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s2145: Clean up calling conventions of s2145_do_cmd()

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Instead of passing dev, endp_up, endp_down, just pass the ctx that has
everything in it already.
This commit is contained in:
Solomon Peachy 2013-08-20 20:02:10 -04:00
parent ccf8ad9e59
commit 1deb5ca1b3
1 changed files with 33 additions and 23 deletions
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56
backend_shinkos2145.c
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@ -829,16 +829,20 @@ struct s2145_getunique_resp {
uint8_t rdbuf[READBACK_LEN];
static int s2145_do_cmd(libusb_device_handle *dev,
uint8_t endp_up, uint8_t endp_down,
uint8_t *cmd, int cmdlen, int minlen, int *num)
static int s2145_do_cmd(struct shinkos2145_ctx *ctx,
uint8_t *cmd, int cmdlen,
int minlen, int *num)
{
int ret;
struct s2145_status_hdr *resp = (struct s2145_status_hdr *) rdbuf;
libusb_device_handle *dev = ctx->dev;
uint8_t endp_up = ctx->endp_up;
uint8_t endp_down = ctx->endp_down;
if ((ret = send_data(dev, endp_down,
cmd, cmdlen)))
return -99;
return (ret < 0) ? ret : -99;
ret = libusb_bulk_transfer(dev, endp_up,
rdbuf,
@ -848,7 +852,7 @@ static int s2145_do_cmd(libusb_device_handle *dev,
if (ret < 0 || (*num < minlen)) {
ERROR("Failure to receive data from printer (libusb error %d: (%d/%d from 0x%02x))\n", ret, *num, minlen, endp_up);
return ret;
return (ret < 0) ? ret : -99;
}
if (resp->result != RESULT_SUCCESS) {
@ -872,7 +876,7 @@ static int get_status(struct shinkos2145_ctx *ctx)
cmd.cmd = cpu_to_le16(S2145_CMD_STATUS);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -935,7 +939,7 @@ static int get_fwinfo(struct shinkos2145_ctx *ctx)
for (i = FWINFO_TARGET_MAIN_BOOT ; i <= FWINFO_TARGET_TABLES ; i++) {
cmd.target = i;
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -969,7 +973,7 @@ static int get_errorlog(struct shinkos2145_ctx *ctx)
cmd.cmd = cpu_to_le16(S2145_CMD_ERRORLOG);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1000,7 +1004,7 @@ static int get_mediainfo(struct shinkos2145_ctx *ctx)
cmd.cmd = cpu_to_le16(S2145_CMD_MEDIAINFO);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1032,7 +1036,7 @@ static int get_user_string(struct shinkos2145_ctx *ctx)
cmd.cmd = cpu_to_le16(S2145_CMD_GETUNIQUE);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp) - 1,
&num)) < 0) {
@ -1068,7 +1072,7 @@ static int set_user_string(struct shinkos2145_ctx *ctx, char *str)
cmd.hdr.cmd = cpu_to_le16(S2145_CMD_SETUNIQUE);
cmd.hdr.len = cpu_to_le16(cmd.len + 1);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, cmd.len + 1 + sizeof(cmd.hdr),
sizeof(*resp),
&num)) < 0) {
@ -1093,7 +1097,7 @@ static int cancel_job(struct shinkos2145_ctx *ctx, char *str)
cmd.hdr.cmd = cpu_to_le16(S2145_CMD_CANCELJOB);
cmd.hdr.len = cpu_to_le16(1);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1113,7 +1117,7 @@ static int flash_led(struct shinkos2145_ctx *ctx)
cmd.cmd = cpu_to_le16(S2145_CMD_FLASHLED);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1124,7 +1128,7 @@ static int flash_led(struct shinkos2145_ctx *ctx)
return 0;
}
static int reset_curve(struct shinkos2145_ctx *ctx, int target)
static int reset_curve(struct shinkos2145_ctx *ctx, int target)
{
struct s2145_reset_cmd cmd;
struct s2145_status_hdr *resp = (struct s2145_status_hdr *) rdbuf;
@ -1135,7 +1139,7 @@ static int reset_curve(struct shinkos2145_ctx *ctx, int target)
cmd.hdr.cmd = cpu_to_le16(S2145_CMD_RESET);
cmd.hdr.len = cpu_to_le16(1);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1146,7 +1150,7 @@ static int reset_curve(struct shinkos2145_ctx *ctx, int target)
return 0;
}
static int button_set(struct shinkos2145_ctx *ctx, int enable)
static int button_set(struct shinkos2145_ctx *ctx, int enable)
{
struct s2145_button_cmd cmd;
struct s2145_status_hdr *resp = (struct s2145_status_hdr *) rdbuf;
@ -1157,7 +1161,7 @@ static int button_set(struct shinkos2145_ctx *ctx, int enable)
cmd.enabled = enable;
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1186,7 +1190,7 @@ static int get_tonecurve(struct shinkos2145_ctx *ctx, int type, char *fname)
INFO("Dump %s Tone Curve to '%s'\n", tonecurve_statuses(type), fname);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1273,7 +1277,7 @@ static int set_tonecurve(struct shinkos2145_ctx *ctx, int target, char *fname)
data[ret] = cpu_to_le16(data[ret]);
}
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp),
&num)) < 0) {
@ -1478,7 +1482,7 @@ top:
cmd->cmd = cpu_to_le16(S2145_CMD_STATUS);
cmd->len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
cmdbuf, sizeof(*cmd),
sizeof(struct s2145_status_hdr),
&num)) < 0) {
@ -1537,7 +1541,7 @@ top:
print->mode = le32_to_cpu(ctx->hdr.mode);
print->method = le32_to_cpu(ctx->hdr.method);
if ((ret = s2145_do_cmd(ctx->dev, ctx->endp_up, ctx->endp_down,
if ((ret = s2145_do_cmd(ctx,
cmdbuf, sizeof(*print),
sizeof(struct s2145_status_hdr),
&num)) < 0) {
@ -1609,10 +1613,16 @@ static int shinkos2145_query_serno(struct libusb_device_handle *dev, uint8_t end
struct s2145_getunique_resp *resp = (struct s2145_getunique_resp*) rdbuf;
int ret, num = 0;
struct shinkos2145_ctx ctx = {
.dev = dev,
.endp_up = endp_up,
.endp_down = endp_down,
};
cmd.cmd = cpu_to_le16(S2145_CMD_GETUNIQUE);
cmd.len = cpu_to_le16(0);
if ((ret = s2145_do_cmd(dev, endp_up, endp_down,
if ((ret = s2145_do_cmd(&ctx,
(uint8_t*)&cmd, sizeof(cmd),
sizeof(*resp) - 1,
&num)) < 0) {
@ -1637,7 +1647,7 @@ static int shinkos2145_query_serno(struct libusb_device_handle *dev, uint8_t end
struct dyesub_backend shinkos2145_backend = {
.name = "Shinko/Sinfonia CHC-S2145 (S2)",
.version = "0.20",
.version = "0.21",
.uri_prefix = "shinkos2145",
.cmdline_usage = shinkos2145_cmdline,
.cmdline_arg = shinkos2145_cmdline_arg,