;
-
- return data;
-}
-
-bool i2c_slave_read(uint8_t slave_addr, uint8_t data, uint8_t *buf, uint16_t len) {
-
- i2c_start();
- if(!i2c_write(slave_addr<<1)) goto fail_send; // adress + W
- if(!i2c_write(data)) goto fail_send; //Send byte
- i2c_start(); // restart condition
- if(!i2c_write((slave_addr<<1) | 1)) goto fail_send; // adress + R
-
- while(--len) {
- *(buf++) = i2c_read(0);
- }
- *buf = i2c_read(1);
- i2c_stop();
- return true;
-
- fail_send:
- i2c_stop();
- return false ;
-}
-
-bool i2c_slave_write(uint8_t slave_addr, uint8_t *buf, uint16_t len) {
-
- i2c_start();
- if(!i2c_write(slave_addr<<1)) goto fail_send ; // adress + W
- while (len--) {
- if(!i2c_write((uint8_t) *(buf++))) goto fail_send ;
- }
- i2c_stop();
- return true;
-
- fail_send:
- i2c_stop();
- return false ;
-}
diff --git a/extras/fast_i2c/i2c.h b/extras/fast_i2c/i2c.h
deleted file mode 100644
index b9f54b4..0000000
--- a/extras/fast_i2c/i2c.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2015 Lilian Marazano (github.com/Zaltora)
- * Based on Baoshi i2c library <mail(at)ba0sh1(dot)com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef __I2C_H__
-#define __I2C_H__
-#endif
-
-#include <esp8266.h>
-#include <espressif/esp_misc.h> // sdk_os_delay_us
-#include <stdint.h>
-#include <stdbool.h>
-
-
-//#define _DELAY sdk_os_delay_us(1) // can up to 300kHz max
-#define _DELAY for (volatile uint32_t __j = 3; __j > 0; __j--) // can up to 1.9MHz max at 160MHz clock
-
-// if you want use an other API for GPIO or use GPIO16, change here
-#define _SDA1 gpio_write(_sda_pin, 1)
-#define _SDA0 gpio_write(_sda_pin, 0)
-
-#define _SCL1 gpio_write(_scl_pin, 1)
-#define _SCL0 gpio_write(_scl_pin, 0)
-
-#define _SDAX gpio_read(_sda_pin)
-#define _SCLX gpio_read(_scl_pin)
-
-
-/**
- * @brief Init I2C bus
- * @param scl_pin SCL pin number
- * @param sda_pin SDA pin number
- */
-void i2c_init(uint8_t scl_pin, uint8_t sda_pin) ;
-
-/**
- * @brief Send data to I2C bus
- * @param data Data to send
- * @return true if ACK is received at end of sending. False if not ACK'ed
- */
-uint8_t i2c_write(uint8_t data);
-
-/**
- * @brief Read data from I2C bus
- * @param ack ACK (true) or NACK (false)
- * @return Data read
- */
-uint8_t i2c_read(uint8_t ack);
-
-
-
-/**
- * @brief Send I2C start bit
- * @return true if start successfully. Otherwise the bus is busy
- */
-uint8_t i2c_start(void);
-
-/**
- * @brief Send I2C stop bit
- */
-void i2c_stop(void);
-
-/**
- * @brief Write multiple bytes to a device.
- * @param slave_addr I2C slave device address
- * @param buf Buffer to copy new data from
- * @param len Number of bytes to write
- * @return Status of operation (true = success)
- */
-bool i2c_slave_write(uint8_t slave_addr, uint8_t *buf, uint16_t len);
-
-/**
- * @brief Read multiple bytes from a device register.
- * @param slave_addr I2C slave device address
- * @param data First register to read from
- * @param buf Buffer to store read data in
- * @param len Number of bytes to read
- * @return Status of read operation (true = success)
- */
-bool i2c_slave_read(uint8_t slave_addr, uint8_t data, uint8_t *buf, uint16_t len);
-