WIP: *: bump cortex-m to 0.7.0

This almost certainly breaks the other devices.

Cargo.toml

@@ -15,7 +15,7 @@ repository = "https://github.com/chrysn/efm32gg-hal"
 # documentation = "https://docs.rs/efm32gg-hal" # only to be advertised when actually useful
 
 [dependencies]
-cortex-m = "0.6.0"
+cortex-m = "0.7.0"
 
 # version is a wild guess. dependency on unproven features should only be
 # present if own unproven feature is active (but how do i do that?).
@@ -28,7 +28,7 @@ embedded-hal = { version = "0.2.0", features = ["unproven"] }
 # even smoother.
 
 efm32gg990 = { version = "0.1.2", optional = true }
-efm32gg11b820 = { version = "0.7.0", optional = true }
+efm32gg11b820 = { version = "0.9.0", optional = true }
 efr32xg1 = { version = "0.2.0", optional = true }
 
 [features]

src/timer.rs

@@ -193,12 +193,12 @@ macro_rules! timerchannel {
                     });
             }
             fn get_mode(&self) -> ChannelMode {
-                use registers::$timerN::$ccX_ctrl::MODER;
-                match unsafe { &*Self::register() }.$ccX_ctrl.read().mode() {
-                    MODER::OFF => ChannelMode::Off,
-                    MODER::INPUTCAPTURE => ChannelMode::InputCapture,
-                    MODER::OUTPUTCOMPARE => ChannelMode::OutputCompare,
-                    MODER::PWM => ChannelMode::Pwm,
+                use registers::$timerN::$ccX_ctrl::MODE_A;
+                match unsafe { &*Self::register() }.$ccX_ctrl.read().mode().variant() {
+                    MODE_A::OFF => ChannelMode::Off,
+                    MODE_A::INPUTCAPTURE => ChannelMode::InputCapture,
+                    MODE_A::OUTPUTCOMPARE => ChannelMode::OutputCompare,
+                    MODE_A::PWM => ChannelMode::Pwm,
                 }
             }