mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-25 12:46:41 +00:00
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
// Copyright 2023 Massdrop, Inc.
|
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
#include "keyboard.h"
|
|
#include "analog.h"
|
|
#include "gpio.h"
|
|
#include "wait.h"
|
|
|
|
#define S_UP B12
|
|
#define E_UP_N B13
|
|
#define S_DN1 B14
|
|
#define E_DN1_N B15
|
|
#define E_VBUS_1 A8
|
|
#define E_VBUS_2 A15
|
|
#define SRC_1 B8
|
|
#define SRC_2 B9
|
|
#define HUB_RESET_N D2
|
|
#define IRST B1
|
|
#define SDB_N B2
|
|
#define C1_A5_SENSE A4
|
|
#define C1_B5_SENSE A7
|
|
#define C2_A5_SENSE C4
|
|
#define C2_B5_SENSE B0
|
|
|
|
static inline void digital_write(pin_t pin, uint8_t level) {
|
|
setPinOutput(pin);
|
|
writePin(pin, level);
|
|
}
|
|
|
|
uint16_t v_con_1 = 0;
|
|
uint16_t v_con_2 = 0;
|
|
uint16_t v_con_3 = 0;
|
|
uint16_t v_con_4 = 0;
|
|
|
|
void keyboard_USB_enable(void) {
|
|
// initial state
|
|
digital_write(S_UP, 0);
|
|
digital_write(E_UP_N, 1);
|
|
digital_write(S_DN1, 1);
|
|
digital_write(E_DN1_N, 1);
|
|
digital_write(E_VBUS_1, 0);
|
|
digital_write(E_VBUS_2, 0);
|
|
digital_write(SRC_1, 1);
|
|
digital_write(SRC_2, 1);
|
|
|
|
setPinInput(C1_A5_SENSE);
|
|
setPinInput(C1_B5_SENSE);
|
|
setPinInput(C2_A5_SENSE);
|
|
setPinInput(C2_B5_SENSE);
|
|
|
|
// reset hub
|
|
digital_write(HUB_RESET_N, 0);
|
|
wait_ms(100);
|
|
digital_write(HUB_RESET_N, 1);
|
|
|
|
wait_ms(500); // Allow power dissipation time on CC lines
|
|
|
|
v_con_1 = analogReadPin(C1_A5_SENSE);
|
|
v_con_2 = analogReadPin(C1_B5_SENSE);
|
|
v_con_3 = analogReadPin(C2_A5_SENSE);
|
|
v_con_4 = analogReadPin(C2_B5_SENSE);
|
|
|
|
// TODO: dynamic port port configure logic?
|
|
digital_write(E_UP_N, 0); // HOST enable
|
|
digital_write(E_DN1_N, 0); // EXTRA enable
|
|
digital_write(E_VBUS_1, 1); // USBC-1 enable full power I/O
|
|
digital_write(E_VBUS_2, 1); // USBC-2 enable full power I/O
|
|
|
|
if ((v_con_1 + v_con_2) > (v_con_3 + v_con_4)) {
|
|
digital_write(S_UP, 0); // HOST to USBC-1
|
|
digital_write(S_DN1, 1); // EXTRA to USBC-2
|
|
digital_write(SRC_1, 1); // HOST on USBC-1
|
|
digital_write(SRC_2, 0); // EXTRA available on USBC-2
|
|
} else {
|
|
digital_write(S_UP, 1); // EXTRA to USBC-1
|
|
digital_write(S_DN1, 0); // HOST to USBC-2
|
|
digital_write(SRC_1, 0); // EXTRA available on USBC-1
|
|
digital_write(SRC_2, 1); // HOST on USBC-2
|
|
}
|
|
}
|
|
|
|
void keyboard_ISSI_enable(void) {
|
|
#ifdef RGB_MATRIX_ENABLE
|
|
digital_write(IRST, 0);
|
|
digital_write(SDB_N, 1);
|
|
#endif
|
|
}
|
|
|
|
|
|
void keyboard_pre_init_kb(void) {
|
|
keyboard_USB_enable();
|
|
keyboard_ISSI_enable();
|
|
|
|
keyboard_pre_init_user();
|
|
}
|