ao_mutex_put(&ao_i2c_mutex[index]);
}
+static inline void
+ao_i2c_delay(void)
+{
+ uint8_t i;
+
+ for (i = 0; i < 10; i++)
+ ao_arch_nop();
+}
+
#define I2C_DEBUG 0
#if I2C_DEBUG
#define DBG(x...) printf(x)
out_cr2("start", stm_i2c, AO_STM_I2C_CR2);
out_cr1("start", stm_i2c,
AO_STM_I2C_CR1 | (1 << STM_I2C_CR1_START));
+ ao_i2c_delay();
out_cr2("start", stm_i2c,
AO_STM_I2C_CR2 | (1 << STM_I2C_CR2_ITEVTEN) | (1 << STM_I2C_CR2_ITERREN));
ao_alarm(1);
stm_nvic_set_priority(STM_ISR_I2C2_ER_POS, 3);
#endif
}
-