fix(spi): ensure spi_t structure properly init

fpistm · fpistm · commit 22157dbe6436 · 2024-11-04T16:35:45.000+01:00
Fixes #2543 Signed-off-by: Frederic Pillon <frederic.pillon@st.com>
diff --git a/libraries/SPI/src/SPI.cpp b/libraries/SPI/src/SPI.cpp
@@ -37,6 +37,7 @@ SPIClass SPI;
   */
 SPIClass::SPIClass(uint32_t mosi, uint32_t miso, uint32_t sclk, uint32_t ssel)
 {
+  memset((void *)&_spi, 0, sizeof(_spi));
   _spi.pin_miso = digitalPinToPinName(miso);
   _spi.pin_mosi = digitalPinToPinName(mosi);
   _spi.pin_sclk = digitalPinToPinName(sclk);

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,7 @@ SPIClass SPI;`
`37`	`37`	`*/`
`38`	`38`	`SPIClass::SPIClass(uint32_t mosi, uint32_t miso, uint32_t sclk, uint32_t ssel)`
`39`	`39`	`{`
	`40`	`+ memset((void *)&_spi, 0, sizeof(_spi));`
`40`	`41`	`_spi.pin_miso = digitalPinToPinName(miso);`
`41`	`42`	`_spi.pin_mosi = digitalPinToPinName(mosi);`
`42`	`43`	`_spi.pin_sclk = digitalPinToPinName(sclk);`