I'm building an IOS POS app using the square reader and SDK, I would like it to work like a ticket machine on the bus with a preset amount always ready for a card to be presented. I've integrated the SDK and can preset the amount and launch the Square POS ready to take the payment however after about 20 seconds the reader goes to sleep and it has to be re-enabled manually by pressing the 're-enable contactless' on the screen. Do you know of a way to control this behavior so that the reader is always ready or at least wakes up when a card is presented without having to intervene manually?
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