diff options
Diffstat (limited to 'drivers/haptic/DRV2605L.c')
| -rw-r--r-- | drivers/haptic/DRV2605L.c | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/drivers/haptic/DRV2605L.c b/drivers/haptic/DRV2605L.c deleted file mode 100644 index 5a1d2ca0af..0000000000 --- a/drivers/haptic/DRV2605L.c +++ /dev/null @@ -1,122 +0,0 @@ -/* Copyright 2018 ishtob - * Driver for DRV2605L written for QMK - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include "DRV2605L.h" -#include "print.h" -#include <stdlib.h> -#include <stdio.h> -#include <math.h> - -uint8_t DRV2605L_transfer_buffer[2]; -uint8_t DRV2605L_read_register; - -void DRV_write(uint8_t drv_register, uint8_t settings) { - DRV2605L_transfer_buffer[0] = drv_register; - DRV2605L_transfer_buffer[1] = settings; - i2c_transmit(DRV2605L_BASE_ADDRESS << 1, DRV2605L_transfer_buffer, 2, 100); -} - -uint8_t DRV_read(uint8_t regaddress) { - i2c_readReg(DRV2605L_BASE_ADDRESS << 1, regaddress, &DRV2605L_read_register, 1, 100); - - return DRV2605L_read_register; -} - -void DRV_init(void) { - i2c_init(); - /* 0x07 sets DRV2605 into calibration mode */ - DRV_write(DRV_MODE, 0x07); - - // DRV_write(DRV_FEEDBACK_CTRL,0xB6); - -#if FB_ERM_LRA == 0 - /* ERM settings */ - DRV_write(DRV_RATED_VOLT, (RATED_VOLTAGE / 21.33) * 1000); -# if ERM_OPEN_LOOP == 0 - DRV_write(DRV_OVERDRIVE_CLAMP_VOLT, (((V_PEAK * (DRIVE_TIME + BLANKING_TIME + IDISS_TIME)) / 0.02133) / (DRIVE_TIME - 0.0003))); -# elif ERM_OPEN_LOOP == 1 - DRV_write(DRV_OVERDRIVE_CLAMP_VOLT, (V_PEAK / 0.02196)); -# endif -#elif FB_ERM_LRA == 1 - DRV_write(DRV_RATED_VOLT, ((V_RMS * sqrt(1 - ((4 * ((150 + (SAMPLE_TIME * 50)) * 0.000001)) + 0.0003) * F_LRA) / 0.02071))); -# if LRA_OPEN_LOOP == 0 - DRV_write(DRV_OVERDRIVE_CLAMP_VOLT, ((V_PEAK / sqrt(1 - (F_LRA * 0.0008)) / 0.02133))); -# elif LRA_OPEN_LOOP == 1 - DRV_write(DRV_OVERDRIVE_CLAMP_VOLT, (V_PEAK / 0.02196)); -# endif -#endif - - DRVREG_FBR FB_SET; - FB_SET.Bits.ERM_LRA = FB_ERM_LRA; - FB_SET.Bits.BRAKE_FACTOR = FB_BRAKEFACTOR; - FB_SET.Bits.LOOP_GAIN = FB_LOOPGAIN; - FB_SET.Bits.BEMF_GAIN = 0; /* auto-calibration populates this field*/ - DRV_write(DRV_FEEDBACK_CTRL, (uint8_t)FB_SET.Byte); - DRVREG_CTRL1 C1_SET; - C1_SET.Bits.C1_DRIVE_TIME = DRIVE_TIME; - C1_SET.Bits.C1_AC_COUPLE = AC_COUPLE; - C1_SET.Bits.C1_STARTUP_BOOST = STARTUP_BOOST; - DRV_write(DRV_CTRL_1, (uint8_t)C1_SET.Byte); - DRVREG_CTRL2 C2_SET; - C2_SET.Bits.C2_BIDIR_INPUT = BIDIR_INPUT; - C2_SET.Bits.C2_BRAKE_STAB = BRAKE_STAB; - C2_SET.Bits.C2_SAMPLE_TIME = SAMPLE_TIME; - C2_SET.Bits.C2_BLANKING_TIME = BLANKING_TIME; - C2_SET.Bits.C2_IDISS_TIME = IDISS_TIME; - DRV_write(DRV_CTRL_2, (uint8_t)C2_SET.Byte); - DRVREG_CTRL3 C3_SET; - C3_SET.Bits.C3_LRA_OPEN_LOOP = LRA_OPEN_LOOP; - C3_SET.Bits.C3_N_PWM_ANALOG = N_PWM_ANALOG; - C3_SET.Bits.C3_LRA_DRIVE_MODE = LRA_DRIVE_MODE; - C3_SET.Bits.C3_DATA_FORMAT_RTO = DATA_FORMAT_RTO; - C3_SET.Bits.C3_SUPPLY_COMP_DIS = SUPPLY_COMP_DIS; - C3_SET.Bits.C3_ERM_OPEN_LOOP = ERM_OPEN_LOOP; - C3_SET.Bits.C3_NG_THRESH = NG_THRESH; - DRV_write(DRV_CTRL_3, (uint8_t)C3_SET.Byte); - DRVREG_CTRL4 C4_SET; - C4_SET.Bits.C4_ZC_DET_TIME = ZC_DET_TIME; - C4_SET.Bits.C4_AUTO_CAL_TIME = AUTO_CAL_TIME; - DRV_write(DRV_CTRL_4, (uint8_t)C4_SET.Byte); - DRV_write(DRV_LIB_SELECTION, LIB_SELECTION); - - DRV_write(DRV_GO, 0x01); - - /* 0x00 sets DRV2605 out of standby and to use internal trigger - * 0x01 sets DRV2605 out of standby and to use external trigger */ - DRV_write(DRV_MODE, 0x00); - - // Play greeting sequence - DRV_write(DRV_GO, 0x00); - DRV_write(DRV_WAVEFORM_SEQ_1, DRV_GREETING); - DRV_write(DRV_GO, 0x01); -} - -void DRV_rtp_init(void) { - DRV_write(DRV_GO, 0x00); - DRV_write(DRV_RTP_INPUT, 20); // 20 is the lowest value I've found where haptics can still be felt. - DRV_write(DRV_MODE, 0x05); - DRV_write(DRV_GO, 0x01); -} - -void DRV_amplitude(uint8_t amplitude) { - DRV_write(DRV_RTP_INPUT, amplitude); -} - -void DRV_pulse(uint8_t sequence) { - DRV_write(DRV_GO, 0x00); - DRV_write(DRV_WAVEFORM_SEQ_1, sequence); - DRV_write(DRV_GO, 0x01); -} |