Before having the i2c device as an shared resource will create a deadlock
because the taskid
for the transient_event is only stored during device registration.
---
c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
b/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
index 14a2467..9bf90ec 100644
--- a/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
+++ b/c/src/lib/libbsp/arm/raspberrypi/i2c/i2c.c
@@ -91,6 +91,7 @@ static int rpi_i2c_bus_transfer(rpi_i2c_bus *bus)
BCM2835_REG(BCM2835_I2C_C) |= (1 << 9);
/* Sleep until the TX FIFO has free space for a new write. */
+ bus->task_id = rtems_task_self();
if (
rtems_event_transient_receive(RTEMS_WAIT, bus->base.timeout) !=
RTEMS_SUCCESSFUL
--
2.5.0
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