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Implementing the readTemp-CC1120 #310

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Implementing the readTemp-CC1120 #310

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504422f
Implementing the readTemp cc1120
Dibadi1384 Nov 29, 2024
80c769f
Update cc1120.h for readTemp
Dibadi1384 Nov 29, 2024
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21 changes: 21 additions & 0 deletions obc/app/drivers/cc1120/cc1120.c
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Original file line number Diff line number Diff line change
Expand Up @@ -445,3 +445,24 @@ obc_error_code_t cc1120GetBytesInRxFifo(uint8_t *numBytes) {
RETURN_IF_ERROR_CODE(cc1120ReadExtAddrSpi(CC1120_REGS_EXT_NUM_RXBYTES, numBytes, 1));
return OBC_ERR_CODE_SUCCESS;
}

/**
* @brief Read the temperature from the cc1120
*
* @param temp Pointer to float to store the temperature in degrees Celsius
* @return OBC_ERR_CODE_SUCCESS if successful, invalid-arg error code otherwise
*/
obc_error_code_t readTempCC1120(float *temp){
if (temp == NULL) {
return OBC_ERR_CODE_INVALID_ARG;
}

obc_error_code_t errCode;
uint8_t rawTemp = 0;
// The CC1120 device can be configured to provide a voltage proportional to temperature on GPIO1, not sure if it's the correct reg
RETURN_IF_ERROR_CODE(cc1120ReadExtAddrSpi(CC1120_REGS_EXT_GPIO_STATUS, &rawTemp, 1));

*temp = ((float)rawTemp / 2.0f) - 40.0f;

return OBC_ERR_CODE_SUCCESS;
}
10 changes: 10 additions & 0 deletions obc/app/drivers/cc1120/cc1120.h
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Original file line number Diff line number Diff line change
Expand Up @@ -171,3 +171,13 @@ obc_error_code_t cc1120GetState(cc1120_state_t *stateNum);
* @return obc_error_code_t - Whether or not the setup was a success
*/
obc_error_code_t cc1120Init(void);

/**
* @brief Read the temperature from the cc1120
*
* @param temp Pointer to float to store the temperature in degrees Celsius
* @return OBC_ERR_CODE_SUCCESS if successful, invalid-arg error code otherwise
*/
obc_error_code_t readTempCC1120(float *temp);


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