CUSE_COPY_BUFFER_MAX
uint8_t read_buffer[CUSE_COPY_BUFFER_MAX] __aligned(4);
uint8_t write_buffer[CUSE_COPY_BUFFER_MAX] __aligned(4);
if (len <= CUSE_COPY_BUFFER_MAX) {
} else if (error > 0 && len <= CUSE_COPY_BUFFER_MAX) {
if (len <= CUSE_COPY_BUFFER_MAX) {
if (len <= CUSE_COPY_BUFFER_MAX) {