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@Overdrivr
Last active Mar 3, 2016
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UART driver compatible with Telemetry (http://bit.ly/1XtKWXS) for board NXP KL25Z using base code from NXP Cup
int32_t write(void * buf, uint32_t sizeToWrite)
{
uint8_t * buffer = (uint8_t *) buf;
uint_32t i = 0;
for(i = 0 ; i < sizeToWrite ; i++)
{
ByteEnqueue(&SDA_SERIAL_OUTGOING_QUEUE, (uint8_t)(buffer[i]));
}
return (int32_t)sizeToWrite;
}
int32_t writeable()
{
return BytesInQueue(&SDA_SERIAL_OUTGOING_QUEUE) < SDA_SERIAL_OUTGOING_QUEUE_SIZE ;
}
int32_t read(void * buf, uint32_t sizeToRead)
{
uint8_t * buffer = (uint8_t *)buf;
uint32_t avail = BytesInQueue(&SDA_SERIAL_INCOMING_QUEUE);
uint32_t effectiveSizeToRead = (sizeToRead <= avail) ? sizeToRead : avail;
uint32_t i = 0;
for(i = 0 ; i < effectiveSizeToRead ; i ++)
{
buffer[i] = (uint8_t)ForcedByteDequeue(&SDA_SERIAL_INCOMING_QUEUE);
}
return (int32_t)effectiveSizeToRead;
}
int32_t readable()
{
return BytesInQueue(&SDA_SERIAL_INCOMING_QUEUE);
}
#include "Telemetry.h"
#include "driver.hpp"
int main(void)
{
// Initialize telemetry
TM_transport transport;
transport.read = read;
transport.write = write;
transport.readable = readable;
transport.writeable = writable;
init_telemetry(&transport);
while (1) {
update_telemetry(0);
publish("Hello","world!");
}
}
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