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https://github.com/italicsjenga/rp-hal-boards.git
synced 2024-12-23 12:41:31 +11:00
Use released version 0.5.0 of embedded-sdmmc
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37d895244b
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@ -26,7 +26,7 @@ cortex-m-rtic = "1.1.2"
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nb = "1.0"
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nb = "1.0"
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i2c-pio = "0.6.0"
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i2c-pio = "0.6.0"
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heapless = "0.7.9"
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heapless = "0.7.9"
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embedded-sdmmc = "0.4.0"
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embedded-sdmmc = "0.5.0"
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smart-leds = "0.3.0"
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smart-leds = "0.3.0"
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ws2812-pio = "0.6.0"
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ws2812-pio = "0.6.0"
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ssd1306 = "0.7.0"
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ssd1306 = "0.7.0"
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@ -78,10 +78,8 @@
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//! If everything is successful (9 long blink signals), the example will go
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//! If everything is successful (9 long blink signals), the example will go
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//! into a loop and either blink in a _"short long"_ or _"short short long"_ pattern.
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//! into a loop and either blink in a _"short long"_ or _"short short long"_ pattern.
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//!
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//!
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//! If there are 5 different error patterns, all with short blinking pulses:
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//! If there are 4 different error patterns, all with short blinking pulses:
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//!
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//!
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//! - **2 short blink (in a loop)**: Block device could not be acquired, either
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//! no SD card is present or some electrical problem.
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//! - **3 short blink (in a loop)**: Card size could not be retrieved.
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//! - **3 short blink (in a loop)**: Card size could not be retrieved.
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//! - **4 short blink (in a loop)**: Error getting volume/partition 0.
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//! - **4 short blink (in a loop)**: Error getting volume/partition 0.
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//! - **5 short blink (in a loop)**: Error opening root directory.
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//! - **5 short blink (in a loop)**: Error opening root directory.
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@ -92,6 +90,8 @@
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#![no_std]
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#![no_std]
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#![no_main]
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#![no_main]
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use core::cell::RefCell;
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// The macro for our start-up function
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// The macro for our start-up function
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use rp_pico::entry;
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use rp_pico::entry;
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@ -126,11 +126,14 @@ use rp_pico::hal;
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// Link in the embedded_sdmmc crate.
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// Link in the embedded_sdmmc crate.
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// The `SdMmcSpi` is used for block level access to the card.
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// The `SdMmcSpi` is used for block level access to the card.
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// And the `Controller` gives access to the FAT filesystem functions.
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// And the `Controller` gives access to the FAT filesystem functions.
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use embedded_sdmmc::{Controller, SdMmcSpi, TimeSource, Timestamp, VolumeIdx};
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use embedded_sdmmc::{Controller, SdCard, TimeSource, Timestamp, VolumeIdx};
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// Get the file open mode enum:
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// Get the file open mode enum:
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use embedded_sdmmc::filesystem::Mode;
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use embedded_sdmmc::filesystem::Mode;
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use embedded_hal::blocking::delay::DelayMs;
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use embedded_hal::blocking::delay::DelayUs;
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/// A dummy timesource, which is mostly important for creating files.
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/// A dummy timesource, which is mostly important for creating files.
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#[derive(Default)]
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#[derive(Default)]
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pub struct DummyTimesource();
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pub struct DummyTimesource();
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@ -154,7 +157,6 @@ impl TimeSource for DummyTimesource {
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const BLINK_OK_LONG: [u8; 1] = [8u8];
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const BLINK_OK_LONG: [u8; 1] = [8u8];
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const BLINK_OK_SHORT_LONG: [u8; 4] = [1u8, 0u8, 6u8, 0u8];
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const BLINK_OK_SHORT_LONG: [u8; 4] = [1u8, 0u8, 6u8, 0u8];
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const BLINK_OK_SHORT_SHORT_LONG: [u8; 6] = [1u8, 0u8, 1u8, 0u8, 6u8, 0u8];
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const BLINK_OK_SHORT_SHORT_LONG: [u8; 6] = [1u8, 0u8, 1u8, 0u8, 6u8, 0u8];
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const BLINK_ERR_2_SHORT: [u8; 4] = [1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_3_SHORT: [u8; 6] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_3_SHORT: [u8; 6] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_4_SHORT: [u8; 8] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_4_SHORT: [u8; 8] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_5_SHORT: [u8; 10] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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const BLINK_ERR_5_SHORT: [u8; 10] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8];
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@ -162,7 +164,7 @@ const BLINK_ERR_6_SHORT: [u8; 12] = [1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8, 0u8, 1u8
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fn blink_signals(
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fn blink_signals(
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pin: &mut dyn embedded_hal::digital::v2::OutputPin<Error = core::convert::Infallible>,
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pin: &mut dyn embedded_hal::digital::v2::OutputPin<Error = core::convert::Infallible>,
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delay: &mut cortex_m::delay::Delay,
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delay: &mut dyn DelayMs<u32>,
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sig: &[u8],
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sig: &[u8],
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) {
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) {
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for bit in sig {
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for bit in sig {
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@ -186,7 +188,7 @@ fn blink_signals(
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fn blink_signals_loop(
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fn blink_signals_loop(
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pin: &mut dyn embedded_hal::digital::v2::OutputPin<Error = core::convert::Infallible>,
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pin: &mut dyn embedded_hal::digital::v2::OutputPin<Error = core::convert::Infallible>,
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delay: &mut cortex_m::delay::Delay,
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delay: &mut dyn DelayMs<u32>,
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sig: &[u8],
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sig: &[u8],
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) -> ! {
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) -> ! {
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loop {
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loop {
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@ -235,9 +237,6 @@ fn main() -> ! {
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// Set the LED to be an output
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// Set the LED to be an output
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let mut led_pin = pins.led.into_push_pull_output();
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let mut led_pin = pins.led.into_push_pull_output();
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// Setup a delay for the LED blink signals:
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let mut delay = cortex_m::delay::Delay::new(core.SYST, clocks.system_clock.freq().to_Hz());
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// These are implicitly used by the spi driver if they are in the correct mode
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// These are implicitly used by the spi driver if they are in the correct mode
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let _spi_sclk = pins.gpio2.into_mode::<gpio::FunctionSpi>();
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let _spi_sclk = pins.gpio2.into_mode::<gpio::FunctionSpi>();
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let _spi_mosi = pins.gpio3.into_mode::<gpio::FunctionSpi>();
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let _spi_mosi = pins.gpio3.into_mode::<gpio::FunctionSpi>();
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@ -251,34 +250,25 @@ fn main() -> ! {
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let spi = spi.init(
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let spi = spi.init(
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&mut pac.RESETS,
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&mut pac.RESETS,
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clocks.peripheral_clock.freq(),
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clocks.peripheral_clock.freq(),
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16_000_000u32.Hz(),
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400.kHz(), // card initialization happens at low baud rate
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&embedded_hal::spi::MODE_0,
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&embedded_hal::spi::MODE_0,
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);
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);
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info!("Aquire SPI SD/MMC BlockDevice...");
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// We need a delay implementation that can be passed to SdCard and still be used
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let mut sdspi = SdMmcSpi::new(spi, spi_cs);
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// for the blink signals.
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let mut delay = &SharedDelay::new(cortex_m::delay::Delay::new(
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core.SYST,
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clocks.system_clock.freq().to_Hz(),
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));
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info!("Initialize SPI SD/MMC data structures...");
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let sdcard = SdCard::new(spi, spi_cs, delay);
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let mut cont = Controller::new(sdcard, DummyTimesource::default());
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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// Next we need to aquire the block device and initialize the
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info!("Init SD card controller and retrieve card size...");
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// communication with the SD card.
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match cont.device().num_bytes() {
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let block = match sdspi.acquire() {
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Ok(block) => block,
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Err(e) => {
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error!("Error retrieving card size: {}", defmt::Debug2Format(&e));
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blink_signals_loop(&mut led_pin, &mut delay, &BLINK_ERR_2_SHORT);
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}
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};
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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info!("Init SD card controller...");
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let mut cont = Controller::new(block, DummyTimesource::default());
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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info!("OK!\nCard size...");
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match cont.device().card_size_bytes() {
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Ok(size) => info!("card size is {} bytes", size),
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Ok(size) => info!("card size is {} bytes", size),
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Err(e) => {
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Err(e) => {
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error!("Error retrieving card size: {}", defmt::Debug2Format(&e));
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error!("Error retrieving card size: {}", defmt::Debug2Format(&e));
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@ -288,6 +278,10 @@ fn main() -> ! {
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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blink_signals(&mut led_pin, &mut delay, &BLINK_OK_LONG);
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// Now that the card is initialized, clock can go faster
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cont.device()
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.spi(|spi| spi.set_baudrate(clocks.peripheral_clock.freq(), 16.MHz()));
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info!("Getting Volume 0...");
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info!("Getting Volume 0...");
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let mut volume = match cont.get_volume(VolumeIdx(0)) {
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let mut volume = match cont.get_volume(VolumeIdx(0)) {
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Ok(v) => v,
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Ok(v) => v,
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@ -379,3 +373,29 @@ fn main() -> ! {
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delay.delay_ms(1000);
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delay.delay_ms(1000);
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}
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}
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}
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}
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// Can be removed once we have https://github.com/rp-rs/rp-hal/pull/614,
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// ie. when we move to rp2040-hal 0.9
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struct SharedDelay {
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inner: RefCell<cortex_m::delay::Delay>,
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}
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impl SharedDelay {
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fn new(delay: cortex_m::delay::Delay) -> Self {
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Self {
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inner: delay.into(),
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}
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}
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}
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impl DelayMs<u32> for &SharedDelay {
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fn delay_ms(&mut self, ms: u32) {
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self.inner.borrow_mut().delay_ms(ms);
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}
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}
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impl DelayUs<u8> for &SharedDelay {
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fn delay_us(&mut self, us: u8) {
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self.inner.borrow_mut().delay_us(us as u32);
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}
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}
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