Squashed 'third_party/pico-sdk/lib/tinyusb/' content from commit 868948f67c
Change-Id: I5d33c2566dd597be9d4b1c30d4b3723c5ef4a265
git-subtree-dir: third_party/pico-sdk/lib/tinyusb
git-subtree-split: 868948f67c90fa7c2553cdcd604b52862cf55720
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/hw/bsp/mbed1768/mbed1768.c b/hw/bsp/mbed1768/mbed1768.c
new file mode 100644
index 0000000..5495ed1
--- /dev/null
+++ b/hw/bsp/mbed1768/mbed1768.c
@@ -0,0 +1,197 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Ha Thach (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.
+ */
+
+#include "chip.h"
+#include "../board.h"
+
+#define LED_PORT 1
+#define LED_PIN 18
+#define LED_STATE_ON 1
+
+// JOYSTICK_DOWN if using LPCXpresso Base Board
+#define BUTTON_PORT 0
+#define BUTTON_PIN 15
+#define BUTTON_STATE_ACTIVE 0
+
+#define BOARD_UART_PORT LPC_UART3
+
+/* System oscillator rate and RTC oscillator rate */
+const uint32_t OscRateIn = 10000000;
+const uint32_t RTCOscRateIn = 32768;
+
+/* Pin muxing configuration */
+static const PINMUX_GRP_T pinmuxing[] =
+{
+ {LED_PORT, LED_PIN, IOCON_MODE_INACT | IOCON_FUNC0},
+ {BUTTON_PORT, BUTTON_PIN, IOCON_FUNC0 | IOCON_MODE_PULLUP},
+};
+
+static const PINMUX_GRP_T pin_usb_mux[] =
+{
+ {0, 29, IOCON_MODE_INACT | IOCON_FUNC1}, // D+
+ {0, 30, IOCON_MODE_INACT | IOCON_FUNC1}, // D-
+ {2, 9, IOCON_MODE_INACT | IOCON_FUNC1}, // Connect
+
+ {1, 19, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PPWR
+ {1, 22, IOCON_MODE_INACT | IOCON_FUNC2}, // USB_PWRD
+
+ /* VBUS is not connected on this board, so leave the pin at default setting. */
+ /*Chip_IOCON_PinMux(LPC_IOCON, 1, 30, IOCON_MODE_INACT, IOCON_FUNC2);*/ /* USB VBUS */
+};
+
+// Invoked by startup code
+void SystemInit(void)
+{
+#ifdef __USE_LPCOPEN
+ extern void (* const g_pfnVectors[])(void);
+ unsigned int *pSCB_VTOR = (unsigned int *) 0xE000ED08;
+ *pSCB_VTOR = (unsigned int) g_pfnVectors;
+#endif
+
+ Chip_IOCON_Init(LPC_IOCON);
+ Chip_IOCON_SetPinMuxing(LPC_IOCON, pinmuxing, sizeof(pinmuxing) / sizeof(PINMUX_GRP_T));
+ Chip_SetupXtalClocking();
+}
+
+void board_init(void)
+{
+ SystemCoreClockUpdate();
+
+#if CFG_TUSB_OS == OPT_OS_NONE
+ // 1ms tick timer
+ SysTick_Config(SystemCoreClock / 1000);
+#elif CFG_TUSB_OS == OPT_OS_FREERTOS
+ // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
+ NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY );
+#endif
+
+ Chip_GPIO_Init(LPC_GPIO);
+
+ // LED
+ Chip_GPIO_SetPinDIROutput(LPC_GPIO, LED_PORT, LED_PIN);
+
+ // Button
+ Chip_GPIO_SetPinDIRInput(LPC_GPIO, BUTTON_PORT, BUTTON_PIN);
+
+#if 0
+ //------------- UART -------------//
+ PINSEL_CFG_Type PinCfg =
+ {
+ .Portnum = 0,
+ .Pinnum = 0, // TXD is P0.0
+ .Funcnum = 2,
+ .OpenDrain = 0,
+ .Pinmode = 0
+ };
+ PINSEL_ConfigPin(&PinCfg);
+
+ PinCfg.Portnum = 0;
+ PinCfg.Pinnum = 1; // RXD is P0.1
+ PINSEL_ConfigPin(&PinCfg);
+
+ UART_CFG_Type UARTConfigStruct;
+ UART_ConfigStructInit(&UARTConfigStruct);
+ UARTConfigStruct.Baud_rate = CFG_BOARD_UART_BAUDRATE;
+
+ UART_Init(BOARD_UART_PORT, &UARTConfigStruct);
+ UART_TxCmd(BOARD_UART_PORT, ENABLE); // Enable UART Transmit
+#endif
+
+ //------------- USB -------------//
+ Chip_IOCON_SetPinMuxing(LPC_IOCON, pin_usb_mux, sizeof(pin_usb_mux) / sizeof(PINMUX_GRP_T));
+ Chip_USB_Init();
+
+ enum {
+ USBCLK_DEVCIE = 0x12, // AHB + Device
+ USBCLK_HOST = 0x19, // AHB + Host + OTG
+// 0x1B // Host + Device + OTG + AHB
+ };
+
+ uint32_t const clk_en = TUSB_OPT_DEVICE_ENABLED ? USBCLK_DEVCIE : USBCLK_HOST;
+
+ LPC_USB->OTGClkCtrl = clk_en;
+ while ( (LPC_USB->OTGClkSt & clk_en) != clk_en );
+
+#if TUSB_OPT_HOST_ENABLED
+ // set portfunc to host !!!
+ LPC_USB->StCtrl = 0x3; // should be 1
+#endif
+}
+
+//--------------------------------------------------------------------+
+// USB Interrupt Handler
+//--------------------------------------------------------------------+
+void USB_IRQHandler(void)
+{
+ #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_HOST
+ tuh_int_handler(0);
+ #endif
+
+ #if CFG_TUSB_RHPORT0_MODE & OPT_MODE_DEVICE
+ tud_int_handler(0);
+ #endif
+}
+
+//--------------------------------------------------------------------+
+// Board porting API
+//--------------------------------------------------------------------+
+
+void board_led_write(bool state)
+{
+ Chip_GPIO_SetPinState(LPC_GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
+}
+
+uint32_t board_button_read(void)
+{
+ return BUTTON_STATE_ACTIVE == Chip_GPIO_GetPinState(LPC_GPIO, BUTTON_PORT, BUTTON_PIN);
+}
+
+int board_uart_read(uint8_t* buf, int len)
+{
+// return UART_ReceiveByte(BOARD_UART_PORT);
+ (void) buf; (void) len;
+ return 0;
+}
+
+int board_uart_write(void const * buf, int len)
+{
+// UART_Send(BOARD_UART_PORT, &c, 1, BLOCKING);
+ (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