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Diffstat (limited to 'ports/stm32/uart.c')
-rw-r--r--ports/stm32/uart.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/stm32/uart.c b/ports/stm32/uart.c
index 677606940..54dcc0572 100644
--- a/ports/stm32/uart.c
+++ b/ports/stm32/uart.c
@@ -691,7 +691,7 @@ STATIC mp_obj_t pyb_uart_init_helper(pyb_uart_obj_t *self, size_t n_args, const
self->read_buf_len = args.read_buf_len.u_int + 1; // +1 to adjust for usable length of buffer
self->read_buf = m_new(byte, self->read_buf_len << self->char_width);
__HAL_UART_ENABLE_IT(&self->uart, UART_IT_RXNE);
- HAL_NVIC_SetPriority(self->irqn, IRQ_PRI_UART, IRQ_SUBPRI_UART);
+ NVIC_SetPriority(IRQn_NONNEG(self->irqn), IRQ_PRI_UART);
HAL_NVIC_EnableIRQ(self->irqn);
}