diff options
Diffstat (limited to 'circuitpython/lib/tinyusb/hw/bsp/brtmm90x/family.c')
| -rw-r--r-- | circuitpython/lib/tinyusb/hw/bsp/brtmm90x/family.c | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/circuitpython/lib/tinyusb/hw/bsp/brtmm90x/family.c b/circuitpython/lib/tinyusb/hw/bsp/brtmm90x/family.c new file mode 100644 index 0000000..6b3c1f5 --- /dev/null +++ b/circuitpython/lib/tinyusb/hw/bsp/brtmm90x/family.c @@ -0,0 +1,215 @@ +/* + * The MIT License (MIT) + * + * Copyright 2021 Bridgetek Pte Ltd + * + * 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 "bsp/board.h" +#include "board.h" + +#include <registers/ft900_registers.h> +#include <ft900.h> + +#if CFG_TUD_ENABLED +int8_t board_ft90x_vbus(void); // Board specific implementation of VBUS detection for USB device. +extern void ft90x_usbd_pm_ISR(uint16_t pmcfg); // Interrupt handler for USB device power management +#endif + +#ifdef GPIO_REMOTE_WAKEUP +void gpio_ISR(void); +#endif +void timer_ISR(void); +volatile unsigned int timer_ms = 0; +void board_pm_ISR(void); + +#define WELCOME_MSG "\x1B[2J\x1B[H" \ + "MM900EVxB board\r\n" + +// Initialize on-board peripherals : led, button, uart and USB +void board_init(void) +{ + sys_reset_all(); + // Enable the UART Device. + sys_enable(sys_device_uart0); + // Set UART0 GPIO functions to UART0_TXD and UART0_RXD. + gpio_function(GPIO_UART0_TX, pad_uart0_txd); /* UART0 TXD */ + gpio_function(GPIO_UART0_RX, pad_uart0_rxd); /* UART0 RXD */ + uart_open(UART0, /* Device */ + 1, /* Prescaler = 1 */ + UART_DIVIDER_19200_BAUD, /* Divider = 1302 */ + uart_data_bits_8, /* No. Data Bits */ + uart_parity_none, /* Parity */ + uart_stop_bits_1); /* No. Stop Bits */ + // Print out a welcome message. + // Use sizeof to avoid pulling in strlen unnecessarily. + board_uart_write(WELCOME_MSG, sizeof(WELCOME_MSG)); + +#if 0 + // Ethernet LEDs + gpio_function(GPIO_ETH_LED0, pad_gpio4); /* ETH LED0 */ + gpio_dir(GPIO_ETH_LED0, pad_dir_open_drain); + gpio_function(GPIO_ETH_LED1, pad_gpio5); /* ETH LED1 */ + gpio_dir(GPIO_ETH_LED1, pad_dir_output); +#endif + + sys_enable(sys_device_timer_wdt); + /* Timer A = 1ms */ + timer_prescaler(timer_select_a, 1000); + timer_init(timer_select_a, 100, timer_direction_down, timer_prescaler_select_on, timer_mode_continuous); + timer_enable_interrupt(timer_select_a); + timer_start(timer_select_a); + interrupt_attach(interrupt_timers, (int8_t)interrupt_timers, timer_ISR); + + // Setup VBUS detect GPIO. If the device is connected then this + // will set the MASK_SYS_PMCFG_DEV_DETECT_EN bit in PMCFG. + gpio_interrupt_disable(USBD_VBUS_DTC_PIN); + gpio_function(USBD_VBUS_DTC_PIN, pad_vbus_dtc); + gpio_pull(USBD_VBUS_DTC_PIN, pad_pull_pulldown); + gpio_dir(USBD_VBUS_DTC_PIN, pad_dir_input); + + interrupt_attach(interrupt_0, (int8_t)interrupt_0, board_pm_ISR); + +#ifdef GPIO_REMOTE_WAKEUP + //Configuring GPIO pin to wakeup. + // Set up the wakeup pin. + gpio_dir(GPIO_REMOTE_WAKEUP_PIN, pad_dir_input); + gpio_pull(GPIO_REMOTE_WAKEUP_PIN, pad_pull_pullup); + + // Attach an interrupt handler. + interrupt_attach(interrupt_gpio, (uint8_t)interrupt_gpio, gpio_ISR); + gpio_interrupt_enable(GPIO_REMOTE_WAKEUP_PIN, gpio_int_edge_falling); +#endif + + uart_disable_interrupt(UART0, uart_interrupt_tx); + uart_disable_interrupt(UART0, uart_interrupt_rx); + + // Enable all peripheral interrupts. + interrupt_enable_globally(); + + TU_LOG1("MM900EV1B board setup complete\r\n"); +}; + +void timer_ISR(void) +{ + if (timer_is_interrupted(timer_select_a)) + { + timer_ms++; + } +} + +#ifdef GPIO_REMOTE_WAKEUP +void gpio_ISR(void) +{ + if (gpio_is_interrupted(GPIO_REMOTE_WAKEUP_PIN)) + { + } +} +#endif + +/* Power management ISR */ +void board_pm_ISR(void) +{ + uint16_t pmcfg = SYS->PMCFG_H; + +#if defined(__FT930__) + if (pmcfg & MASK_SYS_PMCFG_SLAVE_PERI_IRQ_PEND) + { + // Clear d2xx hw engine wakeup. + SYS->PMCFG_H = MASK_SYS_PMCFG_SLAVE_PERI_IRQ_PEND; + } +#endif + if (pmcfg & MASK_SYS_PMCFG_PM_GPIO_IRQ_PEND) + { + // Clear GPIO wakeup pending. + SYS->PMCFG_H = MASK_SYS_PMCFG_PM_GPIO_IRQ_PEND; + } + +#if defined(__FT900__) + // USB device power management interrupts. + if (pmcfg & (MASK_SYS_PMCFG_DEV_CONN_DEV | + MASK_SYS_PMCFG_DEV_DIS_DEV | + MASK_SYS_PMCFG_HOST_RST_DEV | + MASK_SYS_PMCFG_HOST_RESUME_DEV) + ) + { +#if CFG_TUD_ENABLED + ft90x_usbd_pm_ISR(pmcfg); +#endif + } +#endif +} + +#if CFG_TUD_ENABLED +int8_t board_ft90x_vbus(void) +{ + return gpio_read(USBD_VBUS_DTC_PIN); +} +#endif + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +// Turn LED on or off +void board_led_write(bool state) +{ + gpio_write(GPIO_ETH_LED0, state); +} + +// Get the current state of button +// a '1' means active (pressed), a '0' means inactive. +uint32_t board_button_read(void) +{ + return 0; +} + +// Get characters from UART +int board_uart_read(uint8_t *buf, int len) +{ + int r = uart_readn(UART0, (uint8_t *)buf, len); + + return r; +} + +// Send characters to UART +int board_uart_write(void const *buf, int len) +{ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-qual" // uart_writen does not have const for buffer parameter. + int r = uart_writen(UART0, (uint8_t *)((const void *)buf), len); +#pragma GCC diagnostic pop + + return r; +} + +// Get current milliseconds +uint32_t board_millis(void) +{ + uint32_t safe_ms; + + CRITICAL_SECTION_BEGIN + safe_ms = timer_ms; + CRITICAL_SECTION_END + + return safe_ms; +} |