Add internal I2C argument to send stop while reading (#22127)

arendst · Sep 11, 2024 · 9d012f6 · 9d012f6
1 parent 1edc4b5
commit 9d012f6
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/tasmota/tasmota_support/support_a_i2c.ino b/tasmota/tasmota_support/support_a_i2c.ino
@@ -62,7 +62,7 @@ TwoWire& I2cGetWire(uint8_t bus = 0) {
  * Return code: 0 = Error, 1 = OK
 \*-------------------------------------------------------------------------------------------*/
 
-bool I2cValidRead(uint8_t addr, uint8_t reg, uint8_t size, uint8_t bus = 0) {
+bool I2cValidRead(uint8_t addr, uint8_t reg, uint8_t size, uint8_t bus = 0, bool sendStop = false) {
   i2c_buffer = 0;
 
   TwoWire& myWire = I2cGetWire(bus);
@@ -73,7 +73,7 @@ bool I2cValidRead(uint8_t addr, uint8_t reg, uint8_t size, uint8_t bus = 0) {
   while (!status && retry) {
     myWire.beginTransmission(addr);                       // start transmission to device
     myWire.write(reg);                                    // sends register address to read from
-    if (0 == myWire.endTransmission(false)) {             // Try to become I2C Master, send data and collect bytes, keep master status for next request...
+    if (0 == myWire.endTransmission(sendStop)) {          // Try to become I2C Master, send data and collect bytes, keep master status for next request...
       myWire.requestFrom((int)addr, (int)size);           // send data n-bytes read
       if (myWire.available() == size) {
         for (uint32_t i = 0; i < size; i++) {