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C examples: move mraa_init() calls out of C examples and into C drivers.

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Signed-off-by: Jon Trulson <jtrulson@ics.com>
This commit is contained in:
Jon Trulson
2016-09-28 17:33:57 -06:00
parent c3a5b8dd3c
commit e7c80217c2
68 changed files with 274 additions and 256 deletions
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11
src/nmea_gps/nmea_gps.c
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@ -71,6 +71,14 @@ static int readRegs(const nmea_gps_context dev, uint8_t reg,
nmea_gps_context nmea_gps_init(unsigned int uart, unsigned int baudrate,
int enable_pin)
{
// make sure MRAA is initialized
int mraa_rv;
if ((mraa_rv = mraa_init()) != MRAA_SUCCESS)
{
printf("%s: mraa_init() failed (%d).\n", __FUNCTION__, mraa_rv);
return NULL;
}
nmea_gps_context dev =
(nmea_gps_context)malloc(sizeof(struct _nmea_gps_context));
@ -207,7 +215,8 @@ int nmea_gps_read(const nmea_gps_context dev, char *buffer, size_t len)
if (dev->i2c)
{
int rv;
if ((rv = readRegs(dev, UBLOX6_I2C_BYTE_STREAM, buffer, len)) < 0)
if ((rv = readRegs(dev, UBLOX6_I2C_BYTE_STREAM, (uint8_t *)buffer,
len)) < 0)
return rv;
// now we need to go through the bytes returned, and stop