diff --git a/src/intel_edison_fab_c.c b/src/intel_edison_fab_c.c index 9bf0ce3..007729c 100644 --- a/src/intel_edison_fab_c.c +++ b/src/intel_edison_fab_c.c @@ -49,6 +49,7 @@ static mraa_gpio_context tristate; static mraa_intel_edison_pinmodes_t pinmodes[MRAA_INTEL_EDISON_PINCOUNT]; static unsigned int outputen[] = {248,249,250,251,252,253,254,255,256,257,258,259,260,261,232,233,234,235,236,237}; +static unsigned int pullup_map[] = {216,217,218,219,220,221,222,223,224,225,226,227,228,229,208,209,210,211,212,213}; static mraa_result_t mraa_intel_edison_pinmode_change(int sysfs, int mode) @@ -56,9 +57,6 @@ mraa_intel_edison_pinmode_change(int sysfs, int mode) if (mode < 0 ) { return MRAA_SUCCESS; } - - printf("//EDISON// PINMODE CHANGE - gpio%i changing to mode -%u", sysfs, mode); - char buffer[MAX_SIZE]; snprintf(buffer, MAX_SIZE, SYSFS_PINMODE_PATH "%i/current_pinmux",sysfs); int modef = open(buffer, O_WRONLY); @@ -69,7 +67,6 @@ mraa_intel_edison_pinmode_change(int sysfs, int mode) char mode_buf[MAX_MODE_SIZE]; int length = sprintf(mode_buf, "mode%u",mode); - printf("//EDISON// PIMODE = %s", mode_buf); if (write(modef, mode_buf, length*sizeof(char)) == -1) { return MRAA_ERROR_INVALID_RESOURCE; } @@ -156,6 +153,97 @@ mraa_intel_edison_i2c_init_pre(unsigned int bus) return MRAA_SUCCESS; } +static mraa_result_t +mraa_intel_edison_misc_spi() +{ + mraa_gpio_write(tristate, 0); + + mraa_gpio_context io10_p1 = mraa_gpio_init_raw(263); + mraa_gpio_context io10_p2 = mraa_gpio_init_raw(240); + mraa_gpio_context io11_p1 = mraa_gpio_init_raw(262); + mraa_gpio_context io11_p2 = mraa_gpio_init_raw(241); + mraa_gpio_context io12_p1 = mraa_gpio_init_raw(242); + mraa_gpio_context io13_p1 = mraa_gpio_init_raw(243); + mraa_gpio_dir(io10_p1, MRAA_GPIO_OUT); + mraa_gpio_dir(io10_p2, MRAA_GPIO_OUT); + mraa_gpio_dir(io11_p1, MRAA_GPIO_OUT); + mraa_gpio_dir(io11_p2, MRAA_GPIO_OUT); + mraa_gpio_dir(io12_p1, MRAA_GPIO_OUT); + mraa_gpio_dir(io13_p1, MRAA_GPIO_OUT); + + mraa_gpio_write(io10_p1, 1); + mraa_gpio_write(io10_p2, 0); + mraa_gpio_write(io11_p1, 1); + mraa_gpio_write(io11_p2, 0); + mraa_gpio_write(io12_p1, 0); + mraa_gpio_write(io13_p1, 0); + + mraa_gpio_close(io10_p1); + mraa_gpio_close(io10_p2); + mraa_gpio_close(io11_p1); + mraa_gpio_close(io11_p2); + mraa_gpio_close(io12_p1); + mraa_gpio_close(io13_p1); + + mraa_intel_edison_pinmode_change(111, 1); + mraa_intel_edison_pinmode_change(115, 1); + mraa_intel_edison_pinmode_change(114, 1); + mraa_intel_edison_pinmode_change(109, 1); + mraa_gpio_write(tristate, 1); + + return MRAA_SUCCESS; +} + +mraa_result_t +mraa_intel_edison_aio_get_fp(mraa_aio_context dev) +{ + char file_path[64]= ""; + + snprintf(file_path, 64, "/sys/bus/iio/devices/iio:device1/in_voltage%d_raw", + dev->channel ); + + dev->adc_in_fp = open(file_path, O_RDONLY); + if (dev->adc_in_fp == -1) { + fprintf(stderr, "Failed to open Analog input raw file %s for " + "reading!\n", file_path); return( MRAA_ERROR_INVALID_RESOURCE); + } + + return MRAA_SUCCESS; +} + +mraa_result_t +mraa_intel_edison_aio_init_pre(unsigned int aio) +{ + if (aio > plat->aio_count) { + fprintf(stderr, "Invalid analog input channel\n"); + return MRAA_ERROR_INVALID_RESOURCE; + } + + int pin = 14 + aio; + mraa_gpio_context output_e; + output_e = mraa_gpio_init_raw(outputen[pin]); + if (mraa_gpio_dir(output_e, MRAA_GPIO_OUT) != MRAA_SUCCESS) + return MRAA_ERROR_INVALID_RESOURCE; + if (mraa_gpio_write(output_e, 0) != MRAA_SUCCESS) + return MRAA_ERROR_INVALID_RESOURCE; + mraa_gpio_close(output_e); + + mraa_gpio_context pullup_pin; + pullup_pin = mraa_gpio_init_raw(pullup_map[pin]); + if (mraa_gpio_dir(pullup_pin, MRAA_GPIO_IN) != MRAA_SUCCESS) + return MRAA_ERROR_INVALID_RESOURCE; + mraa_gpio_close(pullup_pin); + + return MRAA_SUCCESS; +} + +mraa_result_t +mraa_intel_edison_aio_init_post(mraa_aio_context dev) +{ + mraa_gpio_write(tristate, 1); + return MRAA_SUCCESS; +} + mraa_board_t* mraa_intel_edison_fab_c() { @@ -171,6 +259,9 @@ mraa_intel_edison_fab_c() advance_func->gpio_init_post = &mraa_intel_edison_gpio_init_post; advance_func->gpio_dir_post = &mraa_intel_edison_gpio_dir_post; advance_func->i2c_init_pre = &mraa_intel_edison_i2c_init_pre; + advance_func->aio_get_valid_fp = &mraa_intel_edison_aio_get_fp; + advance_func->aio_init_pre = &mraa_intel_edison_aio_init_pre; + advance_func->aio_init_post = &mraa_intel_edison_aio_init_post; b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t)*MRAA_INTEL_EDISON_PINCOUNT); @@ -181,6 +272,7 @@ mraa_intel_edison_fab_c() return NULL; } mraa_gpio_dir(tristate, MRAA_GPIO_OUT); + mraa_intel_edison_misc_spi(); strncpy(b->pins[0].name, "IO0", 8); b->pins[0].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0}; @@ -278,19 +370,55 @@ mraa_intel_edison_fab_c() b->pins[13].gpio.mux[0].pin = 243; b->pins[13].gpio.mux[0].value = 0; + strncpy(b->pins[14].name, "A0", 8); + b->pins[14].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,0,1,0}; + b->pins[14].aio.pinmap = 0; + b->pins[14].aio.mux_total = 1; + b->pins[14].aio.mux[0].pin = 200; + b->pins[14].aio.mux[0].value = 1; + + strncpy(b->pins[15].name, "A1", 8); + b->pins[15].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,0,1,0}; + b->pins[15].aio.pinmap = 1; + b->pins[15].aio.mux_total = 1; + b->pins[15].aio.mux[0].pin = 201; + b->pins[15].aio.mux[0].value = 1; + + strncpy(b->pins[16].name, "A2", 8); + b->pins[16].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,0,1,0}; + b->pins[16].aio.pinmap = 2; + b->pins[16].aio.mux_total = 1; + b->pins[16].aio.mux[0].pin = 202; + b->pins[16].aio.mux[0].value = 1; + + strncpy(b->pins[17].name, "A3", 8); + b->pins[17].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,0,1,0}; + b->pins[17].aio.pinmap = 3; + b->pins[17].aio.mux_total = 1; + b->pins[17].aio.mux[0].pin = 203; + b->pins[17].aio.mux[0].value = 1; + strncpy(b->pins[18].name, "A4", 8); - b->pins[18].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,1,0}; + b->pins[18].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,1,1,0}; b->pins[18].i2c.pinmap = 1; b->pins[18].i2c.mux_total = 1; b->pins[18].i2c.mux[0].pin = 204; b->pins[18].i2c.mux[0].value = 0; + b->pins[18].aio.pinmap = 4; + b->pins[18].aio.mux_total = 1; + b->pins[18].aio.mux[0].pin = 204; + b->pins[18].aio.mux[0].value = 1; strncpy(b->pins[19].name, "A5", 8); - b->pins[19].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,1,0}; + b->pins[19].capabilites = (mraa_pincapabilities_t) {1,0,0,0,0,1,1,0}; b->pins[19].i2c.pinmap = 1; b->pins[19].i2c.mux_total = 1; b->pins[19].i2c.mux[0].pin = 205; b->pins[19].i2c.mux[0].value = 0; + b->pins[19].aio.pinmap = 5; + b->pins[19].aio.mux_total = 1; + b->pins[19].aio.mux[0].pin = 205; + b->pins[19].aio.mux[0].value = 1; //BUS DEFINITIONS b->i2c_bus_count = 9;