user: 请将以下的汇编代码转换成C语言代码:

```asm
<read_temp_sensor>:
  endbr64
  push   %r12
  push   %rbp
  mov    %rdi,%rbp
  push   %rbx
  lea    0x7(%rbp),%rbx
  sub    $0x20,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x18(%rsp)
  xor    %eax,%eax
  call   <TouchReset@plt>
  mov    $0x55,%edi
  call   <TouchByte@plt>
  nopw   0x0(%rax,%rax,1)
L30:
  movzbl (%rbx),%edi
  call   <TouchByte@plt>
  mov    %rbx,%rax
  sub    $0x1,%rbx
  cmp    %rax,%rbp
  jne    L30
  mov    $0xbe,%edi
  call   <TouchByte@plt>
  mov    $0xff,%edi
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x10(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x11(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x12(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x13(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x14(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x15(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x16(%rsp)
  call   <TouchByte@plt>
  mov    $0xff,%edi
  mov    %al,0x17(%rsp)
  call   <TouchByte@plt>
  mov    %eax,%r12d
  xor    %eax,%eax
  call   <TouchReset@plt>
  movzbl 0x10(%rsp),%ebx
  shr    %bl
  cmpb   $0x0,0x11(%rsp)
  je     L3
  or     $0xffffff80,%ebx
L3:
  movsd  D16(%rip),%xmm2
  movzbl 0x17(%rsp),%eax
  movsd  %xmm2,0x8(%rsp)
  test   %al,%al
  je     L40
  movzbl 0x16(%rsp),%ecx
  mov    %eax,%edx
  pxor   %xmm0,%xmm0
  pxor   %xmm1,%xmm1
  cvtsi2ss %eax,%xmm1
  pxor   %xmm4,%xmm4
  sub    %ecx,%edx
  cvtsi2ss %edx,%xmm0
  divss  %xmm1,%xmm0
  cvtss2sd %xmm0,%xmm4
  movsd  %xmm4,0x8(%rsp)
L40:
  lea    0x10(%rsp),%rdi
  mov    $0x8,%esi
  call   <CHECKSUM@plt>
  cmp    %r12b,%al
  jne    L19
  movsbl %bl,%ebx
  pxor   %xmm0,%xmm0
  cvtsi2sd %ebx,%xmm0
  subsd  D16(%rip),%xmm0
  addsd  0x8(%rsp),%xmm0
  cvtsd2ss %xmm0,%xmm0
L12:
  mov    0x18(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L22
  add    $0x20,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  ret
  nopw   0x0(%rax,%rax,1)
L19:
  xor    %eax,%eax
  call   <global_temp_sample@plt>
  mov    $0x258,%edi
  call   <delay@plt>
  mov    %rbp,%rdi
  call   <read_temp_sensor>
  jmp    L12
L22:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: disassemble_data
arguments: data_label: D16
type_guessed: f64

tool: D16: 0.25

assistant: ```c
float read_temp_sensor(unsigned char *serialnumber) {
  int serialnumber_loop;
  unsigned char BYTE[8], CRC;
  signed char degree;
  float degree_fraction, sensor_temp_reading;
  TouchReset();
  TouchByte(0x55);
  for (serialnumber_loop = 7; serialnumber_loop >= 0; serialnumber_loop--) {
    TouchByte(serialnumber[serialnumber_loop]);
  }
  TouchByte(0xBE);
  BYTE[0] = TouchByte(0xFF);
  BYTE[1] = TouchByte(0xFF);
  BYTE[2] = TouchByte(0xFF);
  BYTE[3] = TouchByte(0xFF);
  BYTE[4] = TouchByte(0xFF);
  BYTE[5] = TouchByte(0xFF);
  BYTE[6] = TouchByte(0xFF);
  BYTE[7] = TouchByte(0xFF);
  CRC = TouchByte(0xFF);
  TouchReset();
  degree = BYTE[0] >> 1;
  if (BYTE[1] != 0) {
    degree = degree | 0x80;
  }
  if (BYTE[7] != 0) {
    degree_fraction = ((float)(BYTE[7] - BYTE[6])) / ((float)BYTE[7]);
  } else {
    degree_fraction = 0.25;
  }
  sensor_temp_reading = ((float)degree) - 0.25 + degree_fraction;
  if (CRC != CHECKSUM(BYTE, sizeof(BYTE))) {
    global_temp_sample();
    delay(600);
    sensor_temp_reading = read_temp_sensor(serialnumber);
  }
  return (sensor_temp_reading);
}
```