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Diffstat (limited to 'platforms/chibios/drivers/serial.c')
-rw-r--r--platforms/chibios/drivers/serial.c29
1 files changed, 20 insertions, 9 deletions
diff --git a/platforms/chibios/drivers/serial.c b/platforms/chibios/drivers/serial.c
index bb7b3c0554..0cff057d1d 100644
--- a/platforms/chibios/drivers/serial.c
+++ b/platforms/chibios/drivers/serial.c
@@ -5,6 +5,7 @@
#include "quantum.h"
#include "serial.h"
#include "wait.h"
+#include "synchronization_util.h"
#include <hal.h>
@@ -86,7 +87,10 @@ static THD_FUNCTION(Thread1, arg) {
chRegSetThreadName("blinker");
while (true) {
palWaitLineTimeout(SOFT_SERIAL_PIN, TIME_INFINITE);
+
+ split_shared_memory_lock();
interrupt_handler(NULL);
+ split_shared_memory_unlock();
}
}
@@ -205,14 +209,9 @@ void interrupt_handler(void *arg) {
chSysUnlockFromISR();
}
-/////////
-// start transaction by initiator
-//
-// bool soft_serial_transaction(int sstd_index)
-//
-// this code is very time dependent, so we need to disable interrupts
-bool soft_serial_transaction(int sstd_index) {
+static inline bool initiate_transaction(uint8_t sstd_index) {
if (sstd_index > NUM_TOTAL_TRANSACTIONS) return false;
+
split_transaction_desc_t *trans = &split_transaction_table[sstd_index];
// TODO: remove extra delay between transactions
@@ -239,8 +238,7 @@ bool soft_serial_transaction(int sstd_index) {
return false;
}
- // if the slave is present syncronize with it
-
+ // if the slave is present synchronize with it
uint8_t checksum = 0;
// send data to the slave
serial_write_byte(sstd_index); // first chunk is transaction id
@@ -286,3 +284,16 @@ bool soft_serial_transaction(int sstd_index) {
chSysUnlock();
return true;
}
+
+/////////
+// start transaction by initiator
+//
+// bool soft_serial_transaction(int sstd_index)
+//
+// this code is very time dependent, so we need to disable interrupts
+bool soft_serial_transaction(int sstd_index) {
+ split_shared_memory_lock();
+ bool result = initiate_transaction((uint8_t)sstd_index);
+ split_shared_memory_unlock();
+ return result;
+}