Templates/DS18B20_Library
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Обновлена библиотека для датчиков с py32 модуля

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This commit is contained in:
Razvalyaev
2025-03-05 11:45:32 +03:00
parent d86a7899a3
commit 0689046c85
12 changed files with 524 additions and 513 deletions
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127
DS18B20/ds18b20_driver.c
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@@ -17,6 +17,9 @@ OneWire_t OW;
*/
HAL_StatusTypeDef DS18B20_IsValidAddress(uint8_t *ROM)
{
if(ROM == NULL)
return HAL_ERROR;
uint8_t check_family = (*ROM == DS18B20_FAMILY_CODE);
/* Calculate CRC */
uint8_t crc = OneWire_CRC8(ROM, 7);
@@ -34,6 +37,9 @@ HAL_StatusTypeDef DS18B20_IsValidAddress(uint8_t *ROM)
*/
HAL_StatusTypeDef DS18B20_IsValid(uint8_t *ROM)
{
if(ROM == NULL)
return HAL_ERROR;
if(*ROM == DS18B20_FAMILY_CODE)
return HAL_OK;
else
@@ -49,6 +55,11 @@ HAL_StatusTypeDef DS18B20_IsValid(uint8_t *ROM)
uint8_t DS18B20_GetResolution(OneWire_t* OW, uint8_t *ROM) {
uint8_t conf;
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
/* Check valid ROM */
if (DS18B20_IsValid(ROM) != HAL_OK)
return 0;
@@ -85,6 +96,11 @@ uint8_t DS18B20_GetResolution(OneWire_t* OW, uint8_t *ROM) {
HAL_StatusTypeDef DS18B20_SetResolution(OneWire_t* OW, uint8_t *ROM,
DS18B20_Res_t Resolution)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
uint8_t th, tl, conf;
/* Check valid ROM */
@@ -146,6 +162,11 @@ HAL_StatusTypeDef DS18B20_SetResolution(OneWire_t* OW, uint8_t *ROM,
*/
HAL_StatusTypeDef DS18B20_StartConvT(OneWire_t* OW, uint8_t *ROM)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
/* Check if device is DS18B20 */
if(DS18B20_IsValid(ROM) != HAL_OK)
return HAL_ERROR;
@@ -167,6 +188,9 @@ HAL_StatusTypeDef DS18B20_StartConvT(OneWire_t* OW, uint8_t *ROM)
*/
HAL_StatusTypeDef DS18B20_StartConvTAll(OneWire_t* OW)
{
if(OW == NULL)
return HAL_ERROR;
/* Reset pulse */
OneWire_Reset(OW);
@@ -189,6 +213,15 @@ HAL_StatusTypeDef DS18B20_StartConvTAll(OneWire_t* OW)
*/
HAL_StatusTypeDef DS18B20_CalcTemperature(OneWire_t* OW, uint8_t *ROM, uint8_t *Scratchpad, float *Destination)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
if(Scratchpad == NULL)
return HAL_ERROR;
if(Destination == NULL)
return HAL_ERROR;
uint16_t temperature;
uint8_t resolution;
int8_t digit, minus = 0;
@@ -256,8 +289,6 @@ HAL_StatusTypeDef DS18B20_CalcTemperature(OneWire_t* OW, uint8_t *ROM, uint8_t *
}
uint8_t scratchpad_buff[8];
/**
* @brief The function is used as read scratchpad from device
* @retval status in OK = 1, Failed = 0
@@ -267,8 +298,12 @@ uint8_t scratchpad_buff[8];
*/
HAL_StatusTypeDef DS18B20_ReadScratchpad(OneWire_t* OW, uint8_t *ROM, uint8_t *Scratchpad)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
if(Scratchpad == NULL)
Scratchpad = scratchpad_buff;
return HAL_ERROR;
/* Reset line */
OneWire_Reset(OW);
@@ -303,6 +338,8 @@ HAL_StatusTypeDef DS18B20_ReadScratchpad(OneWire_t* OW, uint8_t *ROM, uint8_t *S
*/
HAL_StatusTypeDef DS18B20_WaitForEndConvertion(OneWire_t* OW)
{
if(OW == NULL)
return HAL_ERROR;
uint32_t tickstart = HAL_GetTick();
/* Wait until line is released, then coversion is completed */
@@ -315,6 +352,22 @@ HAL_StatusTypeDef DS18B20_WaitForEndConvertion(OneWire_t* OW)
}
/**
* @brief The function is used to wait for end of convertion without blocking
* @param OW OneWire HandleTypedef
*/
HAL_StatusTypeDef DS18B20_WaitForEndConvertion_NonBlocking(OneWire_t* OW)
{
if(OW == NULL)
return HAL_ERROR;
/* If line is pull down - conversion is ongoing */
if(OneWire_ReadBit(OW) == 0)
return HAL_BUSY;
else
return HAL_OK; // convertion done
}
/**
* @brief The function is used as set temperature alarm range on
@@ -328,6 +381,11 @@ HAL_StatusTypeDef DS18B20_WaitForEndConvertion(OneWire_t* OW)
HAL_StatusTypeDef DS18B20_SetTempAlarm(OneWire_t* OW, uint8_t *ROM, int8_t Low,
int8_t High)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
uint8_t tl, th, conf;
/* Check if device is DS18B20 */
@@ -396,6 +454,11 @@ HAL_StatusTypeDef DS18B20_SetTempAlarm(OneWire_t* OW, uint8_t *ROM, int8_t Low,
HAL_StatusTypeDef DS18B20_WriteUserBytes(OneWire_t* OW, uint8_t *ROM, int16_t UserBytes12,
int16_t UserBytes34, uint8_t UserBytesMask)
{
if(OW == NULL)
return HAL_ERROR;
if(ROM == NULL)
return HAL_ERROR;
uint8_t ub1, ub2, conf, ub3, ub4;
uint8_t UserByte1 = UserBytes12 & 0xFF;
uint8_t UserByte2 = UserBytes12 >> 8;
@@ -475,35 +538,35 @@ HAL_StatusTypeDef DS18B20_WriteUserBytes(OneWire_t* OW, uint8_t *ROM, int16_t Us
}
/**
* @brief The function is used as search device that had temperature alarm
* triggered and store it in DS18B20 alarm data structure
* @retval status of search, OK = 1, Failed = 0
* @param DS DS18B20 HandleTypedef
* @param OW OneWire HandleTypedef
*/
uint8_t DS18B20_AlarmSearch(DS18B20_Drv_t *DS, OneWire_t* OW)
{
uint8_t t = 0;
///**
// * @brief The function is used as search device that had temperature alarm
// * triggered and store it in DS18B20 alarm data structure
// * @retval status of search, OK = 1, Failed = 0
// * @param DS DS18B20 HandleTypedef
// * @param OW OneWire HandleTypedef
// */
//uint8_t DS18B20_AlarmSearch(DS18B20_Drv_t *DS, OneWire_t* OW)
//{
// uint8_t t = 0;
/* Reset Alarm in DS */
for(uint8_t i = 0; i < OW->RomCnt; i++)
{
for(uint8_t j = 0; j < 8; j++)
{
DS->AlmAddr[i][j] = 0;
}
}
// /* Reset Alarm in DS */
// for(uint8_t i = 0; i < OW->RomCnt; i++)
// {
// for(uint8_t j = 0; j < 8; j++)
// {
// DS->AlmAddr[i][j] = 0;
// }
// }
/* Start alarm search */
while (OneWire_Search(OW, DS18B20_CMD_ALARM_SEARCH))
{
/* Store ROM of device which has alarm flag set */
OneWire_GetDevRom(OW, DS->AlmAddr[t]);
t++;
}
return (t > 0) ? 1 : 0;
}
// /* Start alarm search */
// while (OneWire_Search(OW, DS18B20_CMD_ALARM_SEARCH))
// {
// /* Store ROM of device which has alarm flag set */
// OneWire_GetDevRom(OW, DS->AlmAddr[t]);
// t++;
// }
// return (t > 0) ? 1 : 0;
//}
/**
* @brief The function is used to initialize the DS18B20 sensor, and search
@@ -514,6 +577,10 @@ uint8_t DS18B20_AlarmSearch(DS18B20_Drv_t *DS, OneWire_t* OW)
*/
HAL_StatusTypeDef DS18B20_Search(DS18B20_Drv_t *DS, OneWire_t *OW)
{
if(OW == NULL)
return HAL_ERROR;
OW->RomCnt = 0;
/* Search all OneWire devices ROM */
while(1)