mirror/tinyusb
1
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2025-03-18 16:21:18 +00:00
Code Issues Packages Projects Releases Wiki Activity

atomic GPIO operation in BSP

Browse Source
This commit is contained in:
Peter Lawrence 2020-02-11 14:34:07 -06:00
parent 7d8ecc63a6
commit 6ab799c7eb
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
hw/bsp/nutiny_sdk_nuc505/nutiny_sdk_nuc505.c
View File

@ -93,8 +93,11 @@ void board_led_write(bool state)
{
uint32_t current = (state) ? LED_STATE_ON : (1-LED_STATE_ON);
current <<= LED_PIN;
uint32_t irq_state = __get_PRIMASK();
__disable_irq();
current |= LED_PORT->DOUT & ~(1UL << LED_PIN);
LED_PORT->DOUT = current;
__set_PRIMASK(irq_state);
}
uint32_t board_button_read(void)