void jtagtap_reset(void) { #ifdef TRST_PORT if (platform_hwversion() == 0) { volatile int i; gpio_clear(TRST_PORT, TRST_PIN); for(i = 0; i < 10000; i++) asm("nop"); gpio_set(TRST_PORT, TRST_PIN); } #endif jtagtap_soft_reset(); }
void usbuart_init(void) { #if defined(BLACKMAGIC) /* On mini hardware, UART and SWD share connector pins. * Don't enable UART if we're being debugged. */ if ((platform_hwversion() == 1) && (SCS_DEMCR & SCS_DEMCR_TRCENA)) return; #endif rcc_peripheral_enable_clock(&USBUSART_APB_ENR, USBUSART_CLK_ENABLE); UART_PIN_SETUP(); /* Setup UART parameters. */ usart_set_baudrate(USBUSART, 38400); usart_set_databits(USBUSART, 8); usart_set_stopbits(USBUSART, USART_STOPBITS_1); usart_set_mode(USBUSART, USART_MODE_TX_RX); usart_set_parity(USBUSART, USART_PARITY_NONE); usart_set_flow_control(USBUSART, USART_FLOWCONTROL_NONE); /* Finally enable the USART. */ usart_enable(USBUSART); /* Enable interrupts */ USBUSART_CR1 |= USART_CR1_RXNEIE; nvic_set_priority(USBUSART_IRQ, IRQ_PRI_USBUSART); nvic_enable_irq(USBUSART_IRQ); /* Setup timer for running deferred FIFO processing */ USBUSART_TIM_CLK_EN(); timer_reset(USBUSART_TIM); timer_set_mode(USBUSART_TIM, TIM_CR1_CKD_CK_INT, TIM_CR1_CMS_EDGE, TIM_CR1_DIR_UP); timer_set_prescaler(USBUSART_TIM, rcc_ppre2_frequency / USBUART_TIMER_FREQ_HZ * 2 - 1); timer_set_period(USBUSART_TIM, USBUART_TIMER_FREQ_HZ / USBUART_RUN_FREQ_HZ - 1); /* Setup update interrupt in NVIC */ nvic_set_priority(USBUSART_TIM_IRQ, IRQ_PRI_USBUSART_TIM); nvic_enable_irq(USBUSART_TIM_IRQ); /* turn the timer on */ timer_enable_counter(USBUSART_TIM); }
bool cmd_version(void) { gdb_outf("Black Magic Probe (Firmware " FIRMWARE_VERSION ") (Hardware Version %d)\n", platform_hwversion()); gdb_out("Copyright (C) 2015 Black Sphere Technologies Ltd.\n"); gdb_out("License GPLv3+: GNU GPL version 3 or later " "<http://gnu.org/licenses/gpl.html>\n\n"); return true; }