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authorAlexsander Akers <me@a2.io>2022-01-25 15:03:22 -0500
committerGitHub <noreply@github.com>2022-01-25 15:03:22 -0500
commitb8de35658ffd78ad8b22f91ccbbd3d63663afda9 (patch)
tree1f265ddfcc8e5abf0316b81b15f80bf5c70fa7b7 /watch-library/watch/watch_i2c.h
parent9e24f6c336773c7404139ab4db0eaab2f99504e2 (diff)
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Sensor Watch Simulator (#35)
* Put something on screen * Use the 32bit watch_date_time repr to pass from JS * Implement periodic callbacks * Clear display on enabling * Hook up watch_set_led_color() to SVG (green-only) * Make debug output full-width * Remove default Emscripten canvas * Implement sleep and button clicks * Fix time zone conversion bug in beats-time app * Clean up warnings * Fix pin levels * Set time zone to browser value (if available) * Add basic backup data saving * Silence format specifier warnings in both targets * Remove unnecessary, copied files * Use RTC pointer to clear callbacks (if available) * Use preprocessor define to avoid hardcoding MOVEMENT_NUM_FACES * Change each face to const preprocessor definition * Remove Intl.DateTimeFormat usage * Update shell.html title, header * Add touch start/end event handlers on SVG buttons * Update shell.html * Update folder structure (shared, simulator, hardware under watch-library) * Tease out shared components from watch_slcd * Clean up simulator watch_slcd.c inline JS calls * Fix missing newlines at end of file * Add simulator warnings (except format, unused-paremter) * Implement remaining watch_rtc functions * Fix button bug on mouse down then drag out * Implement remaining watch_slcd functions * Link keyboard events to buttons (for keys A, L, M) * Rewrite event handling (mouse, touch, keyboard) in C * Set explicit text UTF-8 charset in shell.html * Address PR comments * Remove unused directories from include paths
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-/*
- * MIT License
- *
- * Copyright (c) 2020 Joey Castillo
- *
- * 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 _WATCH_I2C_H_INCLUDED
-#define _WATCH_I2C_H_INCLUDED
-////< @file watch_i2c.h
-
-#include "watch.h"
-
-/** @addtogroup i2c I2C Controller Driver
- * @brief This section covers functions related to the SAM L22's built-I2C driver, including
- * configuring the I2C bus, putting values directly on the bus and reading data from
- * registers on I2C devices.
- */
-/// @{
-/** @brief Enables the I2C peripheral. Call this before attempting to interface with I2C devices.
- */
-void watch_enable_i2c(void);
-
-/** @brief Disables the I2C peripheral.
- */
-void watch_disable_i2c(void);
-
-/** @brief Sends a series of values to a device on the I2C bus.
- * @param addr The address of the device you wish to talk to.
- * @param buf A series of unsigned bytes; the data you wish to transmit.
- * @param length The number of bytes in buf that you wish to send.
- */
-void watch_i2c_send(int16_t addr, uint8_t *buf, uint16_t length);
-
-/** @brief Receives a series of values from a device on the I2C bus.
- * @param addr The address of the device you wish to hear from.
- * @param buf Storage for the incoming bytes; on return, it will contain the received data.
- * @param length The number of bytes that you wish to receive.
- */
-void watch_i2c_receive(int16_t addr, uint8_t *buf, uint16_t length);
-
-/** @brief Writes a byte to a register in an I2C device.
- * @param addr The address of the device you wish to address.
- * @param reg The register on the device that you wish to set.
- * @param data The value that you wish to set the register to.
- */
-void watch_i2c_write8(int16_t addr, uint8_t reg, uint8_t data);
-
-/** @brief Reads a byte from a register in an I2C device.
- * @param addr The address of the device you wish to address.
- * @param reg The register on the device that you wish to read.
- * @return An unsigned byte representing the value of the register that was read.
- */
-uint8_t watch_i2c_read8(int16_t addr, uint8_t reg);
-
-/** @brief Reads an unsigned little-endian word from a register in an I2C device.
- * @param addr The address of the device you wish to address.
- * @param reg The register on the device that you wish to read.
- * @return An unsigned word representing the value of the register that was read.
- * @note This reads two bytes into the word in bus order. If the device returns
- the LSB first and then the MSB, you can use this value as returned.
- If the device returns the data in big-endian order or uses some other
- kind of fancy bit packing, you may need to shuffle some bits around.
- */
-uint16_t watch_i2c_read16(int16_t addr, uint8_t reg);
-
-/** @brief Reads three bytes as an unsigned little-endian int from a register in an I2C device.
- * @param addr The address of the device you wish to address.
- * @param reg The register on the device that you wish to read.
- * @return An unsigned word representing the value of the register that was read.
- * @note This reads three bytes into the word in bus order. If the device returns
- these bytes LSB first, you can use this value as returned. If there is a
- sign bit, the device returns the data in big-endian order, or it uses some
- other kind of fancy bit packing, you may need to shuffle some bits around.
- */
-uint32_t watch_i2c_read24(int16_t addr, uint8_t reg);
-
-
-/** @brief Reads an unsigned little-endian int from a register in an I2C device.
- * @param addr The address of the device you wish to address.
- * @param reg The register on the device that you wish to read.
- * @return An unsigned word representing the value of the register that was read.
- * @note This reads three bytes into the word in bus order. If the device returns
- these bytes LSB first, you can use this value as returned. If the device
- returns the data in big-endian order, or it uses some other kind of fancy
- bit packing, you may need to shuffle some bits around.
- */
-uint32_t watch_i2c_read32(int16_t addr, uint8_t reg);
-/// @}
-#endif