raydium_i2c_send
error = raydium_i2c_send(client, RM_CMD_ENTER_SLEEP,
error = raydium_i2c_send(client, RM_RESET_MSG_ADDR, &soft_rst_cmd,
error = raydium_i2c_send(client, RM_CMD_BOOT_WRT,
error = raydium_i2c_send(client, RM_CMD_BOOT_ACK, rbuf, 1);
error = raydium_i2c_send(client, RM_CMD_BOOT_WRT, data, len);
error = raydium_i2c_send(client, RM_CMD_BOOT_ACK, cmd, sizeof(cmd));