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altos/stmf0: Initialize UART RTS/CTS before turning it on
[fw/altos]
/
src
/
stm
/
ao_serial_stm.c
diff --git
a/src/stm/ao_serial_stm.c
b/src/stm/ao_serial_stm.c
index c625471e4b1e9ce39caaf6b7c17a346be76e6953..ef56231334e28894a980f08042a1e72c8530a40f 100644
(file)
--- a/
src/stm/ao_serial_stm.c
+++ b/
src/stm/ao_serial_stm.c
@@
-195,7
+195,7
@@
ao_usart_set_speed(struct ao_stm_usart *usart, uint8_t speed)
}
static void
}
static void
-ao_usart_init(struct ao_stm_usart *usart)
+ao_usart_init(struct ao_stm_usart *usart
, int hw_flow
)
{
usart->reg->cr1 = ((0 << STM_USART_CR1_OVER8) |
(1 << STM_USART_CR1_UE) |
{
usart->reg->cr1 = ((0 << STM_USART_CR1_OVER8) |
(1 << STM_USART_CR1_UE) |
@@
-236,6
+236,10
@@
ao_usart_init(struct ao_stm_usart *usart)
(0 << STM_USART_CR3_IREN) |
(0 << STM_USART_CR3_EIE));
(0 << STM_USART_CR3_IREN) |
(0 << STM_USART_CR3_EIE));
+ if (hw_flow)
+ usart->reg->cr3 |= ((1 << STM_USART_CR3_CTSE) |
+ (1 << STM_USART_CR3_RTSE));
+
/* Pick a 9600 baud rate */
ao_usart_set_speed(usart, AO_SERIAL_SPEED_9600);
}
/* Pick a 9600 baud rate */
ao_usart_set_speed(usart, AO_SERIAL_SPEED_9600);
}
@@
-244,8
+248,6
@@
ao_usart_init(struct ao_stm_usart *usart)
static void
ao_usart_set_flow(struct ao_stm_usart *usart)
{
static void
ao_usart_set_flow(struct ao_stm_usart *usart)
{
- usart->reg->cr3 |= ((1 << STM_USART_CR3_CTSE) |
- (1 << STM_USART_CR3_RTSE));
}
#endif
}
#endif
@@
-441,7
+443,7
@@
ao_serial_init(void)
stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_USART1EN);
ao_stm_usart1.reg = &stm_usart1;
stm_rcc.apb2enr |= (1 << STM_RCC_APB2ENR_USART1EN);
ao_stm_usart1.reg = &stm_usart1;
- ao_usart_init(&ao_stm_usart1);
+ ao_usart_init(&ao_stm_usart1
, 0
);
stm_nvic_set_enable(STM_ISR_USART1_POS);
stm_nvic_set_priority(STM_ISR_USART1_POS, AO_STM_NVIC_MED_PRIORITY);
stm_nvic_set_enable(STM_ISR_USART1_POS);
stm_nvic_set_priority(STM_ISR_USART1_POS, AO_STM_NVIC_MED_PRIORITY);
@@
-494,10
+496,7
@@
ao_serial_init(void)
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_USART2EN);
ao_stm_usart2.reg = &stm_usart2;
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_USART2EN);
ao_stm_usart2.reg = &stm_usart2;
- ao_usart_init(&ao_stm_usart2);
-#if USE_SERIAL_2_FLOW && !USE_SERIAL_2_SW_FLOW
- ao_usart_set_flow(&ao_stm_usart2);
-#endif
+ ao_usart_init(&ao_stm_usart2, USE_SERIAL_2_FLOW && !USE_SERIAL_2_SW_FLOW);
stm_nvic_set_enable(STM_ISR_USART2_POS);
stm_nvic_set_priority(STM_ISR_USART2_POS, AO_STM_NVIC_MED_PRIORITY);
stm_nvic_set_enable(STM_ISR_USART2_POS);
stm_nvic_set_priority(STM_ISR_USART2_POS, AO_STM_NVIC_MED_PRIORITY);
@@
-541,7
+540,7
@@
ao_serial_init(void)
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_USART3EN);
ao_stm_usart3.reg = &stm_usart3;
stm_rcc.apb1enr |= (1 << STM_RCC_APB1ENR_USART3EN);
ao_stm_usart3.reg = &stm_usart3;
- ao_usart_init(&ao_stm_usart3);
+ ao_usart_init(&ao_stm_usart3
, 0
);
stm_nvic_set_enable(STM_ISR_USART3_POS);
stm_nvic_set_priority(STM_ISR_USART3_POS, AO_STM_NVIC_MED_PRIORITY);
stm_nvic_set_enable(STM_ISR_USART3_POS);
stm_nvic_set_priority(STM_ISR_USART3_POS, AO_STM_NVIC_MED_PRIORITY);