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Expose serial number

This commit is contained in:
KurisuD 2023-01-03 14:53:54 +09:00
parent 27b5ea9c58
commit f385cb7d80
13 changed files with 161 additions and 3 deletions
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14
DOC/src/defs/pigs.def
View File

@ -343,6 +343,7 @@ UTILITIES
H/HELP :: Display command help ::
HWVER :: Get hardware version :: gpioHardwareRevision
SERNM :: Get hardware serial number :: gpioHardwareSerialNumber
MICS v :: Microseconds delay :: gpioDelay
MILS v :: Milliseconds delay :: gpioDelay
PIGPV :: Get pigpio library version :: gpioVersion
@ -1259,6 +1260,19 @@ $ pigs hwver # On a B+
16
...
SERNM ::
This command returns the hardware serial number of the Pi.
The hardware serial number is found on the serial line of /proc/cpuinfo.
If the hardware revision can not be found or is not a valid hexadecimal
number the command returns 0.
...
$ pigs sernm
571858502
...
I2CC ::
This command closes an I2C handle [*h*] previously opened with [*I2CO*].

32
DOC/src/html/sif.html
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@ -1006,6 +1006,22 @@ uint32_t spi_flags<br></td>
<td valign="top">4*X<br></td>
<td valign="top">uint32_t pars[X]<br></td>
</tr>
<!--tr>
<td valign="top">WVCAP<br></td>
<td valign="top">118<br></td>
<td valign="top">todo<br></td>
<td valign="top">todo<br></td>
<td valign="top">todo<br></td>
<td valign="top">todo<br></td>
</tr!-->
<tr>
<td valign="top">SERNM<br></td>
<td valign="top">117<br></td>
<td valign="top">script_id<br></td>
<td valign="top">0<br></td>
<td valign="top">4*X<br></td>
<td valign="top">uint32_t pars[X]<br></td>
</tr>
</tbody>
</table>
<h3><a name="Response" id="Response"></a>Response</h3>
@ -1984,6 +2000,22 @@ uint8_t data[X]</td>
<td valign="top">0<br></td>
<td valign="top">-<br></td>
</tr>
<!--tr>
<td valign="top">WVCAP<br></td>
<td valign="top">118<br></td>
<td valign="top">-<br></td>
<td valign="top">-<br></td>
<td valign="top">wave id<br></td>
<td valign="top">-<br></td>
</tr-->
<tr>
<td valign="top">SERNM *<br></td>
<td valign="top">119<br></td>
<td valign="top">-<br></td>
<td valign="top">-<br></td>
<td valign="top">serial number<br></td>
<td valign="top">-<br></td>
</tr>
</tbody>
</table>
<code><br></code>

4
command.c
View File

@ -94,6 +94,7 @@ cmdInfo_t cmdInfo[]=
{PI_CMD_HP, "HP", 131, 0, 1}, // gpioHardwarePWM
{PI_CMD_HWVER, "HWVER", 101, 4, 1}, // gpioHardwareRevision
{PI_CMD_SERNM, "SERNM", 101, 4, 1}, // gpioHardwareSerialNumber
{PI_CMD_I2CC, "I2CC", 112, 0, 1}, // i2cClose
{PI_CMD_I2CO, "I2CO", 131, 2, 1}, // i2cOpen
@ -307,6 +308,7 @@ H/HELP Display command help\n\
HC g f Set hardware clock frequency\n\
HP g f dc Set hardware PWM frequency and dutycycle\n\
HWVER Get hardware version\n\
SERNM Get hardware serial number\n\
\n\
I2CC h Close I2C handle\n\
I2CO bus device flags | Open I2C bus and device with flags\n\
@ -671,7 +673,7 @@ int cmdParse(
case 101: /* BR1 BR2 CGI H HELP HWVER
DCRA HALT INRA NO
PIGPV POPA PUSHA RET T TICK WVBSY WVCLR
WVCRE WVGO WVGOR WVHLT WVNEW
WVCRE WVGO WVGOR WVHLT WVNEW SERNM
No parameters, always valid.
*/

2
pigpio.3
View File

@ -10733,6 +10733,8 @@ A 16-bit word value.
.br
#define PI_CMD_WVCAP 118
.br
#define PI_CMD_SERNM 119
.br
.br

37
pigpio.c
View File

@ -2097,6 +2097,8 @@ static int myDoCommand(uintptr_t *p, unsigned bufSize, char *buf)
case PI_CMD_HWVER: res = gpioHardwareRevision(); break;
case PI_CMD_SERNM: res = gpioHardwareSerialNumber(); break;
case PI_CMD_I2CC: res = i2cClose(p[1]); break;
@ -13846,6 +13848,41 @@ unsigned gpioHardwareRevision(void)
}
unsigned int gpioHardwareSerialNumber(void)
{
static unsigned serial = 0;
FILE * filp;
char buf[512];
char term;
DBG(DBG_USER, "");
if (serial) return serial;
filp = fopen ("/proc/cpuinfo", "r");
if (filp != NULL)
{
while (fgets(buf, sizeof(buf), filp) != NULL)
{
if (!strncasecmp("serial\t\t: ", buf, 10))
{
if (sscanf(buf+10, "%x%c", &serial, &term) == 2)
{
if (term != '\n') serial = 0;
}
}
}
fclose(filp);
}
DBG(DBG_USER, "serial number=%x", serial);
return serial;
}
/* ----------------------------------------------------------------------- */
int gpioCfgBufferSize(unsigned millis)

2
pigpio.h
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@ -4298,6 +4298,7 @@ for "Revision : 000f" the function returns 15.
for "Revision : 000g" the function returns 0.
D*/
unsigned int gpioHardwareSerialNumber(void);
/*F*/
unsigned gpioVersion(void);
@ -6317,6 +6318,7 @@ PARAMS*/
#define PI_CMD_PROCU 117
#define PI_CMD_WVCAP 118
#define PI_CMD_SERNM 119
/*DEF_E*/
/*

25
pigpio.py
View File

@ -317,6 +317,7 @@ UTILITIES
get_current_tick Get current tick (microseconds)
get_hardware_revision Get hardware revision
get_hardware_serial_number Get hardware serial number
get_pigpio_version Get the pigpio version
pigpio.error_text Gets error text from error number
@ -573,6 +574,7 @@ _PI_CMD_EVT =116
_PI_CMD_PROCU=117
_PI_CMD_WVCAP=118
_PI_CMD_SERNM=119
# pigpio error numbers
@ -2089,6 +2091,29 @@ class pi():
"""
return _pigpio_command(self.sl, _PI_CMD_HWVER, 0, 0)
def get_hardware_serial_number(self):
"""
Returns the Pi's hardware serial number in decimal base.
The hardware serial number is the last few characters on the
Serial line of /proc/cpuinfo.
If the hardware revision can not be found or is not a valid
hexadecimal number the function returns 0.
...
print(pi.get_hardware_serial_number())
571858502
...
To get the hexadecimal value as displayed in /proc/cpuinfo:
...
print("0x{:016x}".format(pi.get_hardware_serial_number()))
0x000000002215de46
"""
return _pigpio_command(self.sl, _PI_CMD_SERNM, 0, 0)
def get_pigpio_version(self):
"""
Returns the pigpio software version.

3
pigpiod_if.c
View File

@ -668,6 +668,9 @@ uint32_t get_current_tick(void)
uint32_t get_hardware_revision(void)
{return pigpio_command(gPigCommand, PI_CMD_HWVER, 0, 0, 1);}
uint32_t get_hardware_sernum(void)
{return pigpio_command(gPigCommand, PI_CMD_SERNM, 0, 0, 1);}
uint32_t get_pigpio_version(void)
{return pigpio_command(gPigCommand, PI_CMD_PIGPV, 0, 0, 1);}

3
pigpiod_if2.c
View File

@ -886,6 +886,9 @@ uint32_t get_current_tick(int pi)
uint32_t get_hardware_revision(int pi)
{return pigpio_command(pi, PI_CMD_HWVER, 0, 0, 1);}
uint32_t get_hardware_serial_number(int pi)
{return pigpio_command(pi, PI_CMD_SERNM, 0, 0, 1);}
uint32_t get_pigpio_version(int pi)
{return pigpio_command(pi, PI_CMD_PIGPV, 0, 0, 1);}

29
pigs.1
View File

@ -591,6 +591,9 @@ Display command help
.B HWVER
Get hardware version
.P
.B SERNM
Get hardware serial number
.P
.B MICS v
Microseconds delay
.P
@ -2255,6 +2258,32 @@ $ pigs hwver # On a B+
16
.br
.br
.IP "\fBSERNM \fP - Get hardware serial number"
.IP "" 4
This command returns the hardware serial number of the Pi.
.br
The hardware serial number is found on the serial line of /proc/cpuinfo.
.br
If the hardware serial number can not be found or is not a valid hexadecimal
number the command returns 0.
.br
\fBExample\fP
.br
.EX
$ pigs sernm
.br
571858502
.br
.EE
.br

2
x_pigpio.c
View File

@ -50,6 +50,8 @@ void t0()
printf("pigpio version %d.\n", gpioVersion());
printf("Hardware revision %d.\n", gpioHardwareRevision());
printf("Hardware serialnumber %u.\n", gpioHardwareSerialNumber());
}
void t1()

3
x_pigs
View File

@ -55,6 +55,9 @@ if [[ ${#s} = 5423 ]]; then echo "HELP ok"; else echo "HELP fail (${#s})"; fi
s=$(pigs hwver)
if [[ $s -ne 0 ]]; then echo "HWVER ok"; else echo "HWVER fail ($s)"; fi
s=$(pigs sernm)
if [[ $s -ne 0 ]]; then echo "SERNM ok"; else echo "SERNM fail ($s)"; fi
s=$(pigs mics 1000)
if [[ $s = "" ]]; then echo "MICS ok"; else echo "MICS fail ($s)"; fi

4
x_pipe
View File

@ -76,6 +76,10 @@ echo "hwver" >/dev/pigpio
read -t 1 s </dev/pigout
if [[ $s -ne 0 ]]; then echo "HWVER ok"; else echo "HWVER fail ($s)"; fi
echo "sernm" >/dev/pigpio
read -t 1 s </dev/pigout
if [[ $s -ne 0 ]]; then echo "SERNM ok"; else echo "SERNM fail ($s)"; fi
echo "mics 1000" >/dev/pigpio
read -t 1 s </dev/pigout
if [[ $s = 0 ]]; then echo "MICS ok"; else echo "MICS fail ($s)"; fi