Added missing primitives
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fe3f1dea1f
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307b3d6e72
136
back.txt
136
back.txt
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@ -1,136 +0,0 @@
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#![no_std]
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#![feature(asm, used, const_fn, naked_functions, alloc, box_syntax)]
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#![no_main]
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#![feature(extern_prelude)]
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#[macro_use]
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extern crate hcl;
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#[macro_use]
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extern crate alloc;
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use core::mem;
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use hcl::platform::gpio;
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use hcl::platform::irq;
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use hcl::platform::rcc;
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use hcl::platform::scs;
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use hcl::platform::timer;
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use hcl::platform::usart;
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use hcl::platform::dma;
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use hcl::dma::*;
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mod printer;
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use printer::UsartPrinter;
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fn configure_clocks(rcc: &mut rcc::RCC) {
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rcc.clock_control.set_hse_on(true);
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while !rcc.clock_control.hse_ready() {
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}
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rcc.clock_config.configure(|c| c
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.set_pll_multiplier(10)
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.set_pll_source(rcc::PllSource::HsiDiv2));
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rcc.clock_control.set_pll_on(true);
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while !rcc.clock_control.pll_ready() {
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}
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rcc.clock_config.switch_clock_source(rcc::SystemClockSource::Pll);
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}
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fn configure_peripherals(rcc: &mut hcl::platform::rcc::RCC,
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gpio: &mut gpio::GPIO,
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usart: &mut usart::USART) {
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rcc.apb2_enable.configure(|a| a
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.set_gpio_a(true)
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.set_spi1(true));
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rcc.apb1_enable.configure(|a| a
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.set_usart2(true));
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gpio.configure(|g| g
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.set_mode(2, gpio::PinMode::Output50MHz)
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.set_output_config(2, gpio::OutputConfig::AfPushPull)
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.set_mode(3, gpio::PinMode::Output50MHz)
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.set_output_config(3, gpio::OutputConfig::AfPushPull)
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// SCK1
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.set_mode(5, gpio::PinMode::Output50MHz)
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.set_output_config(5, gpio::OutputConfig::AfPushPull)
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// MOSI1
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.set_mode(7, gpio::PinMode::Output50MHz)
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.set_output_config(7, gpio::OutputConfig::AfPushPull)
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// MISO1
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.set_mode(6, gpio::PinMode::Input)
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.set_input_config(6, gpio::InputConfig::PullUpDown)
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// NSS1
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.set_mode(4, gpio::PinMode::Output50MHz)
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.set_output_config(4, gpio::OutputConfig::PushPull));
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usart.configure(|u| u
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.set_enabled(true)
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.set_tx_enabled(true)
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.set_baudgen((21, 11))); // 115.2 kbaud
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}
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// allowing inlining into main() breaks the stack, since main() must be naked to set up a process stack.
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#[inline(never)]
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fn run(mut scs: scs::Instance, mut p: hcl::platform::Instance) {
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configure_clocks(&mut p.rcc);
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configure_peripherals(&mut p.rcc, &mut p.gpio_a, &mut p.usart2);
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let mut printer = UsartPrinter::init(p.usart2);
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let mut spi = p.spi1;
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spi.configure(|s| s
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.set_enabled(true)
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.set_master_mode(true)
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.set_slave_select_output_enabled(true)
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.set_bidi_tx(false)
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.set_clock_divider(128)
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.set_data_16bit(true)
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.set_clock_idles_high(false)
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.set_lsb_first(false)
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.set_clock_skip_first(true));
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loop {
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p.gpio_a.reset_bit(4);
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spi.set_data(0xFFFF);
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while !spi.rx_buffer_not_empty() {
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}
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let i = spi.data() >> 3;
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let temp = (i as f32) * 0.25;
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while spi.busy() {
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}
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p.gpio_a.set_bit(4);
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let x = format!("> {}\r\n", temp).into_bytes();
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printer.print(x);
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for y in 0u32..0xFFFFFF {
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unsafe { asm!("nop" :::: "volatile") };
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}
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}
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}
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entry_point!(main);
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fn main(scs: scs::Instance, p: hcl::platform::Instance) {
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declare_thread_stack!(stack, 4096);
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unsafe {
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hcl::set_process_stack(&stack);
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hcl::use_process_stack(true);
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}
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run(scs, p);
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}
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@ -415,9 +415,41 @@ impl<SPIAddr, GPIOAddr> St7735IO<SPIAddr, GPIOAddr>
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self.write_command(&Command::MADCTL(param));
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}
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pub fn draw_pixel(&mut self, x : u8, y : u8, color : u16) {
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if x >= self.st7735.width || y >= self.st7735.height {
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return;
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}
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self.set_addr_win(x, y, x+1, y+1);
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self.set_rs();
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self.reset_cs();
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self.write_color_bytes(color);
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self.set_cs();
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}
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pub fn fill_rect(&mut self, x : u8, y : u8, w : u8, h : u8, color: u16) {
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if x >= self.st7735.width || y >= self.st7735.height {
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return;
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}
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let w = if (x + w - 1) >= self.st7735.width {
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self.st7735.width - x
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}
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else {
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w
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};
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let h = if (y + h - 1) >= self.st7735.height {
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self.st7735.height - y
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}
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else {
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h
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};
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self.set_addr_win(x, y, x + w - 1, y + h - 1);
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self.set_rs();
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@ -432,6 +464,14 @@ impl<SPIAddr, GPIOAddr> St7735IO<SPIAddr, GPIOAddr>
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self.set_cs();
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}
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pub fn draw_fast_vline(&mut self, x : u8, y : u8, h : u8, color : u16) {
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self.fill_rect(x, y, 1, h, color);
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}
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pub fn draw_fast_hline(&mut self, x : u8, y : u8, w : u8, color : u16) {
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self.fill_rect(x, y, w, 1, color);
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}
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pub fn done(mut self) -> (St7735, PeripheralRef<spi::SPI, SPIAddr>, PeripheralRef<gpio::GPIO, GPIOAddr>) {
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self.set_cs();
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self.spi.set_enabled(false);
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