alex/mppt-modbus
1
0
Fork 0
mirror of https://github.com/italicsjenga/mppt-modbus.git synced 2024-12-23 16:51:30 +11:00
Code Issues Packages Projects Releases Wiki Activity

it works :)

Browse source
This commit is contained in:
Alex Janka 2022-09-03 14:43:17 +10:00
parent 40fec62a19
commit d590bb459f
1 changed files with 41 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

52
src/main.rs
View file

@ -100,23 +100,53 @@ fn main() {
modbus
.connect()
.expect("Could not connect to client device");
let mut data: [u16; 5] = [0; 5];
let mut scaling_data: [u16; 4] = [0; 4];
modbus
.read_registers(0x0000, 5, &mut data)
.expect("Could not read registers");
println!("voltage scaling (whole term): {}", get_floating(data[0]));
.read_registers(0x0000, 4, &mut scaling_data)
.expect("couldnt");
let v_scale = scaling_data[0] as f32 + (scaling_data[1] as f32 / f32::powf(2., 16.));
let i_scale = scaling_data[2] as f32 + (scaling_data[3] as f32 / f32::powf(2., 16.));
let mut data: [u16; 1] = [0; 1];
modbus
.read_registers(Offsets::T_BATT, 1, &mut data)
.expect("couldnt");
// println!("d: {}", (data[0] as f32 * v_scale) / 32768.);
println!("battery temp: {}", data[0]);
modbus
.read_registers(Offsets::CHARGE_STATE, 1, &mut data)
.expect("couldnt");
println!("charge state: {}", data[0]);
modbus
.read_registers(Offsets::ADC_IB_F_1M, 1, &mut data)
.expect("couldnt");
println!(
"voltage scaling (fractional term): {}",
get_floating(data[1])
"current (1 min avg): {}",
data[0] as f32 * i_scale * f32::powf(2., -15.)
);
println!("current scaling (whole term): {}", get_floating(data[2]));
modbus
.read_registers(Offsets::ADC_VB_F_1M, 1, &mut data)
.expect("couldnt");
println!(
"current scaling (fractional term): {}",
get_floating(data[3])
"voltage (1 min avg): {}",
data[0] as f32 * v_scale * f32::powf(2., -15.)
);
println!("software version: {}", data[4]);
// let mut data: [u16; 5] = [0; 5];
// modbus
// .read_registers(0x0000, 5, &mut data)
// .expect("Could not read registers");
// println!("voltage scaling (whole term): {}", get_floating(data[0]));
// println!(
// "voltage scaling (fractional term): {}",
// get_floating(data[1])
// );
// println!("current scaling (whole term): {}", get_floating(data[2]));
// println!(
// "current scaling (fractional term): {}",
// get_floating(data[3])
// );
// println!("software version: {}", data[4]);
}
fn get_floating(num: u16) -> f32 {
num as f32 * 100. / 32768.
num as f32 * 16.92 / 65536.0
}