1 files changed, 0 insertions, 100 deletions
diff --git a/hid/pico/src/ph_ps2_phy.c b/hid/pico/src/ph_ps2_phy.c
deleted file mode 100644
index edaa165c..00000000
--- a/hid/pico/src/ph_ps2_phy.c
+++ /dev/null
@@ -1,100 +0,0 @@
-// Source: https://github.com/No0ne/ps2x2pico/blob/main/ps2phy.c
-// replace ps2phy with ph_ps2_phy
-
-#include "ph_ps2_phy.h"
-#include "ph_ps2_phy.pio.h"
-
-s8 prog = -1;
-
-u32 ph_ps2_phy_frame(u8 byte) {
-  bool parity = 1;
-  for (u8 i = 0; i < 8; i++) {
-    parity = parity ^ (byte >> i & 1);
-  }
-  return ((1 << 10) | (parity << 9) | (byte << 1)) ^ 0x7ff;
-}
-
-void ph_ps2_phy_init(ph_ps2_phy* this, PIO pio, u8 data_pin, rx_callback rx) {
-  if (prog == -1) {
-    prog = pio_add_program(pio, &ph_ps2_phy_program);
-  }
-  
-  queue_init(&this->qbytes, sizeof(u8), 9);
-  queue_init(&this->qpacks, sizeof(u8) * 9, 16);
-  
-  this->sm = pio_claim_unused_sm(pio, true);
-  ph_ps2_phy_program_init(pio, this->sm, prog, data_pin);
-  
-  this->pio = pio;
-  this->sent = 0;
-  this->rx = rx;
-  this->last_rx = 0;
-  this->last_tx = 0;
-  this->busy = 0;
-}
-
-void ph_ps2_phy_task(ph_ps2_phy* this) {
-  u8 i = 0;
-  u8 byte;
-  u8 pack[9];
-  
-  if (!queue_is_empty(&this->qbytes)) {
-    while (i < 9 && queue_try_remove(&this->qbytes, &byte)) {
-      i++;
-      pack[i] = byte;
-    }
-    
-    pack[0] = i;
-    queue_try_add(&this->qpacks, &pack);
-  }
-  
-  if (pio_interrupt_get(this->pio, this->sm)) {
-    this->busy = 1;
-  } else {
-    this->busy &= 2;
-  }
-  
-  if (pio_interrupt_get(this->pio, this->sm + 4)) {
-    this->sent--;
-    pio_interrupt_clear(this->pio, this->sm + 4);
-  }
-  
-  if (!queue_is_empty(&this->qpacks) && pio_sm_is_tx_fifo_empty(this->pio, this->sm) && !this->busy) {
-    if (queue_try_peek(&this->qpacks, &pack)) {
-      if (this->sent == pack[0]) {
-        this->sent = 0;
-        queue_try_remove(&this->qpacks, &pack);
-      } else {
-        this->sent++;
-        this->last_tx = pack[this->sent];
-        this->busy |= 2;
-        pio_sm_put(this->pio, this->sm, ph_ps2_phy_frame(this->last_tx));
-      }
-    }
-  }
-  
-  if (!pio_sm_is_rx_fifo_empty(this->pio, this->sm)) {
-    u32 fifo = pio_sm_get(this->pio, this->sm) >> 23;
-    
-    bool parity = 1;
-    for (i = 0; i < 8; i++) {
-      parity = parity ^ (fifo >> i & 1);
-    }
-    
-    if (parity != fifo >> 8) {
-      pio_sm_put(this->pio, this->sm, ph_ps2_phy_frame(0xfe));
-      return;
-    }
-    
-    if (fifo == 0xfe) {
-      pio_sm_put(this->pio, this->sm, ph_ps2_phy_frame(this->last_tx));
-      return;
-    }
-    
-    while (queue_try_remove(&this->qbytes, &byte));
-    while (queue_try_remove(&this->qpacks, &pack));
-    
-    (*this->rx)(fifo, this->last_rx);
-    this->last_rx = fifo;
-  }
-}