Update docs/05-threadsafe-spi.md

sebromero · aentinger · aentinger · commit e52e8ecdb2ec · 2022-06-08T09:34:25.000+02:00
Co-authored-by: Alexander Entinger &lt;consulting@lxrobotics.com&gt;
diff --git a/docs/05-threadsafe-spi.md b/docs/05-threadsafe-spi.md
@@ -71,7 +71,7 @@ For a further simplification [Adafruit_BusIO](https://github.com/adafruit/Adafru
 byte bmp388_read_reg(byte const reg_addr)
 {
   /* REG_ADDR | DUMMY_BYTE | REG_VAL is on SDO */
-  byte write_buffer[2] = {static_cast<byte>(0x80 | reg_addr), 0};
+  byte write_buffer[2] = {0x80 | reg_addr, 0};
   byte read_buffer = 0;
 
   bmp388.spi().write_then_read(write_buffer, sizeof(write_buffer), &read_buffer, sizeof(read_buffer));

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,7 @@ For a further simplification [Adafruit_BusIO](https://github.com/adafruit/Adafru`
`71`	`71`	`byte bmp388_read_reg(byte const reg_addr)`
`72`	`72`	`{`
`73`	`73`	`/* REG_ADDR \| DUMMY_BYTE \| REG_VAL is on SDO */`
`74`		`- byte write_buffer[2] = {static_cast<byte>(0x80 \| reg_addr), 0};`
	`74`	`+ byte write_buffer[2] = {0x80 \| reg_addr, 0};`
`75`	`75`	`byte read_buffer = 0;`
`76`	`76`
`77`	`77`	`bmp388.spi().write_then_read(write_buffer, sizeof(write_buffer), &read_buffer, sizeof(read_buffer));`