X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fstm32l0%2Fao_serial_stm.c;h=650f2f1f636c335f80e8c27068948b42c65a1cfc;hb=b0ea39f7eb18aa73160b0b848a9000892f43c0e7;hp=8fead99ebdcf876426178212771ba5a97d50984b;hpb=33ea5b3658377cea325db285a3e457724f660384;p=fw%2Faltos

diff --git a/src/stm32l0/ao_serial_stm.c b/src/stm32l0/ao_serial_stm.c
index 8fead99e..650f2f1f 100644
--- a/src/stm32l0/ao_serial_stm.c
+++ b/src/stm32l0/ao_serial_stm.c
@@ -66,7 +66,7 @@ _ao_usart_rx(struct ao_stm_usart *usart, int is_stdin)
 			}
 #endif
 		} else {
-			usart->reg->cr1 &= ~(1 << STM_USART_CR1_RXNEIE);
+			usart->reg->cr1 &= ~(1UL << STM_USART_CR1_RXNEIE);
 		}
 	}
 }
@@ -77,11 +77,11 @@ ao_usart_isr(struct ao_stm_usart *usart, int is_stdin)
 	_ao_usart_rx(usart, is_stdin);
 
 	if (!_ao_usart_tx_start(usart))
-		usart->reg->cr1 &= ~(1<< STM_USART_CR1_TXEIE);
+		usart->reg->cr1 &= ~(1UL << STM_USART_CR1_TXEIE);
 
 	if (usart->reg->isr & (1 << STM_USART_ISR_TC)) {
 		usart->tx_running = 0;
-		usart->reg->cr1 &= ~(1 << STM_USART_CR1_TCIE);
+		usart->reg->cr1 &= ~(1UL << STM_USART_CR1_TCIE);
 		if (usart->draining) {
 			usart->draining = 0;
 			ao_wakeup(&usart->tx_fifo);
@@ -380,10 +380,24 @@ ao_serial_set_sw_rts_cts(struct ao_stm_usart *usart,
 void
 ao_serial_shutdown(void)
 {
+# if SERIAL_2_PA2_PA3
+	stm_moder_set(&stm_gpioa, 2, STM_MODER_INPUT);
+	stm_moder_set(&stm_gpioa, 3, STM_MODER_INPUT);
+# elif SERIAL_2_PA9_PA10
+	stm_moder_set(&stm_gpioa, 9, STM_MODER_INPUT);
+	stm_moder_set(&stm_gpioa, 10, STM_MODER_INPUT);
+# elif SERIAL_2_PA14_PA15
+	stm_moder_set(&stm_gpioa, 14, STM_MODER_INPUT);
+	stm_moder_set(&stm_gpioa, 15, STM_MODER_INPUT);
+# elif SERIAL_2_PB6_PB7
+	stm_moder_set(&stm_gpiob, 6, STM_MODER_INPUT);
+	stm_moder_set(&stm_gpiob, 7, STM_MODER_INPUT);
+#endif
 #if HAS_SERIAL_1
 	stm_rcc.apb2enr &= ~(1 << STM_RCC_APB2ENR_USART1EN);
 #endif
 #if HAS_SERIAL_2
+	stm_nvic_set_disable(STM_ISR_USART2_POS);
 	stm_rcc.apb1enr &= ~(1 << STM_RCC_APB1ENR_USART2EN);
 #endif
 }