ksupport: fix I2C function signatures.

whitequark · whitequark · commit 82cd9e27f762 · 2017-01-25T02:11:32.000Z
diff --git a/artiq/firmware/libksupport/lib.rs b/artiq/firmware/libksupport/lib.rs
@@ -248,14 +248,14 @@ extern fn i2c_stop(busno: i32) {
     send(&I2CStopRequest { busno: busno as u8 });
 }
 
-extern fn i2c_write(busno: i32, data: i8) -> bool {
+extern fn i2c_write(busno: i32, data: i32) -> bool {
     send(&I2CWriteRequest { busno: busno as u8, data: data as u8 });
     recv!(&I2CWriteReply { ack } => ack)
 }
 
-extern fn i2c_read(busno: i32, ack: bool) -> i8 {
+extern fn i2c_read(busno: i32, ack: bool) -> i32 {
     send(&I2CReadRequest { busno: busno as u8, ack: ack });
-    recv!(&I2CReadReply { data } => data) as i8
+    recv!(&I2CReadReply { data } => data) as i32
 }
 
 unsafe fn attribute_writeback(typeinfo: *const ()) {

Original file line number	Diff line number	Diff line change
`@@ -248,14 +248,14 @@ extern fn i2c_stop(busno: i32) {`
`248`	`248`	`send(&I2CStopRequest { busno: busno as u8 });`
`249`	`249`	`}`
`250`	`250`
`251`		`-extern fn i2c_write(busno: i32, data: i8) -> bool {`
	`251`	`+extern fn i2c_write(busno: i32, data: i32) -> bool {`
`252`	`252`	`send(&I2CWriteRequest { busno: busno as u8, data: data as u8 });`
`253`	`253`	`recv!(&I2CWriteReply { ack } => ack)`
`254`	`254`	`}`
`255`	`255`
`256`		`-extern fn i2c_read(busno: i32, ack: bool) -> i8 {`
	`256`	`+extern fn i2c_read(busno: i32, ack: bool) -> i32 {`
`257`	`257`	`send(&I2CReadRequest { busno: busno as u8, ack: ack });`
`258`		`- recv!(&I2CReadReply { data } => data) as i8`
	`258`	`+ recv!(&I2CReadReply { data } => data) as i32`
`259`	`259`	`}`
`260`	`260`
`261`	`261`	`unsafe fn attribute_writeback(typeinfo: *const ()) {`