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Diffstat (limited to 'tinyusb/hw/bsp/rp2040/family.c')
| -rwxr-xr-x | tinyusb/hw/bsp/rp2040/family.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/tinyusb/hw/bsp/rp2040/family.c b/tinyusb/hw/bsp/rp2040/family.c deleted file mode 100755 index 10ead277..00000000 --- a/tinyusb/hw/bsp/rp2040/family.c +++ /dev/null @@ -1,199 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2020 Raspberry Pi (Trading) Ltd. - * Copyright (c) 2021, 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 "pico/stdlib.h" -#include "pico/binary_info.h" -#include "hardware/gpio.h" -#include "hardware/sync.h" -#include "hardware/structs/ioqspi.h" -#include "hardware/structs/sio.h" - -#include "bsp/board.h" -#include "board.h" - -#ifdef BUTTON_BOOTSEL -// This example blinks the Picoboard LED when the BOOTSEL button is pressed. -// -// Picoboard has a button attached to the flash CS pin, which the bootrom -// checks, and jumps straight to the USB bootcode if the button is pressed -// (pulling flash CS low). We can check this pin in by jumping to some code in -// SRAM (so that the XIP interface is not required), floating the flash CS -// pin, and observing whether it is pulled low. -// -// This doesn't work if others are trying to access flash at the same time, -// e.g. XIP streamer, or the other core. -bool __no_inline_not_in_flash_func(get_bootsel_button)() { - const uint CS_PIN_INDEX = 1; - - // Must disable interrupts, as interrupt handlers may be in flash, and we - // are about to temporarily disable flash access! - uint32_t flags = save_and_disable_interrupts(); - - // Set chip select to Hi-Z - hw_write_masked(&ioqspi_hw->io[CS_PIN_INDEX].ctrl, - GPIO_OVERRIDE_LOW << IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_LSB, - IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_BITS); - - // Note we can't call into any sleep functions in flash right now - for (volatile int i = 0; i < 1000; ++i); - - // The HI GPIO registers in SIO can observe and control the 6 QSPI pins. - // Note the button pulls the pin *low* when pressed. - bool button_state = (sio_hw->gpio_hi_in & (1u << CS_PIN_INDEX)); - - // Need to restore the state of chip select, else we are going to have a - // bad time when we return to code in flash! - hw_write_masked(&ioqspi_hw->io[CS_PIN_INDEX].ctrl, - GPIO_OVERRIDE_NORMAL << IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_LSB, - IO_QSPI_GPIO_QSPI_SS_CTRL_OEOVER_BITS); - - restore_interrupts(flags); - - return button_state; -} -#endif - -//------------- Segger RTT retarget -------------// -#if defined(LOGGER_RTT) - -// Logging with RTT -// - If RTT Control Block is not found by 'Auto Detection` try to use 'Search Range` with '0x20000000 0x10000' -// - SWD speed is rather slow around 1000Khz - -#include "pico/stdio/driver.h" -#include "SEGGER_RTT.h" - -static void stdio_rtt_write (const char *buf, int length) -{ - SEGGER_RTT_Write(0, buf, length); -} - -static int stdio_rtt_read (char *buf, int len) -{ - return SEGGER_RTT_Read(0, buf, len); -} - -static stdio_driver_t stdio_rtt = -{ - .out_chars = stdio_rtt_write, - .out_flush = NULL, - .in_chars = stdio_rtt_read -}; - -void stdio_rtt_init(void) -{ - stdio_set_driver_enabled(&stdio_rtt, true); -} - -#endif - -#ifdef UART_DEV -static uart_inst_t *uart_inst; -#endif - -void board_init(void) -{ -#ifdef LED_PIN - bi_decl(bi_1pin_with_name(LED_PIN, "LED")); - gpio_init(LED_PIN); - gpio_set_dir(LED_PIN, GPIO_OUT); -#endif - - // Button -#ifndef BUTTON_BOOTSEL -#endif - -#if defined(UART_DEV) && defined(LIB_PICO_STDIO_UART) - bi_decl(bi_2pins_with_func(UART_TX_PIN, UART_TX_PIN, GPIO_FUNC_UART)); - uart_inst = uart_get_instance(UART_DEV); - stdio_uart_init_full(uart_inst, CFG_BOARD_UART_BAUDRATE, UART_TX_PIN, UART_RX_PIN); -#endif - -#if defined(LOGGER_RTT) - stdio_rtt_init(); -#endif - - // todo probably set up device mode? -#if TUSB_OPT_DEVICE_ENABLED - -#endif - -#if TUSB_OPT_HOST_ENABLED - // set portfunc to host !!! -#endif -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ -#ifdef LED_PIN - gpio_put(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); -#endif -} - -uint32_t board_button_read(void) -{ -#ifdef BUTTON_BOOTSEL - return BUTTON_STATE_ACTIVE == get_bootsel_button(); -#else - return 0; -#endif -} - -int board_uart_read(uint8_t* buf, int len) -{ -#ifdef UART_DEV - for(int i=0;i<len;i++) { - buf[i] = uart_getc(uart_inst); - } - return len; -#else - return 0; -#endif -} - -int board_uart_write(void const * buf, int len) -{ -#ifdef UART_DEV - char const* bufch = (char const*) buf; - for(int i=0;i<len;i++) { - uart_putc(uart_inst, bufch[i]); - } - return len; -#else - return 0; -#endif -} - -//--------------------------------------------------------------------+ -// USB Interrupt Handler -// rp2040 implementation will install approriate handler when initializing -// tinyusb. There is no need to forward IRQ from application -//--------------------------------------------------------------------+ |