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reflow-firmware2.0
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Ported the init sequences from C

This commit is contained in:
Sebastian 2018-09-02 16:27:09 +02:00
parent 1d906b34a6
commit 74fd69dec8
2 changed files with 406 additions and 3 deletions
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13
src/main.rs
View File

@ -22,6 +22,7 @@ use hcl::dma::*;
mod systick;
mod printer;
mod max6675;
mod st7735;
use printer::UsartPrinter;
@ -106,13 +107,19 @@ fn run(mut scs: scs::Instance, mut p: hcl::platform::Instance) {
let mut printer = UsartPrinter::init(p.usart2);
let spi = &mut p.spi1;
let gpio = &mut p.gpio_a;
let mut spi = p.spi1;
let mut gpio = p.gpio_a;
let mut st7735 = st7735::St7735::new(st7735::DisplayType::RED_18_BLACKTAB, 0, 1, 4, 8);
let mut st7735io = st7735.start(spi, gpio);
st7735io.init();
let (st7735, mut spi, mut gpio) = st7735io.done();
loop {
let res = max6675::read(spi, gpio, 9);
let res = max6675::read(&mut spi, &mut gpio, 9);
let msg = match res {
Ok(temp) => format!("> {}\r\n", temp).into_bytes(),

396
src/st7735.rs Normal file
View File

@ -0,0 +1,396 @@
use hcl::platform::PeripheralRef;
use hcl::platform::Location;
use hcl::platform::spi;
use hcl::platform::gpio;
use systick::delay_ms;
const DEFAULT_WIDTH : u8 = 128;
// for 1.44" display
const DEFAULT_HEIGHT_144 : u8 = 128;
// for 1.8" display
const DEFAULT_HEIGHT_18 : u8 = 160;
pub enum DisplayType {
BLUE,
RED_18_GREENTAB,
RED_18_REDTAB,
RED_18_BLACKTAB,
RED144_GREENTAB
}
// ST7735 commands
enum Command {
NOP,
SWRESET,
RDDID,
RDDST,
SLPIN,
SLPOUT,
PTLON,
NORON,
INVOFF,
INVON,
DISPOFF,
DISPON,
CASET(u8, u8, u8, u8),
RASET(u8, u8, u8, u8),
RAMWR,
RAMRD,
PTLAR,
COLMOD(u8),
MADCTL(u8),
FRMCTR1(u8, u8, u8),
FRMCTR2(u8, u8, u8),
FRMCTR3(u8, u8, u8, u8, u8, u8),
INVCTR(u8),
DISSET5(u8, u8),
PWCTR1(u8, u8),
PWCTR2(u8),
PWCTR3(u8, u8),
PWCTR4(u8, u8),
PWCTR5(u8, u8),
PWCTR6(u8, u8),
VMCTR1(u8, u8),
RDID1,
RDID2,
RDID3,
RDID4,
GMCTRP1(u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8),
GMCTRN1(u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8, u8),
}
fn command_to_byte(cmd : Command) -> u8 {
match cmd {
Command::NOP => 0x00,
Command::SWRESET => 0x01,
Command::RDDID => 0x04,
Command::RDDST => 0x09,
Command::SLPIN => 0x10,
Command::SLPOUT => 0x11,
Command::PTLON => 0x12,
Command::NORON => 0x13,
Command::INVOFF => 0x20,
Command::INVON => 0x21,
Command::DISPOFF => 0x28,
Command::DISPON => 0x29,
Command::CASET(_, _, _, _) => 0x2A,
Command::RASET(_, _, _, _) => 0x2B,
Command::RAMWR => 0x2C,
Command::RAMRD => 0x2E,
Command::PTLAR => 0x30,
Command::COLMOD(_) => 0x3A,
Command::MADCTL(_) => 0x36,
Command::FRMCTR1(_, _, _) => 0xB1,
Command::FRMCTR2(_, _, _) => 0xB2,
Command::FRMCTR3(_, _, _, _, _, _) => 0xB3,
Command::INVCTR(_) => 0xB4,
Command::DISSET5(_,_) => 0xB6,
Command::PWCTR1(_, _) => 0xC0,
Command::PWCTR2(_) => 0xC1,
Command::PWCTR3(_, _) => 0xC2,
Command::PWCTR4(_, _) => 0xC3,
Command::PWCTR5(_, _) => 0xC4,
Command::PWCTR6(_, _) => 0xFC,
Command::VMCTR1(_, _) => 0xC5,
Command::RDID1 => 0xDA,
Command::RDID2 => 0xDB,
Command::RDID3 => 0xDC,
Command::RDID4 => 0xDD,
Command::GMCTRP1(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _,) => 0xE0,
Command::GMCTRN1(_, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _,) => 0xE1
}
}
// Initialization commands for 7735B screens
const ST7735_BLUE_INIT : [(Command, u32); 18] = [
(Command::SWRESET, 50), // 1: Software reset, 50 ms delay
(Command::SLPOUT, 500), // 2: Out of sleep mode, 500ms delay
(Command::COLMOD(0x05), 10), // 3: Set color mode, 16-bit color, 10ms delay
(Command::FRMCTR1(0x00, 0x06, 0x03), 10), // 4: Frame rate control,
// fastest refresh,
// 6 lines front porch,
// 3 lines back porch
// 10ms delay
(Command::MADCTL(0x08), 0), // 5: Memory access ctrl (directions)
// Row addr/col addr, bottom to top refresh
(Command::DISSET5(0x15,0x02), 0), // 6: Display settings #5,
// 1 clk cycle nonoverlap, 2 cycle gate
// Fix on VTL
(Command::INVCTR(0x00), 0), // 7: Display inversion control,
// Line inversion
(Command::PWCTR1(0x02, 0x07), 10), // 8: Power control,
// GVDD = 4.7V
// 1.0uA
// 10 ms delay
(Command::PWCTR2(0x05), 0), // 9: Power control,
// GH = 14.7V, VGL = -7.35V
(Command::PWCTR3(0x01, 0x02), 0), // 10: Power control,
// Opamp current small
// Boost frequency
(Command::VMCTR1(0x3C, 0x38), 10), // 11: Power control
// VCOMH = 4V
// VCOML = -1.1V
// 10 ms delay
(Command::PWCTR6(0x11, 0x15), 0), // 12: Power control
(Command::GMCTRP1(0x09, 0x16, 0x09, 0x20, // 13: Magical unicorn dust
0x21, 0x1B, 0x13, 0x19,
0x17, 0x15, 0x1E, 0x2B,
0x04, 0x05, 0x02, 0x0E), 0),
(Command::GMCTRN1(0x0B, 0x14, 0x08, 0x1E, // 14: Sparkles and rainbows
0x22, 0x1D, 0x18, 0x1E,
0x1B, 0x1A, 0x24, 0x2B,
0x06, 0x06, 0x02, 0x0F), 10), // 10ms delay
(Command::CASET(0x00, 0x02, 0x00, 0x81), 0), // 15: Column addr set
// XSTART = 2
// XEND = 129
(Command::RASET(0x00, 0x02, 0x00, 0x81), 0), // 16: Row addr set
// XSTART = 1
// XEND = 160
(Command::NORON, 10), // 17: Normal display on, 10ms delay
(Command::DISPON, 500) // 18: Main screen turn on, 500ms delay
];
// Init for 7735R, part 1 (red or green tab)
const ST7735_RED_INIT : [(Command, u32); 15] = [
(Command::SWRESET, 150), // 1: Software reset, 150ms delay
(Command::SLPOUT, 500), // 2: Out of sleep mode
(Command::FRMCTR1(0x01, 0x2C, 0x2D), 0), // 3: Frame rate ctrl - normal mode
// Rate = fosc/(1x2+40) * (LINE+2C+2D)
(Command::FRMCTR2(0x01, 0x2C, 0x2D), 0), // 4: Frame rate control - idle mode
// Rate = fosc/(1x2+40) * (LINE+2C+2D)
(Command::FRMCTR3(0x01, 0x2C, 0x2D, // 5: Frame rate ctrl - partial mode
0x01, 0x2C, 0x2D), 0), // Dot inversion mode
// Line inversion mode
(Command::INVCTR(0x07), 0), // 6: Display inversion ctrl
// No inversion
(Command::PWCTR1(0xA2, 0x02), 0), // 7: Power control, -4.6V AUTO mode
(Command::PWCTR2(0xC5), 0), // 8: Power control
// VGH25 = 2.4C VGSEL = -10 VGH = 3 * AVDD
(Command::PWCTR3(0x0A, 0x00), 0), // 9: Power control:
// Opamp current small
// Boost frequency
(Command::PWCTR4(0x8A, 0x2A),0), // 10: Power control, 2 args, no delay:
// BCLK/2, Opamp current small & Medium low
(Command::PWCTR5(0x8A, 0xEE), 0), // 11: Power control
(Command::VMCTR1(0x0E, 0x4D), 0), // 12: Power control
(Command::INVOFF, 0), // 13: Don't invert display
(Command::MADCTL(0xC8), 0), // 14: Memory access control (directions), 1 arg:
// row addr/col addr, bottom to top refresh
(Command::COLMOD(0x05), 0) // 15: set color mode, 1 arg, no delay:
// 16-bit color
];
// Init for 7735R, part 2 (green tab only)
const ST7735_RED_INIT_GREEN2 : [(Command, u32); 2] = [
(Command::CASET(0x00, 0x02, 0x00, 0x7F+0x02), 0), // 1: Column addr set
// XSTART = 0
// XEND = 127
(Command::RASET(0x00, 0x01, 0x00, 0x9F+0x01), 0) // 2: Row addr set
// XSTART = 0
// XEND = 159
];
// Init for 7735R, part 2 (red tab only)
const ST7735_RED_INIT_RED2 : [(Command, u32); 2] = [
(Command::CASET(0x00, 0x00, 0x00, 0x7F), 0), // 1: Column addr set, 4 args, no delay:
// XSTART = 0
// XEND = 127
(Command::RASET(0x00, 0x00, 0x00, 0x9F),0) // 2: Row addr set, 4 args, no delay:
// XSTART = 0
// XEND = 159
];
// Init for 7735R, part 2 (green 1.44 tab)
const ST7735_RED_INIT_GREEN1442 : [(Command, u32); 2] = [
(Command::CASET(0x00, 0x00, 0x00, 0x7F), 0), // 1: Column addr set, 4 args, no delay:
// XSTART = 0
// XEND = 127
(Command::RASET(0x00, 0x00, 0x00, 0x7F), 0) // 2: Row addr set, 4 args, no delay:
// XSTART = 0
// XEND = 127
];
// Init for 7735R, part 3 (red or green tab)
const ST7735_RED_INIT3: [(Command, u32); 4] = [
(Command::GMCTRP1(0x02, 0x1c, 0x07, 0x12, // 1: Magical unicorn dust
0x37, 0x32, 0x29, 0x2d,
0x29, 0x25, 0x2B, 0x39,
0x00, 0x01, 0x03, 0x10), 0),
(Command::GMCTRN1(0x03, 0x1d, 0x07, 0x06, // 2: Sparkles and rainbows
0x2E, 0x2C, 0x29, 0x2D,
0x2E, 0x2E, 0x37, 0x3F,
0x00, 0x00, 0x02, 0x10), 0),
(Command::NORON, 10), // 3: Normal display, 10 ms delay
(Command::DISPON, 100) // 4: Main screen turn on, 100 ms delay
];
pub struct St7735 {
display_type : DisplayType,
column_start : u8,
row_start : u8,
width : u8,
height : u8,
cs_pin : u32,
rst_pin : u32,
rs_pin : u32,
led_pin : u32
}
pub struct St7735IO<SPIAddr, GPIOAddr>
where SPIAddr: Location,
GPIOAddr: Location {
st7735 : St7735,
spi : PeripheralRef<spi::SPI, SPIAddr>,
gpio : PeripheralRef<gpio::GPIO, GPIOAddr>,
}
impl St7735 {
pub fn new(display_type : DisplayType, cs_pin : u32, rst_pin : u32, rs_pin : u32, led_pin : u32) -> St7735 {
match display_type {
DisplayType::BLUE => St7735 {
display_type : display_type,
cs_pin : cs_pin,
rst_pin : rst_pin,
rs_pin : rs_pin,
led_pin: led_pin,
column_start : 0,
row_start: 0,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT_18,
},
DisplayType::RED_18_GREENTAB => St7735 {
display_type : display_type,
cs_pin : cs_pin,
rst_pin : rst_pin,
rs_pin : rs_pin,
led_pin: led_pin,
column_start : 2,
row_start: 1,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT_18,
},
DisplayType::RED_18_REDTAB => St7735 {
display_type : display_type,
cs_pin : cs_pin,
rst_pin : rst_pin,
rs_pin : rs_pin,
led_pin: led_pin,
column_start : 0,
row_start: 0,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT_18,
},
DisplayType::RED_18_BLACKTAB => St7735 {
display_type : display_type,
cs_pin : cs_pin,
rst_pin : rst_pin,
rs_pin : rs_pin,
led_pin: led_pin,
column_start : 0,
row_start: 0,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT_18,
},
DisplayType::RED144_GREENTAB => St7735 {
display_type : display_type,
cs_pin : cs_pin,
rst_pin : rst_pin,
rs_pin : rs_pin,
led_pin: led_pin,
column_start : 2,
row_start: 3,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT_144,
},
}
}
pub fn start<SPIAddr, GPIOAddr>(self, spi : PeripheralRef<spi::SPI, SPIAddr>, gpio : PeripheralRef<gpio::GPIO, GPIOAddr>)
-> St7735IO<SPIAddr, GPIOAddr>
where SPIAddr: Location,
GPIOAddr: Location {
St7735IO {
st7735: self,
spi : spi,
gpio : gpio
}
}
}
impl<SPIAddr, GPIOAddr> St7735IO<SPIAddr, GPIOAddr>
where SPIAddr: Location,
GPIOAddr: Location {
fn set_rs(&mut self) {
self.gpio.set_bit(self.st7735.rs_pin);
}
fn reset_rs(&mut self) {
self.gpio.reset_bit(self.st7735.rs_pin);
}
fn set_rst(&mut self) {
self.gpio.set_bit(self.st7735.rst_pin);
}
fn reset_rst(&mut self) {
self.gpio.reset_bit(self.st7735.rst_pin);
}
fn set_cs(&mut self) {
self.gpio.set_bit(self.st7735.cs_pin);
}
fn reset_cs(&mut self) {
self.gpio.reset_bit(self.st7735.cs_pin);
}
fn enable_led(&mut self) {
self.gpio.set_bit(self.st7735.led_pin);
}
fn disable_led(&mut self) {
self.gpio.reset_bit(self.st7735.led_pin);
}
fn reset(&mut self) {
self.reset_cs();
self.set_rst();
delay_ms(500);
self.reset_rst();
delay_ms(500);
self.set_rst();
delay_ms(500);
}
pub fn init(&mut self) {
}
pub fn done(self) -> (St7735, PeripheralRef<spi::SPI, SPIAddr>, PeripheralRef<gpio::GPIO, GPIOAddr>) {
(self.st7735, self.spi, self.gpio)
}
}