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add buncha shit to aio, fix not working after reboot, autoajust pump speed

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Drath Vader
2026-05-25 13:21:52 +00:00
parent 13e2c083cb
commit b46731a9e1
1 changed files with 55 additions and 20 deletions
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75
src/aio.c
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@@ -1,44 +1,70 @@
#include "aio.h"
#include "log.h"
#include <stdio.h>
#include <unistd.h>
static const uint16_t usb_timeout = 1000;
static const uint8_t buf_size = 32; // needs 32 bc of overflow issue on these aios?
// posts cmd to the aio, puts n bytes of response inside resp buffer
#define POST_AND_GET_RESP(cmd, n) uint8_t req = cmd; uint8_t resp[32]; aio_post(aio, &req, 1, resp, n)
#define POST_AND_GET_RESP(cmd, n) uint8_t req = cmd; uint8_t resp[buf_size]; aio_post(dev, &req, 1, resp, n)
static void aio_post(libusb_device_handle *dev, uint8_t *req, const int req_len, uint8_t *resp, const int resp_len) {
libusb_bulk_transfer(dev, 0x01, req, req_len, NULL, 1000);
libusb_bulk_transfer(dev, 0x81, resp, resp_len, NULL, 1000);
// posts 2 bytes of cmd to aio, puts n bytes of response inside resp buffer
#define POST_AND_GET_RESP2(cmd1, cmd2, n) uint8_t req[2] = {cmd1, cmd2}; uint8_t resp[buf_size]; aio_post(dev, req, 2, resp, n)
static void aio_usb_claim(libusb_device_handle* dev) {
int ret = libusb_claim_interface(dev, 0);
if (ret != 0) {
applog(LOG_ERR, "failed to claim AIO device: %s", libusb_error_name(ret));
return;
}
ret = libusb_control_transfer(dev,(LIBUSB_ENDPOINT_OUT | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE),0x02,0x02,0, NULL, 0, usb_timeout);
if (ret < 0)
applog(LOG_ERR, "AIO clear-to-send failed: %s", libusb_error_name(ret));
}
static float aio_get_water_temp(libusb_device_handle* aio) {
static void aio_usb_release(libusb_device_handle* dev) {
libusb_release_interface(dev, 0);
}
static void aio_post(libusb_device_handle *dev, uint8_t *req, const int req_len, uint8_t *resp, const int resp_len) {
libusb_bulk_transfer(dev, 0x01, req, req_len, NULL, usb_timeout);
libusb_bulk_transfer(dev, 0x81, resp, resp_len, NULL, usb_timeout);
}
static float aio_get_water_temp(libusb_device_handle* dev) {
POST_AND_GET_RESP(0xa9, 6);
return (float)resp[3] + (float)resp[4] / 10.0f;
}
static uint16_t aio_get_pump_speed(libusb_device_handle* aio) {
static uint16_t aio_get_pump_speed(libusb_device_handle* dev) {
POST_AND_GET_RESP(0x31, 5);
return resp[3] << 8 | resp[4];
}
static enum aio_pump_mode_t aio_get_pump_mode(libusb_device_handle* aio) {
static enum aio_pump_mode_t aio_get_pump_mode(libusb_device_handle* dev) {
POST_AND_GET_RESP(0x33, 4);
return (enum aio_pump_mode_t)resp[3];
}
static void aio_get_fan_speed(libusb_device_handle* aio, uint16_t *speeds) {
uint8_t req[2] = {0x41}; // 2nd element is the fan id.
uint8_t resp[buf_size];
static void aio_get_fan_speed(libusb_device_handle* dev, uint16_t *speeds) {
for (uint8_t i = 0; i < 2; i++) {
req[1] = i;
aio_post(aio, req, sizeof(req), resp, 6);
POST_AND_GET_RESP2(0x41, i, 6);
speeds[i] = resp[4] << 8 | resp[5];
}
}
static char* aio_get_firmware_version(libusb_device_handle* dev, char* buf) {
POST_AND_GET_RESP(0xaa, buf_size);
sprintf(buf, "%d.%d.%d.%d", resp[3], resp[4], resp[5], resp[6]);
return buf;
}
static void aio_set_pump_mode(libusb_device_handle* dev, const enum aio_pump_mode_t mode) {
POST_AND_GET_RESP2(0x32, mode, 6);
}
void aio_detect(struct aio_t *aio) {
libusb_init(NULL);
aio->handle = libusb_open_device_with_vid_pid(NULL, AIO_USB_VID, AIO_USB_PID);
@@ -51,25 +77,34 @@ void aio_detect(struct aio_t *aio) {
if (libusb_kernel_driver_active(aio->handle, 0))
libusb_detach_kernel_driver(aio->handle, 0);
const int ret = libusb_claim_interface(aio->handle, 0);
if (ret == 0)
applog(LOG_INF, "found Corsair AIO device at %04x:%04x", AIO_USB_VID, AIO_USB_PID);
else
applog(LOG_ERR, "failed to claim AIO device");
aio_usb_claim(aio->handle);
aio_set_pump_mode(aio->handle, QUIET); // needed for init ig?
aio_usb_release(aio->handle);
applog(LOG_INF, "found Corsair AIO device at %04x:%04x, fw %s", AIO_USB_VID, AIO_USB_PID, aio_get_firmware_version(aio->handle, (char[16]){0}));
}
void aio_update(struct aio_t *aio) {
if (aio->handle == NULL)
return;
aio_usb_claim(aio->handle);
aio->water_temp = aio_get_water_temp(aio->handle);
aio->pump_speed = aio_get_pump_speed(aio->handle);
aio->mode = aio_get_pump_mode(aio->handle);
aio_get_fan_speed(aio->handle, aio->fan_speed);
if (aio->water_temp > 36.0f && aio->mode != BALANCED)
aio_set_pump_mode(aio->handle, BALANCED);
if (aio->water_temp < 34.0f && aio->mode != QUIET)
aio_set_pump_mode(aio->handle, QUIET);
aio_usb_release(aio->handle);
}
void aio_close(const struct aio_t *aio) {
libusb_release_interface(aio->handle, 0);
libusb_attach_kernel_driver(aio->handle, 0); /* reattach so liquidctl still works */
libusb_attach_kernel_driver(aio->handle, 0); // reattach so liquidctl still works
libusb_close(aio->handle);
libusb_exit(NULL);
applog(LOG_INF, "AIO device closed");