From 36384f16b1b663b2a32bb5ef24a2ff135bcef257 Mon Sep 17 00:00:00 2001 From: Thomas Ingleby Date: Mon, 14 Jul 2014 18:19:26 +0100 Subject: [PATCH] intel_galileo_rev_g: make gpio on i2c pins go hiz Signed-off-by: Thomas Ingleby --- src/intel_galileo_rev_g.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/src/intel_galileo_rev_g.c b/src/intel_galileo_rev_g.c index 1b6dad1..1bf0c4e 100644 --- a/src/intel_galileo_rev_g.c +++ b/src/intel_galileo_rev_g.c @@ -52,6 +52,25 @@ mraa_intel_galileo_gen2_dir_pre(mraa_gpio_context dev, gpio_dir_t dir) return MRAA_SUCCESS; } +mraa_result_t +mraa_intel_galileo_gen2_i2c_init_pre(unsigned int bus) +{ + mraa_gpio_context io18; + int status = 0; + io18 = mraa_gpio_init_raw(57); + status = status + mraa_gpio_dir(io18, MRAA_GPIO_IN); + status = status + mraa_gpio_mode(io18, MRAA_GPIO_HIZ); + + mraa_gpio_context io19; + io19 = mraa_gpio_init_raw(59); + status = status + mraa_gpio_dir(io19, MRAA_GPIO_IN); + status = status + mraa_gpio_mode(io19, MRAA_GPIO_HIZ); + + if (status > 0) + return MRAA_ERROR_UNSPECIFIED; + return MRAA_SUCCESS; +} + mraa_board_t* mraa_intel_galileo_gen2() { @@ -66,6 +85,7 @@ mraa_intel_galileo_gen2() b->adc_supported = 10; advance_func->gpio_dir_pre = &mraa_intel_galileo_gen2_dir_pre; + advance_func->i2c_init_pre = &mraa_intel_galileo_gen2_i2c_init_pre; b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t)*MRAA_INTEL_GALILEO_GEN_2_PINCOUNT);