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authorJérémy Zurcher <jeremy@asynk.ch>2011-02-20 02:05:15 +0100
committerJérémy Zurcher <jeremy@asynk.ch>2011-02-20 02:05:15 +0100
commitf5c2fd3e11ba970fe7f39a724761445669a2679c (patch)
tree8d74ee74233893610bf8172b40347b4c0cc09cc9 /libk8055
parent48344a71caa1689e22ee33abf3b59d8903d35cad (diff)
downloadk8055-f5c2fd3e11ba970fe7f39a724761445669a2679c.zip
k8055-f5c2fd3e11ba970fe7f39a724761445669a2679c.tar.gz
rename CurrDev => curr_dev
Diffstat (limited to 'libk8055')
-rw-r--r--libk8055/libk8055.c106
1 files changed, 53 insertions, 53 deletions
diff --git a/libk8055/libk8055.c b/libk8055/libk8055.c
index 9556294..2b1d959 100644
--- a/libk8055/libk8055.c
+++ b/libk8055/libk8055.c
@@ -129,7 +129,7 @@ struct k8055_dev {
};
static struct k8055_dev k8055d[K8055_MAX_DEV];
-static struct k8055_dev *CurrDev;
+static struct k8055_dev *curr_dev;
/* Keep these globals for now */
unsigned char *data_in, *data_out;
@@ -154,12 +154,12 @@ static int ReadK8055Data(void)
{
int read_status = 0, i = 0;
- if (CurrDev->DevNo == 0) return K8055_ERROR;
+ if (curr_dev->DevNo == 0) return K8055_ERROR;
for(i=0; i < 3; i++)
{
- read_status = usb_interrupt_read(CurrDev->device_handle, USB_INP_EP, (char *)CurrDev->data_in, PACKET_LEN, USB_TIMEOUT);
- if ((read_status == PACKET_LEN) && (CurrDev->data_in[1] == CurrDev->DevNo )) return 0;
+ read_status = usb_interrupt_read(curr_dev->device_handle, USB_INP_EP, (char *)curr_dev->data_in, PACKET_LEN, USB_TIMEOUT);
+ if ((read_status == PACKET_LEN) && (curr_dev->data_in[1] == curr_dev->DevNo )) return 0;
if (DEBUG)
fprintf(stderr, "Read retry\n");
}
@@ -171,12 +171,12 @@ static int WriteK8055Data(unsigned char cmd)
{
int write_status = 0, i = 0;
- if (CurrDev->DevNo == 0) return K8055_ERROR;
+ if (curr_dev->DevNo == 0) return K8055_ERROR;
- CurrDev->data_out[0] = cmd;
+ curr_dev->data_out[0] = cmd;
for(i=0; i < 3; i++)
{
- write_status = usb_interrupt_write(CurrDev->device_handle, USB_OUT_EP, (char *)CurrDev->data_out, PACKET_LEN, USB_TIMEOUT);
+ write_status = usb_interrupt_write(curr_dev->device_handle, USB_OUT_EP, (char *)curr_dev->data_out, PACKET_LEN, USB_TIMEOUT);
if (write_status == PACKET_LEN) return 0;
if (DEBUG)
fprintf(stderr, "Write retry\n");
@@ -254,26 +254,26 @@ int OpenDevice(long BoardAddress)
if ((dev->descriptor.idVendor == VELLEMAN_VENDOR_ID) &&
(dev->descriptor.idProduct == ipid))
{
- CurrDev = &k8055d[BoardAddress];
- CurrDev->device_handle = usb_open(dev);
+ curr_dev = &k8055d[BoardAddress];
+ curr_dev->device_handle = usb_open(dev);
if (DEBUG)
fprintf(stderr,
"Velleman Device Found @ Address %s Vendor 0x0%x Product ID 0x0%x\n",
dev->filename, dev->descriptor.idVendor,
dev->descriptor.idProduct);
- if (takeover_device(CurrDev->device_handle, 0) < 0)
+ if (takeover_device(curr_dev->device_handle, 0) < 0)
{
if (DEBUG)
fprintf(stderr,
"Can not take over the device from the OS driver\n");
- usb_close(CurrDev->device_handle); /* close usb if we fail */
+ usb_close(curr_dev->device_handle); /* close usb if we fail */
return K8055_ERROR; /* throw K8055_ERROR to show that OpenDevice failed */
}
else
{
- CurrDev->DevNo = BoardAddress + 1; /* Mark as open and valid */
+ curr_dev->DevNo = BoardAddress + 1; /* Mark as open and valid */
SetCurrentDevice(BoardAddress);
- memset(CurrDev->data_out,0,PACKET_LEN); /* Write cmd 0, read data */
+ memset(curr_dev->data_out,0,PACKET_LEN); /* Write cmd 0, read data */
WriteK8055Data(CMD_RESET);
if (ReadK8055Data() == 0)
return BoardAddress; /* This function should return board address */
@@ -294,17 +294,17 @@ int CloseDevice()
{
int rc;
- if (CurrDev->DevNo == 0)
+ if (curr_dev->DevNo == 0)
{
if (DEBUG)
fprintf(stderr, "Current device is not open\n" );
return 0;
}
- rc = usb_close(CurrDev->device_handle);
+ rc = usb_close(curr_dev->device_handle);
if (rc >= 0)
{
- CurrDev->DevNo = 0; /* Not active nay more */
- CurrDev->device_handle = NULL;
+ curr_dev->DevNo = 0; /* Not active nay more */
+ curr_dev->device_handle = NULL;
}
return rc;
}
@@ -316,9 +316,9 @@ long SetCurrentDevice(long deviceno)
{
if (k8055d[deviceno].DevNo != 0)
{
- CurrDev = &k8055d[deviceno];
- data_in = CurrDev->data_in;
- data_out = CurrDev->data_out;
+ curr_dev = &k8055d[deviceno];
+ data_in = curr_dev->data_in;
+ data_out = curr_dev->data_out;
return deviceno;
}
}
@@ -355,9 +355,9 @@ long ReadAnalogChannel(long Channel)
if ( ReadK8055Data() == 0)
{
if (Channel == 2)
- return CurrDev->data_in[ANALOG_2_OFFSET];
+ return curr_dev->data_in[ANALOG_2_OFFSET];
else
- return CurrDev->data_in[ANALOG_1_OFFSET];
+ return curr_dev->data_in[ANALOG_1_OFFSET];
}
else
return K8055_ERROR;
@@ -370,8 +370,8 @@ int ReadAllAnalog(long *data1, long *data2)
{
if (ReadK8055Data() == 0)
{
- *data1 = CurrDev->data_in[ANALOG_1_OFFSET];
- *data2 = CurrDev->data_in[ANALOG_2_OFFSET];
+ *data1 = curr_dev->data_in[ANALOG_1_OFFSET];
+ *data2 = curr_dev->data_in[ANALOG_2_OFFSET];
return 0;
}
else
@@ -383,9 +383,9 @@ int OutputAnalogChannel(long Channel, long data)
if (Channel == 1 || Channel == 2)
{
if (Channel == 2)
- CurrDev->data_out[ANALOG_2_OFFSET] = (unsigned char)data;
+ curr_dev->data_out[ANALOG_2_OFFSET] = (unsigned char)data;
else
- CurrDev->data_out[ANALOG_1_OFFSET] = (unsigned char)data;
+ curr_dev->data_out[ANALOG_1_OFFSET] = (unsigned char)data;
return WriteK8055Data(CMD_SET_ANALOG_DIGITAL);
}
@@ -395,8 +395,8 @@ int OutputAnalogChannel(long Channel, long data)
int OutputAllAnalog(long data1, long data2)
{
- CurrDev->data_out[2] = (unsigned char)data1;
- CurrDev->data_out[3] = (unsigned char)data2;
+ curr_dev->data_out[2] = (unsigned char)data1;
+ curr_dev->data_out[3] = (unsigned char)data2;
return WriteK8055Data(CMD_SET_ANALOG_DIGITAL);
}
@@ -440,7 +440,7 @@ int SetAllAnalog()
int WriteAllDigital(long data)
{
- CurrDev->data_out[1] = (unsigned char)data;
+ curr_dev->data_out[1] = (unsigned char)data;
return WriteK8055Data(CMD_SET_ANALOG_DIGITAL);
}
@@ -450,7 +450,7 @@ int ClearDigitalChannel(long Channel)
if (Channel > 0 && Channel < 9)
{
- data = CurrDev->data_out[1] & ~(1 << (Channel-1));
+ data = curr_dev->data_out[1] & ~(1 << (Channel-1));
return WriteAllDigital(data);
}
else
@@ -468,7 +468,7 @@ int SetDigitalChannel(long Channel)
if (Channel > 0 && Channel < 9)
{
- data = CurrDev->data_out[1] | (1 << (Channel-1));
+ data = curr_dev->data_out[1] | (1 << (Channel-1));
return WriteAllDigital(data);
}
else
@@ -499,9 +499,9 @@ long ReadAllDigital()
if (ReadK8055Data() == 0)
{
return_data = (
- ((CurrDev->data_in[0] >> 4) & 0x03) | /* Input 1 and 2 */
- ((CurrDev->data_in[0] << 2) & 0x04) | /* Input 3 */
- ((CurrDev->data_in[0] >> 3) & 0x18) ); /* Input 4 and 5 */
+ ((curr_dev->data_in[0] >> 4) & 0x03) | /* Input 1 and 2 */
+ ((curr_dev->data_in[0] << 2) & 0x04) | /* Input 3 */
+ ((curr_dev->data_in[0] >> 3) & 0x18) ); /* Input 4 and 5 */
return return_data;
}
else
@@ -513,13 +513,13 @@ int ReadAllValues(long int *data1, long int * data2, long int * data3, long int
if (ReadK8055Data() == 0)
{
*data1 = (
- ((CurrDev->data_in[0] >> 4) & 0x03) | /* Input 1 and 2 */
- ((CurrDev->data_in[0] << 2) & 0x04) | /* Input 3 */
- ((CurrDev->data_in[0] >> 3) & 0x18) ); /* Input 4 and 5 */
- *data2 = CurrDev->data_in[ANALOG_1_OFFSET];
- *data3 = CurrDev->data_in[ANALOG_2_OFFSET];
- *data4 = *((short int *)(&CurrDev->data_in[COUNTER_1_OFFSET]));
- *data5 = *((short int *)(&CurrDev->data_in[COUNTER_2_OFFSET]));
+ ((curr_dev->data_in[0] >> 4) & 0x03) | /* Input 1 and 2 */
+ ((curr_dev->data_in[0] << 2) & 0x04) | /* Input 3 */
+ ((curr_dev->data_in[0] >> 3) & 0x18) ); /* Input 4 and 5 */
+ *data2 = curr_dev->data_in[ANALOG_1_OFFSET];
+ *data3 = curr_dev->data_in[ANALOG_2_OFFSET];
+ *data4 = *((short int *)(&curr_dev->data_in[COUNTER_1_OFFSET]));
+ *data5 = *((short int *)(&curr_dev->data_in[COUNTER_2_OFFSET]));
return 0;
}
else
@@ -528,9 +528,9 @@ int ReadAllValues(long int *data1, long int * data2, long int * data3, long int
int SetAllValues(int DigitalData, int AdData1, int AdData2)
{
- CurrDev->data_out[1] = (unsigned char)DigitalData;
- CurrDev->data_out[2] = (unsigned char)AdData1;
- CurrDev->data_out[3] = (unsigned char)AdData2;
+ curr_dev->data_out[1] = (unsigned char)DigitalData;
+ curr_dev->data_out[2] = (unsigned char)AdData1;
+ curr_dev->data_out[3] = (unsigned char)AdData2;
return WriteK8055Data(CMD_SET_ANALOG_DIGITAL);
}
@@ -539,9 +539,9 @@ int ResetCounter(long CounterNo)
{
if (CounterNo == 1 || CounterNo == 2)
{
- CurrDev->data_out[0] = 0x02 + (unsigned char)CounterNo; /* counter selection */
- CurrDev->data_out[3 + CounterNo] = 0x00;
- return WriteK8055Data(CurrDev->data_out[0]);
+ curr_dev->data_out[0] = 0x02 + (unsigned char)CounterNo; /* counter selection */
+ curr_dev->data_out[3 + CounterNo] = 0x00;
+ return WriteK8055Data(curr_dev->data_out[0]);
}
else
return K8055_ERROR;
@@ -554,9 +554,9 @@ long ReadCounter(long CounterNo)
if (ReadK8055Data() == 0)
{
if (CounterNo == 2)
- return *((short int *)(&CurrDev->data_in[COUNTER_2_OFFSET]));
+ return *((short int *)(&curr_dev->data_in[COUNTER_2_OFFSET]));
else
- return *((short int *)(&CurrDev->data_in[COUNTER_1_OFFSET]));
+ return *((short int *)(&curr_dev->data_in[COUNTER_1_OFFSET]));
}
else
return K8055_ERROR;
@@ -571,7 +571,7 @@ int SetCounterDebounceTime(long CounterNo, long DebounceTime)
if (CounterNo == 1 || CounterNo == 2)
{
- CurrDev->data_out[0] = (unsigned char)CounterNo;
+ curr_dev->data_out[0] = (unsigned char)CounterNo;
/* the velleman k8055 use a exponetial formula to split up the
DebounceTime 0-7450 over value 1-255. I've tested every value and
found that the formula dbt=0,338*value^1,8017 is closest to
@@ -584,11 +584,11 @@ int SetCounterDebounceTime(long CounterNo, long DebounceTime)
value = sqrtf(DebounceTime / 0.115);
if (value > ((int)value + 0.49999999)) /* simple round() function) */
value += 1;
- CurrDev->data_out[5 + CounterNo] = (unsigned char)value;
+ curr_dev->data_out[5 + CounterNo] = (unsigned char)value;
if (DEBUG)
fprintf(stderr, "Debouncetime%d value for k8055:%d\n",
- (int)CounterNo, CurrDev->data_out[5 + CounterNo]);
- return WriteK8055Data(CurrDev->data_out[0]);
+ (int)CounterNo, curr_dev->data_out[5 + CounterNo]);
+ return WriteK8055Data(curr_dev->data_out[0]);
}
else
return K8055_ERROR;