user: What would the C source look like for the assembly code provided here?

```asm
<self_config_ad9520>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  sub    $0x68,%rsp
  mov    $0x1,%edx
  mov    %fs:0x28,%rax
  mov    %rax,0x1058(%rsp)
  xor    %eax,%eax
  lea    0xf(%rsp),%rbp
  mov    %edi,%ebx
  mov    $0x3,%edi
  mov    %rbp,%rsi
  lea    0x10(%rsp),%r12
  lea    0x68(%rsp),%r13
  call   <ad9520_read_byte@plt>
  movzbl 0xf(%rsp),%esi
  lea    D44(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movzbl 0xf(%rsp),%edi
  mov    %r12,%rsi
  call   <decode_ad9520_id@plt>
  mov    %r12,%rsi
  lea    D40(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  lea    0x50(%rsp),%rsi
  xor    %eax,%eax
  mov    $0x200,%ecx
  mov    %rsi,%rdi
  test   %ebx,%ebx
  mov    $0x1,%edx
  rep stos %rax,%es:(%rdi)
  mov    D4(%rip),%rax
  movl   $0x86,0x68(%rsp)
  lea    0x282(%rsp),%r12
  movl   $0x65656565,0x148(%rsp)
  mov    %rax,0x60(%rsp)
  mov    $0x2,%eax
  mov    %ax,0x6c(%rsp)
  mov    D16(%rip),%rax
  movl   $0x4000004,0x1e8(%rsp)
  mov    %rax,0x140(%rsp)
  mov    D15(%rip),%rax
  movb   $0x22,0x231(%rsp)
  mov    %rax,0x1e0(%rsp)
  sete   %al
  xor    %edi,%edi
  xor    %ebx,%ebx
  add    %eax,%eax
  movb   $0x22,0x50(%rsp)
  mov    %al,0x230(%rsp)
  call   <ad9520_write_byte@plt>
  mov    $0x2710,%edi
  movb   $0x0,0x50(%rsp)
  call   <usleep@plt>
  lea    0x60(%rsp),%rsi
  mov    $0xf,%edx
  mov    $0x10,%edi
  call   <ad9520_write_byte@plt>
  mov    $0xe,%edx
  mov    $0xf0,%edi
  lea    0x140(%rsp),%rsi
  call   <ad9520_write_byte@plt>
  mov    $0xc,%edx
  mov    $0x190,%edi
  lea    0x1e0(%rsp),%rsi
  call   <ad9520_write_byte@plt>
  mov    $0x2,%edx
  mov    $0x1e0,%edi
  lea    0x230(%rsp),%rsi
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    $0x230,%edi
  lea    0x280(%rsp),%rsi
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    $0x232,%edi
  movb   $0x1,0x282(%rsp)
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    $0x18,%edi
  andb   $0xfe,0x68(%rsp)
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    $0x232,%edi
  movb   $0x1,0x282(%rsp)
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    %r13,%rsi
  mov    $0x18,%edi
  orb    $0x1,0x68(%rsp)
  call   <ad9520_write_byte@plt>
  mov    $0x1,%edx
  mov    %r12,%rsi
  mov    $0x232,%edi
  movb   $0x1,0x282(%rsp)
  call   <ad9520_write_byte@plt>
  movb   $0x0,0xf(%rsp)
  jmp    L46
  nopl   0x0(%rax,%rax,1)
L18:
  cmp    $0x3e8,%ebx
  je     L57
L46:
  mov    $0x1,%edx
  mov    %rbp,%rsi
  mov    $0x1f,%edi
  add    $0x1,%ebx
  call   <ad9520_read_byte@plt>
  testb  $0x40,0xf(%rsp)
  je     L18
  cmp    $0x3e8,%ebx
  je     L57
  xor    %eax,%eax
L3:
  mov    0x1058(%rsp),%rdx
  sub    %fs:0x28,%rdx
  jne    L11
  add    $0x1068,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L57:
  lea    D46(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%eax
  jmp    L3
L11:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: label: D44
datatype: string
name: unpack_data
arguments: label: D40
datatype: string
name: unpack_data
arguments: label: D4
datatype: byte[8]
name: unpack_data
arguments: label: D16
datatype: byte[8]
name: unpack_data
arguments: label: D15
datatype: byte[8]
name: unpack_data
arguments: label: D46
datatype: string

tool: D44: AD9520 part ID: %02x = 

tool: D40: %s

tool: {"D4": [0x3c,0x01,0x00,0x10,0x17,0x00,0x04,0x04]}

tool: {"D16": [0x65,0x65,0x65,0x64,0x65,0x65,0x65,0x65]}

tool: {"D15": [0x11,0x00,0x04,0x00,0x80,0x01,0x11,0x00]}

tool: D46: Calibration timed out!

assistant: ```c
int self_config_ad9520(int speed) {
  unsigned char cache[4096];
  int i;
  unsigned char data;
  unsigned char idbuf[64];
  ad9520_read_byte(0x003, &data, 1);
  printf("AD9520 part ID: %02x = ", data);
  decode_ad9520_id(data, (char *)idbuf);
  printf("%s", idbuf);
  for (i = 0; i < 4096; i++) {
    cache[i] = 0;
  }
  cache[0x010] = 0x3c;
  cache[0x011] = 0x01;
  cache[0x012] = 0x00;
  cache[0x013] = 16;
  cache[0x014] = 23;
  cache[0x015] = 0x00;
  cache[0x016] = 0x04;
  cache[0x017] = 0x04;
  cache[0x018] = 0x86;
  cache[0x019] = 0x00;
  cache[0x01A] = 0x00;
  cache[0x01B] = 0x00;
  cache[0x01C] = 0x02;
  cache[0x01D] = 0x00;
  cache[0x01E] = 0x00;
  cache[0x0F0] = 0x65;
  cache[0x0F1] = 0x65;
  cache[0x0F2] = 0x65;
  cache[0x0F3] = 0x64;
  cache[0x0F4] = 0x65;
  cache[0x0F5] = 0x65;
  cache[0x0F6] = 0x65;
  cache[0x0F7] = 0x65;
  cache[0x0F8] = 0x65;
  cache[0x0F9] = 0x65;
  cache[0x0FA] = 0x65;
  cache[0x0FB] = 0x65;
  cache[0x0FC] = 0x00;
  cache[0x0FD] = 0x00;
  cache[0x190] = 0x11;
  cache[0x191] = 0x00;
  cache[0x192] = 0x04;
  cache[0x193] = 0x00;
  cache[0x194] = 0x80;
  cache[0x195] = 0x01;
  cache[0x196] = 0x11;
  cache[0x197] = 0x00;
  cache[0x198] = 0x04;
  cache[0x199] = 0x00;
  cache[0x19A] = 0x00;
  cache[0x19B] = 0x04;
  if (speed)
    cache[0x1E0] = 0x00;
  else
    cache[0x1E0] = 0x02;
  cache[0x1E1] = 0x22;
  cache[0x230] = 0x00;
  cache[0x232] = 0;
  do {
  } while (0);
  cache[0x000] = 0x22;
  ad9520_write_byte(0x000, &(cache[0x000]), 1);
  cache[0x000] = 0x00;
  usleep(10000);
  do {
  } while (0);
  ad9520_write_byte(0x010, &(cache[0x010]), 0x01F - 0x010);
  do {
  } while (0);
  ad9520_write_byte(0x0F0, &(cache[0x0F0]), 0x0FD - 0x0F0 + 1);
  do {
  } while (0);
  ad9520_write_byte(0x190, &(cache[0x190]), 0x19B - 0x190 + 1);
  do {
  } while (0);
  ad9520_write_byte(0x1E0, &(cache[0x1E0]), 0x1E1 - 0x1E0 + 1);
  do {
  } while (0);
  ad9520_write_byte(0x230, &(cache[0x230]), 0x230 - 0x230 + 1);
  do {
  } while (0);
  cache[0x232] = 1;
  ad9520_write_byte(0x232, &(cache[0x232]), 1);
  do {
  } while (0);
  cache[0x018] &= 0xFE;
  ad9520_write_byte(0x018, &(cache[0x018]), 1);
  cache[0x232] = 1;
  ad9520_write_byte(0x232, &(cache[0x232]), 1);
  cache[0x018] |= 0x01;
  ad9520_write_byte(0x018, &(cache[0x018]), 1);
  cache[0x232] = 1;
  ad9520_write_byte(0x232, &(cache[0x232]), 1);
  data = 0;
  i = 0;
  do {
    ad9520_read_byte(0x01F, &data, 1);
    i++;
  } while (((data & 0x40) == 0) && (i < 1000));
  if (i >= 1000) {
    printf("Calibration timed out!\n");
    return 1;
  }
  return 0;
}
```