sravan/system76-firmware-open
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WIP: read flash data

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This commit is contained in:
Jeremy Soller
2020-12-01 14:43:49 -07:00
parent efb612975b
commit effa5e523a
1 changed files with 20 additions and 1 deletions
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21
you-ass-bee-see/src/main.rs
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@@ -1,7 +1,26 @@
use i2cdev::core::I2CDevice;
use i2cdev::linux::LinuxI2CDevice;
const IECS_CMD: u8 = 8;
const IECS_DATA: u8 = 9;
const MSG_OUT_RDATA: u8 = 18;
const CMD_AFRR: &'static [u8] = &[b'A', b'F', b'R', b'R'];
fn main() {
let mut dev = LinuxI2CDevice::new("/dev/i2c-11", 0x40).unwrap();
println!("{:X?}", dev.smbus_read_block_data(0));
println!("Vendor: {:X?}", dev.smbus_read_block_data(0));
println!("Device: {:X?}", dev.smbus_read_block_data(1));
dev.smbus_write_block_data(IECS_DATA, &[8]).unwrap();
dev.smbus_write_block_data(IECS_CMD, CMD_AFRR).unwrap();
loop {
let data = dev.smbus_read_block_data(IECS_CMD).unwrap();
println!("{:?}", data);
if data.as_slice() != CMD_AFRR {
break;
}
}
println!("Version: {:X?}", dev.smbus_read_block_data(MSG_OUT_RDATA));
}