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/esp32s3/boards/esp32s3.c b/hw/bsp/esp32s3/boards/esp32s3.c
new file mode 100644
index 0000000..358c0c8
--- /dev/null
+++ b/hw/bsp/esp32s3/boards/esp32s3.c
@@ -0,0 +1,143 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020, 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 "../../board.h"
+#include "board.h"
+
+#include "esp_rom_gpio.h"
+#include "hal/gpio_ll.h"
+#include "hal/usb_hal.h"
+#include "soc/usb_periph.h"
+
+#include "driver/periph_ctrl.h"
+#include "driver/rmt.h"
+
+#ifdef NEOPIXEL_PIN
+#include "led_strip.h"
+static led_strip_t *strip;
+#endif
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+static void configure_pins(usb_hal_context_t *usb);
+
+// Initialize on-board peripherals : led, button, uart and USB
+void board_init(void)
+{
+
+#ifdef NEOPIXEL_PIN
+ #ifdef NEOPIXEL_POWER_PIN
+ gpio_reset_pin(NEOPIXEL_POWER_PIN);
+ gpio_set_direction(NEOPIXEL_POWER_PIN, GPIO_MODE_OUTPUT);
+ gpio_set_level(NEOPIXEL_POWER_PIN, NEOPIXEL_POWER_STATE);
+ #endif
+
+ // WS2812 Neopixel driver with RMT peripheral
+ rmt_config_t config = RMT_DEFAULT_CONFIG_TX(NEOPIXEL_PIN, RMT_CHANNEL_0);
+ config.clk_div = 2; // set counter clock to 40MHz
+
+ rmt_config(&config);
+ rmt_driver_install(config.channel, 0, 0);
+
+ led_strip_config_t strip_config = LED_STRIP_DEFAULT_CONFIG(1, (led_strip_dev_t) config.channel);
+ strip = led_strip_new_rmt_ws2812(&strip_config);
+ strip->clear(strip, 100); // off led
+#endif
+
+ // Button
+ gpio_pad_select_gpio(BUTTON_PIN);
+ gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
+ gpio_set_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN_ONLY : GPIO_PULLUP_ONLY);
+
+ // USB Controller Hal init
+ periph_module_reset(PERIPH_USB_MODULE);
+ periph_module_enable(PERIPH_USB_MODULE);
+
+ usb_hal_context_t hal = {
+ .use_external_phy = false // use built-in PHY
+ };
+ usb_hal_init(&hal);
+ configure_pins(&hal);
+}
+
+static void configure_pins(usb_hal_context_t *usb)
+{
+ /* usb_periph_iopins currently configures USB_OTG as USB Device.
+ * Introduce additional parameters in usb_hal_context_t when adding support
+ * for USB Host.
+ */
+ for (const usb_iopin_dsc_t *iopin = usb_periph_iopins; iopin->pin != -1; ++iopin) {
+ if ((usb->use_external_phy) || (iopin->ext_phy_only == 0)) {
+ esp_rom_gpio_pad_select_gpio(iopin->pin);
+ if (iopin->is_output) {
+ esp_rom_gpio_connect_out_signal(iopin->pin, iopin->func, false, false);
+ } else {
+ esp_rom_gpio_connect_in_signal(iopin->pin, iopin->func, false);
+ if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH)) {
+ gpio_ll_input_enable(&GPIO, iopin->pin);
+ }
+ }
+ esp_rom_gpio_pad_unhold(iopin->pin);
+ }
+ }
+ if (!usb->use_external_phy) {
+ gpio_set_drive_capability(USBPHY_DM_NUM, GPIO_DRIVE_CAP_3);
+ gpio_set_drive_capability(USBPHY_DP_NUM, GPIO_DRIVE_CAP_3);
+ }
+}
+
+// Turn LED on or off
+void board_led_write(bool state)
+{
+#ifdef NEOPIXEL_PIN
+ strip->set_pixel(strip, 0, (state ? 0x88 : 0x00), 0x00, 0x00);
+ strip->refresh(strip, 100);
+#endif
+}
+
+// Get the current state of button
+// a '1' means active (pressed), a '0' means inactive.
+uint32_t board_button_read(void)
+{
+ return gpio_get_level(BUTTON_PIN) == BUTTON_STATE_ACTIVE;
+}
+
+// Get characters from UART
+int board_uart_read(uint8_t* buf, int len)
+{
+ (void) buf; (void) len;
+ return 0;
+}
+
+// Send characters to UART
+int board_uart_write(void const * buf, int len)
+{
+ (void) buf; (void) len;
+ return 0;
+}
+