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;
}
