PICO: Adding tinyUSB library

lib/main/tinyUSB/hw/bsp/board.c

@@ -0,0 +1,232 @@
+/*
+ * 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.
+ *
+ */
+
+#include "board_api.h"
+
+//--------------------------------------------------------------------+
+// newlib read()/write() retarget
+//--------------------------------------------------------------------+
+#ifdef __ICCARM__
+  #define sys_write   __write
+  #define sys_read    __read
+#elif defined(__MSP430__) || defined(__RX__)
+  #define sys_write   write
+  #define sys_read    read
+#else
+  #define sys_write   _write
+  #define sys_read    _read
+#endif
+
+int sys_write(int fhdl, const char *buf, size_t count) TU_ATTR_USED;
+int sys_read(int fhdl, char *buf, size_t count) TU_ATTR_USED;
+
+#if defined(LOGGER_RTT)
+// Logging with RTT
+
+// If using SES IDE, use the Syscalls/SEGGER_RTT_Syscalls_SES.c instead
+#if !(defined __SES_ARM) && !(defined __SES_RISCV) && !(defined __CROSSWORKS_ARM)
+#include "SEGGER_RTT.h"
+
+int sys_write(int fhdl, const char *buf, size_t count) {
+  (void) fhdl;
+  SEGGER_RTT_Write(0, (const char *) buf, (int) count);
+  return (int) count;
+}
+
+int sys_read(int fhdl, char *buf, size_t count) {
+  (void) fhdl;
+  int rd = (int) SEGGER_RTT_Read(0, buf, count);
+  return (rd > 0) ? rd : -1;
+}
+
+#endif
+
+#elif defined(LOGGER_SWO)
+// Logging with SWO for ARM Cortex
+#include "board_mcu.h"
+
+int sys_write (int fhdl, const char *buf, size_t count) {
+  (void) fhdl;
+  uint8_t const* buf8 = (uint8_t const*) buf;
+
+  for(size_t i=0; i<count; i++) {
+    ITM_SendChar(buf8[i]);
+  }
+
+  return (int) count;
+}
+
+int sys_read (int fhdl, char *buf, size_t count) {
+  (void) fhdl;
+  (void) buf;
+  (void) count;
+  return 0;
+}
+
+#else
+
+// Default logging with on-board UART
+int sys_write (int fhdl, const char *buf, size_t count) {
+  (void) fhdl;
+  return board_uart_write(buf, (int) count);
+}
+
+int sys_read (int fhdl, char *buf, size_t count) {
+  (void) fhdl;
+  int rd = board_uart_read((uint8_t*) buf, (int) count);
+  return (rd > 0) ? rd : -1;
+}
+
+#endif
+
+//int _close(int fhdl) {
+//  (void) fhdl;
+//  return 0;
+//}
+
+//int _fstat(int file, struct stat *st) {
+//  memset(st, 0, sizeof(*st));
+//  st->st_mode = S_IFCHR;
+//}
+
+// Clang use picolibc
+#if defined(__clang__)
+static int cl_putc(char c, FILE *f) {
+  (void) f;
+  return sys_write(0, &c, 1);
+}
+
+static int cl_getc(FILE* f) {
+  (void) f;
+  char c;
+  return sys_read(0, &c, 1) > 0 ? c : -1;
+}
+
+static FILE __stdio = FDEV_SETUP_STREAM(cl_putc, cl_getc, NULL, _FDEV_SETUP_RW);
+FILE *const stdin = &__stdio;
+__strong_reference(stdin, stdout);
+__strong_reference(stdin, stderr);
+#endif
+
+//--------------------------------------------------------------------+
+// Board API
+//--------------------------------------------------------------------+
+int board_getchar(void) {
+  char c;
+  return (sys_read(0, &c, 1) > 0) ? (int) c : (-1);
+}
+
+
+uint32_t tusb_time_millis_api(void) {
+  return board_millis();
+}
+
+//--------------------------------------------------------------------
+// FreeRTOS hooks
+//--------------------------------------------------------------------
+#if CFG_TUSB_OS == OPT_OS_FREERTOS && !TUSB_MCU_VENDOR_ESPRESSIF
+#include "FreeRTOS.h"
+#include "task.h"
+
+void vApplicationMallocFailedHook(void) {
+  taskDISABLE_INTERRUPTS();
+  TU_ASSERT(false, );
+}
+
+void vApplicationStackOverflowHook(xTaskHandle pxTask, char *pcTaskName) {
+  (void) pxTask;
+  (void) pcTaskName;
+
+  taskDISABLE_INTERRUPTS();
+  TU_ASSERT(false, );
+}
+
+/* configSUPPORT_STATIC_ALLOCATION is set to 1, so the application must provide an
+ * implementation of vApplicationGetIdleTaskMemory() to provide the memory that is
+ * used by the Idle task. */
+void vApplicationGetIdleTaskMemory( StaticTask_t **ppxIdleTaskTCBBuffer, StackType_t **ppxIdleTaskStackBuffer, uint32_t *pulIdleTaskStackSize ) {
+  /* If the buffers to be provided to the Idle task are declared inside this
+   * function then they must be declared static - otherwise they will be allocated on
+   * the stack and so not exists after this function exits. */
+  static StaticTask_t xIdleTaskTCB;
+  static StackType_t uxIdleTaskStack[ configMINIMAL_STACK_SIZE ];
+
+  /* Pass out a pointer to the StaticTask_t structure in which the Idle task's
+    state will be stored. */
+  *ppxIdleTaskTCBBuffer = &xIdleTaskTCB;
+
+  /* Pass out the array that will be used as the Idle task's stack. */
+  *ppxIdleTaskStackBuffer = uxIdleTaskStack;
+
+  /* Pass out the size of the array pointed to by *ppxIdleTaskStackBuffer.
+    Note that, as the array is necessarily of type StackType_t,
+    configMINIMAL_STACK_SIZE is specified in words, not bytes. */
+  *pulIdleTaskStackSize = configMINIMAL_STACK_SIZE;
+}
+
+/* configSUPPORT_STATIC_ALLOCATION and configUSE_TIMERS are both set to 1, so the
+ * application must provide an implementation of vApplicationGetTimerTaskMemory()
+ * to provide the memory that is used by the Timer service task. */
+void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, StackType_t **ppxTimerTaskStackBuffer, uint32_t *pulTimerTaskStackSize ) {
+  /* If the buffers to be provided to the Timer task are declared inside this
+   * function then they must be declared static - otherwise they will be allocated on
+   * the stack and so not exists after this function exits. */
+  static StaticTask_t xTimerTaskTCB;
+  static StackType_t uxTimerTaskStack[ configTIMER_TASK_STACK_DEPTH ];
+
+  /* Pass out a pointer to the StaticTask_t structure in which the Timer
+    task's state will be stored. */
+  *ppxTimerTaskTCBBuffer = &xTimerTaskTCB;
+
+  /* Pass out the array that will be used as the Timer task's stack. */
+  *ppxTimerTaskStackBuffer = uxTimerTaskStack;
+
+  /* Pass out the size of the array pointed to by *ppxTimerTaskStackBuffer.
+    Note that, as the array is necessarily of type StackType_t,
+    configTIMER_TASK_STACK_DEPTH is specified in words, not bytes. */
+  *pulTimerTaskStackSize = configTIMER_TASK_STACK_DEPTH;
+}
+
+#if CFG_TUSB_MCU == OPT_MCU_RX63X || CFG_TUSB_MCU == OPT_MCU_RX65X
+#include "iodefine.h"
+void vApplicationSetupTimerInterrupt(void) {
+  /* Enable CMT0 */
+  unsigned short oldPRCR = SYSTEM.PRCR.WORD;
+  SYSTEM.PRCR.WORD = (0xA5u<<8) | TU_BIT(1);
+  MSTP(CMT0)       = 0;
+  SYSTEM.PRCR.WORD = (0xA5u<<8) | oldPRCR;
+
+  CMT0.CMCNT      = 0;
+  CMT0.CMCOR      = (unsigned short)(((configPERIPHERAL_CLOCK_HZ/configTICK_RATE_HZ)-1)/128);
+  CMT0.CMCR.WORD  = TU_BIT(6) | 2;
+  IR(CMT0, CMI0)  = 0;
+  IPR(CMT0, CMI0) = configKERNEL_INTERRUPT_PRIORITY;
+  IEN(CMT0, CMI0) = 1;
+  CMT.CMSTR0.BIT.STR0 = 1;
+}
+#endif
+
+
+#endif