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V69+: BCM2711 PLLD 500->750 MHz Crystal 19.2->54M

This commit is contained in:
joan2937 2019-07-14 20:47:20 +01:00
parent b407ab741d
commit f660834a7a
10 changed files with 102 additions and 73 deletions
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4
command.c
View File

@ -515,9 +515,9 @@ static errInfo_t errInfo[]=
{PI_NOT_SERVO_GPIO , "GPIO is not in use for servo pulses"}, {PI_NOT_SERVO_GPIO , "GPIO is not in use for servo pulses"},
{PI_NOT_HCLK_GPIO , "GPIO has no hardware clock"}, {PI_NOT_HCLK_GPIO , "GPIO has no hardware clock"},
{PI_NOT_HPWM_GPIO , "GPIO has no hardware PWM"}, {PI_NOT_HPWM_GPIO , "GPIO has no hardware PWM"},
{PI_BAD_HPWM_FREQ , "hardware PWM frequency not 1-125M"}, {PI_BAD_HPWM_FREQ , "invalid hardware PWM frequency"},
{PI_BAD_HPWM_DUTY , "hardware PWM dutycycle not 0-1M"}, {PI_BAD_HPWM_DUTY , "hardware PWM dutycycle not 0-1M"},
{PI_BAD_HCLK_FREQ , "hardware clock frequency not 4689-250M"}, {PI_BAD_HCLK_FREQ , "invalid hardware clock frequency"},
{PI_BAD_HCLK_PASS , "need password to use hardware clock 1"}, {PI_BAD_HCLK_PASS , "need password to use hardware clock 1"},
{PI_HPWM_ILLEGAL , "illegal, PWM in use for main clock"}, {PI_HPWM_ILLEGAL , "illegal, PWM in use for main clock"},
{PI_BAD_DATABITS , "serial data bits not 1-32"}, {PI_BAD_DATABITS , "serial data bits not 1-32"},

24
pigpio.3
View File

@ -5585,7 +5585,7 @@ Frequencies above 30MHz are unlikely to work.
.EX .EX
gpio: see description gpio: see description
.br .br
clkfreq: 0 (off) or 4689-250000000 (250M) clkfreq: 0 (off) or 4689-250M (13184-375M for the BCM2711)
.br .br
.EE .EE
@ -5669,7 +5669,7 @@ main clock defaults to PCM but may be overridden by a call to
.EX .EX
gpio: see description gpio: see description
.br .br
PWMfreq: 0 (off) or 1-125000000 (125M) PWMfreq: 0 (off) or 1-125M (1-187.5M for the BCM2711)
.br .br
PWMduty: 0 (off) to 1000000 (1M)(fully on) PWMduty: 0 (off) to 1000000 (1M)(fully on)
.br .br
@ -5726,18 +5726,18 @@ The GPIO must be one of the following.
.br .br
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by PWMfreq. integral part of 250M/PWMfreq (375M/PWMfreq for the BCM2711).
.br .br
.br .br
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps for the BCM2711).
.br .br
.br .br
There will only be a million steps for a PWMfreq of 250. There will only be a million steps for a PWMfreq of 250 (375 for
Lower frequencies will have more steps and higher the BCM2711). Lower frequencies will have more steps and higher
frequencies will have fewer steps. PWMduty is frequencies will have fewer steps. PWMduty is
automatically scaled to take this into account. automatically scaled to take this into account.
@ -7978,7 +7978,7 @@ A single character, an 8 bit quantity able to store 0-255.
.br .br
.IP "\fBclkfreq\fP: 4689-250M" 0 .IP "\fBclkfreq\fP: 4689-250M (13184-375M for the BCM2711)" 0
.br .br
@ -7994,6 +7994,8 @@ PI_HW_CLK_MIN_FREQ 4689
.br .br
PI_HW_CLK_MAX_FREQ 250000000 PI_HW_CLK_MAX_FREQ 250000000
.br .br
PI_HW_CLK_MAX_FREQ_2711 375000000
.br
.EE .EE
@ -9057,7 +9059,7 @@ PI_HW_PWM_RANGE 1000000
.br .br
.IP "\fBPWMfreq\fP: 5-250K" 0 .IP "\fBPWMfreq\fP: 1-125M (1-187.5M for the BCM2711)" 0
The hardware PWM frequency. The hardware PWM frequency.
.br .br
@ -9069,6 +9071,8 @@ PI_HW_PWM_MIN_FREQ 1
.br .br
PI_HW_PWM_MAX_FREQ 125000000 PI_HW_PWM_MAX_FREQ 125000000
.br .br
PI_HW_PWM_MAX_FREQ_2711 187500000
.br
.EE .EE
@ -10263,11 +10267,11 @@ A 16-bit word value.
.br .br
#define PI_NOT_HPWM_GPIO -95 // GPIO has no hardware PWM #define PI_NOT_HPWM_GPIO -95 // GPIO has no hardware PWM
.br .br
#define PI_BAD_HPWM_FREQ -96 // hardware PWM frequency not 1-125M #define PI_BAD_HPWM_FREQ -96 // invalid hardware PWM frequency
.br .br
#define PI_BAD_HPWM_DUTY -97 // hardware PWM dutycycle not 0-1M #define PI_BAD_HPWM_DUTY -97 // hardware PWM dutycycle not 0-1M
.br .br
#define PI_BAD_HCLK_FREQ -98 // hardware clock frequency not 4689-250M #define PI_BAD_HCLK_FREQ -98 // invalid hardware clock frequency
.br .br
#define PI_BAD_HCLK_PASS -99 // need password to use hardware clock 1 #define PI_BAD_HCLK_PASS -99 // need password to use hardware clock 1
.br .br

28
pigpio.c
View File

@ -511,6 +511,7 @@ bit 0 READ_LAST_NOT_SET_ERROR
#define CLK_CTL_SRC_PLLD 6 #define CLK_CTL_SRC_PLLD 6
#define CLK_OSC_FREQ 19200000 #define CLK_OSC_FREQ 19200000
#define CLK_OSC_FREQ_2711 54000000
#define CLK_PLLD_FREQ 500000000 #define CLK_PLLD_FREQ 500000000
#define CLK_PLLD_FREQ_2711 750000000 #define CLK_PLLD_FREQ_2711 750000000
@ -1219,7 +1220,11 @@ static volatile uint32_t pi_dram_bus = 0x40000000;
static volatile uint32_t pi_mem_flag = 0x0C; static volatile uint32_t pi_mem_flag = 0x0C;
static volatile uint32_t pi_ispi = 0; static volatile uint32_t pi_ispi = 0;
static volatile uint32_t pi_is_2711 = 0; static volatile uint32_t pi_is_2711 = 0;
static volatile uint32_t clk_osc_freq = CLK_OSC_FREQ;
static volatile uint32_t clk_plld_freq = CLK_PLLD_FREQ; static volatile uint32_t clk_plld_freq = CLK_PLLD_FREQ;
static volatile uint32_t hw_pwm_max_freq = PI_HW_PWM_MAX_FREQ;
static volatile uint32_t hw_clk_min_freq = PI_HW_CLK_MIN_FREQ;
static volatile uint32_t hw_clk_max_freq = PI_HW_CLK_MAX_FREQ;
static int libInitialised = 0; static int libInitialised = 0;
@ -12668,7 +12673,7 @@ int gpioHardwareClock(unsigned gpio, unsigned frequency)
int cctl[] = {CLK_GP0_CTL, CLK_GP1_CTL, CLK_GP2_CTL}; int cctl[] = {CLK_GP0_CTL, CLK_GP1_CTL, CLK_GP2_CTL};
int cdiv[] = {CLK_GP0_DIV, CLK_GP1_DIV, CLK_GP2_DIV}; int cdiv[] = {CLK_GP0_DIV, CLK_GP1_DIV, CLK_GP2_DIV};
int csrc[CLK_SRCS] = {CLK_CTL_SRC_OSC, CLK_CTL_SRC_PLLD}; int csrc[CLK_SRCS] = {CLK_CTL_SRC_OSC, CLK_CTL_SRC_PLLD};
uint32_t cfreq[CLK_SRCS]={CLK_OSC_FREQ, clk_plld_freq}; uint32_t cfreq[CLK_SRCS]={clk_osc_freq, clk_plld_freq};
unsigned clock, mode, mash; unsigned clock, mode, mash;
int password = 0; int password = 0;
double f; double f;
@ -12688,11 +12693,12 @@ int gpioHardwareClock(unsigned gpio, unsigned frequency)
if (!clkDef[gpio]) if (!clkDef[gpio])
SOFT_ERROR(PI_NOT_HCLK_GPIO, "bad gpio for clock (%d)", gpio); SOFT_ERROR(PI_NOT_HCLK_GPIO, "bad gpio for clock (%d)", gpio);
if (((frequency < PI_HW_CLK_MIN_FREQ) || if (((frequency < hw_clk_min_freq) ||
(frequency > PI_HW_CLK_MAX_FREQ)) && (frequency > hw_clk_max_freq)) &&
(frequency)) (frequency))
SOFT_ERROR(PI_BAD_HCLK_FREQ, SOFT_ERROR(PI_BAD_HCLK_FREQ,
"bad hardware clock frequency (%d)", frequency); "bad hardware clock frequency %d-%d: (%d)",
hw_clk_min_freq, hw_clk_max_freq, frequency);
clock = (clkDef[gpio] >> 4) & 3; clock = (clkDef[gpio] >> 4) & 3;
@ -12727,7 +12733,8 @@ int gpioHardwareClock(unsigned gpio, unsigned frequency)
else else
{ {
SOFT_ERROR(PI_BAD_HCLK_FREQ, SOFT_ERROR(PI_BAD_HCLK_FREQ,
"bad hardware clock frequency (%d)", frequency); "bad hardware clock frequency %d-%d: (%d)",
hw_clk_min_freq, hw_clk_max_freq, frequency);
} }
} }
else else
@ -12766,10 +12773,12 @@ int gpioHardwarePWM(
SOFT_ERROR(PI_BAD_HPWM_DUTY, "bad PWM dutycycle (%d)", dutycycle); SOFT_ERROR(PI_BAD_HPWM_DUTY, "bad PWM dutycycle (%d)", dutycycle);
if (((frequency < PI_HW_PWM_MIN_FREQ) || if (((frequency < PI_HW_PWM_MIN_FREQ) ||
(frequency > PI_HW_PWM_MAX_FREQ)) && (frequency > hw_pwm_max_freq)) &&
(frequency)) (frequency))
SOFT_ERROR(PI_BAD_HPWM_FREQ, SOFT_ERROR(PI_BAD_HPWM_FREQ,
"bad hardware PWM frequency (%d)", frequency); "bad hardware PWM frequency %d-%d: (%d)",
PI_HW_PWM_MIN_FREQ, hw_pwm_max_freq, frequency);
if (gpioCfg.clockPeriph == PI_CLOCK_PWM) if (gpioCfg.clockPeriph == PI_CLOCK_PWM)
SOFT_ERROR(PI_HPWM_ILLEGAL, "illegal, PWM in use for main clock"); SOFT_ERROR(PI_HPWM_ILLEGAL, "illegal, PWM in use for main clock");
@ -13477,7 +13486,12 @@ unsigned gpioHardwareRevision(void)
pi_mem_flag = 0x04; pi_mem_flag = 0x04;
pi_is_2711 = 1; pi_is_2711 = 1;
pi_ispi = 1; pi_ispi = 1;
clk_osc_freq = CLK_OSC_FREQ_2711;
clk_plld_freq = CLK_PLLD_FREQ_2711; clk_plld_freq = CLK_PLLD_FREQ_2711;
hw_pwm_max_freq = PI_HW_PWM_MAX_FREQ_2711;
hw_clk_min_freq = PI_HW_CLK_MIN_FREQ_2711;
hw_clk_max_freq = PI_HW_CLK_MAX_FREQ_2711;
fclose(filp); fclose(filp);
if (!gpioMaskSet) if (!gpioMaskSet)
{ {

33
pigpio.h
View File

@ -30,7 +30,7 @@ For more information, please refer to <http://unlicense.org/>
#include <stdint.h> #include <stdint.h>
#include <pthread.h> #include <pthread.h>
#define PIGPIO_VERSION 6906 #define PIGPIO_VERSION 6909
/*TEXT /*TEXT
@ -610,13 +610,16 @@ typedef void *(gpioThreadFunc_t) (void *);
/* hardware PWM */ /* hardware PWM */
#define PI_HW_PWM_MIN_FREQ 1 #define PI_HW_PWM_MIN_FREQ 1
#define PI_HW_PWM_MAX_FREQ 125000000 #define PI_HW_PWM_MAX_FREQ 125000000
#define PI_HW_PWM_MAX_FREQ_2711 187500000
#define PI_HW_PWM_RANGE 1000000 #define PI_HW_PWM_RANGE 1000000
/* hardware clock */ /* hardware clock */
#define PI_HW_CLK_MIN_FREQ 4689 #define PI_HW_CLK_MIN_FREQ 4689
#define PI_HW_CLK_MAX_FREQ 250000000 #define PI_HW_CLK_MIN_FREQ_2711 13184
#define PI_HW_CLK_MAX_FREQ 250000000
#define PI_HW_CLK_MAX_FREQ_2711 375000000
#define PI_NOTIFY_SLOTS 32 #define PI_NOTIFY_SLOTS 32
@ -3982,7 +3985,7 @@ Frequencies above 30MHz are unlikely to work.
. . . .
gpio: see description gpio: see description
clkfreq: 0 (off) or 4689-250000000 (250M) clkfreq: 0 (off) or 4689-250M (13184-375M for the BCM2711)
. . . .
Returns 0 if OK, otherwise PI_BAD_GPIO, PI_NOT_HCLK_GPIO, Returns 0 if OK, otherwise PI_BAD_GPIO, PI_NOT_HCLK_GPIO,
@ -4027,7 +4030,7 @@ main clock defaults to PCM but may be overridden by a call to
. . . .
gpio: see description gpio: see description
PWMfreq: 0 (off) or 1-125000000 (125M) PWMfreq: 0 (off) or 1-125M (1-187.5M for the BCM2711)
PWMduty: 0 (off) to 1000000 (1M)(fully on) PWMduty: 0 (off) to 1000000 (1M)(fully on)
. . . .
@ -4054,12 +4057,12 @@ The GPIO must be one of the following.
. . . .
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by PWMfreq. integral part of 250M/PWMfreq (375M/PWMfreq for the BCM2711).
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps for the BCM2711).
There will only be a million steps for a PWMfreq of 250. There will only be a million steps for a PWMfreq of 250 (375 for
Lower frequencies will have more steps and higher the BCM2711). Lower frequencies will have more steps and higher
frequencies will have fewer steps. PWMduty is frequencies will have fewer steps. PWMduty is
automatically scaled to take this into account. automatically scaled to take this into account.
D*/ D*/
@ -5312,13 +5315,14 @@ char::
A single character, an 8 bit quantity able to store 0-255. A single character, an 8 bit quantity able to store 0-255.
clkfreq::4689-250M clkfreq::4689-250M (13184-375M for the BCM2711)
The hardware clock frequency. The hardware clock frequency.
. . . .
PI_HW_CLK_MIN_FREQ 4689 PI_HW_CLK_MIN_FREQ 4689
PI_HW_CLK_MAX_FREQ 250000000 PI_HW_CLK_MAX_FREQ 250000000
PI_HW_CLK_MAX_FREQ_2711 375000000
. . . .
count:: count::
@ -5770,12 +5774,13 @@ The hardware PWM dutycycle.
PI_HW_PWM_RANGE 1000000 PI_HW_PWM_RANGE 1000000
. . . .
PWMfreq::5-250K PWMfreq::1-125M (1-187.5M for the BCM2711)
The hardware PWM frequency. The hardware PWM frequency.
. . . .
PI_HW_PWM_MIN_FREQ 1 PI_HW_PWM_MIN_FREQ 1
PI_HW_PWM_MAX_FREQ 125000000 PI_HW_PWM_MAX_FREQ 125000000
PI_HW_PWM_MAX_FREQ_2711 187500000
. . . .
range::25-40000 range::25-40000
@ -6379,9 +6384,9 @@ after this command is issued.
#define PI_NOT_SERVO_GPIO -93 // GPIO is not in use for servo pulses #define PI_NOT_SERVO_GPIO -93 // GPIO is not in use for servo pulses
#define PI_NOT_HCLK_GPIO -94 // GPIO has no hardware clock #define PI_NOT_HCLK_GPIO -94 // GPIO has no hardware clock
#define PI_NOT_HPWM_GPIO -95 // GPIO has no hardware PWM #define PI_NOT_HPWM_GPIO -95 // GPIO has no hardware PWM
#define PI_BAD_HPWM_FREQ -96 // hardware PWM frequency not 1-125M #define PI_BAD_HPWM_FREQ -96 // invalid hardware PWM frequency
#define PI_BAD_HPWM_DUTY -97 // hardware PWM dutycycle not 0-1M #define PI_BAD_HPWM_DUTY -97 // hardware PWM dutycycle not 0-1M
#define PI_BAD_HCLK_FREQ -98 // hardware clock frequency not 4689-250M #define PI_BAD_HCLK_FREQ -98 // invalid hardware clock frequency
#define PI_BAD_HCLK_PASS -99 // need password to use hardware clock 1 #define PI_BAD_HCLK_PASS -99 // need password to use hardware clock 1
#define PI_HPWM_ILLEGAL -100 // illegal, PWM in use for main clock #define PI_HPWM_ILLEGAL -100 // illegal, PWM in use for main clock
#define PI_BAD_DATABITS -101 // serial data bits not 1-32 #define PI_BAD_DATABITS -101 // serial data bits not 1-32

29
pigpio.py
View File

@ -300,7 +300,7 @@ import threading
import os import os
import atexit import atexit
VERSION = "1.43" VERSION = "1.44"
exceptions = True exceptions = True
@ -788,9 +788,9 @@ _errors=[
[PI_NOT_SERVO_GPIO , "GPIO is not in use for servo pulses"], [PI_NOT_SERVO_GPIO , "GPIO is not in use for servo pulses"],
[PI_NOT_HCLK_GPIO , "GPIO has no hardware clock"], [PI_NOT_HCLK_GPIO , "GPIO has no hardware clock"],
[PI_NOT_HPWM_GPIO , "GPIO has no hardware PWM"], [PI_NOT_HPWM_GPIO , "GPIO has no hardware PWM"],
[PI_BAD_HPWM_FREQ , "hardware PWM frequency not 1-125M"], [PI_BAD_HPWM_FREQ , "invalid hardware PWM frequency"],
[PI_BAD_HPWM_DUTY , "hardware PWM dutycycle not 0-1M"], [PI_BAD_HPWM_DUTY , "hardware PWM dutycycle not 0-1M"],
[PI_BAD_HCLK_FREQ , "hardware clock frequency not 4689-250M"], [PI_BAD_HCLK_FREQ , "invalid hardware clock frequency"],
[PI_BAD_HCLK_PASS , "need password to use hardware clock 1"], [PI_BAD_HCLK_PASS , "need password to use hardware clock 1"],
[PI_HPWM_ILLEGAL , "illegal, PWM in use for main clock"], [PI_HPWM_ILLEGAL , "illegal, PWM in use for main clock"],
[PI_BAD_DATABITS , "serial data bits not 1-32"], [PI_BAD_DATABITS , "serial data bits not 1-32"],
@ -1909,7 +1909,7 @@ class pi():
Frequencies above 30MHz are unlikely to work. Frequencies above 30MHz are unlikely to work.
gpio:= see description gpio:= see description
clkfreq:= 0 (off) or 4689-250000000 (250M) clkfreq:= 0 (off) or 4689-250M (13184-375M for the BCM2711)
Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO, Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO,
@ -1959,7 +1959,7 @@ class pi():
pigpio daemon is started (option -t). pigpio daemon is started (option -t).
gpio:= see descripton gpio:= see descripton
PWMfreq:= 0 (off) or 1-125000000 (125M). PWMfreq:= 0 (off) or 1-125M (1-187.5M for the BCM2711).
PWMduty:= 0 (off) to 1000000 (1M)(fully on). PWMduty:= 0 (off) to 1000000 (1M)(fully on).
Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO, Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO,
@ -1985,14 +1985,15 @@ class pi():
. . . .
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by PWMfreq. integral part of 250M/PWMfreq (375M/PWMfreq for the BCM2711).
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps
for the BCM2711).
There will only be a million steps for a PWMfreq of 250. There will only be a million steps for a PWMfreq of 250
Lower frequencies will have more steps and higher (375 for the BCM2711). Lower frequencies will have more
frequencies will have fewer steps. PWMduty is steps and higher frequencies will have fewer steps.
automatically scaled to take this into account. PWMduty is automatically scaled to take this into account.
... ...
pi.hardware_PWM(18, 800, 250000) # 800Hz 25% dutycycle pi.hardware_PWM(18, 800, 250000) # 800Hz 25% dutycycle
@ -5184,7 +5185,7 @@ def xref():
byte_val: 0-255 byte_val: 0-255
A whole number. A whole number.
clkfreq: 4689-250M clkfreq: 4689-250M (13184-375M for the BCM2711)
The hardware clock frequency. The hardware clock frequency.
connected: connected:
@ -5340,6 +5341,8 @@ def xref():
PI_NOT_SPI_GPIO = -142 PI_NOT_SPI_GPIO = -142
PI_BAD_EVENT_ID = -143 PI_BAD_EVENT_ID = -143
PI_CMD_INTERRUPTED = -144 PI_CMD_INTERRUPTED = -144
PI_NOT_ON_BCM2711 = -145
PI_ONLY_ON_BCM2711 = -146
. . . .
event:0-31 event:0-31
@ -5532,7 +5535,7 @@ def xref():
PWMduty: 0-1000000 (1M) PWMduty: 0-1000000 (1M)
The hardware PWM dutycycle. The hardware PWM dutycycle.
PWMfreq: 1-125000000 (125M) PWMfreq: 1-125M (1-187.5M for the BCM2711)
The hardware PWM frequency. The hardware PWM frequency.
range_: 25-40000 range_: 25-40000

18
pigpiod_if2.3
View File

@ -1412,7 +1412,7 @@ Frequencies above 30MHz are unlikely to work.
.br .br
gpio: see description gpio: see description
.br .br
frequency: 0 (off) or 4689-250000000 (250M) frequency: 0 (off) or 4689-250M (13184-375M for the BCM2711)
.br .br
.EE .EE
@ -1498,7 +1498,7 @@ daemon is started (option -t).
.br .br
gpio: see descripton gpio: see descripton
.br .br
PWMfreq: 0 (off) or 1-125000000 (125M) PWMfreq: 0 (off) or 1-125M (1-187.5M for the BCM2711)
.br .br
PWMduty: 0 (off) to 1000000 (1M)(fully on) PWMduty: 0 (off) to 1000000 (1M)(fully on)
.br .br
@ -1556,18 +1556,18 @@ The GPIO must be one of the following.
.br .br
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by PWMfreq. integral part of 250M/PWMfreq (375M/PWMfreq for the BCM2711).
.br .br
.br .br
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps for the BCM2711).
.br .br
.br .br
There will only be a million steps for a PWMfreq of 250. There will only be a million steps for a PWMfreq of 250 (375 for
Lower frequencies will have more steps and higher the BCM2711). Lower frequencies will have more steps and higher
frequencies will have fewer steps. PWMduty is frequencies will have fewer steps. PWMduty is
automatically scaled to take this into account. automatically scaled to take this into account.
@ -6294,7 +6294,7 @@ A single character, an 8 bit quantity able to store 0-255.
.br .br
.IP "\fBclkfreq\fP: 4689-250000000 (250M)" 0 .IP "\fBclkfreq\fP: 4689-250M (13184-375M for the BCM2711)" 0
The hardware clock frequency. The hardware clock frequency.
.br .br
@ -6972,7 +6972,7 @@ The hardware PWM dutycycle.
.br .br
.IP "\fBPWMfreq\fP: 1-125000000 (125M)" 0 .IP "\fBPWMfreq\fP: 1-125M (1-187.5M for the BCM2711)" 0
The hardware PWM frequency. The hardware PWM frequency.
.br .br
@ -6984,6 +6984,8 @@ The hardware PWM frequency.
.br .br
#define PI_HW_PWM_MAX_FREQ 125000000 #define PI_HW_PWM_MAX_FREQ 125000000
.br .br
#define PI_HW_PWM_MAX_FREQ_2711 187500000
.br
.EE .EE

2
pigpiod_if2.c
View File

@ -25,7 +25,7 @@ OTHER DEALINGS IN THE SOFTWARE.
For more information, please refer to <http://unlicense.org/> For more information, please refer to <http://unlicense.org/>
*/ */
/* PIGPIOD_IF2_VERSION 14 */ /* PIGPIOD_IF2_VERSION 15 */
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>

19
pigpiod_if2.h
View File

@ -30,7 +30,7 @@ For more information, please refer to <http://unlicense.org/>
#include "pigpio.h" #include "pigpio.h"
#define PIGPIOD_IF2_VERSION 14 #define PIGPIOD_IF2_VERSION 15
/*TEXT /*TEXT
@ -1049,7 +1049,7 @@ Frequencies above 30MHz are unlikely to work.
. . . .
pi: >=0 (as returned by [*pigpio_start*]). pi: >=0 (as returned by [*pigpio_start*]).
gpio: see description gpio: see description
frequency: 0 (off) or 4689-250000000 (250M) frequency: 0 (off) or 4689-250M (13184-375M for the BCM2711)
. . . .
Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO, Returns 0 if OK, otherwise PI_NOT_PERMITTED, PI_BAD_GPIO,
@ -1096,7 +1096,7 @@ daemon is started (option -t).
. . . .
pi: >=0 (as returned by [*pigpio_start*]). pi: >=0 (as returned by [*pigpio_start*]).
gpio: see descripton gpio: see descripton
PWMfreq: 0 (off) or 1-125000000 (125M) PWMfreq: 0 (off) or 1-125M (1-187.5M for the BCM2711)
PWMduty: 0 (off) to 1000000 (1M)(fully on) PWMduty: 0 (off) to 1000000 (1M)(fully on)
. . . .
@ -1124,12 +1124,12 @@ The GPIO must be one of the following.
. . . .
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by PWMfreq. integral part of 250M/PWMfreq (375M/PWMfreq for the BCM2711).
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps for the BCM2711).
There will only be a million steps for a PWMfreq of 250. There will only be a million steps for a PWMfreq of 250 (375 for
Lower frequencies will have more steps and higher the BCM2711). Lower frequencies will have more steps and higher
frequencies will have fewer steps. PWMduty is frequencies will have fewer steps. PWMduty is
automatically scaled to take this into account. automatically scaled to take this into account.
D*/ D*/
@ -3749,7 +3749,7 @@ typedef void (*CBFuncEx_t)
char:: char::
A single character, an 8 bit quantity able to store 0-255. A single character, an 8 bit quantity able to store 0-255.
clkfreq::4689-250000000 (250M) clkfreq::4689-250M (13184-375M for the BCM2711)
The hardware clock frequency. The hardware clock frequency.
count:: count::
@ -4053,12 +4053,13 @@ The hardware PWM dutycycle.
#define PI_HW_PWM_RANGE 1000000 #define PI_HW_PWM_RANGE 1000000
. . . .
PWMfreq::1-125000000 (125M) PWMfreq::1-125M (1-187.5M for the BCM2711)
The hardware PWM frequency. The hardware PWM frequency.
. . . .
#define PI_HW_PWM_MIN_FREQ 1 #define PI_HW_PWM_MIN_FREQ 1
#define PI_HW_PWM_MAX_FREQ 125000000 #define PI_HW_PWM_MAX_FREQ 125000000
#define PI_HW_PWM_MAX_FREQ_2711 187500000
. . . .
range::25-40000 range::25-40000

16
pigs.1
View File

@ -1705,11 +1705,11 @@ $ pigs hp 19 100 200000 # 20% dutycycle
.br .br
.br .br
$ pigs hp 19 125000001 100000 $ pigs hp 19 400000000 100000
.br .br
-96 -96
.br .br
ERROR: hardware PWM frequency not 1-125M ERROR: invalid hardware PWM frequency
.br .br
.EE .EE
@ -1745,14 +1745,14 @@ The GPIO must be one of the following.
.br .br
The actual number of steps beween off and fully on is the The actual number of steps beween off and fully on is the
integral part of 250 million divided by \fBpf\fP. integral part of 250M/\fBpf\fP (375M/\fBpf\fP for the BCM2711).
.br .br
The actual frequency set is 250 million / steps. The actual frequency set is 250M/steps (375M/steps for the BCM2711).
.br .br
There will only be a million steps for a \fBpf\fP of 250. There will only be a million steps for a \fBpf\fP of 250 (375 for
Lower frequencies will have more steps and higher the BCM2711). Lower frequencies will have more steps and higher
frequencies will have fewer steps. \fBpdc\fP is frequencies will have fewer steps. \fBpdc\fP is
automatically scaled to take this into account. automatically scaled to take this into account.
@ -5125,7 +5125,7 @@ The command expects a SPI channel.
.br .br
.IP "\fBcf\fP - hardware clock frequency (4689-250M)" 0 .IP "\fBcf\fP - hardware clock frequency (4689-250M, 13184-375M for the BCM2711)" 0
The command expects a frequency. The command expects a frequency.
.br .br
@ -5408,7 +5408,7 @@ The command expects a dutycycle.
.br .br
.IP "\fBpf\fP - hardware PWM frequency (1-125M)" 0 .IP "\fBpf\fP - hardware PWM frequency (1-125M, 1-187.5M for the BCM2711)" 0
The command expects a frequency. The command expects a frequency.
.br .br

2
setup.py
View File

@ -3,7 +3,7 @@
from distutils.core import setup from distutils.core import setup
setup(name='pigpio', setup(name='pigpio',
version='1.43', version='1.44',
author='joan', author='joan',
author_email='joan@abyz.me.uk', author_email='joan@abyz.me.uk',
maintainer='joan', maintainer='joan',