64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
//
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// Copyright 2024 Wenting Zhang <zephray@outlook.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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#include <stdint.h>
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#include <stdio.h>
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#include "pico/stdlib.h"
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#include "hardware/i2c.h"
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#include "config.h"
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#include "ptn3460.h"
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#include "utils.h"
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#include "usb_mux.h"
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#ifdef HAS_TYPEC
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#define USBC_ORI_PIN 10
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void usb_mux_init(int port) {
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gpio_init(USBC_ORI_PIN);
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gpio_set_dir(USBC_ORI_PIN, GPIO_OUT);
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gpio_put(USBC_ORI_PIN, 0);
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}
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void usb_mux_set(int port, enum typec_mux mux_mode,
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enum usb_switch usb_config, int polarity) {
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printf("USB MUX set %s, %d\n",
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(usb_config == USB_SWITCH_CONNECT) ? "CONNECT" :
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(usb_config == USB_SWITCH_DISCONNECT) ? "DISCONNECT" : "RESTORE",
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polarity);
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if (usb_config == USB_SWITCH_CONNECT) {
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if (polarity == 0) {
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// Not flipped
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printf("Setting orientation to not flipped\n");
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gpio_put(USBC_ORI_PIN, 0);
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ptn3460_set_aux_polarity(1);
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}
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else {
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// Flipped
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printf("Setting orientation to flipped\n");
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gpio_put(USBC_ORI_PIN, 1);
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ptn3460_set_aux_polarity(0);
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}
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}
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}
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#endif
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