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#include "arch.h"
#include "driver/i2c.h"
#include <stdint.h>
void bme680_delay_ms(uint32_t const period)
{
arch.delay_ms(period);
}
int8_t bme680_i2c_read(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len)
{
int8_t ret = i2c.xmit(dev_id, 1, ®_addr, 0, 0);
if (ret) {
return ret;
}
return i2c.xmit(dev_id, 0, 0, len, reg_data);
}
int8_t bme680_i2c_write(uint8_t dev_id, uint8_t reg_addr, uint8_t *reg_data, uint16_t len)
{
unsigned char txbuf[len+1];
txbuf[0] = reg_addr;
for (uint16_t i = 0; i < len; i++) {
txbuf[i+1] = reg_data[i];
}
return i2c.xmit(dev_id, len + 1, txbuf, 0, 0);
}
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