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stm32f7 serial:Add SINGLEWIRE PUSHPULL option

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This commit is contained in:
David Sidrane 2020-08-04 06:40:45 -07:00 committed by Xiang Xiao
parent 156024671e
commit d61f14dd3c
1 changed files with 3 additions and 1 deletions
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4
arch/arm/src/stm32f7/stm32_serial.c
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@ -2437,7 +2437,9 @@ static int up_ioctl(struct file *filep, int cmd, unsigned long arg)
if ((arg & SER_SINGLEWIRE_ENABLED) != 0)
{
uint32_t gpio_val = GPIO_OPENDRAIN;
uint32_t gpio_val = (arg & SER_SINGLEWIRE_PUSHPULL) ==
SER_SINGLEWIRE_PUSHPULL ?
GPIO_PUSHPULL : GPIO_OPENDRAIN;
gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) ==
SER_SINGLEWIRE_PULLUP ? GPIO_PULLUP : GPIO_FLOAT;
gpio_val |= (arg & SER_SINGLEWIRE_PULL_MASK) ==