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authorKevin O'Connor <kevin@koconnor.net>2019-03-31 22:01:41 -0400
committerKevin O'Connor <kevin@koconnor.net>2019-04-04 18:29:31 -0400
commit7765653d83364f266b7f1917b1cd6ab1508e7acf (patch)
tree6f0b0024ca431253e8b351fda0cb2e13af3def77 /src/avr/serial.c
parent1ab02e522565ba991e13a0629041cadf60066926 (diff)
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avr: Use enumerations for buses and reserve pins
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
Diffstat (limited to 'src/avr/serial.c')
-rw-r--r--src/avr/serial.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/src/avr/serial.c b/src/avr/serial.c
index 4cc2ebc8..e0b35bef 100644
--- a/src/avr/serial.c
+++ b/src/avr/serial.c
@@ -7,8 +7,24 @@
#include <avr/interrupt.h> // USART_RX_vect
#include "autoconf.h" // CONFIG_SERIAL_BAUD
#include "board/serial_irq.h" // serial_rx_byte
+#include "command.h" // DECL_CONSTANT_STR
#include "sched.h" // DECL_INIT
+// Reserve serial pins
+#if CONFIG_SERIAL_PORT == 0
+ #if CONFIG_MACH_atmega1280 || CONFIG_MACH_atmega2560
+DECL_CONSTANT_STR("RESERVE_PINS_serial", "PE0,PE1");
+ #else
+DECL_CONSTANT_STR("RESERVE_PINS_serial", "PD0,PD1");
+ #endif
+#elif CONFIG_SERIAL_PORT == 1
+DECL_CONSTANT_STR("RESERVE_PINS_serial", "PD2,PD3");
+#elif CONFIG_SERIAL_PORT == 2
+DECL_CONSTANT_STR("RESERVE_PINS_serial", "PH0,PH1");
+#else
+DECL_CONSTANT_STR("RESERVE_PINS_serial", "PJ0,PJ1");
+#endif
+
// Helper macros for defining serial port aliases
#define AVR_SERIAL_REG1(prefix, id, suffix) prefix ## id ## suffix
#define AVR_SERIAL_REG(prefix, id, suffix) AVR_SERIAL_REG1(prefix, id, suffix)