Fix minor issue with SPI transfer when sending strings ending in 0 binary value

omckeon · omckeon · commit 32640d353965 · 2025-12-09T22:05:19.000+11:00
diff --git a/coresdk/src/coresdk/raspi_gpio.cpp b/coresdk/src/coresdk/raspi_gpio.cpp
@@ -224,7 +224,8 @@ namespace splashkit_lib
     string raspi_spi_transfer(int handle, const string &send, int count, int &bytes_transfered)
     {
 #ifdef RASPBERRY_PI
-        int len = send.size() > count ? count : send.size();
+        int len = count; // Allows strings ending with a '0' binary value
+        // int len = send.size() > count ? count : send.size();
         char send_buf[len + 1]{};
         for (int i = 0; i < len; i++)
         {
@@ -479,7 +480,7 @@ namespace splashkit_lib
         return -1;
 #endif
     }
-    
+
     void raspi_set_servo_pulsewidth(gpio_pin pin, int pulsewidth)
     {
 #ifdef RASPBERRY_PI

Original file line number	Diff line number	Diff line change
`@@ -224,7 +224,8 @@ namespace splashkit_lib`
`224`	`224`	`string raspi_spi_transfer(int handle, const string &send, int count, int &bytes_transfered)`
`225`	`225`	`{`
`226`	`226`	`#ifdef RASPBERRY_PI`
`227`		`- int len = send.size() > count ? count : send.size();`
	`227`	`+ int len = count; // Allows strings ending with a '0' binary value`
	`228`	`+ // int len = send.size() > count ? count : send.size();`
`228`	`229`	`char send_buf[len + 1]{};`
`229`	`230`	`for (int i = 0; i < len; i++)`
`230`	`231`	`{`
`@@ -479,7 +480,7 @@ namespace splashkit_lib`
`479`	`480`	`return -1;`
`480`	`481`	`#endif`
`481`	`482`	`}`
`482`		`-`
	`483`	`+`
`483`	`484`	`void raspi_set_servo_pulsewidth(gpio_pin pin, int pulsewidth)`
`484`	`485`	`{`
`485`	`486`	`#ifdef RASPBERRY_PI`