a59eafbc9d
* fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * Initial add of @stickbreaker i2c * Add log_n * fix warnings when log is off * i2c code clean up and reorganization * add flags to interrupt allocator * fix sdmmc config * Fix warnings in EEPROM from @Curclamas * remove leftover TAG in EEPROM * fix errors with latest IDF * fix debug optimization (#1365) incorrect optimization for debugging tick markers. * Fix some missing BT header * Change BTSerial log calls * Update BLE lib * Arduino-ESP32 release management scripted (#1515) * Calculate an absolute path for a custom partitions table (#1452) * * Arduino-ESP32 release management scripted (ready-to-merge) * * secure env for espressif/arduino-esp32 * * build tests enabled * gitter webhook enabled * * gitter room link fixed * better comment * * filepaths fixed * BT Serial adjustments * * don't run sketch builds & tests for tagged builds * Return false from WiFi.hostByName() if hostname is not resolved * Free BT Memory when BT is not used * WIFI_MODE_NULL is not supported anymore * Select some key examples to build with PlatformIO to save some time * Update BLE lib * Fixed BLE lib * Major WiFi overhaul - auto reconnect on connection loss now works - moved to event groups - some code clean up and procedure optimizations - new methods to get a more elaborate system ststus * Add cmake tests to travis * Add initial AsyncUDP * Add NetBIOS lib and fix CMake includes * Add Initial WebServer * Fix WebServer and examples * travis not quiting on build fail * Try different travis build * Update IDF to aaf1239 * Fix WPS Example * fix script permission and add some fail tests to sketch builder * Add missing space in WiFiClient::write(Stream &stream)
73 lines
2.6 KiB
C
73 lines
2.6 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// modified Nov 2017 by Chuck Todd <StickBreaker> to support Interrupt Driven I/O
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#ifndef _ESP32_HAL_I2C_H_
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#define _ESP32_HAL_I2C_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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// External Wire.h equivalent error Codes
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typedef enum {
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I2C_ERROR_OK=0,
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I2C_ERROR_DEV,
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I2C_ERROR_ACK,
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I2C_ERROR_TIMEOUT,
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I2C_ERROR_BUS,
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I2C_ERROR_BUSY,
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I2C_ERROR_MEMORY,
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I2C_ERROR_CONTINUE,
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I2C_ERROR_NO_BEGIN
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} i2c_err_t;
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struct i2c_struct_t;
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typedef struct i2c_struct_t i2c_t;
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i2c_t * i2cInit(uint8_t i2c_num, int8_t sda, int8_t scl, uint32_t clk_speed);
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void i2cRelease(i2c_t *i2c); // free ISR, Free DQ, Power off peripheral clock. Must call i2cInit() to recover
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i2c_err_t i2cWrite(i2c_t * i2c, uint16_t address, uint8_t* buff, uint16_t size, bool sendStop, uint16_t timeOutMillis);
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i2c_err_t i2cRead(i2c_t * i2c, uint16_t address, uint8_t* buff, uint16_t size, bool sendStop, uint16_t timeOutMillis, uint32_t *readCount);
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i2c_err_t i2cFlush(i2c_t *i2c);
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i2c_err_t i2cSetFrequency(i2c_t * i2c, uint32_t clk_speed);
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uint32_t i2cGetFrequency(i2c_t * i2c);
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//Functions below should be used only if well understood
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//Might be deprecated and removed in future
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i2c_err_t i2cAttachSCL(i2c_t * i2c, int8_t scl);
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i2c_err_t i2cDetachSCL(i2c_t * i2c, int8_t scl);
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i2c_err_t i2cAttachSDA(i2c_t * i2c, int8_t sda);
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i2c_err_t i2cDetachSDA(i2c_t * i2c, int8_t sda);
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//Stickbreakers ISR Support
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i2c_err_t i2cProcQueue(i2c_t *i2c, uint32_t *readCount, uint16_t timeOutMillis);
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i2c_err_t i2cAddQueueWrite(i2c_t *i2c, uint16_t i2cDeviceAddr, uint8_t *dataPtr, uint16_t dataLen, bool SendStop, EventGroupHandle_t event);
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i2c_err_t i2cAddQueueRead(i2c_t *i2c, uint16_t i2cDeviceAddr, uint8_t *dataPtr, uint16_t dataLen, bool SendStop, EventGroupHandle_t event);
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//stickbreaker debug support
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void i2cDumpInts(uint8_t num);
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void i2cDumpI2c(i2c_t *i2c);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ESP32_HAL_I2C_H_ */
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