dnp_ds40: Add counter clear commands.
Start implementing the spooling/backend code...
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ab770ea0d4
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4a992d9677
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@ -164,6 +164,24 @@ static char *dnpds40_statuses(char *str)
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return "Unkown type";
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}
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static int dnpds40_do_cmd(struct dnpds40_ctx *ctx,
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struct dnpds40_cmd *cmd,
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uint8_t *data, int len)
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{
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int ret;
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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(uint8_t*)cmd, sizeof(*cmd))))
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return ret;
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if (*data && len)
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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data, len)))
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return ret;
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return 0;
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}
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static uint8_t * dnpds40_resp_cmd(struct dnpds40_ctx *ctx,
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struct dnpds40_cmd *cmd,
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int *len)
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@ -175,8 +193,7 @@ static uint8_t * dnpds40_resp_cmd(struct dnpds40_ctx *ctx,
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memset(tmp, 0, sizeof(tmp));
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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(uint8_t*)cmd, sizeof(*cmd))))
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if ((ret = dnpds40_do_cmd(ctx, cmd, NULL, 0)))
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return NULL;
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/* Read in the response header */
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@ -287,6 +304,21 @@ static int dnpds40_read_parse(void *vctx, int data_fd) {
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return 2;
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}
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i = read(data_fd, ctx->databuf, sizeof(struct dnpds40_cmd));
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if (i < 0)
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return i;
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ctx->databuf += i;
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// XXX no way to figure out print job length without parsing stream
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// until we get to the plane data
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if (ctx->databuf[0] != 0x1b ||
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ctx->databuf[1] != 0x50) {
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ERROR("Unrecognized header data format!\n");
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return 1;
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}
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while((i = read(data_fd, ctx->databuf + ctx->datalen, 4096)) > 0) {
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ctx->datalen += i;
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}
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@ -297,23 +329,72 @@ static int dnpds40_read_parse(void *vctx, int data_fd) {
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static int dnpds40_main_loop(void *vctx, int copies) {
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struct dnpds40_ctx *ctx = vctx;
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int ret;
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struct dnpds40_cmd cmd;
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uint8_t *resp = NULL;
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int len = 0;
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if (!ctx)
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return 1;
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while (copies--) {
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/* Just dump the whole damn thing over */
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DEBUG("Sending %d bytes to printer\n", ctx->datalen);
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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ctx->databuf, ctx->datalen)))
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return ret;
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top:
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/* Clean up */
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if (terminate)
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copies = 1;
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if (resp) free(resp);
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INFO("Print complete (%d remaining)\n", copies);
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/* Query status */
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dnpds40_build_cmd(&cmd, "STATUS", "", 0);
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resp = dnpds40_resp_cmd(ctx, &cmd, &len);
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if (!resp)
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return -1;
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dnpds40_cleanup_string((char*)resp, len);
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/* If we're not idle */
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if (strcmp("00000", (char*)resp)) {
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if (!strcmp("00001", (char*)resp) ||
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!strcmp("00500", (char*)resp) ||
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!strcmp("00510", (char*)resp)) {
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INFO("Printer busy, retrying...\n");
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/* We're printing or cooling still.. */
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sleep(1);
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goto top;
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}
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ERROR("Printer Status: %s\n", dnpds40_statuses((char*)resp));
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return 1;
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}
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/* Query buffer state */
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dnpds40_build_cmd(&cmd, "INFO", "FREE_PBUFFER", 0);
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resp = dnpds40_resp_cmd(ctx, &cmd, &len);
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if (!resp)
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return -1;
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dnpds40_cleanup_string((char*)resp, len);
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/* We need a minumum of two buffers to be safe everywhere */
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if (!strcmp("FBP00", (char*)resp) ||
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!strcmp("FBP01", (char*)resp)) {
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/* We don't have enough buffers */
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INFO("Insufficient printer buffers, retrying...\n");
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sleep(1);
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goto top;
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}
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// XXX for now, dump the whole spool file over. Parse first?
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DEBUG("Sending %d bytes to printer\n", ctx->datalen);
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if ((ret = send_data(ctx->dev, ctx->endp_down,
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ctx->databuf, ctx->datalen)))
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return ret;
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/* Clean up */
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if (terminate)
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copies = 1;
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INFO("Print complete (%d remaining)\n", copies);
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if (copies && --copies) {
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goto top;
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}
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if (resp) free(resp);
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return 0;
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}
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@ -583,9 +664,29 @@ static int dnpds40_get_counters(struct dnpds40_ctx *ctx)
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}
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static int dnpds40_clear_counter(struct dnpds40_ctx *ctx, char counter)
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{
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struct dnpds40_cmd cmd;
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char msg[4];
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int ret;
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/* Generate command */
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dnpds40_build_cmd(&cmd, "MNT_WT", "COUNTER_CLR", 0);
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msg[0] = 'C';
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msg[1] = counter;
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msg[2] = '\r';
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msg[3] = 0;
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if ((ret = dnpds40_do_cmd(ctx, &cmd, (uint8_t*)msg, sizeof(msg))))
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return ret;
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return 0;
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}
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static void dnpds40_cmdline(char *caller)
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{
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DEBUG("\t\t%s [ -qs | -qi | -qc ]\n", caller);
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DEBUG("\t\t%s [ -cca | -ccb | -ccm \n", caller);
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}
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static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
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@ -597,7 +698,10 @@ static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
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if (!run || !ctx)
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return (!strcmp("-qs", arg1) ||
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!strcmp("-qi", arg1) ||
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!strcmp("-qc", arg1));
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!strcmp("-qc", arg1) ||
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!strcmp("-cca", arg1) ||
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!strcmp("-ccb", arg1) ||
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!strcmp("-ccm", arg1));
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if (!strcmp("-qs", arg1))
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return dnpds40_get_status(ctx);
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@ -605,6 +709,12 @@ static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
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return dnpds40_get_info(ctx);
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if (!strcmp("-qc", arg1))
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return dnpds40_get_counters(ctx);
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if (!strcmp("-cca", arg1))
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return dnpds40_clear_counter(ctx, 'A');
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if (!strcmp("-ccb", arg1))
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return dnpds40_clear_counter(ctx, 'B');
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if (!strcmp("-ccm", arg1))
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return dnpds40_clear_counter(ctx, 'M');
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return -1;
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@ -613,7 +723,7 @@ static int dnpds40_cmdline_arg(void *vctx, int run, char *arg1, char *arg2)
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/* Exported */
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struct dyesub_backend dnpds40_backend = {
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.name = "DNP DS40/DS80",
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.version = "0.08",
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.version = "0.09",
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.uri_prefix = "dnpds40",
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.cmdline_usage = dnpds40_cmdline,
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.cmdline_arg = dnpds40_cmdline_arg,
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