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mmap-gpio: remove deprecated mmapped gpio function calls

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The memory mapped GPIO function calls have been deprecated and in turn removed from the UPM libraries. MRAA now provides the best/fastest GPIO access possible based on the selected platform/pin automatically.

Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Mihai Tudor Panu 2018-09-04 07:53:16 -07:00
parent 6ae7e9125b
commit 62f84dcc47
9 changed files with 2 additions and 45 deletions
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1
src/groveultrasonic/groveultrasonic.cxx
View File

@ -44,7 +44,6 @@ GroveUltraSonic::GroveUltraSonic (int pin) {
fprintf (stderr, "Are you sure that pin%d you requested is valid on your platform?", pin);
exit (1);
}
mraa_gpio_use_mmaped(m_pinCtx, 1);
mraa_gpio_isr (m_pinCtx, MRAA_GPIO_EDGE_BOTH,
&signalISR, this);
}

13
src/my9221/my9221.c
View File

@ -95,19 +95,6 @@ my9221_context my9221_init(int dataPin, int clockPin,
mraa_gpio_dir(dev->gpioData, MRAA_GPIO_OUT);
#if defined(UPM_PLATFORM_LINUX)
// we warn if these fail, since it may not be possible to handle
// more than one instance
if (mraa_gpio_use_mmaped(dev->gpioClk, 1))
printf("%s: Warning: mmap of Clk pin failed, correct operation "
"may be affected.\n", __FUNCTION__);
if (mraa_gpio_use_mmaped(dev->gpioData, 1))
printf("%s: Warning: mmap of Data pin failed, correct operation "
"may be affected.\n", __FUNCTION__);
#endif // UPM_PLATFORM_LINUX
my9221_set_low_intensity_value(dev, 0x00); // full off
my9221_set_high_intensity_value(dev, 0xff); // full bright

5
src/speaker/speaker.c
View File

@ -100,11 +100,6 @@ speaker_context speaker_init(int pin)
return NULL;
}
#if defined(UPM_PLATFORM_LINUX)
// Would prefer, but not fatal if not available
mraa_gpio_use_mmaped(dev->gpio, 1);
#endif // UPM_PLATFORM_LINUX
mraa_gpio_dir(dev->gpio, MRAA_GPIO_OUT);
return dev;

2
src/ssd1351/ssd1351.cxx
View File

@ -53,13 +53,11 @@ SSD1351::SSD1351 (int oc, int dc, int rst) :
": Could not initialize CS pin");
return;
}
m_oc.useMmap(true);
if (m_dc.dir(mraa::DIR_OUT) != mraa::SUCCESS) {
throw std::runtime_error(string(__FUNCTION__) +
": Could not initialize data/cmd pin");
return;
}
m_dc.useMmap(true);
if (m_rst.dir(mraa::DIR_OUT) != mraa::SUCCESS) {
throw std::runtime_error(string(__FUNCTION__) +
": Could not initialize reset pin");

3
src/stepmotor/stepmotor.cxx
View File

@ -47,7 +47,6 @@ StepMotor::StepMotor (int dirPin, int stePin, int steps, int enPin)
": Could not initialize dirPin as output");
return;
}
m_dirPinCtx.useMmap(true);
m_dirPinCtx.write(0);
if (m_stePinCtx.dir(mraa::DIR_OUT) != mraa::SUCCESS) {
@ -55,7 +54,6 @@ StepMotor::StepMotor (int dirPin, int stePin, int steps, int enPin)
": Could not initialize stePin as output");
return;
}
m_stePinCtx.useMmap(true);
m_stePinCtx.write(0);
if (enPin >= 0) {
@ -65,7 +63,6 @@ StepMotor::StepMotor (int dirPin, int stePin, int steps, int enPin)
": Could not initialize enPin as output");
return;
}
m_enPinCtx->useMmap(true);
enable(true);
}
}

1
src/sx1276/sx1276.cxx
View File

@ -80,7 +80,6 @@ SX1276::SX1276(uint8_t chipRev, int bus, int cs, int resetPin, int dio0,
m_spi.frequency(10000000); // 10Mhz, if supported
m_gpioCS.dir(mraa::DIR_OUT);
m_gpioCS.useMmap(true);
csOff();
m_gpioReset.dir(mraa::DIR_IN);

11
src/tm1637/tm1637.cxx
View File

@ -40,7 +40,7 @@ const uint8_t m_char[26] = {0x77, 0x7c, 0x39, 0x5e, 0x79,
using namespace std;
using namespace upm;
upm::TM1637::TM1637(int clk_pin, int dio_pin, int bright, M_FAST_GPIO mmio) {
upm::TM1637::TM1637(int clk_pin, int dio_pin, int bright) {
if((m_clk = mraa_gpio_init(clk_pin)) == NULL){
throw std::invalid_argument(std::string(__FUNCTION__) +
@ -61,15 +61,6 @@ upm::TM1637::TM1637(int clk_pin, int dio_pin, int bright, M_FAST_GPIO mmio) {
mraa_gpio_mode(m_clk, MRAA_GPIO_PULLUP);
mraa_gpio_mode(m_dio, MRAA_GPIO_PULLUP);
if(mmio){
if(mraa_gpio_use_mmaped(m_clk, 1) != MRAA_SUCCESS ||
mraa_gpio_use_mmaped(m_dio, 1) != MRAA_SUCCESS){
throw std::runtime_error(std::string(__FUNCTION__) +
": mraa_gpio_use_mmaped() failed");
return;
}
}
mraa_gpio_write(m_clk, 0);
mraa_gpio_write(m_dio, 0);

10
src/tm1637/tm1637.hpp
View File

@ -74,22 +74,14 @@ namespace upm
class TM1637
{
public:
/**
* Enum for the memory-mapped GPIO
*/
typedef enum {
NO = 0,
YES = 1
} M_FAST_GPIO;
/**
* TM1637 constructor
*
* @param clk_pin Clock pin the sensor is connected to
* @param dio_pin Data pin the sensor is connected to
* @param bright Initial brightness, from 0 (dark) to 7 (bright) (default is 3)
* @param mmio Fast memory-mapped GPIO writes; default is yes
*/
TM1637(int clk_pin, int dio_pin, int bright = 3, M_FAST_GPIO mmio = YES);
TM1637(int clk_pin, int dio_pin, int bright = 3);
/**
* TM1637 destructor
*/

1
src/ultrasonic/ultrasonic.cxx
View File

@ -44,7 +44,6 @@ UltraSonic::UltraSonic (int pin) {
fprintf (stderr, "Are you sure that pin%d you requested is valid on your platform?", pin);
exit (1);
}
mraa_gpio_use_mmaped(m_pinCtx, 1);
mraa_gpio_isr (m_pinCtx, MRAA_GPIO_EDGE_BOTH,
&signalISR, this);
}