| /* |
| * Copyright (c) 2016 Intel Corporation |
| * Copyright (c) 2015 Jules Dourlens (jdourlens@gmail.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. |
| */ |
| |
| #pragma once |
| |
| #include "uart.h" |
| |
| #define MODE_INPUT 0x00 |
| #define MODE_OUTPUT 0x01 |
| #define MODE_ANALOG 0x02 |
| #define MODE_PWM 0x03 |
| #define MODE_SERVO 0x04 |
| #define MODE_SHIFT 0x05 |
| #define MODE_I2C 0x06 |
| |
| #define LOW 0 |
| #define HIGH 1 |
| |
| #define FIRMATA_START_SYSEX 0xF0 // start a MIDI Sysex message |
| #define FIRMATA_END_SYSEX 0xF7 // end a MIDI Sysex message |
| #define FIRMATA_PIN_MODE_QUERY 0x72 // ask for current and supported pin modes |
| #define FIRMATA_PIN_MODE_RESPONSE 0x73 // reply with current and supported pin modes |
| #define FIRMATA_PIN_STATE_QUERY 0x6D |
| #define FIRMATA_PIN_STATE_RESPONSE 0x6E |
| #define FIRMATA_CAPABILITY_QUERY 0x6B |
| #define FIRMATA_CAPABILITY_RESPONSE 0x6C |
| #define FIRMATA_ANALOG_MAPPING_QUERY 0x69 |
| #define FIRMATA_ANALOG_MAPPING_RESPONSE 0x6A |
| |
| #define FIRMATA_DIGITAL_MESSAGE 0x90 // send data for a digital pin |
| #define FIRMATA_ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM) |
| #define FIRMATA_ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM) |
| #define FIRMATA_REPORT_ANALOG 0xC0 // enable analog input by pin # |
| #define FIRMATA_REPORT_DIGITAL 0xD0 // enable digital input by port pair |
| |
| #define FIRMATA_I2C_CONFIG 0x78 |
| #define FIRMATA_I2C_REPLY 0x77 |
| #define FIRMATA_I2C_REQUEST 0x76 |
| |
| #define I2C_MODE_WRITE 0x00 |
| #define I2C_MODE_READ 0x01 |
| #define I2C_CONTINUOUSREAD 0x02 |
| #define I2C_STOP_READING 0x03 |
| |
| #define FIRMATA_SET_PIN_MODE 0xF4 // set a pin to INPUT/OUTPUT/PWM/etc |
| |
| #define FIRMATA_REPORT_VERSION 0xF9 // report protocol version |
| #define FIRMATA_SYSTEM_RESET 0xFF // reset from MIDI |
| |
| #define FIRMATA_START_SYSEX 0xF0 // start a MIDI Sysex message |
| #define FIRMATA_END_SYSEX 0xF7 // end a MIDI Sysex message |
| |
| // extended command set using sysex (0-127/0x00-0x7F) |
| /* 0x00-0x0F reserved for custom commands */ |
| #define FIRMATA_SERVO_CONFIG 0x70 // set max angle, minPulse, maxPulse, freq |
| #define FIRMATA_STRING 0x71 // a string message with 14-bits per char |
| #define FIRMATA_REPORT_FIRMWARE 0x79 // report name and version of the firmware |
| #define FIRMATA_SYSEX_NON_REALTIME 0x7E // MIDI Reserved for non-realtime messages |
| #define FIRMATA_SYSEX_REALTIME 0x7F // MIDI Reserved for realtime messages |
| |
| #define FIRMATA_MSG_LEN 1024 |
| |
| typedef struct s_pin { |
| uint8_t mode; |
| uint8_t analog_channel; |
| uint64_t supported_modes; |
| uint32_t value; |
| } t_pin; |
| |
| typedef struct s_firmata { |
| mraa_uart_context uart; |
| t_pin pins[128]; |
| int i2cmsg[256][256]; |
| int parse_command_len; |
| int parse_count; |
| uint8_t parse_buff[FIRMATA_MSG_LEN]; |
| int isReady; |
| char firmware[140]; |
| uint8_t dev_count; |
| struct _firmata** devs; |
| } t_firmata; |
| |
| t_firmata* firmata_new(const char* name); |
| void firmata_initPins(t_firmata* firmata); |
| int firmata_askFirmware(t_firmata* firmata); |
| int firmata_pinMode(t_firmata* firmata, int pin, int mode); |
| int firmata_digitalWrite(t_firmata* firmata, int pin, int value); |
| int firmata_analogWrite(t_firmata* firmata, int pin, int value); |
| int firmata_analogRead(t_firmata* firmata, int pin); |
| int firmata_pull(t_firmata* firmata); |
| void firmata_parse(t_firmata* firmata, const uint8_t* buf, int len); |
| void firmata_endParse(t_firmata* firmata); |
| void firmata_close(t_firmata* firmata); |