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gpio: move gpio setup from core into module

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Added syslog lines for easier fault investigation

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-10-30 19:08:15 +00:00
parent 1cbdef1ab3
commit 401f0cfe65
3 changed files with 18 additions and 28 deletions
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21
src/gpio/gpio.c
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@@ -55,11 +55,26 @@ mraa_gpio_get_valfp(mraa_gpio_context dev)
mraa_gpio_context
mraa_gpio_init(int pin)
{
int pinm = mraa_setup_gpio(pin);
if (pinm < 0)
if (plat == NULL) {
syslog(LOG_ERR, "gpio: platform not initialised");
return NULL;
}
if (pin < 0 || pin > plat->phy_pin_count) {
syslog(LOG_ERR, "gpio: pin %i beyond platform definition", pin);
return NULL;
}
if (plat->pins[pin].capabilites.gpio != 1) {
syslog(LOG_ERR, "gpio: pin %i not capable of gpio", pin);
return NULL;
}
if (plat->pins[pin].gpio.mux_total > 0) {
if (mraa_setup_mux_mapped(plat->pins[pin].gpio) != MRAA_SUCCESS) {
syslog(LOG_ERR, "gpio: unable to setup muxes");
return NULL;
}
}
mraa_gpio_context r = mraa_gpio_init_raw(pinm);
mraa_gpio_context r = mraa_gpio_init_raw(plat->pins[pin].gpio.pinmap);
r->phy_pin = pin;
if (advance_func->gpio_init_post != NULL) {