4 files changed, 18 insertions, 13 deletions
diff --git a/lib/pbdrv/drv/arduino/mod.cpp b/lib/pbdrv/drv/arduino/mod.cpp
index c381077..581b80a 100644
--- a/lib/pbdrv/drv/arduino/mod.cpp
+++ b/lib/pbdrv/drv/arduino/mod.cpp
@@ -48,6 +48,8 @@ static void pb_setup() {
  * RP2040.
  */
 __weak void pb_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) {
+	if (pb_hook_i2c_send(addr, buf, sz)) return;
+
 	vTaskDelay(10 / portTICK_PERIOD_MS); // prevent bus collisions
 	Wire.beginTransmission((int) addr);
 	Wire.write(buf, sz);
diff --git a/lib/pbdrv/drv/rp2040/mod.c b/lib/pbdrv/drv/rp2040/mod.c
index bc20927..bca38d0 100644
--- a/lib/pbdrv/drv/rp2040/mod.c
+++ b/lib/pbdrv/drv/rp2040/mod.c
@@ -1,10 +1,8 @@
-#include "pb.h"
-
-#include "pb.h"
-#include "pb-types.h"
-#include "pb-mod.h"
-#include "pb-send.h"
-#include "pb-buf.h"
+#include "../../pb.h"
+#include "../../pb-types.h"
+#include "../../pb-mod.h"
+#include "../../pb-send.h"
+#include "../../pb-buf.h"
 
 #include <hardware/i2c.h>
 #include <hardware/gpio.h>
@@ -43,7 +41,7 @@ void pb_setup() {
 }
 
 __weak void pb_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) {
-	pb_hook_i2c_send(addr, buf, sz);
+	if (pb_hook_i2c_send(addr, buf, sz)) return;
 
 	// false to write stop condition to i2c bus
 	i2c_write_timeout_us(PB_I2C_M, addr, buf, sz, false, PB_TIMEOUT_US);
diff --git a/lib/pbdrv/pb-mod.c b/lib/pbdrv/pb-mod.c
index 6b23b04..0342391 100644
--- a/lib/pbdrv/pb-mod.c
+++ b/lib/pbdrv/pb-mod.c
@@ -18,9 +18,8 @@ __weak void pb_hook_mod_state_write(pb_global_state_t state) {
 	_global_state = state;
 }
 
-__weak void pb_hook_i2c_recv(const uint8_t * data, size_t sz) { }
 __weak void pb_i2c_recv(const uint8_t * data, size_t sz) {
-	pb_hook_i2c_recv(data, sz);
+	if (pb_hook_i2c_recv(data, sz)) return;
 
 	pb_buf_t buf = {
 		.data = (char *) data,
@@ -35,5 +34,11 @@ __weak void pb_i2c_recv(const uint8_t * data, size_t sz) {
 	pb_msg_free(msg);
 }
 
-__weak void pb_hook_i2c_send(i2c_addr_t i2c_addr, const uint8_t * data, size_t sz) { }
+__weak bool pb_hook_i2c_recv(const uint8_t * data, size_t sz) {
+	return false;
+}
+
+__weak bool pb_hook_i2c_send(i2c_addr_t i2c_addr, const uint8_t * data, size_t sz) {
+	return false;
+}
 
diff --git a/lib/pbdrv/pb-mod.h b/lib/pbdrv/pb-mod.h
index e7b7832..7069b32 100644
--- a/lib/pbdrv/pb-mod.h
+++ b/lib/pbdrv/pb-mod.h
@@ -101,8 +101,8 @@ void pb_hook_mod_state_write(pb_global_state_t state);
  * \{
  */
 
-void pb_hook_i2c_recv(const uint8_t * buf, size_t sz);
-void pb_hook_i2c_send(i2c_addr_t i2c_addr, const uint8_t * buf, size_t sz);
+bool pb_hook_i2c_recv(const uint8_t * buf, size_t sz);
+bool pb_hook_i2c_send(i2c_addr_t i2c_addr, const uint8_t * buf, size_t sz);
 
 /// \}