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Add comment warning for new users about changing pins on Ethernet for different devices

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Not all STM32H7 devices share the pins of the example. Added a warning and a specific example for STM32H747XIH
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Alejandro Nadal 2024-03-20 13:56:15 +01:00 • committed by GitHub
parent 56e01d969f
commit 47ebec82b8
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1 changed files with 11 additions and 9 deletions
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20
examples/stm32h7/src/bin/eth.rs
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@ -64,19 +64,21 @@ async fn main(spawner: Spawner) -> ! {
let mac_addr = [0x00, 0x00, 0xDE, 0xAD, 0xBE, 0xEF]; let mac_addr = [0x00, 0x00, 0xDE, 0xAD, 0xBE, 0xEF];
static PACKETS: StaticCell<PacketQueue<4, 4>> = StaticCell::new(); static PACKETS: StaticCell<PacketQueue<4, 4>> = StaticCell::new();
// warning: Not all STM32H7 devices have the exact same pins here
// for STM32H747XIH, replace p.PB13 for PG12
let device = Ethernet::new( let device = Ethernet::new(
PACKETS.init(PacketQueue::<4, 4>::new()), PACKETS.init(PacketQueue::<4, 4>::new()),
p.ETH, p.ETH,
Irqs, Irqs,
p.PA1, p.PA1, // ref_clk
p.PA2, p.PA2, // mdio
p.PC1, p.PC1, // eth_mdc
p.PA7, p.PA7, // CRS_DV: Carrier Sense
p.PC4, p.PC4, // RX_D0: Received Bit 0
p.PC5, p.PC5, // RX_D1: Received Bit 1
p.PG13, p.PG13,// TX_D0: Transmit Bit 0
p.PB13, p.PB13,// TX_D1: Transmit Bit 1
p.PG11, p.PG11,// TX_EN: Transmit Enable
GenericSMI::new(0), GenericSMI::new(0),
mac_addr, mac_addr,
); );