sched: Introduce sched_wake_tasks() function to wake up tasks

Add function to indicate when tasks need to be run.  This will allow
the scheduler code to know if there are any tasks that need to be
processed.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>

2 files changed, 6 insertions, 1 deletions

diff --git a/src/avr/serial.c b/src/avr/serial.c
index 10b95992..8b9dd14a 100644
--- a/src/avr/serial.c
+++ b/src/avr/serial.c
@@ -65,6 +65,8 @@ DECL_INIT(serial_init);
 ISR(USART0_RX_vect)
 {
     uint8_t data = UDR0;
+    if (data == MESSAGE_SYNC)
+        sched_wake_tasks();
     if (receive_pos >= sizeof(receive_buf))
         // Serial overflow - ignore it as crc error will force retransmit
         return;
@@ -104,6 +106,7 @@ console_pop_input(uint8_t len)
             memmove(&receive_buf[copied], &receive_buf[copied + len]
                     , needcopy - copied);
             copied = needcopy;
+            sched_wake_tasks();
         }
         irqstatus_t flag = irq_save();
         if (rpos != readb(&receive_pos)) {
diff --git a/src/avr/usbserial.c b/src/avr/usbserial.c
index 1b42d6d3..cc7bb12c 100644
--- a/src/avr/usbserial.c
+++ b/src/avr/usbserial.c
@@ -42,8 +42,10 @@ static void
 console_pop_input(uint8_t len)
 {
     uint8_t needcopy = receive_pos - len;
-    if (needcopy)
+    if (needcopy) {
         memmove(receive_buf, &receive_buf[len], needcopy);
+        sched_wake_tasks();
+    }
     receive_pos = needcopy;
 }