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https://github.com/hathach/tinyusb.git
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fe63e30a44
Fix handling of interrupt endpoints. i.e. no ZLPs. Fix the assignation of endpoint types. Add button support for MM900evx boards. On board support do not block for UART input.
252 lines
6.9 KiB
C
252 lines
6.9 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright 2021 Bridgetek Pte Ltd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#include "bsp/board.h"
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#include "board.h"
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#include <ft900.h>
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#include <registers/ft900_registers.h>
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#if CFG_TUD_ENABLED
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int8_t board_ft9xx_vbus(void); // Board specific implementation of VBUS detection for USB device.
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extern void ft9xx_usbd_pm_ISR(uint16_t pmcfg); // Interrupt handler for USB device power management
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#endif
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#ifdef GPIO_REMOTE_WAKEUP
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void gpio_ISR(void);
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#endif
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void timer_ISR(void);
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volatile unsigned int timer_ms = 0;
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void board_pm_ISR(void);
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#define WELCOME_MSG "\x1B[2J\x1B[H" \
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"MM900EVxB board\r\n"
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// Initialize on-board peripherals : led, button, uart and USB
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void board_init(void)
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{
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sys_reset_all();
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// Enable the UART Device.
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sys_enable(sys_device_uart0);
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// Set UART0 GPIO functions to UART0_TXD and UART0_RXD.
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#ifdef GPIO_UART0_TX
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gpio_function(GPIO_UART0_TX, pad_uart0_txd); /* UART0 TXD */
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#endif
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#ifdef GPIO_UART0_RX
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gpio_function(GPIO_UART0_RX, pad_uart0_rxd); /* UART0 RXD */
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#endif
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uart_open(UART0, /* Device */
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1, /* Prescaler = 1 */
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UART_DIVIDER_19200_BAUD, /* Divider = 1302 */
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uart_data_bits_8, /* No. Data Bits */
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uart_parity_none, /* Parity */
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uart_stop_bits_1); /* No. Stop Bits */
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// Print out a welcome message.
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// Use sizeof to avoid pulling in strlen unnecessarily.
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board_uart_write(WELCOME_MSG, sizeof(WELCOME_MSG));
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#ifdef GPIO_LED
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gpio_function(GPIO_LED, pad_func_0);
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gpio_idrive(GPIO_LED, pad_drive_12mA);
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gpio_dir(GPIO_LED, pad_dir_output);
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#endif
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#ifdef GPIO_BUTTON
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gpio_function(GPIO_BUTTON, pad_func_0);
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gpio_pull(GPIO_BUTTON, pad_pull_pullup);
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gpio_dir(GPIO_BUTTON, pad_dir_input);
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#endif
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sys_enable(sys_device_timer_wdt);
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/* Timer A = 1ms */
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timer_prescaler(timer_select_a, 1000);
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timer_init(timer_select_a, 100, timer_direction_down, timer_prescaler_select_on, timer_mode_continuous);
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timer_enable_interrupt(timer_select_a);
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timer_start(timer_select_a);
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interrupt_attach(interrupt_timers, (int8_t)interrupt_timers, timer_ISR);
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// Setup VBUS detect GPIO. If the device is connected then this
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// will set the MASK_SYS_PMCFG_DEV_DETECT_EN bit in PMCFG.
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gpio_interrupt_disable(USBD_VBUS_DTC_PIN);
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gpio_function(USBD_VBUS_DTC_PIN, pad_vbus_dtc);
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gpio_pull(USBD_VBUS_DTC_PIN, pad_pull_pulldown);
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gpio_dir(USBD_VBUS_DTC_PIN, pad_dir_input);
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interrupt_attach(interrupt_0, (int8_t)interrupt_0, board_pm_ISR);
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#ifdef GPIO_REMOTE_WAKEUP
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//Configuring GPIO pin to wakeup.
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// Set up the wakeup pin.
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gpio_dir(GPIO_REMOTE_WAKEUP_PIN, pad_dir_input);
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gpio_pull(GPIO_REMOTE_WAKEUP_PIN, pad_pull_pullup);
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// Attach an interrupt handler.
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interrupt_attach(interrupt_gpio, (uint8_t)interrupt_gpio, gpio_ISR);
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gpio_interrupt_enable(GPIO_REMOTE_WAKEUP_PIN, gpio_int_edge_falling);
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#endif
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uart_disable_interrupt(UART0, uart_interrupt_tx);
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uart_disable_interrupt(UART0, uart_interrupt_rx);
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// Enable all peripheral interrupts.
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interrupt_enable_globally();
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TU_LOG1("MM900EV1B board setup complete\r\n");
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};
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void timer_ISR(void)
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{
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if (timer_is_interrupted(timer_select_a))
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{
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timer_ms++;
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}
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}
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#ifdef GPIO_REMOTE_WAKEUP
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void gpio_ISR(void)
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{
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if (gpio_is_interrupted(GPIO_REMOTE_WAKEUP_PIN))
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{
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}
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}
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#endif
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/* Power management ISR */
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void board_pm_ISR(void)
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{
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uint16_t pmcfg = SYS->PMCFG_H;
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#if defined(__FT930__)
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if (pmcfg & MASK_SYS_PMCFG_SLAVE_PERI_IRQ_PEND)
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{
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// Clear d2xx hw engine wakeup.
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SYS->PMCFG_H = MASK_SYS_PMCFG_SLAVE_PERI_IRQ_PEND;
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}
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#endif
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if (pmcfg & MASK_SYS_PMCFG_PM_GPIO_IRQ_PEND)
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{
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// Clear GPIO wakeup pending.
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SYS->PMCFG_H = MASK_SYS_PMCFG_PM_GPIO_IRQ_PEND;
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}
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#if defined(__FT900__)
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// USB device power management interrupts.
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if (pmcfg & (MASK_SYS_PMCFG_DEV_CONN_DEV |
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MASK_SYS_PMCFG_DEV_DIS_DEV |
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MASK_SYS_PMCFG_HOST_RST_DEV |
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MASK_SYS_PMCFG_HOST_RESUME_DEV)
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)
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{
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#if CFG_TUD_ENABLED
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ft9xx_usbd_pm_ISR(pmcfg);
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#endif
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}
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#endif
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}
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#if CFG_TUD_ENABLED
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int8_t board_ft9xx_vbus(void)
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{
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return gpio_read(USBD_VBUS_DTC_PIN);
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}
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#endif
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//--------------------------------------------------------------------+
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// Board porting API
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//--------------------------------------------------------------------+
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// Turn LED on or off
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void board_led_write(bool state)
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{
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#ifdef GPIO_LED
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gpio_write(GPIO_LED, state);
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#endif
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}
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// Get the current state of button
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// a '1' means active (pressed), a '0' means inactive.
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uint32_t board_button_read(void)
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{
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uint32_t state = 0;
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#ifdef GPIO_BUTTON
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state = gpio_read(GPIO_BUTTON);
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state = !state;
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#endif
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return state;
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}
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// Get characters from UART
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int board_uart_read(uint8_t *buf, int len)
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{
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int r = 0;
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if (uart_rx_has_data(UART0))
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{
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r = uart_readn(UART0, (uint8_t *)buf, len);
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}
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return r;
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}
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// Send characters to UART
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int board_uart_write(void const *buf, int len)
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{
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wcast-qual" // uart_writen does not have const for buffer parameter.
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int r = uart_writen(UART0, (uint8_t *)((const void *)buf), len);
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#pragma GCC diagnostic pop
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return r;
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}
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// Get current milliseconds
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uint32_t board_millis(void)
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{
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uint32_t safe_ms;
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CRITICAL_SECTION_BEGIN
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safe_ms = timer_ms;
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CRITICAL_SECTION_END
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return safe_ms;
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}
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// Restart the program
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// Called in the event of a watchdog timeout
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void chip_reboot(void)
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{
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// SOFT reset
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__asm__("call 0");
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#if 0
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// HARD reset
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// Initiates data transfer from Flash Memory to Data Memory (DBG_CMDF2D3)
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// followed by a system reboot
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dbg_memory_copy(0xfe, 0, 0, 255);
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#endif
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}
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