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hidpp10: add resolution and LED status

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2015-08-24 13:42:21 +10:00
parent 58585bfb19
commit ed320bcdea
2 changed files with 83 additions and 0 deletions
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59
src/hidpp10.c
View File

@@ -74,6 +74,11 @@ const char *device_types[0xFF] = {
[0x0A ... 0xFE] = NULL,
};
static inline uint16_t
hidpp10_get_unaligned_u16le(uint8_t *buf)
{
return (buf[1] << 8) | buf[0];
}
static int
hidpp10_write_command(struct ratbag_device *device, uint8_t *cmd, int size)
@@ -312,14 +317,68 @@ hidpp10_get_hidpp_notifications(struct ratbag_device *device, struct hidpp10_dev
return res;
}
static int
hidpp10_get_current_resolution(struct ratbag_device *device, struct hidpp10_device *dev)
{
unsigned idx = dev->index;
union hidpp10_message resolution = CMD_CURRENT_RESOLUTION(idx, GET_LONG_REGISTER_REQ);
int res;
int xres, yres;
res = hidpp10_request_command(device, &resolution);
if (res)
return res;
/* resolution is in 50dpi multiples */
xres = hidpp10_get_unaligned_u16le(&resolution.data[4]) * 50;
yres = hidpp10_get_unaligned_u16le(&resolution.data[6]) * 50;
log_debug(device->ratbag,
"Resolution is %dx%ddpi\n", xres, yres);
return 0;
}
static int
hidpp10_get_led_status(struct ratbag_device *device, struct hidpp10_device *dev)
{
unsigned idx = dev->index;
union hidpp10_message led_status = CMD_LED_STATUS(idx, GET_REGISTER_REQ);
int res;
int led[4];
res = hidpp10_request_command(device, &led_status);
if (res)
return res;
/* each led is 4-bits, 0x1 == off, 0x2 == on */
led[0] = !!(led_status.msg.parameters[0] & 0x02); /* running man logo */
led[1] = !!(led_status.msg.parameters[0] & 0x20); /* lowest */
led[2] = !!(led_status.msg.parameters[1] & 0x02); /* middle */
led[3] = !!(led_status.msg.parameters[1] & 0x20); /* highest */
log_debug(device->ratbag,
"LED status: 1:%s 2:%s 3:%s 4:%s\n",
led[0] ? "on" : "off",
led[1] ? "on" : "off",
led[2] ? "on" : "off",
led[3] ? "on" : "off");
return 0;
}
static int
hidpp10_get_device_info(struct ratbag_device *device, struct hidpp10_device *dev)
{
hidpp10_get_pairing_information(device, dev);
hidpp10_get_firmare_information(device, dev);
hidpp10_get_individual_features(device, dev);
hidpp10_get_hidpp_notifications(device, dev);
hidpp10_get_current_resolution(device, dev);
hidpp10_get_led_status(device, dev);
return 0;
}

24
src/hidpp10.h
View File

@@ -87,6 +87,10 @@
#define FIRMWARE_INFO_ITEM_HW_VERSION(MCU) ((MCU - 1) << 4 | 0x03)
#define FIRMWARE_INFO_ITEM_BOOTLOADER_VERSION(MCU) ((MCU - 1) << 4 | 0x04)
#define __CMD_LED_STATUS 0x51
#define __CMD_CURRENT_RESOLUTION 0x63
#define CMD_PAIRING_INFORMATION(idx, type) { \
.msg = { \
.report_id = REPORT_ID_SHORT, \
@@ -137,6 +141,26 @@
} \
}
#define CMD_LED_STATUS(idx, sub) { \
.msg = { \
.report_id = REPORT_ID_SHORT, \
.device_idx = idx, \
.sub_id = sub, \
.address = __CMD_LED_STATUS, \
.parameters = {0x00, 0x00, 0x00 }, \
} \
}
#define CMD_CURRENT_RESOLUTION(idx, sub) { \
.msg = { \
.report_id = REPORT_ID_SHORT, \
.device_idx = idx, \
.sub_id = sub, \
.address = __CMD_CURRENT_RESOLUTION, \
.parameters = {0x00, 0x00, 0x00 }, \
} \
}
#define ERR_SUCCESS 0x00
#define ERR_INVALID_SUBID 0x01
#define ERR_INVALID_ADDRESS 0x02