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third_party/tinyusb/hw/bsp/hpmicro/family.c

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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018, hathach (tinyusb.org)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+/* metadata:
+   manufacturer: HPMicro
+*/
+
+#include "bsp/board_api.h"
+#include "board.h"
+#include "hpm_clock_drv.h"
+#include "hpm_uart_drv.h"
+#include "hpm_gpio_drv.h"
+#include "hpm_romapi.h"
+
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+// Initialize on-board peripherals : led, button, uart and USB
+void board_init(void) {
+  board_init_clock();
+  board_init_pmp();
+
+  board_init_usb(HPM_USB0);
+#ifdef HPM_USB1
+  board_init_usb(HPM_USB1);
+#endif
+
+  board_init_console();
+  board_init_gpio_pins();
+  board_init_led_pins();
+}
+
+//--------------------------------------------------------------------+
+// USB Interrupt Handler
+//--------------------------------------------------------------------+
+SDK_DECLARE_EXT_ISR_M(IRQn_USB0, isr_usb0)
+void isr_usb0(void) {
+  tusb_int_handler(0, true);
+}
+
+#ifdef HPM_USB1_BASE
+SDK_DECLARE_EXT_ISR_M(IRQn_USB1, isr_usb1)
+void isr_usb1(void) {
+  tusb_int_handler(1, true);
+}
+#endif
+
+void board_led_write(bool state) {
+  if (state) {
+    gpio_write_pin(BOARD_LED_GPIO_CTRL, BOARD_LED_GPIO_INDEX, BOARD_LED_GPIO_PIN, BOARD_LED_ON_LEVEL);
+  } else {
+    gpio_write_pin(BOARD_LED_GPIO_CTRL, BOARD_LED_GPIO_INDEX, BOARD_LED_GPIO_PIN, BOARD_LED_OFF_LEVEL);
+  }
+}
+
+uint32_t board_button_read(void) {
+  return (gpio_read_pin(BOARD_APP_GPIO_CTRL, BOARD_APP_GPIO_INDEX, BOARD_APP_GPIO_PIN) == BOARD_BUTTON_PRESSED_VALUE) ? 1 : 0;
+}
+
+// Get characters from UART. Return number of read bytes
+int board_uart_read(uint8_t *buf, int len) {
+  int        count = 0;
+  hpm_stat_t status;
+
+  while (count < len) {
+    status = uart_try_receive_byte((UART_Type *)BOARD_CONSOLE_UART_BASE, (uint8_t *)&buf[count]);
+    if (status == status_success) {
+      count++;
+    } else {
+      break;
+    }
+  }
+
+  return count;
+}
+
+// Send characters to UART. Return number of sent bytes
+int board_uart_write(void const *buf, int len) {
+  uart_send_data((UART_Type *)BOARD_CONSOLE_UART_BASE, (uint8_t const *)buf, len);
+
+  return len;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+// Get current milliseconds, must be implemented when no RTOS is used
+uint32_t tusb_time_millis_api(void) {
+  return (hpm_csr_get_core_cycle() / clock_get_core_clock_ticks_per_ms());
+}
+
+#endif