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i2c: move i2c setup from core into module

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Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
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Thomas Ingleby
2014-11-03 15:44:40 +00:00
parent 66c5011cfb
commit ffd38bb68c
3 changed files with 32 additions and 55 deletions
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33
src/mraa.c
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@@ -165,39 +165,6 @@ mraa_setup_mux_mapped(mraa_pin_t meta)
return MRAA_SUCCESS;
}
unsigned int
mraa_setup_i2c(int* bus)
{
if (plat == NULL)
return MRAA_PLATFORM_NO_INIT;
if (plat->i2c_bus_count == 0) {
syslog(LOG_ERR, "No i2c buses defined in platform");
return MRAA_NO_SUCH_IO;
}
if (*bus >= plat->i2c_bus_count) {
syslog(LOG_ERR, "Above i2c bus count");
return MRAA_NO_SUCH_IO;
}
if (plat->i2c_bus[*bus].bus_id == -1) {
syslog(LOG_ERR, "Invalid i2c bus, moving to default i2c bus");
*bus = plat->def_i2c_bus;
}
int pos = plat->i2c_bus[*bus].sda;
if (plat->pins[pos].i2c.mux_total > 0)
if (mraa_setup_mux_mapped(plat->pins[pos].i2c) != MRAA_SUCCESS)
return MRAA_IO_SETUP_FAILURE;
pos = plat->i2c_bus[*bus].scl;
if (plat->pins[pos].i2c.mux_total > 0)
if (mraa_setup_mux_mapped(plat->pins[pos].i2c) != MRAA_SUCCESS)
return MRAA_IO_SETUP_FAILURE;
return plat->i2c_bus[*bus].bus_id;
}
mraa_spi_bus_t*
mraa_setup_spi(int bus)
{