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HUB75 example using lcd_cam #1684

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HUB75 example using lcd_cam #1684

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5a6300f
lcd_cam: add pin invert option to i8080
liebman Jun 15, 2024
568d727
update changelog
liebman Jun 15, 2024
719d5b0
examples: added example using i8080 on esp32s3 to drive a hub75 led m…
liebman Jun 18, 2024
e9f366e
hub75_i8080: make a nicer gradient
liebman Jun 18, 2024
4faeca0
hub75_i8080: print core0 stack size at startup
liebman Jun 19, 2024
d72a4c4
hub75_i8080: fmt
liebman Jun 19, 2024
34b78b8
examples: hub75_i8080: fix for DMA changes
liebman Jul 6, 2024
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1 change: 1 addition & 0 deletions esp-hal/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
- uart: Constructors now require TX and RX pins (#1592)
- uart: Added `Uart::new_with_default_pins` constructor (#1592)
- uart: Added `UartTx` and `UartRx` constructors (#1592)
- lcd_cam: added optional pin inversion (#1684)
- Add Flex / AnyFlex GPIO pin driver (#1659)
- Add new `DmaError::UnsupportedMemoryRegion` - used memory regions are checked when preparing a transfer now (#1670)
- Add DmaTransactionTxOwned, DmaTransactionRxOwned, DmaTransactionTxRxOwned, functions to do owning transfers added to SPI half-duplex (#1672)
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133 changes: 55 additions & 78 deletions esp-hal/src/lcd_cam/lcd/i8080.rs
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Expand Up @@ -545,6 +545,23 @@ impl<T> From<T> for Command<T> {
}
}

// macro to configure pins including options (currently inverting pins)
macro_rules! configure_pin {
($self:ident, $bit:stmt) => {
paste::item!(
$self.[< pin_ $bit >].set_to_push_pull_output(crate::private::Internal);
$self.[< pin_ $bit >].connect_peripheral_to_output_with_options(
OutputSignal::[< LCD_DATA_ $bit >],
$self.invert_bits & (1 << $bit) != 0,
false,
false,
false,
crate::private::Internal,
);
)
};
}

pub struct TxEightBits<'d, P0, P1, P2, P3, P4, P5, P6, P7> {
pin_0: PeripheralRef<'d, P0>,
pin_1: PeripheralRef<'d, P1>,
Expand All @@ -554,6 +571,7 @@ pub struct TxEightBits<'d, P0, P1, P2, P3, P4, P5, P6, P7> {
pin_5: PeripheralRef<'d, P5>,
pin_6: PeripheralRef<'d, P6>,
pin_7: PeripheralRef<'d, P7>,
invert_bits: u8,
}

impl<'d, P0, P1, P2, P3, P4, P5, P6, P7> TxEightBits<'d, P0, P1, P2, P3, P4, P5, P6, P7>
Expand Down Expand Up @@ -596,8 +614,14 @@ where
pin_5,
pin_6,
pin_7,
invert_bits: 0,
}
}

pub fn with_inverted_bits(mut self, invert_bits: u8) -> Self {
self.invert_bits = invert_bits;
self
}
}

impl<'d, P0, P1, P2, P3, P4, P5, P6, P7> TxPins for TxEightBits<'d, P0, P1, P2, P3, P4, P5, P6, P7>
Expand All @@ -614,30 +638,14 @@ where
type Word = u8;

fn configure(&mut self) {
self.pin_0.set_to_push_pull_output(crate::private::Internal);
self.pin_0
.connect_peripheral_to_output(OutputSignal::LCD_DATA_0, crate::private::Internal);
self.pin_1.set_to_push_pull_output(crate::private::Internal);
self.pin_1
.connect_peripheral_to_output(OutputSignal::LCD_DATA_1, crate::private::Internal);
self.pin_2.set_to_push_pull_output(crate::private::Internal);
self.pin_2
.connect_peripheral_to_output(OutputSignal::LCD_DATA_2, crate::private::Internal);
self.pin_3.set_to_push_pull_output(crate::private::Internal);
self.pin_3
.connect_peripheral_to_output(OutputSignal::LCD_DATA_3, crate::private::Internal);
self.pin_4.set_to_push_pull_output(crate::private::Internal);
self.pin_4
.connect_peripheral_to_output(OutputSignal::LCD_DATA_4, crate::private::Internal);
self.pin_5.set_to_push_pull_output(crate::private::Internal);
self.pin_5
.connect_peripheral_to_output(OutputSignal::LCD_DATA_5, crate::private::Internal);
self.pin_6.set_to_push_pull_output(crate::private::Internal);
self.pin_6
.connect_peripheral_to_output(OutputSignal::LCD_DATA_6, crate::private::Internal);
self.pin_7.set_to_push_pull_output(crate::private::Internal);
self.pin_7
.connect_peripheral_to_output(OutputSignal::LCD_DATA_7, crate::private::Internal);
configure_pin!(self, 0);
configure_pin!(self, 1);
configure_pin!(self, 2);
configure_pin!(self, 3);
configure_pin!(self, 4);
configure_pin!(self, 5);
configure_pin!(self, 6);
configure_pin!(self, 7);
}
}

Expand All @@ -658,6 +666,7 @@ pub struct TxSixteenBits<'d, P0, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P
pin_13: PeripheralRef<'d, P13>,
pin_14: PeripheralRef<'d, P14>,
pin_15: PeripheralRef<'d, P15>,
invert_bits: u16,
}

impl<'d, P0, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15>
Expand Down Expand Up @@ -733,8 +742,14 @@ where
pin_13,
pin_14,
pin_15,
invert_bits: 0,
}
}

pub fn with_inverted_bits(mut self, invert_bits: u16) -> Self {
self.invert_bits = invert_bits;
self
}
}

impl<'d, P0, P1, P2, P3, P4, P5, P6, P7, P8, P9, P10, P11, P12, P13, P14, P15> TxPins
Expand All @@ -759,60 +774,22 @@ where
{
type Word = u16;
fn configure(&mut self) {
self.pin_0.set_to_push_pull_output(crate::private::Internal);
self.pin_0
.connect_peripheral_to_output(OutputSignal::LCD_DATA_0, crate::private::Internal);
self.pin_1.set_to_push_pull_output(crate::private::Internal);
self.pin_1
.connect_peripheral_to_output(OutputSignal::LCD_DATA_1, crate::private::Internal);
self.pin_2.set_to_push_pull_output(crate::private::Internal);
self.pin_2
.connect_peripheral_to_output(OutputSignal::LCD_DATA_2, crate::private::Internal);
self.pin_3.set_to_push_pull_output(crate::private::Internal);
self.pin_3
.connect_peripheral_to_output(OutputSignal::LCD_DATA_3, crate::private::Internal);
self.pin_4.set_to_push_pull_output(crate::private::Internal);
self.pin_4
.connect_peripheral_to_output(OutputSignal::LCD_DATA_4, crate::private::Internal);
self.pin_5.set_to_push_pull_output(crate::private::Internal);
self.pin_5
.connect_peripheral_to_output(OutputSignal::LCD_DATA_5, crate::private::Internal);
self.pin_6.set_to_push_pull_output(crate::private::Internal);
self.pin_6
.connect_peripheral_to_output(OutputSignal::LCD_DATA_6, crate::private::Internal);
self.pin_7.set_to_push_pull_output(crate::private::Internal);
self.pin_7
.connect_peripheral_to_output(OutputSignal::LCD_DATA_7, crate::private::Internal);
self.pin_8.set_to_push_pull_output(crate::private::Internal);
self.pin_8
.connect_peripheral_to_output(OutputSignal::LCD_DATA_8, crate::private::Internal);
self.pin_9.set_to_push_pull_output(crate::private::Internal);
self.pin_9
.connect_peripheral_to_output(OutputSignal::LCD_DATA_9, crate::private::Internal);
self.pin_10
.set_to_push_pull_output(crate::private::Internal);
self.pin_10
.connect_peripheral_to_output(OutputSignal::LCD_DATA_10, crate::private::Internal);
self.pin_11
.set_to_push_pull_output(crate::private::Internal);
self.pin_11
.connect_peripheral_to_output(OutputSignal::LCD_DATA_11, crate::private::Internal);
self.pin_12
.set_to_push_pull_output(crate::private::Internal);
self.pin_12
.connect_peripheral_to_output(OutputSignal::LCD_DATA_12, crate::private::Internal);
self.pin_13
.set_to_push_pull_output(crate::private::Internal);
self.pin_13
.connect_peripheral_to_output(OutputSignal::LCD_DATA_13, crate::private::Internal);
self.pin_14
.set_to_push_pull_output(crate::private::Internal);
self.pin_14
.connect_peripheral_to_output(OutputSignal::LCD_DATA_14, crate::private::Internal);
self.pin_15
.set_to_push_pull_output(crate::private::Internal);
self.pin_15
.connect_peripheral_to_output(OutputSignal::LCD_DATA_15, crate::private::Internal);
configure_pin!(self, 0);
configure_pin!(self, 1);
configure_pin!(self, 2);
configure_pin!(self, 3);
configure_pin!(self, 4);
configure_pin!(self, 5);
configure_pin!(self, 6);
configure_pin!(self, 7);
configure_pin!(self, 8);
configure_pin!(self, 9);
configure_pin!(self, 10);
configure_pin!(self, 11);
configure_pin!(self, 12);
configure_pin!(self, 13);
configure_pin!(self, 14);
configure_pin!(self, 15);
}
}

Expand Down
1 change: 1 addition & 0 deletions examples/Cargo.toml
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Expand Up @@ -7,6 +7,7 @@ publish = false

[dependencies]
aes = "0.8.4"
bitfield = { version = "0.15.0", optional = true }
bleps = { git = "https://github.com/bjoernQ/bleps", package = "bleps", rev = "a5148d8ae679e021b78f53fd33afb8bb35d0b62e", features = [ "macros", "async"] }
cfg-if = "1.0.0"
critical-section = "1.1.2"
Expand Down
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