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TWIBus patch for proper use of Wire.requestFrom

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This commit is contained in:
Scott Lahteine
2016-08-27 19:00:45 -05:00
parent 8e9ac72191
commit 2b226bc5c2
2 changed files with 14 additions and 24 deletions
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14
Marlin/twibus.h
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@ -54,14 +54,6 @@ typedef void (*twiRequestFunc_t)();
*/
class TWIBus {
private:
/**
* @brief Timeout value in milliseconds
* @details Maximum amount of time (ms) to wait for a reply.
* Useful if something goes wrong on the bus and the
* SDA/SCL lines are held up by another device.
*/
const int timeout = 5;
/**
* @brief Number of bytes on buffer
* @description Number of bytes in the buffer waiting to be flushed to the bus
@ -165,11 +157,11 @@ class TWIBus {
/**
* @brief Request data from the slave device and wait.
* @details Request a number of bytes from a slave device.
* Wait for the data to arrive until the timeout
* interval expires. Return true on success.
* Wait for the data to arrive, and return true
* on success.
*
* @param bytes the number of bytes to request
* @return status of the request: true=success, false=timeout
* @return status of the request: true=success, false=fail
*/
bool request(const uint8_t bytes);