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Diffstat (limited to 'keyboards/ploopyco/adns5050.c')
| -rw-r--r-- | keyboards/ploopyco/adns5050.c | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/keyboards/ploopyco/adns5050.c b/keyboards/ploopyco/adns5050.c deleted file mode 100644 index e12e56f20c..0000000000 --- a/keyboards/ploopyco/adns5050.c +++ /dev/null @@ -1,197 +0,0 @@ -/* Copyright 2021 Colin Lam (Ploopy Corporation) - * Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com> - * Copyright 2019 Sunjun Kim - * Copyright 2019 Hiroyuki Okada - * - * 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 "adns5050.h" -#include "quantum.h" -#include "wait.h" - -#ifdef CONSOLE_ENABLE -# include "print.h" -#endif - -#ifndef OPTIC_ROTATED -# define OPTIC_ROTATED false -#endif - -// Definitions for the ADNS serial line. -// These really ought to be defined in your config.h, but defaults are -// here if you're really lazy. -#ifndef ADNS_SCLK_PIN -# define ADNS_SCLK_PIN B7 -#endif - -#ifndef ADNS_SDIO_PIN -# define ADNS_SDIO_PIN C6 -#endif - -#ifndef ADNS_CS_PIN -# define ADNS_CS_PIN B4 -#endif - -#ifdef CONSOLE_ENABLE -void print_byte(uint8_t byte) { dprintf("%c%c%c%c%c%c%c%c|", (byte & 0x80 ? '1' : '0'), (byte & 0x40 ? '1' : '0'), (byte & 0x20 ? '1' : '0'), (byte & 0x10 ? '1' : '0'), (byte & 0x08 ? '1' : '0'), (byte & 0x04 ? '1' : '0'), (byte & 0x02 ? '1' : '0'), (byte & 0x01 ? '1' : '0')); } -#endif - -// Initialize the ADNS serial pins. -void adns_init(void) { - setPinOutput(ADNS_SCLK_PIN); - setPinOutput(ADNS_SDIO_PIN); - setPinOutput(ADNS_CS_PIN); -} - -// Perform a synchronization with the ADNS. -// Just as with the serial protocol, this is used by the slave to send a -// synchronization signal to the master. -void adns_sync(void) { - writePinLow(ADNS_CS_PIN); - wait_us(1); - writePinHigh(ADNS_CS_PIN); -} - -void adns_cs_select(void) { - writePinLow(ADNS_CS_PIN); -} - -void adns_cs_deselect(void) { - writePinHigh(ADNS_CS_PIN); -} - -uint8_t adns_serial_read(void) { - setPinInput(ADNS_SDIO_PIN); - uint8_t byte = 0; - - for (uint8_t i = 0; i < 8; ++i) { - writePinLow(ADNS_SCLK_PIN); - wait_us(1); - - byte = (byte << 1) | readPin(ADNS_SDIO_PIN); - - writePinHigh(ADNS_SCLK_PIN); - wait_us(1); - } - - return byte; -} - -void adns_serial_write(uint8_t data) { - setPinOutput(ADNS_SDIO_PIN); - - for (int8_t b = 7; b >= 0; b--) { - writePinLow(ADNS_SCLK_PIN); - - if (data & (1 << b)) - writePinHigh(ADNS_SDIO_PIN); - else - writePinLow(ADNS_SDIO_PIN); - - wait_us(2); - - writePinHigh(ADNS_SCLK_PIN); - } - - // tSWR. See page 15 of the ADNS spec sheet. - // Technically, this is only necessary if the next operation is an SDIO - // read. This is not guaranteed to be the case, but we're being lazy. - wait_us(4); - - // Note that tSWW is never necessary. All write operations require at - // least 32us, which exceeds tSWW, so there's never a need to wait for it. -} - -// Read a byte of data from a register on the ADNS. -// Don't forget to use the register map (as defined in the header file). -uint8_t adns_read_reg(uint8_t reg_addr) { - adns_cs_select(); - - adns_serial_write(reg_addr); - - // We don't need a minimum tSRAD here. That's because a 4ms wait time is - // already included in adns_serial_write(), so we're good. - // See page 10 and 15 of the ADNS spec sheet. - //wait_us(4); - - uint8_t byte = adns_serial_read(); - - // tSRW & tSRR. See page 15 of the ADNS spec sheet. - // Technically, this is only necessary if the next operation is an SDIO - // read or write. This is not guaranteed to be the case. - // Honestly, this wait could probably be removed. - wait_us(1); - - adns_cs_deselect(); - - return byte; -} - -void adns_write_reg(uint8_t reg_addr, uint8_t data) { - adns_cs_select(); - adns_serial_write( 0b10000000 | reg_addr ); - adns_serial_write(data); - adns_cs_deselect(); -} - -report_adns_t adns_read_burst(void) { - adns_cs_select(); - - report_adns_t data; - data.dx = 0; - data.dy = 0; - - adns_serial_write(REG_MOTION_BURST); - - // We don't need a minimum tSRAD here. That's because a 4ms wait time is - // already included in adns_serial_write(), so we're good. - // See page 10 and 15 of the ADNS spec sheet. - //wait_us(4); - - uint8_t x = adns_serial_read(); - uint8_t y = adns_serial_read(); - - // Burst mode returns a bunch of other shit that we don't really need. - // Setting CS to high ends burst mode early. - adns_cs_deselect(); - - data.dx = convert_twoscomp(x); - data.dy = convert_twoscomp(y); - - return data; -} - -// Convert a two's complement byte from an unsigned data type into a signed -// data type. -int8_t convert_twoscomp(uint8_t data) { - if ((data & 0x80) == 0x80) - return -128 + (data & 0x7F); - else - return data; -} - -// Don't forget to use the definitions for CPI in the header file. -void adns_set_cpi(uint8_t cpi) { - adns_write_reg(REG_MOUSE_CONTROL2, cpi); -} - -bool adns_check_signature(void) { - uint8_t pid = adns_read_reg(REG_PRODUCT_ID); - uint8_t rid = adns_read_reg(REG_REVISION_ID); - uint8_t pid2 = adns_read_reg(REG_PRODUCT_ID2); - - return (pid == 0x12 && rid == 0x01 && pid2 == 0x26); -} |