示例#1
0
int stm32_dumpgpio(uint32_t pinset, const char *msg)
{
  irqstate_t   flags;
  uint32_t     base;
  unsigned int port;

  /* Get the base address associated with the GPIO port */

  port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
  base = g_gpiobase[port];

  /* The following requires exclusive access to the GPIO registers */

  flags = enter_critical_section();

  DEBUGASSERT(port < STM32F7_NGPIO);

  gpioinfo("GPIO%c pinset: %08x base: %08x -- %s\n",
        g_portchar[port], pinset, base, msg);

  if ((getreg32(STM32_RCC_AHB1ENR) & RCC_AHB1ENR_GPIOEN(port)) != 0)
    {
      gpioinfo(" MODE: %08x OTYPE: %04x     OSPEED: %08x PUPDR: %08x\n",
               getreg32(base + STM32_GPIO_MODER_OFFSET),
               getreg32(base + STM32_GPIO_OTYPER_OFFSET),
               getreg32(base + STM32_GPIO_OSPEED_OFFSET),
               getreg32(base + STM32_GPIO_PUPDR_OFFSET));
      gpioinfo("  IDR: %04x       ODR: %04x       LCKR: %05x\n",
               getreg32(base + STM32_GPIO_IDR_OFFSET),
               getreg32(base + STM32_GPIO_ODR_OFFSET),
               getreg32(base + STM32_GPIO_LCKR_OFFSET));
      gpioinfo(" AFRH: %08x  AFRL: %08x\n",
               getreg32(base + STM32_GPIO_AFRH_OFFSET),
               getreg32(base + STM32_GPIO_AFRL_OFFSET));
    }
  else
    {
      gpioinfo("  GPIO%c not enabled: AHB1ENR: %08x\n",
               g_portchar[port], getreg32(STM32_RCC_AHB1ENR));
    }

  leave_critical_section(flags);
  return OK;
}
示例#2
0
int stm32_dumpgpio(uint32_t pinset, const char *msg)
{
  irqstate_t   flags;
  uint32_t     base;
  unsigned int port;
  unsigned int pin;

  /* Get the base address associated with the GPIO port */

  port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
  pin  = (pinset & GPIO_PIN_MASK) >> GPIO_PIN_SHIFT;
  base = g_gpiobase[port];

  /* The following requires exclusive access to the GPIO registers */

  flags = irqsave();

#if defined(CONFIG_STM32_STM32F10XX)

  lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
        g_portchar[port], pinset, base, msg);

  if ((getreg32(STM32_RCC_APB2ENR) & RCC_APB2ENR_IOPEN(port)) != 0)
    {
      lldbg("  CR: %08x %08x IDR: %04x ODR: %04x LCKR: %04x\n",
            getreg32(base + STM32_GPIO_CRH_OFFSET),
            getreg32(base + STM32_GPIO_CRL_OFFSET),
            getreg32(base + STM32_GPIO_IDR_OFFSET),
            getreg32(base + STM32_GPIO_ODR_OFFSET),
            getreg32(base + STM32_GPIO_LCKR_OFFSET));
      lldbg("  EVCR: %02x MAPR: %08x CR: %04x %04x %04x %04x\n",
            getreg32(STM32_AFIO_EVCR), getreg32(STM32_AFIO_MAPR),
            getreg32(STM32_AFIO_EXTICR1),
            getreg32(STM32_AFIO_EXTICR2),
            getreg32(STM32_AFIO_EXTICR3),
            getreg32(STM32_AFIO_EXTICR4));
    }
  else
    {
      lldbg("  GPIO%c not enabled: APB2ENR: %08x\n",
            g_portchar[port], getreg32(STM32_RCC_APB2ENR));
    }

#elif defined(CONFIG_STM32_STM32F30XX)

  DEBUGASSERT(port < STM32_NGPIO_PORTS);

  lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
        g_portchar[port], pinset, base, msg);

  /* GPIOs are always enabled */

  lldbg(" MODE: %08x OTYPE: %04x     OSPEED: %08x PUPDR: %08x\n",
        getreg32(base + STM32_GPIO_MODER_OFFSET),
        getreg32(base + STM32_GPIO_OTYPER_OFFSET),
        getreg32(base + STM32_GPIO_OSPEED_OFFSET),
        getreg32(base + STM32_GPIO_PUPDR_OFFSET));
  lldbg("  IDR: %04x       ODR: %04x       BSRR: %08x  LCKR: %04x\n",
        getreg32(base + STM32_GPIO_IDR_OFFSET),
        getreg32(base + STM32_GPIO_ODR_OFFSET),
        getreg32(base + STM32_GPIO_BSRR_OFFSET),
        getreg32(base + STM32_GPIO_LCKR_OFFSET));
  lldbg(" AFRH: %08x  AFRL: %08x   BRR: %04x\n",
        getreg32(base + STM32_GPIO_ARFH_OFFSET),
        getreg32(base + STM32_GPIO_AFRL_OFFSET),
        getreg32(base + STM32_GPIO_BRR_OFFSET));

#elif defined(CONFIG_STM32_STM32F20XX) || defined(CONFIG_STM32_STM32F40XX)

  DEBUGASSERT(port < STM32_NGPIO_PORTS);

  lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
        g_portchar[port], pinset, base, msg);

  if ((getreg32(STM32_RCC_AHB1ENR) & RCC_AHB1ENR_GPIOEN(port)) != 0)
    {
      lldbg(" MODE: %08x OTYPE: %04x     OSPEED: %08x PUPDR: %08x\n",
            getreg32(base + STM32_GPIO_MODER_OFFSET),
            getreg32(base + STM32_GPIO_OTYPER_OFFSET),
            getreg32(base + STM32_GPIO_OSPEED_OFFSET),
            getreg32(base + STM32_GPIO_PUPDR_OFFSET));
      lldbg("  IDR: %04x       ODR: %04x       BSRR: %08x  LCKR: %04x\n",
            getreg32(base + STM32_GPIO_IDR_OFFSET),
            getreg32(base + STM32_GPIO_ODR_OFFSET),
            getreg32(base + STM32_GPIO_BSRR_OFFSET),
            getreg32(base + STM32_GPIO_LCKR_OFFSET));
      lldbg(" AFRH: %08x  AFRL: %08x\n",
            getreg32(base + STM32_GPIO_ARFH_OFFSET),
            getreg32(base + STM32_GPIO_AFRL_OFFSET));
    }
  else
    {
      lldbg("  GPIO%c not enabled: AHB1ENR: %08x\n",
            g_portchar[port], getreg32(STM32_RCC_AHB1ENR));
    }
#else
# error "Unsupported STM32 chip"
#endif
  irqrestore(flags);
  return OK;
}