BA0_HISR
if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0)
if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0)
hisr = csa_readio(resp, BA0_HISR);
if ((csa_readio(resp, BA0_HISR) & HISR_INTENA) == 0)