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grovepi: grovepi subplatform support via i2c

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Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Mihai Tudor Panu
2017-09-11 07:49:57 -07:00
committed by Brendan Le Foll
parent c6b1b18a9d
commit cc55ee6314
11 changed files with 454 additions and 16 deletions
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29
src/mraa.c
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@@ -55,6 +55,7 @@
#include "mraa_internal.h"
#include "firmata/firmata_mraa.h"
#include "grovepi/grovepi.h"
#include "gpio.h"
#include "version.h"
#include "i2c.h"
@@ -1268,7 +1269,7 @@ mraa_get_iio_device_count()
}
mraa_result_t
mraa_add_subplatform(mraa_platform_t subplatformtype, const char* uart_dev)
mraa_add_subplatform(mraa_platform_t subplatformtype, const char* dev)
{
#if defined(FIRMATA)
if (subplatformtype == MRAA_GENERIC_FIRMATA) {
@@ -1280,7 +1281,7 @@ mraa_add_subplatform(mraa_platform_t subplatformtype, const char* uart_dev)
syslog(LOG_NOTICE, "mraa: We don't support multiple firmata subplatforms!");
return MRAA_ERROR_FEATURE_NOT_SUPPORTED;
}
if (mraa_firmata_platform(plat, uart_dev) == MRAA_GENERIC_FIRMATA) {
if (mraa_firmata_platform(plat, dev) == MRAA_GENERIC_FIRMATA) {
syslog(LOG_NOTICE, "mraa: Added firmata subplatform");
return MRAA_SUCCESS;
}
@@ -1291,14 +1292,33 @@ mraa_add_subplatform(mraa_platform_t subplatformtype, const char* uart_dev)
}
#endif
if (subplatformtype == MRAA_GROVEPI) {
if (plat == NULL || plat->platform_type == MRAA_UNKNOWN_PLATFORM || plat->i2c_bus_count == 0) {
syslog(LOG_NOTICE, "mraa: The GrovePi shield is not supported on this platform!");
return MRAA_ERROR_FEATURE_NOT_SUPPORTED;
}
if (plat->sub_platform != NULL) {
syslog(LOG_NOTICE, "mraa: A subplatform was already added!");
return MRAA_ERROR_FEATURE_NOT_SUPPORTED;
}
int i2c_bus;
if(mraa_atoi(strdup(dev), &i2c_bus) != MRAA_SUCCESS && i2c_bus < plat->i2c_bus_count) {
syslog(LOG_NOTICE, "mraa: Cannot add GrovePi subplatform, invalid i2c bus specified");
return MRAA_ERROR_INVALID_PARAMETER;
}
if (mraa_grovepi_platform(plat, i2c_bus) == MRAA_GROVEPI) {
syslog(LOG_NOTICE, "mraa: Added GrovePi subplatform");
return MRAA_SUCCESS;
}
}
return MRAA_ERROR_INVALID_PARAMETER;
}
mraa_result_t
mraa_remove_subplatform(mraa_platform_t subplatformtype)
{
#if defined(FIRMATA)
if (subplatformtype == MRAA_GENERIC_FIRMATA) {
if (subplatformtype != MRAA_FTDI_FT4222) {
if (plat == NULL || plat->sub_platform == NULL) {
return MRAA_ERROR_INVALID_PARAMETER;
}
@@ -1307,7 +1327,6 @@ mraa_remove_subplatform(mraa_platform_t subplatformtype)
free(plat->sub_platform);
return MRAA_SUCCESS;
}
#endif
return MRAA_ERROR_INVALID_PARAMETER;
}