PICO: Adding tinyUSB library

lib/main/tinyUSB/hw/bsp/ra/family.c

@@ -0,0 +1,248 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022, Rafael Silva
+ *
+ * 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.
+ */
+
+#include <stdio.h>
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstrict-prototypes"
+#pragma GCC diagnostic ignored "-Wundef"
+#endif
+
+#include "common_data.h"
+#include "renesas.h"
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+
+#include "bsp/board_api.h"
+#include "board.h"
+
+/* Key code for writing PRCR register. */
+#define BSP_PRV_PRCR_KEY         (0xA500U)
+
+//--------------------------------------------------------------------+
+// Vector Data
+//--------------------------------------------------------------------+
+
+BSP_DONT_REMOVE BSP_PLACE_IN_SECTION(BSP_SECTION_APPLICATION_VECTORS)
+const fsp_vector_t g_vector_table[BSP_ICU_VECTOR_MAX_ENTRIES] = {
+    [0] = usbfs_interrupt_handler, /* USBFS INT (USBFS interrupt) */
+    [1] = usbfs_resume_handler,    /* USBFS RESUME (USBFS resume interrupt) */
+
+#ifndef BSP_MCU_GROUP_RA2A1
+    [2] = usbfs_d0fifo_handler,    /* USBFS FIFO 0 (DMA transfer request 0) */
+    [3] = usbfs_d1fifo_handler,    /* USBFS FIFO 1 (DMA transfer request 1) */
+#endif
+
+#ifdef BOARD_HAS_USB_HIGHSPEED
+    [4] = usbhs_interrupt_handler, /* USBHS INT (USBHS interrupt) */
+    [5] = usbhs_d0fifo_handler,    /* USBHS FIFO 0 (DMA transfer request 0) */
+    [6] = usbhs_d1fifo_handler,    /* USBHS FIFO 1 (DMA transfer request 1) */
+#endif
+};
+
+const bsp_interrupt_event_t g_interrupt_event_link_select[BSP_ICU_VECTOR_MAX_ENTRIES] = {
+    [0] = BSP_PRV_IELS_ENUM(EVENT_USBFS_INT),            /* USBFS INT (USBFS interrupt) */
+    [1] = BSP_PRV_IELS_ENUM(EVENT_USBFS_RESUME),         /* USBFS RESUME (USBFS resume interrupt) */
+
+#ifndef BSP_MCU_GROUP_RA2A1
+    [2] = BSP_PRV_IELS_ENUM(EVENT_USBFS_FIFO_0),         /* USBFS FIFO 0 (DMA transfer request 0) */
+    [3] = BSP_PRV_IELS_ENUM(EVENT_USBFS_FIFO_1),         /* USBFS FIFO 1 (DMA transfer request 1) */
+#endif
+
+#ifdef BOARD_HAS_USB_HIGHSPEED
+    [4] = BSP_PRV_IELS_ENUM(EVENT_USBHS_USB_INT_RESUME), /* USBHS USB INT RESUME (USBHS interrupt) */
+    [5] = BSP_PRV_IELS_ENUM(EVENT_USBHS_FIFO_0),         /* USBHS FIFO 0 (DMA transfer request 0) */
+    [6] = BSP_PRV_IELS_ENUM(EVENT_USBHS_FIFO_1),         /* USBHS FIFO 1 (DMA transfer request 1) */
+#endif
+};
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_init(void) {
+  // Enable global interrupts in CPSR register since board with bootloader such as Arduino Uno R4
+  // can transfer CPU control with CPSR.I bit set to 0 (disable IRQ)
+  __enable_irq();
+
+  /* Configure pins. */
+  R_IOPORT_Open(&IOPORT_CFG_CTRL, &IOPORT_CFG_NAME);
+
+#ifdef TRACE_ETM
+  // TRCKCR is protected by PRCR bit0 register
+  R_SYSTEM->PRCR = (uint16_t) (BSP_PRV_PRCR_KEY | 0x01);
+
+  // Enable trace clock (max 100Mhz). Since PLL/CPU is 200Mhz, clock div = 2
+  R_SYSTEM->TRCKCR = R_SYSTEM_TRCKCR_TRCKEN_Msk | 0x01;
+
+  R_SYSTEM->PRCR = (uint16_t) BSP_PRV_PRCR_KEY;
+#endif
+
+#if CFG_TUSB_OS == OPT_OS_FREERTOS
+  // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+  NVIC_SetPriority(USBFS_INT_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_RESUME_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_FIFO_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+  NVIC_SetPriority(USBFS_FIFO_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
+#endif
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+  SysTick_Config(SystemCoreClock / 1000);
+#endif
+
+  board_led_write(false);
+}
+
+void board_init_after_tusb(void) {
+  // For board that use USB LDO regulator
+#if defined(BOARD_UNO_R4)
+  R_USB_FS0->USBMC |= R_USB_FS0_USBMC_VDCEN_Msk;
+#endif
+}
+
+void board_led_write(bool state) {
+  R_IOPORT_PinWrite(&IOPORT_CFG_CTRL, LED1, state ? LED_STATE_ON : !LED_STATE_ON);
+}
+
+uint32_t board_button_read(void) {
+  bsp_io_level_t lvl = !BUTTON_STATE_ACTIVE;
+  R_IOPORT_PinRead(&IOPORT_CFG_CTRL, SW1, &lvl);
+  return lvl == BUTTON_STATE_ACTIVE;
+}
+
+size_t board_get_unique_id(uint8_t id[], size_t max_len) {
+  max_len = tu_min32(max_len, sizeof(bsp_unique_id_t));
+  bsp_unique_id_t const *uid = R_BSP_UniqueIdGet();
+  memcpy(id, uid->unique_id_bytes, max_len);
+  return max_len;
+}
+
+int board_uart_read(uint8_t *buf, int len) {
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+int board_uart_write(void const *buf, int len) {
+  (void) buf;
+  (void) len;
+  return 0;
+}
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+volatile uint32_t system_ticks = 0;
+
+void SysTick_Handler(void) {
+  system_ticks++;
+}
+
+uint32_t board_millis(void) {
+  return system_ticks;
+}
+#endif
+
+//--------------------------------------------------------------------+
+// Forward USB interrupt events to TinyUSB IRQ Handler
+//--------------------------------------------------------------------+
+
+//------------- USB0 FullSpeed -------------//
+void usbfs_interrupt_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+
+  tusb_int_handler(0, true);
+}
+
+void usbfs_resume_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+
+  tusb_int_handler(0, true);
+}
+
+void usbfs_d0fifo_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+  // TODO not used yet
+}
+
+void usbfs_d1fifo_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+  // TODO not used yet
+}
+
+//------------- USB1 HighSpeed -------------//
+#ifdef BOARD_HAS_USB_HIGHSPEED
+void usbhs_interrupt_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+
+  tusb_int_handler(1, true);
+}
+
+void usbhs_d0fifo_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+  // TODO not used yet
+}
+
+void usbhs_d1fifo_handler(void) {
+  IRQn_Type irq = R_FSP_CurrentIrqGet();
+  R_BSP_IrqStatusClear(irq);
+  // TODO not used yet
+}
+#endif
+
+//--------------------------------------------------------------------+
+// stdlib
+//--------------------------------------------------------------------+
+
+int close(int fd) {
+  (void) fd;
+  return -1;
+}
+
+int fstat(int fd, void *pstat) {
+  (void) fd;
+  (void) pstat;
+  return 0;
+}
+
+off_t lseek(int fd, off_t pos, int whence) {
+  (void) fd;
+  (void) pos;
+  (void) whence;
+  return 0;
+}
+
+int isatty(int fd) {
+  (void) fd;
+  return 1;
+}