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https://gitlab.com/zephray/glider.git
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76 lines
2.6 KiB
C
76 lines
2.6 KiB
C
//
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// Grimoire
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// Copyright 2025 Wenting Zhang
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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 "platform.h"
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#include "board.h"
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#include "app.h"
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static SemaphoreHandle_t isr_sem = NULL;
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bool dp_ready = false;
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void usbpd_isr(void) {
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BaseType_t context_switch = pdFALSE;
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if (isr_sem) {
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xSemaphoreGiveFromISR(isr_sem, &context_switch);
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portYIELD_FROM_ISR(context_switch);
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}
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}
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portTASK_FUNCTION(usb_pd_task, pvParameters) {
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isr_sem = xSemaphoreCreateCounting(1, 0);
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extern int dp_enabled;
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static bool hpd_sent = false;
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int result = tcpm_init(0);
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if (result)
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syslog_printf("Failed to initialize TCPC\n");
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int cc1, cc2;
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tcpc_config[0].drv->get_cc(0, &cc1, &cc2);
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syslog_printf("CC status %d %d\n", cc1, cc2);
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pd_init(0);
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sleep_ms(50);
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int timeout = 0;
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while (1) {
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BaseType_t rtos_result = xSemaphoreTake(isr_sem, pdMS_TO_TICKS(timeout/1000));
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// if (rtos_result) {
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// syslog_printf("FUSB302 interrupt");
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// //fusb302_tcpc_alert(0);
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// }
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do {
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fusb302_tcpc_alert(0);
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timeout = pd_run_state_machine(0);
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if (dp_enabled && !hpd_sent && !pd_is_vdm_busy(0)) {
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syslog_printf("DP enabled\n");
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pd_send_hpd(0, hpd_high);
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hpd_sent = true;
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dp_ready = true;
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}
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// vTaskDelay(pdMS_TO_TICKS(5));
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//xSemaphoreTake(isr_sem, 0); // Clear semaphore
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} while (gpio_get(TCPC_INT) == 0);
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}
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vSemaphoreDelete(isr_sem);
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}
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