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[bsp] update delay function

This commit is contained in:
tanek liang 2017-11-17 23:55:30 +08:00 committed by Bernard Xiong
parent 747e49337e
commit f6828446bc
1 changed files with 3 additions and 21 deletions
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24
bsp/stm32f429-apollo/drivers/drv_eth.c
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@ -117,32 +117,14 @@ void HAL_ETH_ErrorCallback(ETH_HandleTypeDef *heth)
{
rt_kprintf("eth err\n");
}
static void delay_ms(rt_uint32_t ms)
{
if (ms < 1000 / RT_TICK_PER_SECOND)
{
rt_thread_delay(1);
}
else
{
rt_thread_delay(rt_tick_from_millisecond(ms));
}
}
static void phy_pin_reset(void)
{
rt_base_t level;
extern void delay_ms(rt_uint32_t nms);
level = rt_hw_interrupt_disable();
rt_pcf8574_write_bit(ETH_RESET_IO, 1);
delay_ms(100);
rt_pcf8574_write_bit(ETH_RESET_IO, 0);
delay_ms(100);
rt_thread_delay(RT_TICK_PER_SECOND / 10);
rt_hw_interrupt_enable(level);
rt_pcf8574_write_bit(ETH_RESET_IO, 0);
rt_thread_delay(RT_TICK_PER_SECOND / 10);
}
#ifdef DEBUG
FINSH_FUNCTION_EXPORT(phy_pin_reset, phy hardware reset);