X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=hardware%2Fdemo%2Fdemo.c;h=8a84e8ce65a3d6b7d4f407da0107703f510eb6e2;hb=d261dbbfcc7317f2fd9aa9c08473dc4a7b6b2b30;hp=356a9bca5d6c8e4444e8eb3df085bdadb393431f;hpb=c03ed397330b031fa5f63a5dd548e05c2c2d6923;p=libsigrok.git diff --git a/hardware/demo/demo.c b/hardware/demo/demo.c index 356a9bca..8a84e8ce 100644 --- a/hardware/demo/demo.c +++ b/hardware/demo/demo.c @@ -22,14 +22,13 @@ #include #include #include -#include -#include #ifdef _WIN32 #include #include #define pipe(fds) _pipe(fds, 4096, _O_BINARY) #endif -#include "config.h" +#include "sigrok.h" +#include "sigrok-internal.h" /* TODO: Number of probes should be configurable. */ #define NUM_PROBES 8 @@ -65,20 +64,21 @@ enum { }; /* FIXME: Should not be global. */ -GIOChannel *channels[2]; +SR_PRIV GIOChannel *channels[2]; struct databag { int pipe_fds[2]; uint8_t sample_generator; uint8_t thread_running; uint64_t samples_counter; - int device_index; - gpointer session_device_id; + int dev_index; + gpointer session_data; GTimer *timer; }; -static int capabilities[] = { +static int hwcaps[] = { SR_HWCAP_LOGIC_ANALYZER, + SR_HWCAP_DEMO_DEV, SR_HWCAP_SAMPLERATE, SR_HWCAP_PATTERN_MODE, SR_HWCAP_LIMIT_SAMPLES, @@ -102,6 +102,19 @@ static const char *pattern_strings[] = { NULL, }; +/* We name the probes 0-7 on our demo driver. */ +static const char *probe_names[NUM_PROBES + 1] = { + "0", + "1", + "2", + "3", + "4", + "5", + "6", + "7", + NULL, +}; + static uint8_t pattern_sigrok[] = { 0x4c, 0x92, 0x92, 0x92, 0x64, 0x00, 0x00, 0x00, 0x82, 0xfe, 0xfe, 0x82, 0x00, 0x00, 0x00, 0x00, @@ -113,8 +126,11 @@ static uint8_t pattern_sigrok[] = { 0xbe, 0xbe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }; -/* List of struct sr_device_instance, maintained by opendev()/closedev(). */ -static GSList *device_instances = NULL; +/* Private, per-device-instance driver context. */ +/* TODO: struct context as with the other drivers. */ + +/* List of struct sr_dev_inst, maintained by dev_open()/dev_close(). */ +static GSList *dev_insts = NULL; static uint64_t cur_samplerate = SR_KHZ(200); static uint64_t limit_samples = 0; static uint64_t limit_msec = 0; @@ -122,68 +138,72 @@ static int default_pattern = PATTERN_SIGROK; static GThread *my_thread; static int thread_running; -static void hw_stop_acquisition(int device_index, gpointer session_device_id); +static int hw_dev_acquisition_stop(int dev_index, gpointer session_data); -static int hw_init(const char *deviceinfo) +static int hw_init(const char *devinfo) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; /* Avoid compiler warnings. */ - deviceinfo = deviceinfo; + (void)devinfo; - sdi = sr_device_instance_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL); + sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, DEMONAME, NULL, NULL); if (!sdi) { - sr_err("demo: %s: sr_device_instance_new failed", __func__); + sr_err("demo: %s: sr_dev_inst_new failed", __func__); return 0; } - device_instances = g_slist_append(device_instances, sdi); + dev_insts = g_slist_append(dev_insts, sdi); return 1; } -static int hw_opendev(int device_index) +static int hw_dev_open(int dev_index) { /* Avoid compiler warnings. */ - device_index = device_index; + (void)dev_index; /* Nothing needed so far. */ return SR_OK; } -static int hw_closedev(int device_index) +static int hw_dev_close(int dev_index) { /* Avoid compiler warnings. */ - device_index = device_index; + (void)dev_index; /* Nothing needed so far. */ return SR_OK; } -static void hw_cleanup(void) +static int hw_cleanup(void) { /* Nothing needed so far. */ + return SR_OK; } -static void *hw_get_device_info(int device_index, int device_info_id) +static void *hw_dev_info_get(int dev_index, int dev_info_id) { - struct sr_device_instance *sdi; + struct sr_dev_inst *sdi; void *info = NULL; - if (!(sdi = sr_get_device_instance(device_instances, device_index))) { + if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { sr_err("demo: %s: sdi was NULL", __func__); return NULL; } - switch (device_info_id) { - case SR_DI_INSTANCE: + switch (dev_info_id) { + case SR_DI_INST: info = sdi; break; case SR_DI_NUM_PROBES: info = GINT_TO_POINTER(NUM_PROBES); break; + case SR_DI_PROBE_NAMES: + info = probe_names; + break; case SR_DI_SAMPLERATES: info = &samplerates; break; @@ -198,46 +218,46 @@ static void *hw_get_device_info(int device_index, int device_info_id) return info; } -static int hw_get_status(int device_index) +static int hw_dev_status_get(int dev_index) { /* Avoid compiler warnings. */ - device_index = device_index; + (void)dev_index; return SR_ST_ACTIVE; } -static int *hw_get_capabilities(void) +static int *hw_hwcap_get_all(void) { - return capabilities; + return hwcaps; } -static int hw_set_configuration(int device_index, int capability, void *value) +static int hw_dev_config_set(int dev_index, int hwcap, void *value) { int ret; char *stropt; /* Avoid compiler warnings. */ - device_index = device_index; + (void)dev_index; - if (capability == SR_HWCAP_PROBECONFIG) { + if (hwcap == SR_HWCAP_PROBECONFIG) { /* Nothing to do, but must be supported */ ret = SR_OK; - } else if (capability == SR_HWCAP_SAMPLERATE) { + } else if (hwcap == SR_HWCAP_SAMPLERATE) { cur_samplerate = *(uint64_t *)value; sr_dbg("demo: %s: setting samplerate to %" PRIu64, __func__, cur_samplerate); ret = SR_OK; - } else if (capability == SR_HWCAP_LIMIT_SAMPLES) { + } else if (hwcap == SR_HWCAP_LIMIT_SAMPLES) { limit_samples = *(uint64_t *)value; sr_dbg("demo: %s: setting limit_samples to %" PRIu64, __func__, limit_samples); ret = SR_OK; - } else if (capability == SR_HWCAP_LIMIT_MSEC) { + } else if (hwcap == SR_HWCAP_LIMIT_MSEC) { limit_msec = *(uint64_t *)value; sr_dbg("demo: %s: setting limit_msec to %" PRIu64, __func__, limit_msec); ret = SR_OK; - } else if (capability == SR_HWCAP_PATTERN_MODE) { + } else if (hwcap == SR_HWCAP_PATTERN_MODE) { stropt = value; ret = SR_OK; if (!strcmp(stropt, "sigrok")) { @@ -288,12 +308,10 @@ static void samples_generator(uint8_t *buf, uint64_t size, void *data) *(buf + i) = i; break; case PATTERN_ALL_LOW: /* All probes are low */ - for (i = 0; i < size; i++) - *(buf + i) = 0x00; + memset(buf, 0x00, size); break; case PATTERN_ALL_HIGH: /* All probes are high */ - for (i = 0; i < size; i++) - *(buf + i) = 0xff; + memset(buf, 0xff, size); break; default: /* TODO: Error handling. */ @@ -350,15 +368,17 @@ static void thread_func(void *data) } /* Callback handling data */ -static int receive_data(int fd, int revents, void *user_data) +static int receive_data(int fd, int revents, void *session_data) { struct sr_datafeed_packet packet; - char c[BUFSIZE]; + struct sr_datafeed_logic logic; + static uint64_t samples_received = 0; + unsigned char c[BUFSIZE]; gsize z; /* Avoid compiler warnings. */ - fd = fd; - revents = revents; + (void)fd; + (void)revents; do { g_io_channel_read_chars(channels[0], @@ -366,10 +386,12 @@ static int receive_data(int fd, int revents, void *user_data) if (z > 0) { packet.type = SR_DF_LOGIC; - packet.length = z; - packet.unitsize = 1; - packet.payload = c; - sr_session_bus(user_data, &packet); + packet.payload = &logic; + logic.length = z; + logic.unitsize = 1; + logic.data = c; + sr_session_bus(session_data, &packet); + samples_received += z; } } while (z > 0); @@ -379,7 +401,7 @@ static int receive_data(int fd, int revents, void *user_data) /* Send last packet. */ packet.type = SR_DF_END; - sr_session_bus(user_data, &packet); + sr_session_bus(session_data, &packet); return FALSE; } @@ -387,7 +409,7 @@ static int receive_data(int fd, int revents, void *user_data) return TRUE; } -static int hw_start_acquisition(int device_index, gpointer session_device_id) +static int hw_dev_acquisition_start(int dev_index, gpointer session_data) { struct sr_datafeed_packet *packet; struct sr_datafeed_header *header; @@ -400,8 +422,8 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) } mydata->sample_generator = default_pattern; - mydata->session_device_id = session_device_id; - mydata->device_index = device_index; + mydata->session_data = session_data; + mydata->dev_index = dev_index; mydata->samples_counter = 0; if (pipe(mydata->pipe_fds)) { @@ -422,7 +444,7 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) g_io_channel_set_buffered(channels[1], FALSE); sr_source_add(mydata->pipe_fds[0], G_IO_IN | G_IO_ERR, 40, - receive_data, session_device_id); + receive_data, session_data); /* Run the demo thread. */ g_thread_init(NULL); @@ -447,43 +469,42 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id) } packet->type = SR_DF_HEADER; - packet->length = sizeof(struct sr_datafeed_header); - packet->payload = (unsigned char *)header; + packet->payload = header; header->feed_version = 1; gettimeofday(&header->starttime, NULL); header->samplerate = cur_samplerate; - header->protocol_id = SR_PROTO_RAW; header->num_logic_probes = NUM_PROBES; - header->num_analog_probes = 0; - sr_session_bus(session_device_id, packet); + sr_session_bus(session_data, packet); g_free(header); g_free(packet); return SR_OK; } -static void hw_stop_acquisition(int device_index, gpointer session_device_id) +static int hw_dev_acquisition_stop(int dev_index, gpointer session_data) { /* Avoid compiler warnings. */ - device_index = device_index; - session_device_id = session_device_id; + (void)dev_index; + (void)session_data; /* Stop generate thread. */ thread_running = 0; + + return SR_OK; } -struct sr_device_plugin demo_plugin_info = { +SR_PRIV struct sr_dev_plugin demo_plugin_info = { .name = "demo", .longname = "Demo driver and pattern generator", .api_version = 1, .init = hw_init, .cleanup = hw_cleanup, - .opendev = hw_opendev, - .closedev = hw_closedev, - .get_device_info = hw_get_device_info, - .get_status = hw_get_status, - .get_capabilities = hw_get_capabilities, - .set_configuration = hw_set_configuration, - .start_acquisition = hw_start_acquisition, - .stop_acquisition = hw_stop_acquisition, + .dev_open = hw_dev_open, + .dev_close = hw_dev_close, + .dev_info_get = hw_dev_info_get, + .dev_status_get = hw_dev_status_get, + .hwcap_get_all = hw_hwcap_get_all, + .dev_config_set = hw_dev_config_set, + .dev_acquisition_start = hw_dev_acquisition_start, + .dev_acquisition_stop = hw_dev_acquisition_stop, };