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authorKevin O'Connor <kevin@koconnor.net>2020-01-23 11:33:11 -0500
committerKevin O'Connor <kevin@koconnor.net>2020-01-23 11:39:40 -0500
commitaea15250aecc44f0dc977f95e434bccb8744fde4 (patch)
tree3b52fec2fdd1feba361f96ab7cd82141eb3f1949 /src
parentc8a93cb3bffbb01eaae5afbb46b6f4c7df81ec2d (diff)
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stm32: Only declare alternate usart2 on stm32f0
Also, try to improve the structure of the #if/#else/#endif layout in serial.c. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src')
-rw-r--r--src/stm32/Kconfig8
-rw-r--r--src/stm32/serial.c50
-rw-r--r--src/stm32/stm32f0_serial.c32
3 files changed, 41 insertions, 49 deletions
diff --git a/src/stm32/Kconfig b/src/stm32/Kconfig
index 2d9b3c1d..345d859e 100644
--- a/src/stm32/Kconfig
+++ b/src/stm32/Kconfig
@@ -157,7 +157,7 @@ choice
config STM32_SERIAL_USART2
bool "USART2 (on PA3/PA2)"
config STM32_SERIAL_USART2_ALT
- bool "USART2 (on PA15/PA14)"
+ bool "USART2 (on PA15/PA14)" if MACH_STM32F0
config STM32_SERIAL_USART3
bool "USART3"
config STM32_SERIAL_USART3_ALT
@@ -165,10 +165,8 @@ choice
endchoice
config SERIAL_PORT
int
- default 103 if STM32_SERIAL_USART3_ALT
- default 3 if STM32_SERIAL_USART3
- default 102 if STM32_SERIAL_USART2_ALT
- default 2 if STM32_SERIAL_USART2
+ default 3 if STM32_SERIAL_USART3 || STM32_SERIAL_USART3_ALT
+ default 2 if STM32_SERIAL_USART2 || STM32_SERIAL_USART2_ALT
default 1
endif
diff --git a/src/stm32/serial.c b/src/stm32/serial.c
index 0e57a986..b0cb1f55 100644
--- a/src/stm32/serial.c
+++ b/src/stm32/serial.c
@@ -13,35 +13,29 @@
// Select the configured serial port
#if CONFIG_SERIAL_PORT == 1
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA10,PA9");
-#define GPIO_Rx GPIO('A', 10)
-#define GPIO_Tx GPIO('A', 9)
-#define USARTx USART1
-#define USARTx_IRQn USART1_IRQn
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA10,PA9");
+ #define GPIO_Rx GPIO('A', 10)
+ #define GPIO_Tx GPIO('A', 9)
+ #define USARTx USART1
+ #define USARTx_IRQn USART1_IRQn
#elif CONFIG_SERIAL_PORT == 2
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA3,PA2");
-#define GPIO_Rx GPIO('A', 3)
-#define GPIO_Tx GPIO('A', 2)
-#define USARTx USART2
-#define USARTx_IRQn USART2_IRQn
-#elif CONFIG_SERIAL_PORT == 102
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA14,PA15");
-#define GPIO_Rx GPIO('A', 14)
-#define GPIO_Tx GPIO('A', 15)
-#define USARTx USART2b
-#define USARTx_IRQn USART2_IRQn
-#elif CONFIG_SERIAL_PORT == 103
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PD9,PD8");
-#define GPIO_Rx GPIO('D', 9)
-#define GPIO_Tx GPIO('D', 8)
-#define USARTx USART3
-#define USARTx_IRQn USART3_IRQn
-#else
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PB11,PB10");
-#define GPIO_Rx GPIO('B', 11)
-#define GPIO_Tx GPIO('B', 10)
-#define USARTx USART3
-#define USARTx_IRQn USART3_IRQn
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA3,PA2");
+ #define GPIO_Rx GPIO('A', 3)
+ #define GPIO_Tx GPIO('A', 2)
+ #define USARTx USART2
+ #define USARTx_IRQn USART2_IRQn
+#elif CONFIG_SERIAL_PORT == 3
+ #if STM32_SERIAL_USART3_ALT
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PD9,PD8");
+ #define GPIO_Rx GPIO('D', 9)
+ #define GPIO_Tx GPIO('D', 8)
+ #else
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PB11,PB10");
+ #define GPIO_Rx GPIO('B', 11)
+ #define GPIO_Tx GPIO('B', 10)
+ #endif
+ #define USARTx USART3
+ #define USARTx_IRQn USART3_IRQn
#endif
#define CR1_FLAGS (USART_CR1_UE | USART_CR1_RE | USART_CR1_TE \
diff --git a/src/stm32/stm32f0_serial.c b/src/stm32/stm32f0_serial.c
index d478259b..452d66c9 100644
--- a/src/stm32/stm32f0_serial.c
+++ b/src/stm32/stm32f0_serial.c
@@ -13,23 +13,23 @@
// Select the configured serial port
#if CONFIG_SERIAL_PORT == 1
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA10,PA9");
-#define GPIO_Rx GPIO('A', 10)
-#define GPIO_Tx GPIO('A', 9)
-#define USARTx USART1
-#define USARTx_IRQn USART1_IRQn
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA10,PA9");
+ #define GPIO_Rx GPIO('A', 10)
+ #define GPIO_Tx GPIO('A', 9)
+ #define USARTx USART1
+ #define USARTx_IRQn USART1_IRQn
#elif CONFIG_SERIAL_PORT == 2
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA3,PA2");
-#define GPIO_Rx GPIO('A', 3)
-#define GPIO_Tx GPIO('A', 2)
-#define USARTx USART2
-#define USARTx_IRQn USART2_IRQn
-#elif CONFIG_SERIAL_PORT == 102
-DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA15,PA14");
-#define GPIO_Rx GPIO('A', 15)
-#define GPIO_Tx GPIO('A', 14)
-#define USARTx USART2
-#define USARTx_IRQn USART2_IRQn
+ #if STM32_SERIAL_USART2_ALT
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA15,PA14");
+ #define GPIO_Rx GPIO('A', 15)
+ #define GPIO_Tx GPIO('A', 14)
+ #else
+ DECL_CONSTANT_STR("RESERVE_PINS_serial", "PA3,PA2");
+ #define GPIO_Rx GPIO('A', 3)
+ #define GPIO_Tx GPIO('A', 2)
+ #endif
+ #define USARTx USART2
+ #define USARTx_IRQn USART2_IRQn
#endif
#define CR1_FLAGS (USART_CR1_UE | USART_CR1_RE | USART_CR1_TE \