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add AHT10

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This commit is contained in:
Edward Emelianov
2025-10-11 01:17:59 +03:00
parent 5c424fc617
commit 675b02f1a3
10 changed files with 178 additions and 3 deletions
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23
I2Csensors/i2c.c
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@@ -28,6 +28,29 @@
static uint8_t lastaddr = 0;
static int I2Cfd = -1;
static int i2c_rw(uint8_t *data, int len, uint16_t flags){
struct i2c_msg m;
struct i2c_rdwr_ioctl_data x = {.msgs = &m, .nmsgs = 1};
m.addr = lastaddr;
m.flags = flags; // 0 for w and I2C_M_RD for read
m.len = len;
m.buf = data;
if(ioctl(I2Cfd, I2C_RDWR, &x) < 0){
WARN("i2c_read_reg16, ioctl()");
return FALSE;
}
return TRUE;
}
int i2c_write_raw(uint8_t *data, int len){
if(!data || I2Cfd < 1 || len < 1) return FALSE;
return i2c_rw(data, len, 0);
}
int i2c_read_raw(uint8_t *data, int len){
if(!data || I2Cfd < 1 || len < 1) return FALSE;
return i2c_rw(data, len, I2C_M_RD);
}
/**
* @brief i2c_read_reg8 - read 8-bit addressed register (8 bit)
* @param regaddr - register address