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Updating IO expander to be configured vefore AD9959

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This commit is contained in:
Ryan Summers 2021-07-21 12:21:40 +02:00
parent 8f7dcf32cb
commit 30546a834f
1 changed files with 20 additions and 12 deletions
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32
src/hardware/setup.rs
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@ -769,6 +769,26 @@ pub fn setup(
delay.delay_ms(2u8);
let pounder = if pounder_pgood.is_high().unwrap() {
log::info!("Found Pounder");
let mut io_expander = {
let sda = gpiob.pb7.into_alternate_af4().set_open_drain();
let scl = gpiob.pb8.into_alternate_af4().set_open_drain();
let i2c1 = device.I2C1.i2c(
(scl, sda),
400.khz(),
ccdr.peripheral.I2C1,
&ccdr.clocks,
);
mcp23017::MCP23017::default(i2c1).unwrap()
};
// Configure power-on-default state for pounder. All LEDs are off, on-board oscillator
// selected and enabled, attenuators out of reset. Note that testing indicates the
// output state needs to be set first to properly update the output registers.
io_expander.all_pin_mode(mcp23017::PinMode::OUTPUT).unwrap();
io_expander.write_gpio(mcp23017::Port::GPIOA, 0x00).unwrap();
io_expander.write_gpio(mcp23017::Port::GPIOB, 0x2F).unwrap();
let ad9959 = {
let qspi_interface = {
// Instantiate the QUADSPI pins and peripheral interface.
@ -842,18 +862,6 @@ pub fn setup(
ad9959
};
let io_expander = {
let sda = gpiob.pb7.into_alternate_af4().set_open_drain();
let scl = gpiob.pb8.into_alternate_af4().set_open_drain();
let i2c1 = device.I2C1.i2c(
(scl, sda),
400.khz(),
ccdr.peripheral.I2C1,
&ccdr.clocks,
);
mcp23017::MCP23017::default(i2c1).unwrap()
};
let spi = {
let spi_mosi = gpiod
.pd7