X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=src%2Fapplication%2Fmain.rs;h=e11aaf71cc5a9f538c9794cf570f87f9ac245bf8;hb=ed56d89bbb0692755ed06f18d227d4d1e39e6b05;hp=f1aaafe40b1a5e0bc7273f3231a68f3b331c6eda;hpb=c14bb6b5cfbfdc40c7e5d981645604811041b640;p=gps-watch.git diff --git a/src/application/main.rs b/src/application/main.rs index f1aaafe..e11aaf7 100644 --- a/src/application/main.rs +++ b/src/application/main.rs @@ -30,16 +30,23 @@ extern crate common; mod uart0; use common::buffer::Buffer; +use common::ringbuf::Ringbuf; use common::clock; use common::systick; use common::port; use common::gpio; use common::nvic; use common::i2c; +use common::spi; use common::uart; use common::usb_serial; use common::display; use common::gps; +use common::screen; +use common::time::Time; +use common::mx25l::Mx25l; +use common::shell::Shell; +use common::logger::Logger; extern { fn enable_interrupts(); @@ -73,6 +80,64 @@ impl Timer { } } +fn reset_requested() -> bool { + let pta1 = gpio::get(gpio::GPIOA) & (1 << 1); + let pte25 = gpio::get(gpio::GPIOE) & (1 << 25); + + (pta1 | pte25) == 0 +} + +#[inline(never)] +#[panic_handler] +fn panic(_info: &core::panic::PanicInfo) -> ! { + loop { + if reset_requested() { + nvic::system_reset(); + } + } +} + +fn configure_push_buttons() { + // Configure lower right push button. + gpio::set_direction(gpio::GPIOA, 1 << 1, gpio::Direction::Input); + port::set_af(port::PORTA, 1, 1); + port::set_pull(port::PORTA, 1, port::Pull::Up); + + // Configure upper right push button. + gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input); + port::set_af(port::PORTA, 12, 1); + port::set_pull(port::PORTA, 12, port::Pull::Up); + + // Configure lower left push button. + gpio::set_direction(gpio::GPIOE, 1 << 24, gpio::Direction::Input); + port::set_af(port::PORTE, 24, 1); + port::set_pull(port::PORTE, 24, port::Pull::Up); + + // Configure upper left push button. + gpio::set_direction(gpio::GPIOE, 1 << 25, gpio::Direction::Input); + port::set_af(port::PORTE, 25, 1); + port::set_pull(port::PORTE, 25, port::Pull::Up); + + // Configure middle left push button. + gpio::set_direction(gpio::GPIOE, 1 << 31, gpio::Direction::Input); + port::set_af(port::PORTE, 31, 1); + port::set_pull(port::PORTE, 31, port::Pull::Up); +} + +fn uart0_try_read() -> Option { + extern { + static mut uart0_rx_buf: Ringbuf; + } + + unsafe { + if uart0_rx_buf.is_empty() { + None + } else { + Some(uart0_rx_buf.read()) + } + } +} + #[no_mangle] pub unsafe extern "C" fn _start() -> ! { clock::configure(); @@ -92,6 +157,20 @@ pub unsafe extern "C" fn _start() -> ! { gpio::set_direction(gpio::GPIOB, 1 << 16, gpio::Direction::Output); port::set_af(port::PORTB, 16, 1); + // Configure pin for the MX25L's chip select line. + gpio::set_direction(gpio::GPIOD, 1 << 0, gpio::Direction::Output); + port::set_af(port::PORTD, 0, 1); + gpio::set(gpio::GPIOD, 1 << 0); + + // Configure pins for SPI0. + port::set_af(port::PORTD, 1, 2); + port::set_af(port::PORTD, 2, 5); + port::set_af(port::PORTD, 3, 5); + + spi::configure(spi::SPI0); + + nvic::disable_irq(10); // SPI0 + // Configure pins for UART0. port::set_af(port::PORTE, 20, 4); port::set_af(port::PORTE, 21, 4); @@ -100,10 +179,7 @@ pub unsafe extern "C" fn _start() -> ! { gpio::set_direction(gpio::GPIOB, 1 << 1, gpio::Direction::Output); port::set_af(port::PORTB, 1, 1); - // Configure upper right push button. - gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input); - port::set_af(port::PORTA, 12, 1); - port::set_pull(port::PORTA, 12, port::Pull::Up); + configure_push_buttons(); enable_interrupts(); @@ -117,6 +193,8 @@ pub unsafe extern "C" fn _start() -> ! { display.init(); display.clear(); + let mut screen = screen::Screen::new(); + // Hold GPS in reset while configuring its UART. gpio::clear(gpio::GPIOB, 1); systick::delay_ms(50); @@ -126,17 +204,33 @@ pub unsafe extern "C" fn _start() -> ! { nvic::enable_irq(12); // UART0 + let mut shell = Shell::new(&mut cdc_tx_buf); + + let mut mx25l = Mx25l::new(gpio::GPIOD, 1 << 0); + + let mut logger = Logger::new(&mut mx25l); + logger.init(); + let mut gps = gps::Gps::new(); let mut gps_has_fix = false; let mut gps_has_fix_ticks = 0; let mut heart_icon_timer = Timer::new(1000); + let mut gps_icon_timer = Timer::new(500); + + let mut prev_tap = gps::TimeAndPos::new(); loop { let mut tap = gps::TimeAndPos::new(); + let mut show_time = false; + let old_gps_has_fix = gps_has_fix; + + while gps.update(&mut tap, uart0_try_read) { + prev_tap = tap; + + show_time = true; - while gps.update(&mut tap) { gps_has_fix = true; gps_has_fix_ticks = systick::now(); } @@ -146,6 +240,42 @@ pub unsafe extern "C" fn _start() -> ! { gps_has_fix = false; } + if gps_has_fix && !old_gps_has_fix { + display.show_icon(display::Icon::SatelliteBody); + display.show_icon(display::Icon::SatelliteWave1); + display.show_icon(display::Icon::SatelliteWave2); + } else if !gps_has_fix { + gps_icon_timer.update(|state| { + if state == 1 { + display.show_icon(display::Icon::SatelliteWave1); + 2 + } else if state == 2 { + display.show_icon(display::Icon::SatelliteWave2); + 3 + } else if state == 3 { + display.hide_icon(display::Icon::SatelliteBody); + display.hide_icon(display::Icon::SatelliteWave1); + display.hide_icon(display::Icon::SatelliteWave2); + 0 + } else { + display.show_icon(display::Icon::SatelliteBody); + 1 + } + }); + } + + if show_time { + if let Some(tm) = Time::from_unix_time(prev_tap.unix_time) { + let mut time_s = [b' '; 8]; + tm.fmt_time(&mut time_s); + + screen.clear(); + screen.draw_text(&time_s); + + display.draw(&screen); + } + } + heart_icon_timer.update(|state| { if state == 1 { display.hide_icon(display::Icon::Heart); @@ -156,7 +286,9 @@ pub unsafe extern "C" fn _start() -> ! { } }); - if (gpio::get(gpio::GPIOA) & (1 << 12)) == 0 { + shell.update(&mut logger); + + if reset_requested() { nvic::system_reset(); } }