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demo: Rename GENMODE_DEFAULT to GENMODE_SIGROK. 

Also, add (Doxygen) comments for the currently supported patterns that
the demo device/driver can generate.
This commit is contained in:
Uwe Hermann 2011-05-04 22:37:12 +02:00
parent e88dadd77c
commit 0d31276b05
1 changed files with 19 additions and 5 deletions
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24
hardware/demo/demo.c
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@ -36,9 +36,23 @@
/* size of chunks to send through the session bus */ /* size of chunks to send through the session bus */
#define BUFSIZE 4096 #define BUFSIZE 4096
/* Supported patterns which we can generate */
enum { enum {
GENMODE_DEFAULT, /**
* Pattern which spells "sigrok" using '0's (with '1's as "background")
* when displayed using the 'bits' output format.
*/
GENMODE_SIGROK,
/**
* Pattern which consists of (pseudo-)random values on all probes.
*/
GENMODE_RANDOM, GENMODE_RANDOM,
/**
* Pattern which consists of incrementing numbers.
* TODO: Better description.
*/
GENMODE_INC, GENMODE_INC,
}; };
@ -77,7 +91,7 @@ static const char *patternmodes[] = {
NULL, NULL,
}; };
static uint8_t genmode_default[] = { static uint8_t genmode_sigrok[] = {
0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00,
0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00,
0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00, 0x7c, 0x82, 0x82, 0x92, 0x74, 0x00, 0x00, 0x00,
@ -93,7 +107,7 @@ static GSList *device_instances = NULL;
static uint64_t cur_samplerate = SR_KHZ(200); static uint64_t cur_samplerate = SR_KHZ(200);
static uint64_t limit_samples = 0; static uint64_t limit_samples = 0;
static uint64_t limit_msec = 0; static uint64_t limit_msec = 0;
static int default_genmode = GENMODE_DEFAULT; static int default_genmode = GENMODE_SIGROK;
static GThread *my_thread; static GThread *my_thread;
static int thread_running; static int thread_running;
@ -237,9 +251,9 @@ static void samples_generator(uint8_t *buf, uint64_t size, void *data)
memset(buf, 0, size); memset(buf, 0, size);
switch (mydata->sample_generator) { switch (mydata->sample_generator) {
case GENMODE_DEFAULT: case GENMODE_SIGROK:
for (i = 0; i < size; i++) { for (i = 0; i < size; i++) {
*(buf + i) = ~(genmode_default[p] >> 1); *(buf + i) = ~(genmode_sigrok[p] >> 1);
if (++p == 64) if (++p == 64)
p = 0; p = 0;
} }