Uchida Masayuki
/
FootileSoftware
test
Diff: DRV2605.h
- Revision:
- 0:03cdee95fb5a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DRV2605.h Wed May 30 02:34:33 2018 +0000 @@ -0,0 +1,210 @@ +/* + Taku Hachisu 06/01/2017 + Modifined by Masayuki Uchida 10/18/2017 + + Library for the TI DRV2605L for LRA + Modifined from Bryce WilliamsBryce Williams's code + + References: + http://www.ti.com/product/DRV2605L/description&lpos=Middle_Container&lid=Alternative_Devices + http://www.ti.com/lit/ds/symlink/drv2605l.pdf (Datasheet) + http://www.ti.com/lit/an/sloa189/sloa189.pdf (Setup Guide; SLOA189) + https://developer.mbed.org/users/electromotivated/code/DRV2605/ +*/ + +#ifndef DRV2605_H +#define DRV2605_H + +#include "mbed.h" + +/****************************************************************************** +***** DRV2605 Addresses +******************************************************************************/ +#define SLAVE_ADDR_7_BIT 0x5A // 7-bit slave address + +/****************************************************************************** +****** DRV2605 REGISTERS ****************************************************** +******************************************************************************/ +#define STATUS 0x00 +#define MODE 0x01 +#define REAL_TIME_PLAYBACK 0x02 +#define LIBRARY_SELECTION 0x03 +#define WAVEFORM_SEQUENCER_1 0x04 +#define WAVEFORM_SEQUENCER_2 0x05 +#define WAVEFORM_SEQUENCER_3 0x06 +#define WAVEFORM_SEQUENCER_4 0x07 +#define WAVEFORM_SEQUENCER_5 0x08 +#define WAVEFORM_SEQUENCER_6 0x09 +#define WAVEFORM_SEQUENCER_7 0x0A +#define WAVEFORM_SEQUENCER_8 0x0B +#define GO 0x0C +#define OVERDRIVE_TIME_OFFSET 0x0D +#define POSITIVE_SUSTAIN_TIME_OFFSET 0x0E +#define NEGATIVE_SUSTAIN_TIME_OFFSET 0x0F +#define BRAKE_TIME_OFFSET 0x10 +#define AUDIO_TO_VIBE_CONTROL 0x11 +#define AUDIO_TO_VIBE_MINIMUM_INPUT_LEVEL 0x12 +#define AUDIO_TO_VIBE_MAXIMUM_INPUT_LEVEL 0x13 +#define AUDIO_TO_VIBE_MINIMUM_OUPUT_DRIVE 0x14 +#define AUDIO_TO_VIBE_MAXIMUM_OUTPUT_DRIVE 0x15 +#define RATED_VOLTAGE 0x16 +#define OVERDRIVE_CLAMP_VOLTAGE 0x17 +#define AUTO_CALIBRATION_COMPENSATION_RESULT 0x18 +#define AUTO_CALIBRATION_BACK_EMF_RESULT 0x19 +#define FEEDBACK_CONTROL 0x1A +#define CONTROL 0x1B +#define CONTROL2 0x1C +#define CONTROL3 0x1D +#define CONTROL4 0x1E +#define CONTROL5 0x1F +#define LRA_OPEN_LOOP_PERIOD 0x20 +#define VBAT_VOLTAGE_MONITOR 0x21 +#define LRA_RESONANCE_PERIOD 0x22 + +class DRV2605{ + + public: + //// modes defines the possible modes of the DRV2605L + enum Mode{ + INTERNAL_TRIG, // 0x00: Waveforms fired by Setting GO bit in Register 0x0C + EXTERNAL_EDGE, // 0x01: Rising Edge on IN/TRIG pin set GO Bit. + EXTERNAL_LEVEL, // 0x02: GO bit follows state of edge on IN/TRIG pin. + PWM_ANALOG, // 0x03: PWM or Analog Signal accepted at IN/TRIG pin. + AUDIO_TO_VIBE, // 0x04: An AC-coupled audio signal is accepted at the IN/TRIG pin. + RTP, // 0x05: Real- Time Playback + DIAG, // 0x06: Set to perform actuator diagnostics + AUTO_CAL, // 0x07: Set to perform auto calibration of device for actuator + STANDBY = 0x40, // 0x40: Set Device to Software Standby (Low- Power Mode) + RESET = 0x80, // 0x80: Reset Device (equivalent of power cycling the device) + }; + + //// FeedBack_Controls Fields Bitmasks (Register Addr: 0x1A) + enum Actuator_Type{ERM = 0, LRA = 0x80}; // bit-7 + enum Brake_Factor{x1 = 0x00, x2 = 0x10, x3 = 0x20, + x4 = 0x40, x6 = 0x80, x8 = 0x50, + x16 = 0x60, DISABLE = 0x70}; // bit-6..4 + enum Loop_Gain{LOW = 0x00, + MED = 0x04, + HIGH = 0x08, + VERY_HIGH = 0x0C}; // bit-3..2 + + enum Library{EMPTY, A, B, C, D, E, + LRA_LIB, F}; // ROM Waveform Library Selections + + enum AUD { + a=0x00,b=0x44,c=0x55 + }; + + /** + Constructor for DRV2605 Objects + */ + DRV2605(PinName sda, PinName scl, PinName en); + + /** + Write value to specified register of device + @param reg The device register to write + @param value The value to write to the register + */ + void i2cWriteByte(char reg, char value); + + /** + Read value from register of device + @param reg The device register to read + @return The result + */ + uint8_t i2cReadByte(char reg); + + /** + Place device into specified mode + @param mode The mode to place device into + */ + void mode(Mode mode); + + /** + TODO: Expand to allow initialization for LRAs and Closed Loop operation + Initialize the device for Open- Loop ERM mode using specified ROM + Waveform Library as specified in Section 9.3 of Device Datasheet. + See also Device Setup Guide 1.6.1 ERM Initialization Example + @param actuator_peak_voltage The Peak Voltage Rating of Actuator + @param lib The ROM Waveform Library to use + */ + int init(float actuator_peak_voltage, Library lib = B); + + /** + Runs diagnostics on the Actuator and Device and returns the results. + The results indicate if an actuator is detected, over- current events, + etc. Refer to STATUS Register (0x00) in device datasheet for more + description register values. + + Note: This should be run if the user is having trouble getting the actuator + to work. + + @return The results of the diagnostics (i.e. Status Reg (0x00)) + */ + uint8_t diagnostics(); + + /** + Play single waveform from ROM Library as outlined in Section 9.3.2.1 + of Device Datasheet. + The library used is the one that is currently written + to the Library_Selection Register (0x03). This library + is set in the init(Library lib) method, but can be + changed manually. + @param waveform_effect The Waveform Effect Library Index value to play + (valid values are 1 to 123) + */ + void play_waveform(int waveform_effect); + + /** + Load Wave Sequence into DRV2605 Sequence Registers + @param effect1... effect8 The effect to play. Valid inputs are + 0 to 123; 0: Stop Condition, + 1- 123: Waveform Index + */ + void load_waveform_sequence(int effect1 = 0, int effect2 = 0, + int effect3 = 0, int effect4 = 0, + int effect5 = 0, int effect6 = 0, + int effect7 = 0, int effect8 = 0); + + /** + Plays the currently loaded waveform or waveform sequence. + Call this after calling play_waveform() or after calling + load_waveform_sequence() + Preconditions: User must have already loaded waveform(s) + using play_waveform() or load_waveform_sequence() + */ + void play(); + + /** + hogehoge + */ + void rtp(char amp); + + /** + TODO: Add Closed Loop Calibration + + Run basic DRV2605L Auto- Calibration as detailed in Section 2 of + the Device Setup Guide for OPEN- LOOP ONLY. + This must be done before using the device in closed- loop mode + (unless cal has been done before with values stored in non-volatile + mem; see datasheet for more info). + + NOTE: It is NOT recommended to store cal values into device + non-volatile memory as this can be done only once. Thus do not + use this feature unless the device is being used in a final + project AND values have been confirmed to result in satisfactory + performance). + + This uses many of the default device register values such as + the default DRIVE_TIME . + + @param actuator_peak_voltage The maximum/peak voltage rating of the actuator + */ + uint8_t auto_cal_open_loop(float actuator_peak_voltage); + + private: + I2C i2c; + DigitalOut _en; +}; + +#endif