73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#include <linux/i2c-dev.h>
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#include <sys/ioctl.h>
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#include <i2c/smbus.h>
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#include "icx3.h"
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void *print_icx3_temp(int fp)
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{
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int read_result;
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char buff[1024];
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struct icx3_fancontrol *fanstatus;
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for (int i=0; i < ICX3_MAX_FANS; i++) {
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read_result = i2c_smbus_read_i2c_block_data(fp, ICX3_REG_FANCONTROL + i, ICX3_FANCONTROL_SIZE, buff);
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if (read_result != ICX3_FANCONTROL_SIZE) {
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return 0;
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}
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fanstatus = (struct icx3_fancontrol*) &buff;
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printf("%s: %d RPM (%d/%d%%, %s)\n",
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icx3_fan_names[i],
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fanstatus->rpm_status,
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fanstatus->duty_status,
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fanstatus->duty,
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icx3_fan_mode_names[fanstatus->fanmode]
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);
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}
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struct icx3_tempsensors *tempsensors;
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read_result = i2c_smbus_read_i2c_block_data(fp, ICX3_REG_TEMPSENSOR, ICX3_TEMPSENSOR_SIZE, buff);
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if (read_result != ICX3_TEMPSENSOR_SIZE) {
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return 0;
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}
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tempsensors = (struct icx3_tempsensors*) &buff;
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float cur_temp;
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short cur_data;
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for (int i=0; i<ICX3_NUM_TEMP_SENSORS; i++) {
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cur_data = (short)(tempsensors->data[2*i+1] << 8) | (short)(tempsensors->data[2*i]);
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cur_temp = (float)cur_data/10;
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printf("%s %.1f C\n",
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icx3_temp_sensor_names[i],
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cur_temp);
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}
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}
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/* Check an I2C device file for an ICX3 controller, returs the product id. */
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enum icx3_product_id check_for_icx3(char *i2c_dev_path)
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{
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char data[I2C_SMBUS_BLOCK_MAX] = {};
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int test_fd, read_result;
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struct icx3_info *temp_info;
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test_fd = fopen(i2c_dev_path, O_RDONLY);
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if (!test_fd)
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return ICX3_NONE;
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if (ioctl(test_fd, I2C_SLAVE, ICX3_I2C_ADDR) < 0) {
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close(test_fd);
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return ICX3_NONE;
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}
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read_result = i2c_smbus_read_i2c_block_data(test_fd, ICX3_REG_READINFORMATION, ICX3_READINFORMATION_SIZE, buff);
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if (read_result == ICX3_READINFORMATION_SIZE) {
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temp_info = (struct *icx3_info)&buff;
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if (temp_info->slave_address == ICX3_I2C_ADDR)
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return temp_info->product_id;
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}
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return ICX3_NONE;
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}
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