Allowing pounder to not be present

This commit is contained in:
Ryan Summers 2020-06-20 16:43:07 +02:00
parent a3f5dbeae7
commit c6859d956e
2 changed files with 75 additions and 36 deletions

View File

@ -180,7 +180,7 @@ const APP: () = {
eth_mac: ethernet::EthernetMAC,
mac_addr: net::wire::EthernetAddress,
pounder: pounder::PounderDevices<asm_delay::AsmDelay>,
pounder: Option<pounder::PounderDevices<asm_delay::AsmDelay>>,
#[init([[0.; 5]; 2])]
iir_state: [iir::IIRState; 2],
@ -376,7 +376,18 @@ const APP: () = {
fp_led_2.set_low().unwrap();
fp_led_3.set_low().unwrap();
let pounder_devices = {
// Attempt to instantiate the I2C GPIO expander on pounder.
let pounder_gpio_expander = {
let sda = gpiob.pb7.into_alternate_af4().set_open_drain();
let scl = gpiob.pb8.into_alternate_af4().set_open_drain();
let i2c1 = dp.I2C1.i2c((scl, sda), 100.khz(), &clocks);
mcp23017::MCP23017::default(i2c1)
};
// If instantiating the GPIO expander was successful, we were able to communicate with the
// IO expander and pounder is available. If the GPIO expander did not communicate with I2C,
// we will assume that pounder is not available.
let pounder_devices = if let Ok(io_expander) = pounder_gpio_expander {
let ad9959 = {
let qspi_interface = {
// Instantiate the QUADSPI pins and peripheral interface.
@ -435,13 +446,6 @@ const APP: () = {
.unwrap()
};
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 = dp.I2C1.i2c((scl, sda), 100.khz(), &clocks);
mcp23017::MCP23017::default(i2c1).unwrap()
};
let spi = {
let spi_mosi = gpiod
.pd7
@ -489,6 +493,7 @@ const APP: () = {
let adc1_in_p = gpiof.pf11.into_analog();
let adc2_in_p = gpiof.pf14.into_analog();
Some(
pounder::PounderDevices::new(
io_expander,
ad9959,
@ -498,7 +503,10 @@ const APP: () = {
adc1_in_p,
adc2_in_p,
)
.unwrap()
.unwrap(),
)
} else {
None
};
let mut eeprom_i2c = {
@ -746,23 +754,38 @@ const APP: () = {
"stabilizer/afe1/gain": (|| c.resources.afe1.get_gain()),
"stabilizer/afe2/gain": (|| c.resources.afe2.get_gain()),
"pounder/in0": (|| {
c.resources.pounder.get_input_channel_state(
pounder::Channel::In0)
match c.resources.pounder {
Some(pounder) =>
pounder.get_input_channel_state(pounder::Channel::In0),
_ => Err(pounder::Error::Access),
}
}),
"pounder/in1": (|| {
c.resources.pounder.get_input_channel_state(
pounder::Channel::In1)
match c.resources.pounder {
Some(pounder) =>
pounder.get_input_channel_state(pounder::Channel::In1),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out0": (|| {
c.resources.pounder.get_output_channel_state(
pounder::Channel::Out0)
match c.resources.pounder {
Some(pounder) =>
pounder.get_output_channel_state(pounder::Channel::Out0),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out1": (|| {
c.resources.pounder.get_output_channel_state(
pounder::Channel::Out1)
match c.resources.pounder {
Some(pounder) =>
pounder.get_output_channel_state(pounder::Channel::Out1),
_ => Err(pounder::Error::Access),
}
}),
"pounder/dds/clock": (|| {
c.resources.pounder.get_dds_clock_config()
match c.resources.pounder {
Some(pounder) => pounder.get_dds_clock_config(),
_ => Err(pounder::Error::Access),
}
})
],
@ -790,23 +813,38 @@ const APP: () = {
})
}),
"pounder/in0": pounder::ChannelState, (|state| {
c.resources.pounder.set_channel_state(pounder::Channel::In0,
state)
match c.resources.pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::In0, state),
_ => Err(pounder::Error::Access),
}
}),
"pounder/in1": pounder::ChannelState, (|state| {
c.resources.pounder.set_channel_state(pounder::Channel::In1,
state)
match c.resources.pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::In1, state),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out0": pounder::ChannelState, (|state| {
c.resources.pounder.set_channel_state(pounder::Channel::Out0,
state)
match c.resources.pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::Out0, state),
_ => Err(pounder::Error::Access),
}
}),
"pounder/out1": pounder::ChannelState, (|state| {
c.resources.pounder.set_channel_state(pounder::Channel::Out1,
state)
match c.resources.pounder {
Some(pounder) =>
pounder.set_channel_state(pounder::Channel::Out1, state),
_ => Err(pounder::Error::Access),
}
}),
"pounder/dds/clock": pounder::DdsClockConfig, (|config| {
c.resources.pounder.configure_dds_clock(config)
match c.resources.pounder {
Some(pounder) => pounder.configure_dds_clock(config),
_ => Err(pounder::Error::Access),
}
}),
"stabilizer/afe1/gain": afe::Gain, (|gain| {
Ok::<(), ()>(c.resources.afe1.set_gain(gain))

View File

@ -29,6 +29,7 @@ pub enum Error {
InvalidAddress,
InvalidChannel,
Adc,
Access,
}
#[derive(Debug, Copy, Clone)]