Readme and warnings (#712)

* Clean up warnings in HAL PUKCC

* Include all BSPs in README.md, minor example fixes

* README refresh, moves some content to wiki

boards/feather_m0/examples/adalogger.rs

@@ -25,7 +25,6 @@ use hal::delay::Delay;
 use hal::pac::{interrupt, CorePeripherals, Peripherals};
 use hal::prelude::*;
 use hal::rtc;
-use hal::time::U32Ext;
 use hal::usb::UsbBus;
 
 use heapless::String;

boards/neokey_trinkey/Cargo.toml

@@ -18,7 +18,6 @@ optional = true
 version = "0.7"
 optional = true
 
-
 [dependencies.atsamd-hal]
 version = "0.14"
 default-features = false
@@ -58,6 +57,10 @@ required-features = ["leds"]
 name = "button"
 required-features = ["leds", "unproven"]
 
+[[example]]
+name = "rainbow"
+required-features = ["leds"]
+
 [[example]]
 name = "usb_echo"
 required-features = ["usb"]

boards/qt_py_m0/Cargo.toml

@@ -31,3 +31,7 @@ rt = ["cortex-m-rt", "atsamd-hal/samd21e-rt"]
 unproven = ["atsamd-hal/unproven"]
 use_semihosting = []
 usb = ["atsamd-hal/usb", "usb-device"]
+
+[[example]]
+name = "usb_echo"
+required-features = ["usb"]

boards/wio_lite_w600/Cargo.toml

@@ -36,3 +36,4 @@ name = "blinky_basic"
 
 [[example]]
 name = "usb_ack"
+required-features = ["usb"]

hal/CHANGELOG.md

@@ -3,6 +3,8 @@
 - Add compile error for combined `library` and `dma` features
 - Add `dma` feature to docs metadata
 - Update the PACs to svd2rust 0.30.2.
+- Fix warnings for thumbv7 targets
+- Update README.md - moves some content to wiki
 
 # v0.16.0
 

hal/src/thumbv7em/pukcc.rs

@@ -294,7 +294,7 @@ impl Pukcc {
         };
         let mut pukcl_params = c_abi::PukclParams::default();
         unsafe {
-            let mut service_params = &mut pukcl_params.params.ZpEcDsaGenerateFast;
+            let service_params = &mut pukcl_params.params.ZpEcDsaGenerateFast;
             service_params.nu1ModBase = modulo_p.pukcc_base();
             service_params.nu1CnsBase = cns.pukcc_base();
             service_params.u2ModLength = C::MOD_LENGTH as u16;
@@ -452,7 +452,7 @@ impl Pukcc {
         };
         let mut pukcl_params = c_abi::PukclParams::default();
         unsafe {
-            let mut service_params = &mut pukcl_params.params.ZpEcDsaVerifyFast;
+            let service_params = &mut pukcl_params.params.ZpEcDsaVerifyFast;
             service_params.nu1ModBase = modulo_p.pukcc_base();
             service_params.nu1CnsBase = cns.pukcc_base();
             service_params.u2ModLength = C::MOD_LENGTH;
@@ -664,7 +664,7 @@ impl Pukcc {
             pukcl_params.header.u2Option = PUKCL_EXPMOD_EXPINPUKCCRAM
                 | window_size.get_windows_size_mask()
                 | mode.get_mode_mask();
-            let mut service_params = &mut pukcl_params.params.ExpMod;
+            let service_params = &mut pukcl_params.params.ExpMod;
             service_params.nu1XBase = output.pukcc_base();
             service_params.nu1ModBase = modulus_cr.pukcc_base();
             service_params.nu1CnsBase = cns_cr.pukcc_base();
@@ -731,7 +731,7 @@ impl Pukcc {
         unsafe {
             // Flag that switches behaviour of `RedMod` service into CNS generator
             pukcl_params.header.u2Option = PUKCL_REDMOD_SETUP;
-            let mut service_params = &mut pukcl_params.params.RedMod;
+            let service_params = &mut pukcl_params.params.RedMod;
             service_params.nu1ModBase = modulus_cr.pukcc_base();
             service_params.nu1CnsBase = cns_cr.pukcc_base();
             service_params.u2ModLength = modulus.len() as _;