AP_HAL_Linux: replace kernel_cs with subdev

They are the same thing. Using both names however is confusing.
This commit is contained in:
Lucas De Marchi 2018-08-09 11:22:49 -07:00 committed by Lucas De Marchi
parent 69c3aad418
commit 4152b555fd

View File

@ -164,13 +164,13 @@ public:
void start_cb() override;
void end_cb() override;
int open(uint16_t bus_, uint16_t kernel_cs_);
bool open(uint16_t bus, uint16_t subdev);
PollerThread thread;
Semaphore sem;
int fd = -1;
uint16_t bus;
uint16_t kernel_cs;
uint16_t subdev;
uint8_t ref;
int16_t last_mode = -1;
};
@ -193,7 +193,7 @@ void SPIBus::end_cb()
}
int SPIBus::open(uint16_t bus_, uint16_t kernel_cs_)
int SPIBus::open(uint16_t bus_, uint16_t subdev_)
{
char path[sizeof("/dev/spidevXXXXX.XXXXX")];
@ -201,7 +201,7 @@ int SPIBus::open(uint16_t bus_, uint16_t kernel_cs_)
return -EBUSY;
}
snprintf(path, sizeof(path), "/dev/spidev%u.%u", bus_, kernel_cs_);
snprintf(path, sizeof(path), "/dev/spidev%u.%u", bus_, subdev_);
fd = ::open(path, O_RDWR | O_CLOEXEC);
if (fd < 0) {
AP_HAL::panic("SPI: unable to open SPI bus %s: %s",
@ -209,7 +209,7 @@ int SPIBus::open(uint16_t bus_, uint16_t kernel_cs_)
}
bus = bus_;
kernel_cs = kernel_cs_;
subdev = subdev_;
return fd;
}
@ -445,7 +445,7 @@ SPIDeviceManager::get_device(const char *name)
/* Find if bus is already open */
for (uint8_t i = 0, n = _buses.size(); i < n; i++) {
if (_buses[i]->bus == desc->bus &&
_buses[i]->kernel_cs == desc->subdev) {
_buses[i]->subdev == desc->subdev) {
return _create_device(*_buses[i], *desc);
}
}
@ -494,7 +494,7 @@ void SPIDeviceManager::_unregister(SPIBus &b)
}
for (auto it = _buses.begin(); it != _buses.end(); it++) {
if ((*it)->bus == b.bus && (*it)->kernel_cs == b.kernel_cs) {
if ((*it)->bus == b.bus && (*it)->subdev == b.subdev) {
_buses.erase(it);
delete &b;
break;