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QDAC-firmware/libraries/zf_device/zf_device_aht20.c

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/*********************************************************************************************************************
* CH32V307VCT6 Opensourec Library <EFBFBD><EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD>⣩<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڹٷ<EFBFBD> SDK <EFBFBD>ӿڵĵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* Copyright (c) 2022 SEEKFREE <EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD>
*
* <EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* CH32V307VCT6 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ը<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᷢ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> GPL<EFBFBD><EFBFBD>GNU General Public License<EFBFBD><EFBFBD><EFBFBD><EFBFBD> GNUͨ<EFBFBD>ù<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> GPL <EFBFBD>ĵ<EFBFBD>3<EFBFBD>棨<EFBFBD><EFBFBD> GPL3.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><EFBFBD>κκ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>İ汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD>
*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܷ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κεı<EFBFBD>֤
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ի<EFBFBD><EFBFBD>ʺ<EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD>;<EFBFBD>ı<EFBFBD>֤
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϸ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>μ<EFBFBD> GPL
*
* <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>յ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͬʱ<EFBFBD>յ<EFBFBD>һ<EFBFBD><EFBFBD> GPL <EFBFBD>ĸ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><https://www.gnu.org/licenses/>
*
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> GPL3.0 <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤Э<EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD>İ汾
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӣ<EFBFBD>İ<EFBFBD><EFBFBD><EFBFBD> libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD> GPL3_permission_statement.txt <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>֤<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> libraries <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD> LICENSE <EFBFBD>ļ<EFBFBD>
* <EFBFBD><EFBFBD>ӭ<EFBFBD><EFBFBD>λʹ<EFBFBD>ò<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD>޸<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD><EFBFBD>뱣<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD>İ<EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> zf_device_aht20
* <EFBFBD><EFBFBD>˾<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD>ɶ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿƼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>޹<EFBFBD>˾
* <EFBFBD>汾<EFBFBD><EFBFBD>Ϣ <EFBFBD>鿴 libraries/doc <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> version <EFBFBD>ļ<EFBFBD> <EFBFBD>汾˵<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> MounRiver Studio V1.8.1
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƽ̨ CH32V307VCT6
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> https://seekfree.taobao.com/
*
* <EFBFBD>޸ļ<EFBFBD>¼
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>ע
* 2022-09-15 <EFBFBD><EFBFBD>W first version
********************************************************************************************************************/
/*********************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD>߶<EFBFBD><EFBFBD><EFBFBD>:
* ------------------------------------
* ģ<EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD> <EFBFBD><EFBFBD>Ƭ<EFBFBD><EFBFBD><EFBFBD>ܽ<EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD> IIC ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD>Ӧ<EFBFBD><EFBFBD>ϵ
* SCL <EFBFBD>鿴 zf_device_aht20.h <EFBFBD><EFBFBD> AHT20_SOFT_IIC_SCL <EFBFBD>궨<EFBFBD><EFBFBD>
* SDA <EFBFBD>鿴 zf_device_aht20.h <EFBFBD><EFBFBD> AHT20_SOFT_IIC_SDA <EFBFBD>궨<EFBFBD><EFBFBD>
* VCC 3.3V<EFBFBD><EFBFBD>Դ
* GND <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
*
* Ӳ<EFBFBD><EFBFBD> IIC ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ŷ<EFBFBD>Ӧ<EFBFBD><EFBFBD>ϵ
* SCL <EFBFBD>鿴 zf_device_aht20.h <EFBFBD><EFBFBD> AHT20_IIC_SCL <EFBFBD>궨<EFBFBD><EFBFBD>
* SDA <EFBFBD>鿴 zf_device_aht20.h <EFBFBD><EFBFBD> AHT20_IIC_SDA <EFBFBD>궨<EFBFBD><EFBFBD>
* VCC 3.3V<EFBFBD><EFBFBD>Դ
* GND <EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* ------------------------------------
********************************************************************************************************************/
#include "zf_device_aht20.h"
float aht_temperature = 0, aht_humidity = 0;
#if AHT20_USE_SOFT_IIC
static soft_iic_info_struct aht20_iic_struct;
#define aht20_write_register(reg, data) (soft_iic_write_8bit_register(&aht20_iic_struct, (reg), (data)))
#define aht20_write_registers(reg, data, len) (soft_iic_write_8bit_registers(&aht20_iic_struct, (reg), (data), (len)))
#define aht20_read_register(reg) (soft_iic_read_8bit_register(&aht20_iic_struct, (reg)))
#define aht20_read_registers(reg, data, len) (soft_iic_read_8bit_registers(&aht20_iic_struct, (reg), (data), (len)))
#else
#define aht20_write_register(reg, data) (iic_write_8bit_register(AHT20_IIC, AHT20_DEV_ADDR, (reg), (data)))
#define aht20_write_registers(reg, data, len) (iic_write_8bit_registers(AHT20_IIC, AHT20_DEV_ADDR, (reg), (data), (len)))
#define aht20_read_register(reg) (iic_read_8bit_register(AHT20_IIC, AHT20_DEV_ADDR, (reg)))
#define aht20_read_registers(reg, data, len) (iic_read_8bit_registers(AHT20_IIC, AHT20_DEV_ADDR, (reg), (data), (len)))
#endif
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> AHT20 <20>Լ캯<D4BC><ECBAAF>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> NULL
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 0 - <20><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD> 1 - <20><>ʼ<EFBFBD><CABC>ʧ<EFBFBD><CAA7>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> <20><><EFBFBD>øú<C3B8><C3BA><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD>ģ<EFBFBD><C4A3>IIC<49>ij<EFBFBD>ʼ<EFBFBD><CABC>
//-------------------------------------------------------------------------------------------------------------------
static uint8 aht20_self1_check(void)
{
uint8 return_state = 0;
uint16 timeout_count = 0;
uint8 send_data[2] = {0x08, 0x00};
while((AHT20_CAL_ENABLE & aht20_read_register(AHT20_READ_STATE)) != AHT20_CAL_ENABLE)
{
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD>
//1 AHT20 <20><><EFBFBD>ˣ<EFBFBD><CBA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĸ<EFBFBD><C4B8>ʼ<EFBFBD><CABC><EFBFBD>
//2 <20><><EFBFBD>ߴ<EFBFBD><DFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>нӺ<D0BD>
//3 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>裬<EFBFBD><E8A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3.3V
aht20_write_registers(AHT20_SELF_INIT, send_data, 2);
system_delay_ms(10);
if(timeout_count ++ > AHT20_TIMEOUT_COUNT)
{
return_state = 1;
break;
}
}
return return_state;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ȡ AHT20 <20><>ʪ<EFBFBD><CAAA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> void
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> void
// ʹ<><CAB9>ʾ<EFBFBD><CABE> aht20_read_data(); // ִ<>иú<D0B8><C3BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD>Ӳ鿴<D3B2><E9BFB4>Ӧ<EFBFBD>ı<EFBFBD><C4B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//-------------------------------------------------------------------------------------------------------------------
void aht20_read_data (void)
{
uint32 temp_data;
uint8 data_buffer[6] = {0x33, 0x00, 0x00, 0x00, 0x00, 0x00};
aht20_write_registers(AHT20_MEASURE_CMD, data_buffer, 2);
system_delay_ms(75);
data_buffer[0] = AHT20_STATE_BUSY;
while(data_buffer[0] & aht20_read_register(AHT20_READ_STATE))
{
system_delay_ms(1);
}
aht20_read_registers(AHT20_READ_STATE, data_buffer, 6);
temp_data = data_buffer[1];
temp_data = (temp_data << 8) + data_buffer[2];
temp_data = (temp_data << 4) + (data_buffer[3]>>4 & 0x0f);
aht_humidity = ((double)temp_data/0x100000)*100;
temp_data = (data_buffer[3] & 0x0f);
temp_data = (temp_data << 8) + data_buffer[4];
temp_data = (temp_data << 8) + data_buffer[5];
aht_temperature = ((double)temp_data/0x100000)*200-50;
}
//-------------------------------------------------------------------------------------------------------------------
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ʼ<EFBFBD><CABC> AHT20
// <20><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> NULL
// <20><><EFBFBD>ز<EFBFBD><D8B2><EFBFBD> uint8 0 - <20><>ʼ<EFBFBD><CABC><EFBFBD>ɹ<EFBFBD> 1 - <20><>ʼ<EFBFBD><CABC>ʧ<EFBFBD><CAA7>
// ʹ<><CAB9>ʾ<EFBFBD><CABE> <20><><EFBFBD>øú<C3B8><C3BA><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD>ģ<EFBFBD><C4A3>IIC<49>ij<EFBFBD>ʼ<EFBFBD><CABC>
//-------------------------------------------------------------------------------------------------------------------
uint8 aht20_init (void)
{
uint8 return_state = 0;
#if AHT20_USE_SOFT_IIC
soft_iic_init(&aht20_iic_struct, AHT20_DEV_ADDR, AHT20_SOFT_IIC_DELAY, AHT20_SCL_PIN, AHT20_SDA_PIN);
#else
iic_init(AHT20_IIC, AHT20_DEV_ADDR, AHT20_IIC_SPEED, AHT20_SCL_PIN, AHT20_SDA_PIN);
#endif
system_delay_ms(40); // <20>ϵ<EFBFBD><CFB5><EFBFBD>ʱ
return_state = aht20_self1_check();
return return_state;
}
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