marc
/
stm32f0xx-hal
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
Browse Source

Remove examples requiring external driver crates 

Signed-off-by: Daniel Egger <daniel@eggers-club.de>
features/pwm
Daniel Egger 4 years ago
parent
1ed311cd62
commit
386b24bb11
4 changed files with 0 additions and 639 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 14
      Cargo.toml
  2. 286
      examples/i2c_hal_ina260reader.rs
  3. 74
      examples/i2c_hal_ina260serial.rs
  4. 265
      examples/i2c_hal_ssd1306alphabeter.rs

14
Cargo.toml
Unescape View File

@ -41,8 +41,6 @@ features = ["unproven"]
version = "0.2.2"
[dev-dependencies]
ina260 = "0.2.6"
numtoa = "0.2.3"
panic-halt = "0.2.0"
[features]
@ -65,22 +63,10 @@ debug = true
lto = true
opt-level = "s"
[[example]]
name = "i2c_hal_ssd1306alphabeter"
required-features = ["stm32f042"]
[[example]]
name = "i2c_hal_ina260serial"
required-features = ["stm32f042"]
[[example]]
name = "led_hal_button_irq"
required-features = ["stm32f042", "rt"]
[[example]]
name = "i2c_hal_ina260reader"
required-features = ["stm32f042"]
[[example]]
name = "spi_hal_apa102c"
required-features = ["stm32f042"]

286
examples/i2c_hal_ina260reader.rs
Unescape View File

@ -1,286 +0,0 @@
#![no_main]
#![no_std]
use panic_halt;
use stm32f0xx_hal as hal;
use crate::hal::i2c::*;
use crate::hal::prelude::*;
use crate::hal::stm32;
use embedded_hal::blocking::i2c::Write;
use numtoa::NumToA;
use cortex_m_rt::entry;
const SSD1306_BYTE_CMD: u8 = 0x00;
const SSD1306_BYTE_DATA: u8 = 0x40;
const SSD1306_BYTE_CMD_SINGLE: u8 = 0x80;
const SSD1306_DISPLAY_RAM: u8 = 0xA4;
const SSD1306_DISPLAY_NORMAL: u8 = 0xA6;
const SSD1306_DISPLAY_OFF: u8 = 0xAE;
const SSD1306_DISPLAY_ON: u8 = 0xAF;
const SSD1306_MEMORY_ADDR_MODE: u8 = 0x20;
const SSD1306_COLUMN_RANGE: u8 = 0x21;
const SSD1306_PAGE_RANGE: u8 = 0x22;
const SSD1306_DISPLAY_START_LINE: u8 = 0x40;
const SSD1306_SCAN_MODE_NORMAL: u8 = 0xC0;
const SSD1306_DISPLAY_OFFSET: u8 = 0xD3;
const SSD1306_PIN_MAP: u8 = 0xDA;
const SSD1306_DISPLAY_CLK_DIV: u8 = 0xD5;
const SSD1306_CHARGE_PUMP: u8 = 0x8D;
#[entry]
fn main() -> ! {
if let Some(p) = stm32::Peripherals::take() {
let gpiof = p.GPIOF.split();
let rcc = p.RCC.constrain();
let _ = rcc.cfgr.freeze();
let scl = gpiof
.pf1
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
let sda = gpiof
.pf0
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
/* Setup I2C1 */
let mut i2c = I2c::i2c1(p.I2C1, (scl, sda), 10.khz());
/* Initialise SSD1306 display */
let _ = ssd1306_init(&mut i2c);
/* Print a welcome message on the display */
let _ = ssd1306_pos(&mut i2c, 0, 0);
/* Endless loop */
loop {
let _ = ssd1306_pos(&mut i2c, 0, 0);
let mut data = [0; 2];
let _ = i2c.write_read(0x40, &[0x00], &mut data);
let config = (u16::from(data[0]) << 8) | u16::from(data[1]);
let mut buffer = [0u8; 10];
let _ = ssd1306_print_bytes(&mut i2c, config.numtoa(10, &mut buffer));
let _ = ssd1306_pos(&mut i2c, 0, 1);
let mut data = [0; 2];
let _ = i2c.write_read(0x40, &[0x02], &mut data);
let mut voltage = ((u32::from(data[0]) << 8) | u32::from(data[1])) * 1250;
let _ = ssd1306_print_bytes(&mut i2c, voltage.numtoa(10, &mut buffer));
let _ = ssd1306_print_bytes(&mut i2c, b"uV ");
let _ = ssd1306_pos(&mut i2c, 0, 2);
let mut data = [0; 2];
let _ = i2c.write_read(0x40, &[0x01], &mut data);
voltage = ((u32::from(data[0]) << 8) | u32::from(data[1])) * 1250;
let _ = ssd1306_print_bytes(&mut i2c, voltage.numtoa(10, &mut buffer));
let _ = ssd1306_print_bytes(&mut i2c, b"uA ");
}
}
loop {
continue;
}
}
/// Print characters on the display with the embedded 7x7 font
fn ssd1306_print_bytes<I2C, E>(i2c: &mut I2C, bytes: &[u8]) -> Result<(), E>
where
I2C: Write<Error = E>,
{
/* A 7x7 font shamelessly borrowed from https://github.com/techninja/MarioChron/ */
const FONT_7X7: [u8; 672] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // (space)
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, // !
0x00, 0x07, 0x00, 0x07, 0x00, 0x00, 0x00, // "
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, 0x00, // #
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00, 0x00, // $
0x23, 0x13, 0x08, 0x64, 0x62, 0x00, 0x00, // %
0x36, 0x49, 0x55, 0x22, 0x50, 0x00, 0x00, // &
0x00, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00, // '
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00, 0x00, // (
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00, 0x00, // )
0x08, 0x2A, 0x1C, 0x2A, 0x08, 0x00, 0x00, // *
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, 0x00, // +
0x00, 0x50, 0x30, 0x00, 0x00, 0x00, 0x00, // ,
0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // -
0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, // .
0x20, 0x10, 0x08, 0x04, 0x02, 0x00, 0x00, // /
0x1C, 0x3E, 0x61, 0x41, 0x43, 0x3E, 0x1C, // 0
0x40, 0x42, 0x7F, 0x7F, 0x40, 0x40, 0x00, // 1
0x62, 0x73, 0x79, 0x59, 0x5D, 0x4F, 0x46, // 2
0x20, 0x61, 0x49, 0x4D, 0x4F, 0x7B, 0x31, // 3
0x18, 0x1C, 0x16, 0x13, 0x7F, 0x7F, 0x10, // 4
0x27, 0x67, 0x45, 0x45, 0x45, 0x7D, 0x38, // 5
0x3C, 0x7E, 0x4B, 0x49, 0x49, 0x79, 0x30, // 6
0x03, 0x03, 0x71, 0x79, 0x0D, 0x07, 0x03, // 7
0x36, 0x7F, 0x49, 0x49, 0x49, 0x7F, 0x36, // 8
0x06, 0x4F, 0x49, 0x49, 0x69, 0x3F, 0x1E, // 9
0x00, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, // :
0x00, 0x56, 0x36, 0x00, 0x00, 0x00, 0x00, // ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, // <
0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x00, // =
0x41, 0x22, 0x14, 0x08, 0x00, 0x00, 0x00, // >
0x02, 0x01, 0x51, 0x09, 0x06, 0x00, 0x00, // ?
0x32, 0x49, 0x79, 0x41, 0x3E, 0x00, 0x00, // @
0x7E, 0x11, 0x11, 0x11, 0x7E, 0x00, 0x00, // A
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00, 0x00, // B
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00, 0x00, // C
0x7F, 0x7F, 0x41, 0x41, 0x63, 0x3E, 0x1C, // D
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, 0x00, // E
0x7F, 0x09, 0x09, 0x01, 0x01, 0x00, 0x00, // F
0x3E, 0x41, 0x41, 0x51, 0x32, 0x00, 0x00, // G
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, 0x00, // H
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00, 0x00, // I
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00, 0x00, // J
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, // K
0x7F, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x00, // L
0x7F, 0x02, 0x04, 0x02, 0x7F, 0x00, 0x00, // M
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00, 0x00, // N
0x3E, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x3E, // O
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00, 0x00, // P
0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00, 0x00, // Q
0x7F, 0x7F, 0x11, 0x31, 0x79, 0x6F, 0x4E, // R
0x46, 0x49, 0x49, 0x49, 0x31, 0x00, 0x00, // S
0x01, 0x01, 0x7F, 0x01, 0x01, 0x00, 0x00, // T
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00, 0x00, // U
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00, 0x00, // V
0x7F, 0x7F, 0x38, 0x1C, 0x38, 0x7F, 0x7F, // W
0x63, 0x14, 0x08, 0x14, 0x63, 0x00, 0x00, // X
0x03, 0x04, 0x78, 0x04, 0x03, 0x00, 0x00, // Y
0x61, 0x51, 0x49, 0x45, 0x43, 0x00, 0x00, // Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00, 0x00, // [
0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00, // "\"
0x41, 0x41, 0x7F, 0x00, 0x00, 0x00, 0x00, // ]
0x04, 0x02, 0x01, 0x02, 0x04, 0x00, 0x00, // ^
0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00, // _
0x00, 0x01, 0x02, 0x04, 0x00, 0x00, 0x00, // `
0x20, 0x54, 0x54, 0x54, 0x78, 0x00, 0x00, // a
0x7F, 0x48, 0x44, 0x44, 0x38, 0x00, 0x00, // b
0x38, 0x44, 0x44, 0x44, 0x20, 0x00, 0x00, // c
0x38, 0x44, 0x44, 0x48, 0x7F, 0x00, 0x00, // d
0x38, 0x54, 0x54, 0x54, 0x18, 0x00, 0x00, // e
0x08, 0x7E, 0x09, 0x01, 0x02, 0x00, 0x00, // f
0x08, 0x14, 0x54, 0x54, 0x3C, 0x00, 0x00, // g
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00, // h
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00, 0x00, // i
0x20, 0x40, 0x44, 0x3D, 0x00, 0x00, 0x00, // j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, 0x00, // k
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00, 0x00, // l
0x7C, 0x04, 0x18, 0x04, 0x78, 0x00, 0x00, // m
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00, // n
0x38, 0x44, 0x44, 0x44, 0x38, 0x00, 0x00, // o
0x7C, 0x14, 0x14, 0x14, 0x08, 0x00, 0x00, // p
0x08, 0x14, 0x14, 0x18, 0x7C, 0x00, 0x00, // q
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00, 0x00, // r
0x48, 0x54, 0x54, 0x54, 0x20, 0x00, 0x00, // s
0x04, 0x3F, 0x44, 0x40, 0x20, 0x00, 0x00, // t
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00, 0x00, // u
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00, 0x00, // v
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00, 0x00, // w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, // x
0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00, 0x00, // y
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00, 0x00, // z
0x00, 0x08, 0x36, 0x41, 0x00, 0x00, 0x00, // {
0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, // |
0x00, 0x41, 0x36, 0x08, 0x00, 0x00, 0x00, // }
0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00, 0x00, // ->
0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00, 0x00, // <-
];
for c in bytes {
/* Create an array with our I2C instruction and a blank column at the end */
let mut data: [u8; 9] = [SSD1306_BYTE_DATA, 0, 0, 0, 0, 0, 0, 0, 0];
/* Calculate our index into the character table above */
let index = (*c as usize - 0x20) * 7;
/* Populate the middle of the array with the data from the character array at the right
* index */
data[1..8].copy_from_slice(&FONT_7X7[index..index + 7]);
/* Write it out to the I2C bus */
i2c.write(0x3C, &data)?
}
Ok(())
}
/// Initialise display with some useful values
fn ssd1306_init<I2C, E>(i2c: &mut I2C) -> Result<(), E>
where
I2C: Write<Error = E>,
{
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_OFF])?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_CLK_DIV, 0x80],
)?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_SCAN_MODE_NORMAL])?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_OFFSET, 0x00, 0x00],
)?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_MEMORY_ADDR_MODE, 0x00],
)?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_START_LINE, 0x00],
)?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_CHARGE_PUMP, 0x14])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_PIN_MAP, 0x12])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_RAM])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_NORMAL])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_ON])?;
let data = [
SSD1306_BYTE_DATA,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
];
for _ in 0..128 {
i2c.write(0x3C, &data)?;
}
Ok(())
}
/// Position cursor at specified x, y block coordinate (multiple of 8)
fn ssd1306_pos<I2C, E>(i2c: &mut I2C, x: u8, y: u8) -> Result<(), E>
where
I2C: Write<Error = E>,
{
let data = [
SSD1306_BYTE_CMD,
SSD1306_COLUMN_RANGE,
x * 8,
0x7F,
SSD1306_PAGE_RANGE,
y,
0x07,
];
i2c.write(0x3C, &data)
}

74
examples/i2c_hal_ina260serial.rs
Unescape View File

@ -1,74 +0,0 @@
#![no_main]
#![no_std]
use panic_halt;
use stm32f0xx_hal as hal;
use crate::hal::i2c::*;
use crate::hal::prelude::*;
use crate::hal::serial::*;
use crate::hal::stm32;
use numtoa::NumToA;
use ina260::*;
use core::fmt::Write;
use cortex_m_rt::entry;
#[entry]
fn main() -> ! {
if let Some(p) = stm32::Peripherals::take() {
let gpiof = p.GPIOF.split();
let gpioa = p.GPIOA.split();
let clocks = p.RCC.constrain().cfgr.freeze();
/* Initialise serial pins */
let tx = gpioa.pa9.into_alternate_af1();
let rx = gpioa.pa10.into_alternate_af1();
/* Setup serial port */
let serial = Serial::usart1(p.USART1, (tx, rx), 115_200.bps(), clocks);
let (mut tx, mut _rx) = serial.split();
/* Initialise I2C pins */
let scl = gpiof
.pf1
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
let sda = gpiof
.pf0
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
/* Setup I2C1 */
let i2c = I2c::i2c1(p.I2C1, (scl, sda), 1.khz());
let mut ina260 = INA260::new(i2c, 0x40).unwrap();
/* Endless loop */
loop {
let mut buffer = [0u8; 10];
/* Read and print voltage */
let voltage = ina260.voltage().unwrap();
let _ = tx.write_str(unsafe {
core::str::from_utf8_unchecked(voltage.numtoa(10, &mut buffer))
});
let _ = tx.write_str("uV\n\r");
/* Read and print current */
let current = ina260.current().unwrap();
let _ = tx.write_str(unsafe {
core::str::from_utf8_unchecked(current.numtoa(10, &mut buffer))
});
let _ = tx.write_str("uA\n\r");
}
}
loop {
continue;
}
}

265
examples/i2c_hal_ssd1306alphabeter.rs
Unescape View File

@ -1,265 +0,0 @@
#![no_main]
#![no_std]
use panic_halt;
use stm32f0xx_hal as hal;
use crate::hal::i2c::*;
use crate::hal::prelude::*;
use crate::hal::stm32;
use cortex_m_rt::entry;
use embedded_hal::blocking::i2c::Write;
const SSD1306_BYTE_CMD: u8 = 0x00;
const SSD1306_BYTE_DATA: u8 = 0x40;
const SSD1306_BYTE_CMD_SINGLE: u8 = 0x80;
const SSD1306_DISPLAY_RAM: u8 = 0xA4;
const SSD1306_DISPLAY_NORMAL: u8 = 0xA6;
const SSD1306_DISPLAY_OFF: u8 = 0xAE;
const SSD1306_DISPLAY_ON: u8 = 0xAF;
const SSD1306_MEMORY_ADDR_MODE: u8 = 0x20;
const SSD1306_COLUMN_RANGE: u8 = 0x21;
const SSD1306_PAGE_RANGE: u8 = 0x22;
const SSD1306_DISPLAY_START_LINE: u8 = 0x40;
const SSD1306_SCAN_MODE_NORMAL: u8 = 0xC0;
const SSD1306_DISPLAY_OFFSET: u8 = 0xD3;
const SSD1306_PIN_MAP: u8 = 0xDA;
const SSD1306_DISPLAY_CLK_DIV: u8 = 0xD5;
const SSD1306_CHARGE_PUMP: u8 = 0x8D;
#[entry]
fn main() -> ! {
if let Some(p) = stm32::Peripherals::take() {
let gpiof = p.GPIOF.split();
let rcc = p.RCC.constrain();
let _ = rcc.cfgr.freeze();
let scl = gpiof
.pf1
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
let sda = gpiof
.pf0
.into_alternate_af1()
.internal_pull_up(true)
.set_open_drain();
/* Setup I2C1 */
let mut i2c = I2c::i2c1(p.I2C1, (scl, sda), 400.khz());
/* Initialise SSD1306 display */
let _ = ssd1306_init(&mut i2c);
/* Print a welcome message on the display */
let _ = ssd1306_pos(&mut i2c, 0, 0);
/* Endless loop */
loop {
for c in 97..123 {
let _ = ssd1306_print_bytes(&mut i2c, &[c]);
}
for c in 65..91 {
let _ = ssd1306_print_bytes(&mut i2c, &[c]);
}
}
}
loop {
continue;
}
}
/// Print characters on the display with the embedded 7x7 font
fn ssd1306_print_bytes<I2C, E>(i2c: &mut I2C, bytes: &[u8]) -> Result<(), E>
where
I2C: Write<Error = E>,
{
/* A 7x7 font shamelessly borrowed from https://github.com/techninja/MarioChron/ */
const FONT_7X7: [u8; 672] = [
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // (space)
0x00, 0x00, 0x5F, 0x00, 0x00, 0x00, 0x00, // !
0x00, 0x07, 0x00, 0x07, 0x00, 0x00, 0x00, // "
0x14, 0x7F, 0x14, 0x7F, 0x14, 0x00, 0x00, // #
0x24, 0x2A, 0x7F, 0x2A, 0x12, 0x00, 0x00, // $
0x23, 0x13, 0x08, 0x64, 0x62, 0x00, 0x00, // %
0x36, 0x49, 0x55, 0x22, 0x50, 0x00, 0x00, // &
0x00, 0x05, 0x03, 0x00, 0x00, 0x00, 0x00, // '
0x00, 0x1C, 0x22, 0x41, 0x00, 0x00, 0x00, // (
0x00, 0x41, 0x22, 0x1C, 0x00, 0x00, 0x00, // )
0x08, 0x2A, 0x1C, 0x2A, 0x08, 0x00, 0x00, // *
0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, 0x00, // +
0x00, 0x50, 0x30, 0x00, 0x00, 0x00, 0x00, // ,
0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // -
0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x00, // .
0x20, 0x10, 0x08, 0x04, 0x02, 0x00, 0x00, // /
0x1C, 0x3E, 0x61, 0x41, 0x43, 0x3E, 0x1C, // 0
0x40, 0x42, 0x7F, 0x7F, 0x40, 0x40, 0x00, // 1
0x62, 0x73, 0x79, 0x59, 0x5D, 0x4F, 0x46, // 2
0x20, 0x61, 0x49, 0x4D, 0x4F, 0x7B, 0x31, // 3
0x18, 0x1C, 0x16, 0x13, 0x7F, 0x7F, 0x10, // 4
0x27, 0x67, 0x45, 0x45, 0x45, 0x7D, 0x38, // 5
0x3C, 0x7E, 0x4B, 0x49, 0x49, 0x79, 0x30, // 6
0x03, 0x03, 0x71, 0x79, 0x0D, 0x07, 0x03, // 7
0x36, 0x7F, 0x49, 0x49, 0x49, 0x7F, 0x36, // 8
0x06, 0x4F, 0x49, 0x49, 0x69, 0x3F, 0x1E, // 9
0x00, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, // :
0x00, 0x56, 0x36, 0x00, 0x00, 0x00, 0x00, // ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, // <
0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x00, // =
0x41, 0x22, 0x14, 0x08, 0x00, 0x00, 0x00, // >
0x02, 0x01, 0x51, 0x09, 0x06, 0x00, 0x00, // ?
0x32, 0x49, 0x79, 0x41, 0x3E, 0x00, 0x00, // @
0x7E, 0x11, 0x11, 0x11, 0x7E, 0x00, 0x00, // A
0x7F, 0x49, 0x49, 0x49, 0x36, 0x00, 0x00, // B
0x3E, 0x41, 0x41, 0x41, 0x22, 0x00, 0x00, // C
0x7F, 0x7F, 0x41, 0x41, 0x63, 0x3E, 0x1C, // D
0x7F, 0x49, 0x49, 0x49, 0x41, 0x00, 0x00, // E
0x7F, 0x09, 0x09, 0x01, 0x01, 0x00, 0x00, // F
0x3E, 0x41, 0x41, 0x51, 0x32, 0x00, 0x00, // G
0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00, 0x00, // H
0x00, 0x41, 0x7F, 0x41, 0x00, 0x00, 0x00, // I
0x20, 0x40, 0x41, 0x3F, 0x01, 0x00, 0x00, // J
0x7F, 0x08, 0x14, 0x22, 0x41, 0x00, 0x00, // K
0x7F, 0x7F, 0x40, 0x40, 0x40, 0x40, 0x00, // L
0x7F, 0x02, 0x04, 0x02, 0x7F, 0x00, 0x00, // M
0x7F, 0x04, 0x08, 0x10, 0x7F, 0x00, 0x00, // N
0x3E, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x3E, // O
0x7F, 0x09, 0x09, 0x09, 0x06, 0x00, 0x00, // P
0x3E, 0x41, 0x51, 0x21, 0x5E, 0x00, 0x00, // Q
0x7F, 0x7F, 0x11, 0x31, 0x79, 0x6F, 0x4E, // R
0x46, 0x49, 0x49, 0x49, 0x31, 0x00, 0x00, // S
0x01, 0x01, 0x7F, 0x01, 0x01, 0x00, 0x00, // T
0x3F, 0x40, 0x40, 0x40, 0x3F, 0x00, 0x00, // U
0x1F, 0x20, 0x40, 0x20, 0x1F, 0x00, 0x00, // V
0x7F, 0x7F, 0x38, 0x1C, 0x38, 0x7F, 0x7F, // W
0x63, 0x14, 0x08, 0x14, 0x63, 0x00, 0x00, // X
0x03, 0x04, 0x78, 0x04, 0x03, 0x00, 0x00, // Y
0x61, 0x51, 0x49, 0x45, 0x43, 0x00, 0x00, // Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00, 0x00, // [
0x02, 0x04, 0x08, 0x10, 0x20, 0x00, 0x00, // "\"
0x41, 0x41, 0x7F, 0x00, 0x00, 0x00, 0x00, // ]
0x04, 0x02, 0x01, 0x02, 0x04, 0x00, 0x00, // ^
0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x00, // _
0x00, 0x01, 0x02, 0x04, 0x00, 0x00, 0x00, // `
0x20, 0x54, 0x54, 0x54, 0x78, 0x00, 0x00, // a
0x7F, 0x48, 0x44, 0x44, 0x38, 0x00, 0x00, // b
0x38, 0x44, 0x44, 0x44, 0x20, 0x00, 0x00, // c
0x38, 0x44, 0x44, 0x48, 0x7F, 0x00, 0x00, // d
0x38, 0x54, 0x54, 0x54, 0x18, 0x00, 0x00, // e
0x08, 0x7E, 0x09, 0x01, 0x02, 0x00, 0x00, // f
0x08, 0x14, 0x54, 0x54, 0x3C, 0x00, 0x00, // g
0x7F, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00, // h
0x00, 0x44, 0x7D, 0x40, 0x00, 0x00, 0x00, // i
0x20, 0x40, 0x44, 0x3D, 0x00, 0x00, 0x00, // j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00, 0x00, // k
0x00, 0x41, 0x7F, 0x40, 0x00, 0x00, 0x00, // l
0x7C, 0x04, 0x18, 0x04, 0x78, 0x00, 0x00, // m
0x7C, 0x08, 0x04, 0x04, 0x78, 0x00, 0x00, // n
0x38, 0x44, 0x44, 0x44, 0x38, 0x00, 0x00, // o
0x7C, 0x14, 0x14, 0x14, 0x08, 0x00, 0x00, // p
0x08, 0x14, 0x14, 0x18, 0x7C, 0x00, 0x00, // q
0x7C, 0x08, 0x04, 0x04, 0x08, 0x00, 0x00, // r
0x48, 0x54, 0x54, 0x54, 0x20, 0x00, 0x00, // s
0x04, 0x3F, 0x44, 0x40, 0x20, 0x00, 0x00, // t
0x3C, 0x40, 0x40, 0x20, 0x7C, 0x00, 0x00, // u
0x1C, 0x20, 0x40, 0x20, 0x1C, 0x00, 0x00, // v
0x3C, 0x40, 0x30, 0x40, 0x3C, 0x00, 0x00, // w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44, 0x00, // x
0x0C, 0x50, 0x50, 0x50, 0x3C, 0x00, 0x00, // y
0x44, 0x64, 0x54, 0x4C, 0x44, 0x00, 0x00, // z
0x00, 0x08, 0x36, 0x41, 0x00, 0x00, 0x00, // {
0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, // |
0x00, 0x41, 0x36, 0x08, 0x00, 0x00, 0x00, // }
0x08, 0x08, 0x2A, 0x1C, 0x08, 0x00, 0x00, // ->
0x08, 0x1C, 0x2A, 0x08, 0x08, 0x00, 0x00, // <-
];
for c in bytes {
/* Create an array with our I2C instruction and a blank column at the end */
let mut data: [u8; 9] = [SSD1306_BYTE_DATA, 0, 0, 0, 0, 0, 0, 0, 0];
/* Calculate our index into the character table above */
let index = (*c as usize - 0x20) * 7;
/* Populate the middle of the array with the data from the character array at the right
* index */
data[1..8].copy_from_slice(&FONT_7X7[index..index + 7]);
/* Write it out to the I2C bus */
i2c.write(0x3C, &data)?
}
Ok(())
}
/// Initialise display with some useful values
fn ssd1306_init<I2C, E>(i2c: &mut I2C) -> Result<(), E>
where
I2C: Write<Error = E>,
{
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_OFF])?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_CLK_DIV, 0x80],
)?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_SCAN_MODE_NORMAL])?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_OFFSET, 0x00, 0x00],
)?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_MEMORY_ADDR_MODE, 0x00],
)?;
i2c.write(
0x3C,
&[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_START_LINE, 0x00],
)?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_CHARGE_PUMP, 0x14])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_PIN_MAP, 0x12])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_RAM])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_NORMAL])?;
i2c.write(0x3C, &[SSD1306_BYTE_CMD_SINGLE, SSD1306_DISPLAY_ON])?;
let data = [
SSD1306_BYTE_DATA,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
];
for _ in 0..128 {
i2c.write(0x3C, &data)?;
}
Ok(())
}
/// Position cursor at specified x, y block coordinate (multiple of 8)
fn ssd1306_pos<I2C, E>(i2c: &mut I2C, x: u8, y: u8) -> Result<(), E>
where
I2C: Write<Error = E>,
{
let data = [
SSD1306_BYTE_CMD,
SSD1306_COLUMN_RANGE,
x * 8,
0x7F,
SSD1306_PAGE_RANGE,
y,
0x07,
];
i2c.write(0x3C, &data)
}
Write Preview
Loading…
Cancel
Save