fix psram (esp32)

oi

Author: playfulFence

esp-hal/src/psram/esp32.rs

@@ -1001,7 +1001,18 @@ pub(crate) mod utils {
 
  fn configure_gpio(gpio: u8, field: Field, bits: u8) {
  unsafe {
- let ptr = crate::gpio::io_mux_reg(gpio);
+ // pins 6-11 should not be exposed to the user, so we access them directly to
+ // configure the gpios for PSRAM
+ let ptr = match gpio {
+ 6 => crate::peripherals::IO_MUX::regs().gpio6(),
+ 7 => crate::peripherals::IO_MUX::regs().gpio7(),
+ 8 => crate::peripherals::IO_MUX::regs().gpio8(),
+ 9 => crate::peripherals::IO_MUX::regs().gpio9(),
+ 10 => crate::peripherals::IO_MUX::regs().gpio10(),
+ 11 => crate::peripherals::IO_MUX::regs().gpio11(),
+ _ => crate::gpio::io_mux_reg(gpio),
+ };
+
  ptr.modify(|_, w| apply_to_field!(w, field, bits));
  }
  }