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switch to struct for callback

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Steve Markgraf 2025-02-14 22:17:09 +01:00
parent 1fbd15eedc
commit 83342ad691
5 changed files with 31 additions and 6 deletions
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10
include/hsdaoh.h
View file

@ -34,6 +34,14 @@ extern "C" {
#include <stdbool.h>
#include <hsdaoh_export.h>
typedef struct hsdaoh_data_info {
void *ctx;
unsigned char *buf;
uint32_t len; /* buffer length */
uint16_t stream_id;
bool device_error; /* device error happened, terminate application */
} hsdaoh_data_info_t;
typedef struct hsdaoh_dev hsdaoh_dev_t;
HSDAOH_API uint32_t hsdaoh_get_device_count(void);
@ -89,7 +97,7 @@ HSDAOH_API int hsdaoh_get_usb_strings(hsdaoh_dev_t *dev, char *manufact,
/* streaming functions */
typedef void(*hsdaoh_read_cb_t)(unsigned char *buf, uint32_t len, void *ctx);
typedef void(*hsdaoh_read_cb_t)(hsdaoh_data_info_t *data_info);
/*!
* Start streaming data from the device.

5
src/hsdaoh_file.c
View file

@ -75,8 +75,11 @@ static void sighandler(int signum)
}
#endif
static void hsdaoh_callback(unsigned char *buf, uint32_t len, void *ctx)
void hsdaoh_callback(hsdaoh_data_info_t *data_info)
{
unsigned char *buf = data_info->buf;
uint32_t len = data_info->len;
void *ctx = data_info->ctx;
size_t nbytes = 0;
if (ctx) {

6
src/hsdaoh_tcp.c
View file

@ -147,8 +147,12 @@ static void sighandler(int signum)
}
#endif
void hsdaoh_callback(unsigned char *buf, uint32_t len, void *ctx)
void hsdaoh_callback(hsdaoh_data_info_t *data_info)
{
unsigned char *buf = data_info->buf;
uint32_t len = data_info->len;
void *ctx = data_info->ctx;
if(!do_exit) {
struct llist *rpt = (struct llist*)malloc(sizeof(struct llist));
rpt->data = (char*)malloc(len);

6
src/hsdaoh_test.c
View file

@ -222,8 +222,12 @@ static void ppm_test(uint32_t len)
uint16_t last_value = 0;
static void hsdaoh_callback(unsigned char *buf, uint32_t len, void *ctx)
static void hsdaoh_callback(hsdaoh_data_info_t *data_info)
{
unsigned char *buf = data_info->buf;
uint32_t len = data_info->len;
void *ctx = data_info->ctx;
/* verify the counter value */
uint16_t *cnt = (uint16_t *)buf;
int n = len / sizeof(uint16_t);

10
src/libhsdaoh.c
View file

@ -601,7 +601,6 @@ void hsdaoh_process_frame(hsdaoh_dev_t *dev, uint8_t *data, int size)
dev->in_order_cnt++;
dev->last_frame_cnt = meta.framecounter;
int frame_errors = 0;
for (unsigned int i = 0; i < dev->height; i++) {
@ -610,6 +609,7 @@ void hsdaoh_process_frame(hsdaoh_dev_t *dev, uint8_t *data, int size)
/* extract number of payload words from reserved field at end of line */
uint16_t payload_len = le16toh(((uint16_t *)line_dat)[dev->width - 1]);
uint16_t crc = le16toh(((uint16_t *)line_dat)[dev->width - 2]);
uint16_t stream_id = le16toh(((uint16_t *)line_dat)[dev->width - 3]);
/* we only use 12 bits, the upper 4 bits are reserved for the metadata */
payload_len &= 0x0fff;
@ -641,8 +641,14 @@ void hsdaoh_process_frame(hsdaoh_dev_t *dev, uint8_t *data, int size)
frame_payload_bytes += payload_len * sizeof(uint16_t);
}
hsdaoh_data_info_t data_info;
data_info.stream_id = 0;
data_info.buf = (uint8_t *)data;
data_info.len = frame_payload_bytes;
data_info.ctx = dev->cb_ctx;
if (dev->cb && dev->stream_synced)
dev->cb(data, frame_payload_bytes, dev->cb_ctx);
dev->cb(&data_info);
if (frame_errors && dev->stream_synced) {
fprintf(stderr,"%d frame errors, %d frames since last error\n", frame_errors, dev->frames_since_error);