Mercurial > public > ostc4
changeset 330:2defc8cd93ce I2C_Improvment
Added check of configuration.
In case of a problem in I2C communication the initialization of the battery gauge may have failed. To detect this a check of configuration of I2C reinitialization have been added
| author | ideenmodellierer |
|---|---|
| date | Wed, 17 Jul 2019 22:43:16 +0200 |
| parents | da5b91b1e20e |
| children | b4c578caaafb |
| files | Small_CPU/Inc/batteryGasGauge.h Small_CPU/Src/batteryGasGauge.c |
| diffstat | 2 files changed, 23 insertions(+), 0 deletions(-) [+] |
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--- a/Small_CPU/Inc/batteryGasGauge.h Wed Jul 17 22:42:55 2019 +0200 +++ b/Small_CPU/Inc/batteryGasGauge.h Wed Jul 17 22:43:16 2019 +0200 @@ -29,6 +29,8 @@ /* Includes ------------------------------------------------------------------*/ +#include <stdint.h> + void init_battery_gas_gauge(void); float get_voltage(void); @@ -37,6 +39,7 @@ void battery_gas_gauge_get_data(void); void battery_gas_gauge_set_charge_full(void); void battery_gas_gauge_set(float percentage); +uint8_t battery_gas_gauge_CheckConfigOK(void); #ifdef __cplusplus }
--- a/Small_CPU/Src/batteryGasGauge.c Wed Jul 17 22:42:55 2019 +0200 +++ b/Small_CPU/Src/batteryGasGauge.c Wed Jul 17 22:43:16 2019 +0200 @@ -22,6 +22,7 @@ ****************************************************************************** */ /* Includes ------------------------------------------------------------------*/ +#include <string.h> /* memset */ #include "batteryGasGauge.h" #include "baseCPU2.h" #include "stm32f4xx_hal.h" @@ -71,6 +72,25 @@ I2C_Master_Transmit(DEVICE_BATTERYGAUGE, buffer, 2); } +uint8_t battery_gas_gauge_CheckConfigOK(void) +{ + #ifdef OSTC_ON_DISCOVERY_HARDWARE + return; + #endif + + uint8_t retval = 0; + uint8_t bufferReceive[10]; + + memset(bufferReceive,0,sizeof(bufferReceive)); + + I2C_Master_Receive(DEVICE_BATTERYGAUGE, bufferReceive, 10); + if(bufferReceive[1] == 0xf8) + { + retval = 1; + } + return retval; +} + static void disable_adc(void) { uint8_t buffer[2];