/* * Author: Brendan Le Foll * Author: Thomas Ingleby * Copyright (c) 2014 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include #include #include "common.h" #include "intel_galileo_rev_g.h" #define MAX_SIZE 64 mraa_result_t mraa_intel_galileo_gen2_dir_pre(mraa_gpio_context dev, gpio_dir_t dir) { if (dev->phy_pin >= 0) { int pin = dev->phy_pin; if (plat->pins[pin].gpio.complex_cap.complex_pin != 1) return MRAA_SUCCESS; if (plat->pins[pin].gpio.complex_cap.output_en == 1) { mraa_gpio_context output_e; output_e = mraa_gpio_init_raw(plat->pins[pin].gpio.output_enable); if (mraa_gpio_dir(output_e, MRAA_GPIO_OUT) != MRAA_SUCCESS) return MRAA_ERROR_INVALID_RESOURCE; int output_val = 1; if (dir == MRAA_GPIO_OUT) output_val = 0; if (mraa_gpio_write(output_e, output_val) != MRAA_SUCCESS) return MRAA_ERROR_INVALID_RESOURCE; } } 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_result_t mraa_intel_galileo_gen2_pwm_period_replace(mraa_pwm_context dev, int period) { char bu[MAX_SIZE]; snprintf(bu,MAX_SIZE ,"/sys/class/pwm/pwmchip%d/device/pwm_period", dev->chipid); int period_f = open(bu, O_RDWR); if (period_f == -1) { fprintf(stderr, "Failed to open period for writing!\n"); return MRAA_ERROR_INVALID_RESOURCE; } char out[MAX_SIZE]; int length = snprintf(out, MAX_SIZE, "%d", period); if (write(period_f, out, length*sizeof(char)) == -1) { close(period_f); return MRAA_ERROR_INVALID_RESOURCE; } close(period_f); return MRAA_SUCCESS; } mraa_board_t* mraa_intel_galileo_gen2() { mraa_board_t* b = (mraa_board_t*) malloc(sizeof(mraa_board_t)); if (b == NULL) return NULL; b->phy_pin_count = 20; b->gpio_count = 14; b->aio_count = 6; b->adc_raw = 12; 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; advance_func->pwm_period_replace = &mraa_intel_galileo_gen2_pwm_period_replace; b->pins = (mraa_pininfo_t*) malloc(sizeof(mraa_pininfo_t)*MRAA_INTEL_GALILEO_GEN_2_PINCOUNT); strncpy(b->pins[0].name, "IO0", 8); b->pins[0].capabilites = (mraa_pincapabilities_t) {1,1,0,1,0,0,0}; b->pins[0].gpio.pinmap = 11; b->pins[0].gpio.parent_id = 0; b->pins[0].gpio.mux_total = 0; b->pins[0].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[0].gpio.output_enable = 32; b->pins[0].gpio.pullup_enable = 33; b->pins[0].mmap.gpio.pinmap = 11; strncpy(b->pins[0].mmap.mem_dev, "/dev/uio0", 12); b->pins[0].mmap.gpio.mux_total = 2; b->pins[0].mmap.gpio.mux[0].pin = 32; b->pins[0].mmap.gpio.mux[0].value = 0; b->pins[0].mmap.gpio.mux[1].pin = 11; b->pins[0].mmap.gpio.mux[1].value = 0; b->pins[0].mmap.mem_sz = 0x1000; b->pins[0].mmap.bit_pos = 3; strncpy(b->pins[1].name, "IO1", 8); b->pins[1].capabilites = (mraa_pincapabilities_t) {1,1,0,1,0,0,0}; b->pins[1].gpio.pinmap = 12; b->pins[1].gpio.parent_id = 0; b->pins[1].gpio.mux_total = 1; b->pins[1].gpio.mux[0].pin = 45; b->pins[1].gpio.mux[0].value = 0; b->pins[1].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[1].gpio.output_enable = 28; b->pins[1].gpio.pullup_enable = 29; b->pins[1].mmap.gpio.pinmap = 12; strncpy(b->pins[1].mmap.mem_dev, "/dev/uio0", 12); b->pins[1].mmap.gpio.mux_total = 3; b->pins[1].mmap.gpio.mux[0].pin = 45; b->pins[1].mmap.gpio.mux[0].value = 0; b->pins[1].mmap.gpio.mux[1].pin = 28; b->pins[1].mmap.gpio.mux[1].value = 0; b->pins[1].mmap.gpio.mux[2].pin = 12; b->pins[1].mmap.gpio.mux[2].value = 0; b->pins[1].mmap.mem_sz = 0x1000; b->pins[1].mmap.bit_pos = 4; strncpy(b->pins[2].name, "IO2", 8); b->pins[2].capabilites = (mraa_pincapabilities_t) {1,1,0,1,0,0,0}; b->pins[2].gpio.pinmap = 13; b->pins[2].gpio.parent_id = 0; b->pins[2].gpio.mux_total = 1; b->pins[2].gpio.mux[0].pin = 77; b->pins[2].gpio.mux[0].value = 0; b->pins[2].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[2].gpio.output_enable = 34; b->pins[2].gpio.pullup_enable = 35; b->pins[2].mmap.gpio.pinmap = 13; strncpy(b->pins[2].mmap.mem_dev, "/dev/uio0", 12); b->pins[2].mmap.gpio.mux_total = 3; b->pins[2].mmap.gpio.mux[0].pin = 77; b->pins[2].mmap.gpio.mux[0].value = 0; b->pins[2].mmap.gpio.mux[1].pin = 34; b->pins[2].mmap.gpio.mux[1].value = 0; b->pins[2].mmap.gpio.mux[2].pin = 13; b->pins[2].mmap.gpio.mux[2].value = 0; b->pins[2].mmap.mem_sz = 0x1000; b->pins[2].mmap.bit_pos = 5; strncpy(b->pins[3].name, "IO3", 8); b->pins[3].capabilites = (mraa_pincapabilities_t) {1,1,1,1,0,0,0}; b->pins[3].gpio.pinmap = 14; b->pins[3].gpio.parent_id = 0; b->pins[3].gpio.mux_total = 2; b->pins[3].gpio.mux[0].pin = 76; b->pins[3].gpio.mux[0].value = 0; b->pins[3].gpio.mux[1].pin = 64; b->pins[3].gpio.mux[1].value = 0; b->pins[3].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[3].gpio.output_enable = 16; b->pins[3].gpio.pullup_enable = 17; b->pins[3].pwm.pinmap = 1; b->pins[3].pwm.parent_id = 0; b->pins[3].pwm.mux_total = 3; b->pins[3].pwm.mux[0].pin = 76; b->pins[3].pwm.mux[0].value = 0; b->pins[3].pwm.mux[1].pin = 64; b->pins[3].pwm.mux[1].value = 1; b->pins[3].pwm.mux[2].pin = 16; b->pins[3].pwm.mux[2].value = 0; b->pins[3].mmap.gpio.pinmap = 14; strncpy(b->pins[3].mmap.mem_dev, "/dev/uio0", 12); b->pins[3].mmap.gpio.mux_total = 4; b->pins[3].mmap.gpio.mux[0].pin = 76; b->pins[3].mmap.gpio.mux[0].value = 0; b->pins[3].mmap.gpio.mux[1].pin = 64; b->pins[3].mmap.gpio.mux[1].value = 0; b->pins[3].mmap.gpio.mux[2].pin = 16; b->pins[3].mmap.gpio.mux[2].value = 0; b->pins[3].mmap.gpio.mux[3].pin = 14; b->pins[3].mmap.gpio.mux[3].value = 0; b->pins[3].mmap.mem_sz = 0x1000; b->pins[3].mmap.bit_pos = 6; strncpy(b->pins[4].name, "IO4", 8); b->pins[4].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0}; b->pins[4].gpio.pinmap = 6; b->pins[4].gpio.parent_id = 0; b->pins[4].gpio.mux_total = 0; b->pins[4].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[4].gpio.output_enable = 36; b->pins[4].gpio.pullup_enable = 37; strncpy(b->pins[5].name, "IO5", 8); b->pins[5].capabilites = (mraa_pincapabilities_t) {1,1,1,0,0,0,0}; b->pins[5].gpio.pinmap = 0; b->pins[5].gpio.parent_id = 0; b->pins[5].gpio.mux_total = 1; b->pins[5].gpio.mux[0].pin = 66; b->pins[5].gpio.mux[0].value = 0; b->pins[5].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[5].gpio.output_enable = 18; b->pins[5].gpio.pullup_enable = 19; b->pins[5].pwm.pinmap = 3; b->pins[5].pwm.parent_id = 0; b->pins[5].pwm.mux_total = 2; b->pins[5].pwm.mux[0].pin = 66; b->pins[5].pwm.mux[0].value = 1; b->pins[5].pwm.mux[1].pin = 18; b->pins[5].pwm.mux[1].value = 0; strncpy(b->pins[6].name, "IO6", 8); b->pins[6].capabilites = (mraa_pincapabilities_t) {1,1,1,0,0,0,0}; b->pins[6].gpio.pinmap = 1; b->pins[6].gpio.parent_id = 0; b->pins[6].gpio.mux_total = 1; b->pins[6].gpio.mux[0].pin = 68; b->pins[6].gpio.mux[0].value = 0; b->pins[6].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[6].gpio.output_enable = 20; b->pins[6].gpio.pullup_enable = 21; b->pins[6].pwm.pinmap = 5; b->pins[6].pwm.parent_id = 0; b->pins[6].pwm.mux_total = 2; b->pins[6].pwm.mux[0].pin = 68; b->pins[6].pwm.mux[0].value = 1; b->pins[6].pwm.mux[1].pin = 20; b->pins[6].pwm.mux[1].value = 0; strncpy(b->pins[7].name, "IO7", 8); b->pins[7].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0}; b->pins[7].gpio.pinmap = 38; b->pins[7].gpio.parent_id = 0; b->pins[7].gpio.mux_total = 0; b->pins[7].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[7].gpio.pullup_enable = 39; strncpy(b->pins[8].name, "IO8", 8); b->pins[8].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,0}; b->pins[8].gpio.pinmap = 40; b->pins[8].gpio.parent_id = 0; b->pins[8].gpio.mux_total = 0; b->pins[8].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[8].gpio.pullup_enable = 41; strncpy(b->pins[9].name, "IO9", 8); b->pins[9].capabilites = (mraa_pincapabilities_t) {1,1,1,0,0,0,0}; b->pins[9].gpio.pinmap = 4; b->pins[9].gpio.parent_id = 0; b->pins[9].gpio.mux_total = 1; b->pins[9].gpio.mux[0].pin = 70; b->pins[9].gpio.mux[0].value = 0; b->pins[9].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[9].gpio.output_enable = 22; b->pins[9].gpio.pullup_enable = 23; b->pins[9].pwm.pinmap = 7; b->pins[9].pwm.parent_id = 0; b->pins[9].pwm.mux_total = 2; b->pins[9].pwm.mux[0].pin = 70; b->pins[9].pwm.mux[0].value = 1; b->pins[9].pwm.mux[1].pin = 22; b->pins[9].pwm.mux[1].value = 0; strncpy(b->pins[10].name, "IO10", 8); b->pins[10].capabilites = (mraa_pincapabilities_t) {1,1,1,1,0,0,0}; b->pins[10].gpio.pinmap = 10; b->pins[10].gpio.parent_id = 0; b->pins[10].gpio.mux_total = 1; b->pins[10].gpio.mux[0].pin = 74; b->pins[10].gpio.mux[0].value = 0; b->pins[10].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[10].gpio.output_enable = 26; b->pins[10].gpio.pullup_enable = 27; b->pins[10].pwm.pinmap = 11; b->pins[10].pwm.parent_id = 0; b->pins[10].pwm.mux_total = 2; b->pins[10].pwm.mux[0].pin = 74; b->pins[10].pwm.mux[0].value = 1; b->pins[10].pwm.mux[1].pin = 26; b->pins[10].pwm.mux[1].value = 0; b->pins[10].mmap.gpio.pinmap = 10; strncpy(b->pins[10].mmap.mem_dev, "/dev/uio0", 12); b->pins[10].mmap.gpio.mux_total = 3; b->pins[10].mmap.gpio.mux[0].pin = 74; b->pins[10].mmap.gpio.mux[0].value = 0; b->pins[10].mmap.gpio.mux[1].pin = 26; b->pins[10].mmap.gpio.mux[1].value = 0; b->pins[10].mmap.gpio.mux[2].pin = 10; b->pins[10].mmap.gpio.mux[2].value = 0; b->pins[10].mmap.mem_sz = 0x1000; b->pins[10].mmap.bit_pos = 2; strncpy(b->pins[11].name, "IO11", 8); b->pins[11].capabilites = (mraa_pincapabilities_t) {1,1,1,0,1,0,0}; b->pins[11].gpio.pinmap = 5; b->pins[11].gpio.parent_id = 0; b->pins[11].gpio.mux_total = 2; b->pins[11].gpio.mux[0].pin = 72; b->pins[11].gpio.mux[0].value = 0; b->pins[11].gpio.mux[1].pin = 44; b->pins[11].gpio.mux[1].value = 0; b->pins[11].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[11].gpio.output_enable = 24; b->pins[11].gpio.pullup_enable = 25; b->pins[11].pwm.pinmap = 9; b->pins[11].pwm.parent_id = 0; b->pins[11].pwm.mux_total = 3; b->pins[11].pwm.mux[0].pin = 72; b->pins[11].pwm.mux[0].value = 1; b->pins[11].pwm.mux[1].pin = 44; b->pins[11].pwm.mux[1].value = 0; b->pins[11].pwm.mux[2].pin = 24; b->pins[11].pwm.mux[2].value = 0; b->pins[11].spi.pinmap = 1; b->pins[11].spi.mux_total = 3; b->pins[11].spi.mux[0].pin = 72; b->pins[11].spi.mux[0].value = 0; b->pins[11].spi.mux[1].pin = 44; b->pins[11].spi.mux[2].value = 1; b->pins[11].pwm.mux[2].pin = 24; b->pins[11].pwm.mux[2].value = 0; strncpy(b->pins[12].name, "IO12", 8); b->pins[12].capabilites = (mraa_pincapabilities_t) {1,1,0,1,1,0,0}; b->pins[12].gpio.pinmap = 15; b->pins[12].gpio.parent_id = 0; b->pins[12].gpio.mux_total = 0; b->pins[12].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[12].gpio.output_enable = 42; b->pins[12].gpio.pullup_enable = 43; b->pins[12].spi.pinmap = 1; b->pins[12].spi.mux_total = 1; b->pins[12].spi.mux[0].pin = 42; b->pins[12].spi.mux[0].value = 1; b->pins[12].mmap.gpio.pinmap = 15; strncpy(b->pins[12].mmap.mem_dev, "/dev/uio0", 12); b->pins[12].mmap.gpio.mux_total = 2; b->pins[12].mmap.gpio.mux[0].pin = 42; b->pins[12].mmap.gpio.mux[0].value = 0; b->pins[12].mmap.gpio.mux[1].pin = 15; b->pins[12].mmap.gpio.mux[1].value = 0; b->pins[12].mmap.mem_sz = 0x1000; b->pins[12].mmap.bit_pos = 7; strncpy(b->pins[13].name, "IO13", 8); b->pins[13].capabilites = (mraa_pincapabilities_t) {1,1,0,0,1,0,0}; b->pins[13].gpio.pinmap = 7; b->pins[13].gpio.parent_id = 0; b->pins[13].gpio.mux_total = 1; b->pins[13].gpio.mux[0].pin = 46; b->pins[13].gpio.mux[0].value = 0; b->pins[13].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,1,0,1,1}; b->pins[13].gpio.output_enable = 30; b->pins[13].gpio.pullup_enable = 31; b->pins[13].spi.pinmap = 1; b->pins[13].spi.mux_total = 2; b->pins[13].spi.mux[0].pin = 46; b->pins[13].spi.mux[0].value = 1; b->pins[13].spi.mux[1].pin = 30; b->pins[13].spi.mux[1].value = 0; //ANALOG strncpy(b->pins[14].name, "A0", 8); b->pins[14].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,1}; b->pins[14].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[14].gpio.pullup_enable = 49; b->pins[14].aio.pinmap = 0; b->pins[14].aio.mux_total = 1; b->pins[14].aio.mux[0].pin = 49; b->pins[14].aio.mux[0].value = 1; b->pins[14].gpio.pinmap = 48; b->pins[14].gpio.mux_total = 0; strncpy(b->pins[15].name, "A1", 8); b->pins[15].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,1}; b->pins[15].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[15].gpio.pullup_enable = 51; b->pins[15].aio.pinmap = 1; b->pins[15].aio.mux[0].pin = 51; b->pins[15].aio.mux[0].value = 1; b->pins[15].aio.mux_total = 0; b->pins[15].gpio.pinmap = 50; b->pins[15].gpio.mux_total = 0; strncpy(b->pins[16].name, "A2", 8); b->pins[16].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,1}; b->pins[16].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[16].gpio.pullup_enable = 53; b->pins[16].aio.pinmap = 2; b->pins[16].aio.mux_total = 1; b->pins[16].aio.mux[0].pin = 53; b->pins[16].aio.mux[0].value = 1; b->pins[16].gpio.pinmap = 52; b->pins[16].gpio.mux_total = 0; strncpy(b->pins[17].name, "A3", 8); b->pins[17].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,0,1}; b->pins[17].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[17].gpio.pullup_enable = 55; b->pins[17].aio.pinmap = 3; b->pins[17].aio.mux_total = 1; b->pins[17].aio.mux[0].pin = 55; b->pins[17].aio.mux[0].value = 1; b->pins[17].gpio.pinmap = 54; b->pins[17].gpio.mux_total = 0; strncpy(b->pins[18].name, "A4", 8); b->pins[18].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,1,1}; b->pins[18].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[18].gpio.pullup_enable = 57; b->pins[18].i2c.pinmap = 1; b->pins[18].i2c.mux_total = 1; b->pins[18].i2c.mux[0].pin = 60; b->pins[18].i2c.mux[0].value = 0; b->pins[18].aio.pinmap = 4; b->pins[18].aio.mux_total = 3; b->pins[18].aio.mux[0].pin = 60; b->pins[18].aio.mux[0].value = 1; b->pins[18].aio.mux[1].pin = 78; b->pins[18].aio.mux[1].value = 0; b->pins[18].aio.mux[2].pin = 57; b->pins[18].aio.mux[2].value = 0; b->pins[18].gpio.pinmap = 56; b->pins[18].gpio.mux_total = 2; b->pins[18].gpio.mux[0].pin = 60; b->pins[18].gpio.mux[0].value = 1; b->pins[18].gpio.mux[1].pin = 78; b->pins[18].gpio.mux[1].value = 1; strncpy(b->pins[19].name, "A5", 8); b->pins[19].capabilites = (mraa_pincapabilities_t) {1,1,0,0,0,1,1}; b->pins[19].gpio.complex_cap = (mraa_pin_cap_complex_t) {1,0,0,1,1}; b->pins[19].gpio.pullup_enable = 59; b->pins[19].i2c.pinmap = 1; b->pins[19].i2c.mux_total = 1; b->pins[19].i2c.mux[0].pin = 60; b->pins[19].i2c.mux[0].value = 0; b->pins[19].aio.pinmap = 5; b->pins[19].aio.mux_total = 3; b->pins[19].aio.mux[0].pin = 60; b->pins[19].aio.mux[0].value = 1; b->pins[19].aio.mux[1].pin = 79; b->pins[19].aio.mux[1].value = 0; b->pins[19].aio.mux[2].pin = 59; b->pins[19].aio.mux[2].value = 1; b->pins[19].gpio.pinmap = 58; b->pins[19].gpio.mux_total = 2; b->pins[19].gpio.mux[0].pin = 60; b->pins[19].gpio.mux[0].value = 1; b->pins[19].gpio.mux[1].pin = 79; b->pins[19].gpio.mux[1].value = 1; //BUS DEFINITIONS b->i2c_bus_count = 1; b->def_i2c_bus = 0; b->i2c_bus[0].bus_id = 0; b->i2c_bus[0].sda = 18; b->i2c_bus[0].scl = 19; b->spi_bus_count = 1; b->def_spi_bus = 0; b->spi_bus[0].bus_id = 1; b->spi_bus[0].slave_s = 0; b->spi_bus[0].cs = 10; b->spi_bus[0].mosi = 11; b->spi_bus[0].miso = 12; b->spi_bus[0].sclk = 13; return b; }