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Refactor MAX17043 driver 

Refactor MAX17043 driver optional enable library (default off providing smaller footprint (-250 bytes)
This commit is contained in:
Theo Arends 2023-07-24 14:28:57 +02:00
parent f626539c18
commit 17cf73595f
1 changed files with 47 additions and 5 deletions
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52
tasmota/tasmota_xsns_sensor/xsns_110_max17043.ino
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@ -41,19 +41,51 @@
*
\*********************************************************************************************/
#define XSNS_110 110
#define XI2C_83 83 // See I2CDEVICES.md
#define XSNS_110 110
#define XI2C_83 83 // See I2CDEVICES.md
#define MAX17043_ADDRESS 0x36
//#define MAX17043_USE_LIB
#ifdef MAX17043_USE_LIB
#include "DFRobot_MAX17043.h"
DFRobot_MAX17043 max17043_gauge; // Class to read from MAX17043
#else
#define MAX17043_VCELL 0x02
#define MAX17043_SOC 0x04
#define MAX17043_MODE 0x06
#define MAX17043_VERSION 0x08
#define MAX17043_CONFIG 0x0c
#define MAX17043_COMMAND 0xfe
#endif // MAX17043_USE_LIB
DFRobot_MAX17043 max17043_gauge; // Class to read from MAX17043
bool max17043 = false;
/*********************************************************************************************/
void Max17043Init(void) {
if (I2cSetDevice(MAX17043_ADDRESS)) {
#ifdef MAX17043_USE_LIB
if (max17043_gauge.begin() == 0) {
#else
I2cWrite16(MAX17043_ADDRESS, MAX17043_COMMAND, 0x5400); // Power on reset
delay(10);
if (I2cRead16(MAX17043_ADDRESS, MAX17043_CONFIG) == 0x971c) { // Default 0x971c
I2cWrite16(MAX17043_ADDRESS, MAX17043_MODE, 0x4000); // Quick start
I2cWrite16(MAX17043_ADDRESS, MAX17043_CONFIG, 0x9700);
delay(10);
#endif // MAX17043_USE_LIB
max17043 = true;
I2cSetActiveFound(MAX17043_ADDRESS, "MAX17043");
}
@ -61,13 +93,23 @@ void Max17043Init(void) {
}
void Max17043Show(bool json) {
#ifdef MAX17043_USE_LIB
float voltage = max17043_gauge.readVoltage() / 1000.0; // Battery voltage in Volt
float percentage = max17043_gauge.readPercentage(); // Battery remaining charge in percent
#else
float voltage = (1.25f * (float)(I2cRead16(MAX17043_ADDRESS, MAX17043_VCELL) >> 4)) / 1000.0; // Battery voltage in Volt
uint16_t per = I2cRead16(MAX17043_ADDRESS, MAX17043_SOC);
float percentage = (float)((per >> 8) + 0.003906f * (per & 0x00ff)); // Battery remaining charge in percent
#endif // MAX17043_USE_LIB
// During charging the percentage might be (slightly) above 100%. To avoid strange numbers
// in the statistics the percentage provided by this driver will not go above 100%
float percentage = max17043_gauge.readPercentage(); // Battery remaining charge in percent
if (percentage > 100.0) { percentage = 100.0; }
if (json) {
ResponseAppend_P(PSTR(",\"MAX17043\":{\"" D_JSON_VOLTAGE "\":%3_f,\"" D_JSON_BATTPERCENT "\":%2_f}"), &voltage, &percentage );
#ifdef USE_WEBSERVER