firmware for my Touchscreen E-Paper Input Module for Framework Laptop 16
tp370pgh01: cache PSR fw16-epd-main: properly reset touch controller
+18
-2
+10
-2
fw16-epd-main/src/main.rs
+10
-2
fw16-epd-main/src/main.rs
···
17
17
use embedded_graphics::prelude::*;
18
18
use embedded_graphics::primitives::{Line, PrimitiveStyle, PrimitiveStyleBuilder};
19
19
use embedded_graphics::text::Text;
20
-
use embedded_hal::digital::PinState;
20
+
use embedded_hal::digital::{OutputPin, PinState};
21
21
use embedded_hal::i2c::I2c;
22
22
use embedded_hal_bus::i2c::RefCellDevice;
23
23
use mcp9808::MCP9808;
···
47
47
static GLOBAL_TOUCH_INT_PIN: Mutex<RefCell<Option<EpdTouchInt>>> = Mutex::new(RefCell::new(None));
48
48
static GLOBAL_I2C: Mutex<RefCell<Option<I2C<I2C0, (I2CSda, I2CScl)>>>> = Mutex::new(RefCell::new(None));
49
49
50
-
static IMAGE_BUFFER: Mutex<RefCell<[u8; tp370pgh01::IMAGE_BYTES]>> = Mutex::new(RefCell::new([0; tp370pgh01::IMAGE_BYTES]));
50
+
static IMAGE_BUFFER: Mutex<RefCell<[u8; IMAGE_BYTES]>> = Mutex::new(RefCell::new([0; tp370pgh01::IMAGE_BYTES]));
51
51
static DO_REFRESH: AtomicBool = AtomicBool::new(false);
52
52
static FAST_REFRESH: AtomicBool = AtomicBool::new(false);
53
53
static TEMP: AtomicU8 = AtomicU8::new(20);
···
98
98
99
99
100
100
let _power = pins.epd_pwr_sw.into_push_pull_output_in_state(PinState::Low);
101
+
102
+
let mut touch_reset = pins.epd_touch_rst.into_push_pull_output_in_state(PinState::High);
103
+
cortex_m::asm::delay(120000);
104
+
touch_reset.set_low().unwrap();
105
+
cortex_m::asm::delay(120000);
106
+
touch_reset.set_high().unwrap();
107
+
cortex_m::asm::delay(1200000);
108
+
101
109
102
110
let cs: EpdCs = pins.spi3_epd_cs.reconfigure();
103
111
let dc: EpdDc = pins.epd_dc.reconfigure();
+8
tp370pgh01/src/lib.rs
+8
tp370pgh01/src/lib.rs
···
63
63
busy: Busy,
64
64
reset: Reset,
65
65
delay: Delay,
66
+
psr: Option<[u8; 2]>,
66
67
}
67
68
68
69
impl<Cs, Sda, Sck, Dc, Busy, Reset, Delay, SpiDelay, Error>
···
108
109
busy,
109
110
reset,
110
111
delay,
112
+
psr: None,
111
113
}
112
114
}
113
115
···
138
140
}
139
141
140
142
fn get_psr(&mut self) -> Result<[u8; 2], Tp370pgh01Error<Error>> {
143
+
if let Some(psr) = self.psr {
144
+
return Ok(psr);
145
+
}
146
+
141
147
debug!("tp370pgh01: reading PSR");
142
148
self.spi.write_register(&[0xa2])?;
143
149
let mut buf = [0u8; 2];
···
172
178
173
179
self.spi.read(&mut buf)?;
174
180
debug!("tp370pgh01: found PSR: {} {}", buf[0], buf[1]);
181
+
182
+
self.psr.replace(buf);
175
183
176
184
Ok(buf)
177
185
}