Dennis/footswitch-rs
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Removed bug from write operations

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write_pedal() doesn't throw an error anymore. Did not verify yet if keys
are set successfully.
This commit is contained in:
Dennis Potter 2018-07-24 00:17:45 +02:00
parent 60aa8037fb
commit 6bc9c31ed3
1 changed files with 8 additions and 4 deletions
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10
src/pedal_operations.rs
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@ -5,7 +5,7 @@ extern crate hidapi;
pub struct PedalsData { pub struct PedalsData {
header: [u8; 8], header: [u8; 8],
data: [u8; 48], data: [u8; 48],
length: i32, length: u8,
} }
pub struct Pedals { pub struct Pedals {
@ -55,8 +55,10 @@ impl Pedals {
query[3] += ped; query[3] += ped;
// Write query to device
dev.write(&query).unwrap(); dev.write(&query).unwrap();
// Read answer
dev.read(&mut buf[..]).unwrap(); dev.read(&mut buf[..]).unwrap();
buf buf
@ -90,9 +92,10 @@ impl Pedals {
dev.write(&self.ped_data[ped].header).unwrap(); dev.write(&self.ped_data[ped].header).unwrap();
// Write data to device in 8 byte chunks // Write data to device in 8 byte chunks
for i in 0..self.ped_data[ped].length { for i in 0..(self.ped_data[ped].length / 8) {
// Set bounds // Set bounds
let low:usize = i as usize;
let low:usize = (i * 8) as usize;
let up:usize = 8 * (i + 1) as usize; let up:usize = 8 * (i + 1) as usize;
// Write to device // Write to device
@ -100,6 +103,7 @@ impl Pedals {
} }
} }
/// This method writes all data from Pedals.peddata to the device
pub fn write_pedals(&self, dev: & hidapi::HidDevice) { pub fn write_pedals(&self, dev: & hidapi::HidDevice) {
dev.write(&self.start).unwrap(); dev.write(&self.start).unwrap();