highperfocused/ESP-Miner
1
0
Fork 0
mirror of https://github.com/skot/ESP-Miner.git synced 2025-03-17 21:32:52 +01:00
Code Issues Packages Projects Releases Wiki Activity

added the DS4432U transfer function for setting the BM1397 core voltage. careful with this one!!

Browse Source
This commit is contained in:
Skot Croshere 2023-01-17 00:07:21 -05:00
parent c6448abcd8
commit 7b816bc6d4
5 changed files with 75 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

61
main/DS4432U.c
View File

@ -1,4 +1,5 @@
#include <stdio.h>
#include <math.h>
#include "esp_log.h"
#include "driver/i2c.h"
@ -17,8 +18,43 @@
#define DS4432U_OUT0_REG 0xF8 //register for current output 0
#define DS4432U_OUT1_REG 0xF9 //register for current output 1
//DS4432U Transfer function constants
#define VFB 0.6
#define IFS 0.000098921 // (Vrfs / Rfs) x (127/16) -> Vrfs = 0.997, Rfs = 80000
#define RA 4750.0 //R14
#define RB 3320.0 //R15
#define NOMINAL 1.451 //this is with the current DAC set to 0. Should be pretty close to (VFB*(RA+RB))/RB
#define MAXV 2.39
#define MINV 0.046
static const char *TAG = "DS4432U.c";
/**
* @brief voltage_to_reg takes a voltage and returns a register setting for the DS4432U to get that voltage on the TPS40305
* careful with this one!!
*/
uint8_t voltage_to_reg(float vout) {
float change;
uint8_t reg;
//make sure the requested voltage is in within range of MINV and MAXV
if (vout > MAXV || vout < MINV) {
return 0;
}
//this is the transfer function. comes from the DS4432U+ datasheet
change = fabs((((VFB/RB) - ((vout-VFB)/RA))/IFS) * 127);
reg = (uint8_t)ceil(change);
//Set the MSB high if the requested voltage is BELOW nominal
if (vout < NOMINAL) {
reg |= 0x80;
}
return reg;
}
/**
* @brief i2c master initialization
*/
@ -50,26 +86,31 @@ esp_err_t i2c_master_delete(void) {
/**
* @brief Read a sequence of I2C bytes
*/
static esp_err_t register_read(uint8_t i2c_address, uint8_t reg_addr, uint8_t *data, size_t len) {
return i2c_master_write_read_device(I2C_MASTER_NUM, i2c_address, &reg_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
static esp_err_t register_read(uint8_t reg_addr, uint8_t *data, size_t len) {
return i2c_master_write_read_device(I2C_MASTER_NUM, DS4432U_SENSOR_ADDR, &reg_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
}
/**
* @brief Write a byte to a I2C register
*/
// static esp_err_t register_write_byte(uint8_t i2c_address, uint8_t reg_addr, uint8_t data) {
// int ret;
// uint8_t write_buf[2] = {reg_addr, data};
static esp_err_t register_write_byte(uint8_t reg_addr, uint8_t data) {
int ret;
uint8_t write_buf[2] = {reg_addr, data};
// ret = i2c_master_write_to_device(I2C_MASTER_NUM, i2c_address, write_buf, sizeof(write_buf), I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
ret = i2c_master_write_to_device(I2C_MASTER_NUM, DS4432U_SENSOR_ADDR, write_buf, sizeof(write_buf), I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
// return ret;
// }
return ret;
}
void DS4432U_read(void) {
uint8_t data[3];
/* Read the DS4432U+ WHO_AM_I register, on power up the register should have the value 0x00 */
ESP_ERROR_CHECK(register_read(DS4432U_SENSOR_ADDR, DS4432U_OUT1_REG, data, 1));
ESP_ERROR_CHECK(register_read(DS4432U_OUT0_REG, data, 1));
ESP_LOGI(TAG, "DS4432U+ OUT1 = 0x%02X", data[0]);
}
void DS4432U_set(uint8_t val) {
ESP_LOGI(TAG, "Writing 0x%02X", val);
ESP_ERROR_CHECK(register_write_byte(DS4432U_OUT0_REG, val));
}

2
main/DS4432U.h
View File

@ -6,5 +6,7 @@
esp_err_t i2c_master_init(void);
esp_err_t i2c_master_delete(void);
void DS4432U_read(void);
void DS4432U_set(uint8_t);
uint8_t voltage_to_reg(float vout);
#endif /* DS4432U_H_ */

8
main/EMC2101.c Normal file
View File

@ -0,0 +1,8 @@
//EMC2101 -- Fan and temp sensor controller
//address: 0x4C
#define EMC2101_SENSOR_ADDR 0x4C //Slave address of the EMC2101
#define EMC2101_PRODUCTID_REG 0xFD //should be 0x16 or 0x28
// /* Read the EMC2101 WHO_AM_I register, on power up the register should have the value 0x16 or 0x28 */
// ESP_ERROR_CHECK(register_read(EMC2101_SENSOR_ADDR, EMC2101_PRODUCTID_REG, data, 1));
// ESP_LOGI(TAG, "EMC2101 PRODUCT ID = 0x%02X", data[0]);

8
main/INA260.c Normal file
View File

@ -0,0 +1,8 @@
//INA260 -- Power meter
//address: 0x40
#define INA260_SENSOR_ADDR 0x40 //Slave address of the INA260
#define INA260_MANFID_REG 0xFE //should be 0x5449
// /* Read the INA260 WHO_AM_I register, on power up the register should have the value 0x5449 */
// ESP_ERROR_CHECK(register_read(INA260_SENSOR_ADDR, INA260_MANFID_REG, data, 2));
// ESP_LOGI(TAG, "INA260 MANF ID = 0x%02X%02X", data[0], data[1]);

34
main/i2c_simple_main.c
View File

@ -23,27 +23,10 @@
static const char *TAG = "i2c-test";
//INA260 -- Power meter
//address: 0x40
#define INA260_SENSOR_ADDR 0x40 //Slave address of the INA260
#define INA260_MANFID_REG 0xFE //should be 0x5449
//EMC2101 -- Fan and temp sensor controller
//address: 0x4C
#define EMC2101_SENSOR_ADDR 0x4C //Slave address of the EMC2101
#define EMC2101_PRODUCTID_REG 0xFD //should be 0x16 or 0x28
void app_main(void) {
//test the LEDs
ESP_LOGI(TAG, "Init LEDs!");
initLEDs();
// gpio_set_level(LEDX_R, 1);
// gpio_set_level(LEDZ_R, 1);
ledc_init();
led_set();
@ -53,20 +36,15 @@ void app_main(void) {
DS4432U_read();
// /* Read the EMC2101 WHO_AM_I register, on power up the register should have the value 0x16 or 0x28 */
// ESP_ERROR_CHECK(register_read(EMC2101_SENSOR_ADDR, EMC2101_PRODUCTID_REG, data, 1));
// ESP_LOGI(TAG, "EMC2101 PRODUCT ID = 0x%02X", data[0]);
DS4432U_set(0x00);
float core_voltage = 1.0;
uint8_t reg_setting;
// /* Read the INA260 WHO_AM_I register, on power up the register should have the value 0x5449 */
// ESP_ERROR_CHECK(register_read(INA260_SENSOR_ADDR, INA260_MANFID_REG, data, 2));
// ESP_LOGI(TAG, "INA260 MANF ID = 0x%02X%02X", data[0], data[1]);
reg_setting = voltage_to_reg(core_voltage);
// /* Read the DS4432U+ WHO_AM_I register, on power up the register should have the value 0x00 */
// ESP_ERROR_CHECK(register_read(DS4432U_SENSOR_ADDR, DS4432U_OUT1_REG, data, 1));
// ESP_LOGI(TAG, "DS4432U+ OUT1 = 0x%02X", data[0]);
ESP_LOGI(TAG, "Test set %.3fV = 0x%02X", core_voltage, reg_setting);
// /* Demonstrate writing by reseting the MPU9250 */
// ESP_ERROR_CHECK(mpu9250_register_write_byte(MPU9250_PWR_MGMT_1_REG_ADDR, 1 << MPU9250_RESET_BIT));
DS4432U_set(reg_setting); ///eek!
ESP_ERROR_CHECK(i2c_master_delete());
ESP_LOGI(TAG, "I2C unitialized successfully");