diff options
Diffstat (limited to 'peripheral/libmraa/src/x86/intel_edison_fab_c.c')
| -rw-r--r-- | peripheral/libmraa/src/x86/intel_edison_fab_c.c | 1613 |
1 files changed, 0 insertions, 1613 deletions
diff --git a/peripheral/libmraa/src/x86/intel_edison_fab_c.c b/peripheral/libmraa/src/x86/intel_edison_fab_c.c deleted file mode 100644 index 643616b..0000000 --- a/peripheral/libmraa/src/x86/intel_edison_fab_c.c +++ /dev/null @@ -1,1613 +0,0 @@ -/* - * Author: Thomas Ingleby <thomas.c.ingleby@intel.com> - * Brendan Le Foll <brendan.le.foll@intel.com> - * Copyright (c) 2014-2016 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 <stdlib.h> -#include <string.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <sys/ioctl.h> -#include <linux/spi/spidev.h> -#include <errno.h> - -#include "common.h" -#include "x86/intel_edison_fab_c.h" - -#define PLATFORM_NAME "Intel Edison" -#define SYSFS_CLASS_GPIO "/sys/class/gpio" -#define DEBUGFS_PINMODE_PATH "/sys/kernel/debug/gpio_debug/gpio" -#define MAX_SIZE 64 -#define MAX_MODE_SIZE 8 - -// This is an absolute path to a resource file found within sysfs. -// Might not always be correct. First thing to check if mmap stops -// working. Check the device for 0x1199 and Intel Vendor (0x8086) -#define MMAP_PATH "/sys/devices/pci0000:00/0000:00:0c.0/resource0" -#define UART_DEV_PATH "/dev/ttyMFD1" - -typedef struct { - int sysfs; - int mode; -} mraa_intel_edision_pindef_t; - -typedef struct { - mraa_intel_edision_pindef_t gpio; - mraa_intel_edision_pindef_t pwm; - mraa_intel_edision_pindef_t i2c; - mraa_intel_edision_pindef_t spi; - mraa_intel_edision_pindef_t uart; -} mraa_intel_edison_pinmodes_t; - -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 mraa_gpio_context agpioOutputen[sizeof(outputen) / sizeof(outputen[0])]; - -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 int miniboard = 0; - -// MMAP -static uint8_t* mmap_reg = NULL; -static int mmap_fd = 0; -static int mmap_size; -static unsigned int mmap_count = 0; - -mraa_result_t -mraa_intel_edison_spi_lsbmode_replace(mraa_spi_context dev, mraa_boolean_t lsb) -{ - uint8_t lsb_mode = (uint8_t) lsb; - - // Edison doesn't support LSB_FIRST, we need to react appropriately - if (!lsb) { - if (ioctl(dev->devfd, SPI_IOC_WR_LSB_FIRST, &lsb_mode) < 0) { - syslog(LOG_ERR, "spi: Failed to set bit order"); - return MRAA_ERROR_INVALID_RESOURCE; - } - if (ioctl(dev->devfd, SPI_IOC_RD_LSB_FIRST, &lsb_mode) < 0) { - syslog(LOG_ERR, "spi: Failed to set bit order"); - return MRAA_ERROR_INVALID_RESOURCE; - } - } else { - return MRAA_ERROR_FEATURE_NOT_SUPPORTED; - } - - dev->lsb = lsb; - return MRAA_SUCCESS; -} - -static mraa_result_t -mraa_intel_edison_pinmode_change(int sysfs, int mode) -{ - if (mode < 0) { - return MRAA_SUCCESS; - } - - char buffer[MAX_SIZE]; - int useDebugFS = 0; - - mraa_gpio_context mode_gpio = mraa_gpio_init_raw(sysfs); - if (mode_gpio == NULL) { - return MRAA_ERROR_NO_RESOURCES; - } - - // first try SYSFS_CLASS_GPIO path - snprintf(buffer, MAX_SIZE, SYSFS_CLASS_GPIO "/gpio%i/pinmux", sysfs); - int modef = open(buffer, O_WRONLY); - if (modef == -1) { - snprintf(buffer, MAX_SIZE, DEBUGFS_PINMODE_PATH "%i/current_pinmux", sysfs); - modef = open(buffer, O_WRONLY); - useDebugFS = 1; - } - - if (modef == -1) { - syslog(LOG_ERR, "edison: Failed to open SoC pinmode for opening"); - mraa_gpio_close(mode_gpio); - return MRAA_ERROR_INVALID_RESOURCE; - } - - mraa_result_t ret = MRAA_SUCCESS; - char mode_buf[MAX_MODE_SIZE]; - int length = snprintf(mode_buf, MAX_MODE_SIZE, "%s%u", useDebugFS ? "mode" : "", mode); - if (write(modef, mode_buf, length * sizeof(char)) == -1) { - ret = MRAA_ERROR_INVALID_RESOURCE; - } - close(modef); - mraa_gpio_close(mode_gpio); - - return ret; -} - -mraa_result_t -mraa_intel_edison_gpio_dir_pre(mraa_gpio_context dev, mraa_gpio_dir_t dir) -{ - - if (dev->phy_pin >= 0) { - if (mraa_gpio_write(tristate, 0) != MRAA_SUCCESS) { - // call can sometimes fail, this does not actually mean much except - // that the kernel drivers don't always behave very well - syslog(LOG_NOTICE, "edison: Failed to write to tristate"); - } - int pin = dev->phy_pin; - - if (!agpioOutputen[pin]) { - agpioOutputen[pin] = mraa_gpio_init_raw(outputen[pin]); - if (agpioOutputen[pin] == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(agpioOutputen[pin], MRAA_GPIO_OUT) != MRAA_SUCCESS) { - return MRAA_ERROR_INVALID_RESOURCE; - } - } - int output_val = 0; - if (dir == MRAA_GPIO_OUT) { - output_val = 1; - } - if (mraa_gpio_write(agpioOutputen[pin], output_val) != MRAA_SUCCESS) { - return MRAA_ERROR_INVALID_RESOURCE; - } - } - - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_gpio_dir_post(mraa_gpio_context dev, mraa_gpio_dir_t dir) -{ - if (dev->phy_pin >= 0) { - return mraa_gpio_write(tristate, 1); - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_gpio_init_post(mraa_gpio_context dev) -{ - if (dev == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - - int sysfs, mode; - if (miniboard == 1) { - sysfs = dev->pin; - mode = 0; - } else { - sysfs = pinmodes[dev->phy_pin].gpio.sysfs; - mode = pinmodes[dev->phy_pin].gpio.mode; - } - - return mraa_intel_edison_pinmode_change(sysfs, mode); -} - -mraa_result_t -mraa_intel_edison_gpio_close_pre(mraa_gpio_context dev) -{ - if (dev->phy_pin >= 0) { - int pin = dev->phy_pin; - if (agpioOutputen[pin]) { - mraa_gpio_close(agpioOutputen[pin]); - agpioOutputen[pin] = NULL; - } - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_i2c_init_pre(unsigned int bus) -{ - if (miniboard == 0) { - if (bus != 6) { - syslog(LOG_ERR, "edison: You can't use that bus, switching to bus 6"); - bus = 6; - } - mraa_gpio_write(tristate, 0); - mraa_gpio_context io18_gpio = mraa_gpio_init_raw(14); - mraa_gpio_context io19_gpio = mraa_gpio_init_raw(165); - mraa_gpio_dir(io18_gpio, MRAA_GPIO_IN); - mraa_gpio_dir(io19_gpio, MRAA_GPIO_IN); - mraa_gpio_close(io18_gpio); - mraa_gpio_close(io19_gpio); - - mraa_gpio_context io18_enable = mraa_gpio_init_raw(236); - mraa_gpio_context io19_enable = mraa_gpio_init_raw(237); - mraa_gpio_dir(io18_enable, MRAA_GPIO_OUT); - mraa_gpio_dir(io19_enable, MRAA_GPIO_OUT); - mraa_gpio_write(io18_enable, 0); - mraa_gpio_write(io19_enable, 0); - mraa_gpio_close(io18_enable); - mraa_gpio_close(io19_enable); - - mraa_gpio_context io18_pullup = mraa_gpio_init_raw(212); - mraa_gpio_context io19_pullup = mraa_gpio_init_raw(213); - mraa_gpio_dir(io18_pullup, MRAA_GPIO_IN); - mraa_gpio_dir(io19_pullup, MRAA_GPIO_IN); - mraa_gpio_close(io18_pullup); - mraa_gpio_close(io19_pullup); - - mraa_intel_edison_pinmode_change(28, 1); - mraa_intel_edison_pinmode_change(27, 1); - - mraa_gpio_write(tristate, 1); - } else { - if (bus != 6 && bus != 1) { - syslog(LOG_ERR, "edison: You can't use that bus, switching to bus 6"); - bus = 6; - } - int scl = plat->pins[plat->i2c_bus[bus].scl].gpio.pinmap; - int sda = plat->pins[plat->i2c_bus[bus].sda].gpio.pinmap; - mraa_intel_edison_pinmode_change(sda, 1); - mraa_intel_edison_pinmode_change(scl, 1); - } - - return MRAA_SUCCESS; -} - -static mraa_result_t -mraa_intel_edison_misc_spi() -{ - // These arrays must have same length - static const int gpio_pin_list[] = {263, 240, 262, 241, 242, 243}; - static int pin_num = sizeof(gpio_pin_list) / sizeof(int); - static const int gpio_val_list[] = {1, 0, 1, 0, 0, 0}; - static const int gpio_dir_list[] = {MRAA_GPIO_OUT, MRAA_GPIO_OUT, - MRAA_GPIO_OUT, MRAA_GPIO_OUT, - MRAA_GPIO_OUT, MRAA_GPIO_OUT}; - int i; - mraa_result_t ret; - - MRAA_RETURN_FOR_ERROR(mraa_gpio_write(tristate, 0)); - - for (i = 0; i < pin_num; i++) { - mraa_gpio_context io = mraa_gpio_init_raw(gpio_pin_list[i]); - if (io != NULL) { - ret = mraa_gpio_dir(io, gpio_dir_list[i]); - if (ret == MRAA_SUCCESS) { - ret = mraa_gpio_write(io, gpio_val_list[i]); - } - - //Don't care return value of close() - mraa_gpio_close(io); - MRAA_RETURN_FOR_ERROR(ret); - } else { - syslog(LOG_ERR, "edison: Failed to init raw gpio %d!",gpio_pin_list[i]); - return MRAA_ERROR_NO_RESOURCES; - } - } - - MRAA_RETURN_FOR_ERROR(mraa_intel_edison_pinmode_change(115, 1)); - MRAA_RETURN_FOR_ERROR(mraa_intel_edison_pinmode_change(114, 1)); - MRAA_RETURN_FOR_ERROR(mraa_intel_edison_pinmode_change(109, 1)); - MRAA_RETURN_FOR_ERROR(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) { - syslog(LOG_ERR, "edison: Failed to open Analog input raw file %s for " - "reading!", - 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) { - syslog(LOG_ERR, "edison: Invalid analog input channel"); - return MRAA_ERROR_INVALID_RESOURCE; - } - - int pin = 14 + aio; - mraa_gpio_context output_e; - output_e = mraa_gpio_init_raw(outputen[pin]); - if (output_e == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(output_e, MRAA_GPIO_OUT) != MRAA_SUCCESS) { - mraa_gpio_close(output_e); - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_write(output_e, 0) != MRAA_SUCCESS) { - mraa_gpio_close(output_e); - 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 (pullup_pin == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(pullup_pin, MRAA_GPIO_IN) != MRAA_SUCCESS) { - mraa_gpio_close(pullup_pin); - 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) -{ - return mraa_gpio_write(tristate, 1); -} - -mraa_result_t -mraa_intel_edison_pwm_init_pre(int pin) -{ - if (miniboard == 1) { - return mraa_intel_edison_pinmode_change(plat->pins[pin].gpio.pinmap, 1); - } - if (pin < 0 || pin > 19) { - return MRAA_ERROR_INVALID_RESOURCE; - } - - if (!plat->pins[pin].capabilites.pwm) { - return MRAA_ERROR_INVALID_RESOURCE; - } - - mraa_gpio_context output_e; - output_e = mraa_gpio_init_raw(outputen[pin]); - if (output_e == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(output_e, MRAA_GPIO_OUT) != MRAA_SUCCESS) { - mraa_gpio_close(output_e); - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_write(output_e, 1) != MRAA_SUCCESS) { - mraa_gpio_close(output_e); - 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 (pullup_pin == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(pullup_pin, MRAA_GPIO_IN) != MRAA_SUCCESS) { - mraa_gpio_close(pullup_pin); - return MRAA_ERROR_INVALID_RESOURCE; - } - mraa_gpio_close(pullup_pin); - mraa_intel_edison_pinmode_change(plat->pins[pin].gpio.pinmap, 1); - - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_pwm_init_post(mraa_pwm_context pwm) -{ - return mraa_gpio_write(tristate, 1); -} - -mraa_result_t -mraa_intel_edison_spi_init_pre(int bus) -{ - if (miniboard == 1) { - mraa_intel_edison_pinmode_change(115, 1); - mraa_intel_edison_pinmode_change(114, 1); - mraa_intel_edison_pinmode_change(109, 1); - return MRAA_SUCCESS; - } - - mraa_gpio_write(tristate, 0); - - mraa_gpio_context io10_out = mraa_gpio_init_raw(258); - mraa_gpio_context io11_out = mraa_gpio_init_raw(259); - mraa_gpio_context io12_out = mraa_gpio_init_raw(260); - mraa_gpio_context io13_out = mraa_gpio_init_raw(261); - mraa_gpio_dir(io10_out, MRAA_GPIO_OUT); - mraa_gpio_dir(io11_out, MRAA_GPIO_OUT); - mraa_gpio_dir(io12_out, MRAA_GPIO_OUT); - mraa_gpio_dir(io13_out, MRAA_GPIO_OUT); - - mraa_gpio_write(io10_out, 1); - mraa_gpio_write(io11_out, 1); - mraa_gpio_write(io12_out, 0); - mraa_gpio_write(io13_out, 1); - - mraa_gpio_close(io10_out); - mraa_gpio_close(io11_out); - mraa_gpio_close(io12_out); - mraa_gpio_close(io13_out); - - mraa_gpio_context io10_pull = mraa_gpio_init_raw(226); - mraa_gpio_context io11_pull = mraa_gpio_init_raw(227); - mraa_gpio_context io12_pull = mraa_gpio_init_raw(228); - mraa_gpio_context io13_pull = mraa_gpio_init_raw(229); - - mraa_gpio_dir(io10_pull, MRAA_GPIO_IN); - mraa_gpio_dir(io11_pull, MRAA_GPIO_IN); - mraa_gpio_dir(io12_pull, MRAA_GPIO_IN); - mraa_gpio_dir(io13_pull, MRAA_GPIO_IN); - - mraa_gpio_close(io10_pull); - mraa_gpio_close(io11_pull); - mraa_gpio_close(io12_pull); - mraa_gpio_close(io13_pull); - - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_spi_init_post(mraa_spi_context spi) -{ - return mraa_gpio_write(tristate, 1); -} - -mraa_result_t -mraa_intel_edison_gpio_mode_replace(mraa_gpio_context dev, mraa_gpio_mode_t mode) -{ - if (dev->value_fp != -1) { - if (close(dev->value_fp) != 0) { - return MRAA_ERROR_INVALID_RESOURCE; - } - dev->value_fp = -1; - } - - mraa_gpio_context pullup_e; - pullup_e = mraa_gpio_init_raw(pullup_map[dev->phy_pin]); - if (pullup_e == NULL) { - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_dir(pullup_e, MRAA_GPIO_IN) != MRAA_SUCCESS) { - syslog(LOG_ERR, "edison: Failed to set gpio mode-pullup"); - mraa_gpio_close(pullup_e); - return MRAA_ERROR_INVALID_RESOURCE; - } - - int value = -1; - switch (mode) { - case MRAA_GPIO_STRONG: - break; - case MRAA_GPIO_PULLUP: - value = 1; - break; - case MRAA_GPIO_PULLDOWN: - value = 0; - break; - case MRAA_GPIO_HIZ: - return MRAA_SUCCESS; - break; - default: - return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED; - } - if (value != -1) { - if (mraa_gpio_dir(pullup_e, MRAA_GPIO_OUT) != MRAA_SUCCESS) { - syslog(LOG_ERR, "edison: Error setting pullup"); - mraa_gpio_close(pullup_e); - return MRAA_ERROR_INVALID_RESOURCE; - } - if (mraa_gpio_write(pullup_e, value) != MRAA_SUCCESS) { - syslog(LOG_ERR, "edison: Error setting pullup"); - mraa_gpio_close(pullup_e); - return MRAA_ERROR_INVALID_RESOURCE; - } - } - - return mraa_gpio_close(pullup_e); -} - -mraa_result_t -mraa_intel_edsion_mb_gpio_mode(mraa_gpio_context dev, mraa_gpio_mode_t mode) -{ - if (dev->value_fp != -1) { - if (close(dev->value_fp) != 0) { - return MRAA_ERROR_INVALID_RESOURCE; - } - dev->value_fp = -1; - } - - char filepath[MAX_SIZE]; - - mraa_gpio_context mode_gpio = mraa_gpio_init_raw(dev->pin); - if (mode_gpio == NULL) { - return MRAA_ERROR_NO_RESOURCES; - } - - // first try SYSFS_CLASS_GPIO path - snprintf(filepath, MAX_SIZE, SYSFS_CLASS_GPIO "/gpio%d/pullmode", dev->pin); - int drive = open(filepath, O_WRONLY); - - if (drive == -1) { - snprintf(filepath, MAX_SIZE, DEBUGFS_PINMODE_PATH "%d/current_pullmode", dev->pin); - drive = open(filepath, O_WRONLY); - } - - if (drive == -1) { - syslog(LOG_ERR, "edison: Failed to open drive for writing"); - mraa_gpio_close(mode_gpio); - return MRAA_ERROR_INVALID_RESOURCE; - } - - char bu[MAX_SIZE]; - int length; - switch (mode) { - case MRAA_GPIO_STRONG: - mraa_gpio_close(mode_gpio); - close(drive); - return MRAA_SUCCESS; - case MRAA_GPIO_PULLUP: - length = snprintf(bu, sizeof(bu), "pullup"); - break; - case MRAA_GPIO_PULLDOWN: - length = snprintf(bu, sizeof(bu), "pulldown"); - break; - case MRAA_GPIO_HIZ: - length = snprintf(bu, sizeof(bu), "nopull"); - break; - default: - mraa_gpio_close(mode_gpio); - close(drive); - return MRAA_ERROR_FEATURE_NOT_IMPLEMENTED; - } - if (write(drive, bu, length * sizeof(char)) == -1) { - syslog(LOG_ERR, "edison: Failed to write to drive mode"); - mraa_gpio_close(mode_gpio); - close(drive); - return MRAA_ERROR_INVALID_RESOURCE; - } - - mraa_gpio_close(mode_gpio); - if (close(drive) != 0) { - return MRAA_ERROR_INVALID_RESOURCE; - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_uart_init_pre(int index) -{ - if (index != 0) { - syslog(LOG_ERR, "edison: Failed to write to drive mode"); - return MRAA_ERROR_INVALID_RESOURCE; - } - if (miniboard == 0) { - mraa_gpio_write(tristate, 0); - mraa_gpio_context io0_output = mraa_gpio_init_raw(248); - mraa_gpio_context io0_pullup = mraa_gpio_init_raw(216); - mraa_gpio_context io1_output = mraa_gpio_init_raw(249); - mraa_gpio_context io1_pullup = mraa_gpio_init_raw(217); - mraa_gpio_dir(io0_output, MRAA_GPIO_OUT); - mraa_gpio_dir(io0_pullup, MRAA_GPIO_OUT); - mraa_gpio_dir(io1_output, MRAA_GPIO_OUT); - mraa_gpio_dir(io1_pullup, MRAA_GPIO_IN); - - mraa_gpio_write(io0_output, 0); - mraa_gpio_write(io0_pullup, 0); - mraa_gpio_write(io1_output, 1); - - mraa_gpio_close(io0_output); - mraa_gpio_close(io0_pullup); - mraa_gpio_close(io1_output); - mraa_gpio_close(io1_pullup); - } - mraa_result_t ret; - ret = mraa_intel_edison_pinmode_change(130, 1); // IO0 RX - ret = mraa_intel_edison_pinmode_change(131, 1); // IO1 TX - return ret; -} - -mraa_result_t -mraa_intel_edison_uart_init_post(mraa_uart_context uart) -{ - return mraa_gpio_write(tristate, 1); -} - -static mraa_result_t -mraa_intel_edsion_mmap_unsetup() -{ - if (mmap_reg == NULL) { - syslog(LOG_ERR, "edison mmap: null register cant unsetup"); - return MRAA_ERROR_INVALID_RESOURCE; - } - munmap(mmap_reg, mmap_size); - mmap_reg = NULL; - if (close(mmap_fd) != 0) { - return MRAA_ERROR_INVALID_RESOURCE; - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_mmap_write(mraa_gpio_context dev, int value) -{ - uint8_t offset = ((dev->pin / 32) * sizeof(uint32_t)); - uint8_t valoff; - - if (value) { - valoff = 0x34; - } else { - valoff = 0x4c; - } - - *(volatile uint32_t*) (mmap_reg + offset + valoff) = (uint32_t)(1 << (dev->pin % 32)); - - return MRAA_SUCCESS; -} - -int -mraa_intel_edison_mmap_read(mraa_gpio_context dev) -{ - uint8_t offset = ((dev->pin / 32) * sizeof(uint32_t)); - uint32_t value; - - value = *(volatile uint32_t*) (mmap_reg + 0x04 + offset); - if (value & (uint32_t)(1 << (dev->pin % 32))) { - return 1; - } - return 0; -} - -mraa_result_t -mraa_intel_edison_mmap_setup(mraa_gpio_context dev, mraa_boolean_t en) -{ - if (dev == NULL) { - syslog(LOG_ERR, "edison mmap: context not valid"); - return MRAA_ERROR_INVALID_HANDLE; - } - - if (en == 0) { - if (dev->mmap_write == NULL && dev->mmap_read == NULL) { - syslog(LOG_ERR, "edison mmap: can't disable disabled mmap gpio"); - return MRAA_ERROR_INVALID_PARAMETER; - } - dev->mmap_write = NULL; - dev->mmap_read = NULL; - mmap_count--; - if (mmap_count == 0) { - return mraa_intel_edsion_mmap_unsetup(); - } - return MRAA_SUCCESS; - } - - if (dev->mmap_write != NULL && dev->mmap_read != NULL) { - syslog(LOG_ERR, "edison mmap: can't enable enabled mmap gpio"); - return MRAA_ERROR_INVALID_PARAMETER; - } - - // Might need to make some elements of this thread safe. - // For example only allow one thread to enter the following block - // to prevent mmap'ing twice. - if (mmap_reg == NULL) { - if ((mmap_fd = open(MMAP_PATH, O_RDWR)) < 0) { - syslog(LOG_ERR, "edison map: unable to open resource0 file"); - return MRAA_ERROR_INVALID_HANDLE; - } - - struct stat fd_stat; - if (fstat(mmap_fd, &fd_stat) != 0) { - syslog(LOG_ERR, "edison map: unable to access resource0 file"); - return MRAA_ERROR_INVALID_HANDLE; - } - mmap_size = fd_stat.st_size; - - mmap_reg = - (uint8_t*) mmap(NULL, fd_stat.st_size, PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, mmap_fd, 0); - if (mmap_reg == MAP_FAILED) { - syslog(LOG_ERR, "edison mmap: failed to mmap"); - mmap_reg = NULL; - close(mmap_fd); - return MRAA_ERROR_NO_RESOURCES; - } - } - dev->mmap_write = &mraa_intel_edison_mmap_write; - dev->mmap_read = &mraa_intel_edison_mmap_read; - mmap_count++; - - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_i2c_freq(mraa_i2c_context dev, mraa_i2c_mode_t mode) -{ - int sysnode = -1; - - switch (dev->busnum) { - case 1: - sysnode = open("/sys/devices/pci0000:00/0000:00:08.0/i2c_dw_sysnode/mode", O_RDWR); - break; - case 6: - sysnode = open("/sys/devices/pci0000:00/0000:00:09.1/i2c_dw_sysnode/mode", O_RDWR); - break; - default: - syslog(LOG_NOTICE, "i2c bus selected does not support frequency changes"); - return MRAA_ERROR_FEATURE_NOT_SUPPORTED; - } - if (sysnode == -1) { - return MRAA_ERROR_INVALID_RESOURCE; - } - - char bu[5]; - int length; - switch (mode) { - case MRAA_I2C_STD: - length = snprintf(bu, sizeof(bu), "std"); - break; - case MRAA_I2C_FAST: - length = snprintf(bu, sizeof(bu), "fast"); - break; - case MRAA_I2C_HIGH: - length = snprintf(bu, sizeof(bu), "high"); - break; - default: - syslog(LOG_ERR, "Invalid i2c mode selected"); - close(sysnode); - return MRAA_ERROR_INVALID_PARAMETER; - } - if (write(sysnode, bu, length * sizeof(char)) == -1) { - close(sysnode); - return MRAA_ERROR_INVALID_RESOURCE; - } - close(sysnode); - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_intel_edison_miniboard(mraa_board_t* b) -{ - miniboard = 1; - b->phy_pin_count = 56; - b->gpio_count = 56; // A bit of a hack I suppose - b->aio_count = 0; - b->pwm_default_period = 5000; - b->pwm_max_period = 218453; - b->pwm_min_period = 1; - - b->pins = (mraa_pininfo_t*) calloc(b->phy_pin_count, sizeof(mraa_pininfo_t)); - if (b->pins == NULL) { - return MRAA_ERROR_UNSPECIFIED; - } - - b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); - if (b->adv_func == NULL) { - free(b->pins); - return MRAA_ERROR_UNSPECIFIED; - } - b->adv_func->gpio_init_post = &mraa_intel_edison_gpio_init_post; - b->adv_func->pwm_init_pre = &mraa_intel_edison_pwm_init_pre; - b->adv_func->i2c_init_pre = &mraa_intel_edison_i2c_init_pre; - b->adv_func->i2c_set_frequency_replace = &mraa_intel_edison_i2c_freq; - b->adv_func->spi_init_pre = &mraa_intel_edison_spi_init_pre; - b->adv_func->gpio_mode_replace = &mraa_intel_edsion_mb_gpio_mode; - b->adv_func->uart_init_pre = &mraa_intel_edison_uart_init_pre; - b->adv_func->gpio_mmap_setup = &mraa_intel_edison_mmap_setup; - - int pos = 0; - strncpy(b->pins[pos].name, "J17-1", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 182; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].pwm.pinmap = 2; - b->pins[pos].pwm.parent_id = 0; - b->pins[pos].pwm.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-2", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J17-3", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J17-4", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J17-5", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 135; - b->pins[pos].gpio.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-6", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J17-7", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[pos].gpio.pinmap = 27; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].i2c.pinmap = 1; - b->pins[pos].i2c.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-8", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[pos].gpio.pinmap = 20; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].i2c.pinmap = 1; - b->pins[pos].i2c.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-9", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[pos].gpio.pinmap = 28; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].i2c.pinmap = 1; - b->pins[pos].i2c.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-10", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 111; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].spi.pinmap = 5; - b->pins[pos].spi.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-11", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 109; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].spi.pinmap = 5; - b->pins[pos].spi.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J17-12", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 115; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].spi.pinmap = 5; - b->pins[pos].spi.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J17-13", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J17-14", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 128; - b->pins[pos].gpio.parent_id = 0; - b->pins[pos].gpio.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J18-1", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 13; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].pwm.pinmap = 1; - b->pins[pos].pwm.parent_id = 0; - b->pins[pos].pwm.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J18-2", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 165; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J18-3", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J18-4", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J18-5", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J18-6", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[pos].gpio.pinmap = 19; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].i2c.pinmap = 1; - b->pins[pos].i2c.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J18-7", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 12; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].pwm.pinmap = 0; - b->pins[pos].pwm.parent_id = 0; - b->pins[pos].pwm.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J18-8", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 183; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].pwm.pinmap = 3; - b->pins[pos].pwm.parent_id = 0; - b->pins[pos].pwm.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J18-9", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J18-10", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 110; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].spi.pinmap = 5; - b->pins[pos].spi.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J18-11", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 114; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].spi.pinmap = 5; - b->pins[pos].spi.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J18-12", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 129; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J18-13", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[pos].gpio.pinmap = 130; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].uart.pinmap = 0; - b->pins[pos].uart.parent_id = 0; - b->pins[pos].uart.mux_total = 0; - - pos++; - strncpy(b->pins[pos].name, "J18-14", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J19-1", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J19-2", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J19-3", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J19-4", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 44; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-5", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 46; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-6", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 48; - b->pins[pos].gpio.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J19-7", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - - strncpy(b->pins[pos].name, "J19-8", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[pos].gpio.pinmap = 131; - b->pins[pos].gpio.mux_total = 0; - b->pins[pos].uart.pinmap = 0; - b->pins[pos].uart.parent_id = 0; - b->pins[pos].uart.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J19-9", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 14; - b->pins[pos].gpio.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J19-10", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 40; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-11", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 43; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-12", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 77; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-13", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 82; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J19-14", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 83; - b->pins[pos].gpio.mux_total = 0; - pos++; - - strncpy(b->pins[pos].name, "J20-1", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J20-2", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J20-3", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - pos++; - strncpy(b->pins[pos].name, "J20-4", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 45; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-5", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 47; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-6", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 49; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-7", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 15; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-8", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 84; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-9", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 42; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-10", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 41; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-11", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 78; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-12", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 79; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-13", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 80; - b->pins[pos].gpio.mux_total = 0; - pos++; - strncpy(b->pins[pos].name, "J20-14", 8); - b->pins[pos].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[pos].gpio.pinmap = 81; - b->pins[pos].gpio.mux_total = 0; - pos++; - - // BUS DEFINITIONS - b->i2c_bus_count = 9; - b->def_i2c_bus = 1; - int ici; - for (ici = 0; ici < 9; ici++) { - b->i2c_bus[ici].bus_id = -1; - } - b->i2c_bus[1].bus_id = 1; - b->i2c_bus[1].sda = 7; - b->i2c_bus[1].scl = 19; - - b->i2c_bus[6].bus_id = 6; - b->i2c_bus[6].sda = 8; - b->i2c_bus[6].scl = 6; - - b->spi_bus_count = 1; - b->def_spi_bus = 0; - b->spi_bus[0].bus_id = 5; - b->spi_bus[0].slave_s = 1; - b->spi_bus[0].cs = 23; - b->spi_bus[0].mosi = 11; - b->spi_bus[0].miso = 24; - b->spi_bus[0].sclk = 10; - - b->uart_dev_count = 1; - b->def_uart_dev = 0; - b->uart_dev[0].rx = 26; - b->uart_dev[0].tx = 35; - b->uart_dev[0].device_path = UART_DEV_PATH; - - return MRAA_SUCCESS; -} - -mraa_boolean_t -is_arduino_board() -{ - // We check for two things to determine if that's an Arduino expansion board - // 1) is tristate GPIO available, by trying to initialize it - // 2) are there four specific GPIO expanders, by reading device labels - // /sys/class/gpio/gpiochip{200,216,232,248}/label == "pcal9555a" - char gpiochip_path[MAX_SIZE]; - char gpiochip_label[MAX_SIZE]; - const char gpiochip_label_arduino[] = "pcal9555a"; - const int gpiochip_idx[4] = { 200, 216, 232, 248 }; - - // prepare format string for fscanf, based on MAX_SIZE - char format_str[MAX_SIZE]; - snprintf(format_str, MAX_SIZE, "%%%ds", MAX_SIZE - 1); - int i, ret, errno_saved; - - // check tristate first - tristate = mraa_gpio_init_raw(214); - if (tristate == NULL) { - syslog(LOG_INFO, "edison: tristate not detected"); - return 0; - } - - // GPIO expanders second - for (i=0; i<(sizeof(gpiochip_idx)/sizeof(gpiochip_idx[0])); i++) { - memset(gpiochip_path, 0, MAX_SIZE); - snprintf(gpiochip_path, - MAX_SIZE, - SYSFS_CLASS_GPIO "/gpiochip%d/label", - gpiochip_idx[i]); - FILE *fp; - fp = fopen(gpiochip_path, "r"); - if (fp == NULL) { - syslog(LOG_INFO, - "edison: could not open '%s', errno %d", - gpiochip_path, - errno); - return 0; - } - - memset(gpiochip_label, 0, MAX_SIZE); - ret = fscanf(fp, format_str, &gpiochip_label); - errno_saved = errno; - fclose(fp); - if (ret != 1) { - syslog(LOG_INFO, - "edison: could not read from '%s', errno %d", - gpiochip_path, - errno_saved); - return 0; - } - - // we want to check for exact match - if (strncmp(gpiochip_label, gpiochip_label_arduino, strlen(gpiochip_label) + 1) != 0) { - syslog(LOG_INFO, - "edison: gpiochip label (%s) is not what we expect (%s)\n", - gpiochip_label, - gpiochip_label_arduino); - return 0; - } - } - - syslog(LOG_NOTICE, "edison: Arduino board detected"); - return 1; -} - -mraa_board_t* -mraa_intel_edison_fab_c() -{ - mraa_gpio_dir_t tristate_dir; - mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t)); - if (b == NULL) { - return NULL; - } - - b->platform_name = PLATFORM_NAME; - - if (is_arduino_board() == 0) { - syslog(LOG_NOTICE, - "edison: Arduino board not detected, assuming Intel Edison Miniboard"); - if (mraa_intel_edison_miniboard(b) != MRAA_SUCCESS) { - goto error; - } - return b; - } - // Now Assuming the edison is attached to the Arduino board. - b->phy_pin_count = 20; - b->gpio_count = 14; - b->aio_count = 6; - b->platform_version = "arduino"; - - b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); - if (b->adv_func == NULL) { - goto error; - } - b->adv_func->gpio_dir_pre = &mraa_intel_edison_gpio_dir_pre; - b->adv_func->gpio_init_post = &mraa_intel_edison_gpio_init_post; - b->adv_func->gpio_close_pre = &mraa_intel_edison_gpio_close_pre; - b->adv_func->gpio_dir_post = &mraa_intel_edison_gpio_dir_post; - b->adv_func->i2c_init_pre = &mraa_intel_edison_i2c_init_pre; - b->adv_func->i2c_set_frequency_replace = &mraa_intel_edison_i2c_freq; - b->adv_func->aio_get_valid_fp = &mraa_intel_edison_aio_get_fp; - b->adv_func->aio_init_pre = &mraa_intel_edison_aio_init_pre; - b->adv_func->aio_init_post = &mraa_intel_edison_aio_init_post; - b->adv_func->pwm_init_pre = &mraa_intel_edison_pwm_init_pre; - b->adv_func->pwm_init_post = &mraa_intel_edison_pwm_init_post; - b->adv_func->spi_init_pre = &mraa_intel_edison_spi_init_pre; - b->adv_func->spi_init_post = &mraa_intel_edison_spi_init_post; - b->adv_func->gpio_mode_replace = &mraa_intel_edison_gpio_mode_replace; - b->adv_func->uart_init_pre = &mraa_intel_edison_uart_init_pre; - b->adv_func->uart_init_post = &mraa_intel_edison_uart_init_post; - b->adv_func->gpio_mmap_setup = &mraa_intel_edison_mmap_setup; - b->adv_func->spi_lsbmode_replace = &mraa_intel_edison_spi_lsbmode_replace; - - b->pins = (mraa_pininfo_t*) calloc(MRAA_INTEL_EDISON_PINCOUNT, sizeof(mraa_pininfo_t)); - if (b->pins == NULL) { - free(b->adv_func); - goto error; - } - - if (mraa_gpio_read_dir(tristate, &tristate_dir) != MRAA_SUCCESS) { - free(b->adv_func); - goto error; - } - - if (tristate_dir != MRAA_GPIO_OUT) { - mraa_gpio_dir(tristate, MRAA_GPIO_OUT); - } - - // this is required to initialise not just SPI but also the ADC channels - mraa_intel_edison_misc_spi(); - - b->adc_raw = 12; - b->adc_supported = 10; - b->pwm_default_period = 5000; - b->pwm_max_period = 218453; - b->pwm_min_period = 1; - - strncpy(b->pins[0].name, "IO0", 8); - b->pins[0].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[0].gpio.pinmap = 130; - b->pins[0].gpio.parent_id = 0; - b->pins[0].gpio.mux_total = 0; - b->pins[0].uart.pinmap = 0; - b->pins[0].uart.parent_id = 0; - b->pins[0].uart.mux_total = 0; - - strncpy(b->pins[1].name, "IO1", 8); - b->pins[1].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[1].gpio.pinmap = 131; - b->pins[1].gpio.parent_id = 0; - b->pins[1].gpio.mux_total = 0; - b->pins[1].uart.pinmap = 0; - b->pins[1].uart.parent_id = 0; - b->pins[1].uart.mux_total = 0; - - strncpy(b->pins[2].name, "IO2", 8); - b->pins[2].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0 }; - b->pins[2].gpio.pinmap = 128; - b->pins[2].gpio.parent_id = 0; - b->pins[2].gpio.mux_total = 0; - - strncpy(b->pins[3].name, "IO3", 8); - b->pins[3].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0 }; - b->pins[3].gpio.pinmap = 12; - b->pins[3].gpio.parent_id = 0; - b->pins[3].gpio.mux_total = 0; - b->pins[3].pwm.pinmap = 0; - b->pins[3].pwm.parent_id = 0; - b->pins[3].pwm.mux_total = 0; - - 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 = 129; - b->pins[4].gpio.parent_id = 0; - b->pins[4].gpio.mux_total = 0; - - strncpy(b->pins[5].name, "IO5", 8); - b->pins[5].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0, 0 }; - b->pins[5].gpio.pinmap = 13; - b->pins[5].gpio.parent_id = 0; - b->pins[5].gpio.mux_total = 0; - b->pins[5].pwm.pinmap = 1; - b->pins[5].pwm.parent_id = 0; - b->pins[5].pwm.mux_total = 0; - - strncpy(b->pins[6].name, "IO6", 8); - b->pins[6].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0, 0 }; - b->pins[6].gpio.pinmap = 182; - b->pins[6].gpio.parent_id = 0; - b->pins[6].gpio.mux_total = 0; - b->pins[6].pwm.pinmap = 2; - b->pins[6].pwm.parent_id = 0; - b->pins[6].pwm.mux_total = 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 = 48; - b->pins[7].gpio.parent_id = 0; - b->pins[7].gpio.mux_total = 0; - - 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 = 49; - b->pins[8].gpio.parent_id = 0; - b->pins[8].gpio.mux_total = 0; - - strncpy(b->pins[9].name, "IO9", 8); - b->pins[9].capabilites = (mraa_pincapabilities_t){ 1, 1, 1, 0, 0, 0, 0, 0 }; - b->pins[9].gpio.pinmap = 183; - b->pins[9].gpio.parent_id = 0; - b->pins[9].gpio.mux_total = 0; - b->pins[9].pwm.pinmap = 3; - b->pins[9].pwm.parent_id = 0; - b->pins[9].pwm.mux_total = 0; - - strncpy(b->pins[10].name, "IO10", 8); - b->pins[10].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[10].gpio.pinmap = 41; - b->pins[10].gpio.parent_id = 0; - b->pins[10].gpio.mux_total = 2; - b->pins[10].gpio.mux[0].pin = 263; - b->pins[10].gpio.mux[0].value = 1; - b->pins[10].gpio.mux[1].pin = 240; - b->pins[10].gpio.mux[1].value = 0; - b->pins[10].spi.pinmap = 5; - b->pins[10].spi.mux_total = 2; - b->pins[10].spi.mux[0].pin = 263; - b->pins[10].spi.mux[0].value = 1; - b->pins[10].spi.mux[1].pin = 240; - b->pins[10].spi.mux[1].value = 1; - - strncpy(b->pins[11].name, "IO11", 8); - b->pins[11].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[11].gpio.pinmap = 43; - b->pins[11].gpio.parent_id = 0; - b->pins[11].gpio.mux_total = 2; - b->pins[11].gpio.mux[0].pin = 262; - b->pins[11].gpio.mux[0].value = 1; - b->pins[11].gpio.mux[1].pin = 241; - b->pins[11].gpio.mux[1].value = 0; - b->pins[11].spi.pinmap = 5; - b->pins[11].spi.mux_total = 2; - b->pins[11].spi.mux[0].pin = 262; - b->pins[11].spi.mux[0].value = 1; - b->pins[11].spi.mux[1].pin = 241; - b->pins[11].spi.mux[1].value = 1; - - strncpy(b->pins[12].name, "IO12", 8); - b->pins[12].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[12].gpio.pinmap = 42; - b->pins[12].gpio.parent_id = 0; - b->pins[12].gpio.mux_total = 1; - b->pins[12].gpio.mux[0].pin = 242; - b->pins[12].gpio.mux[0].value = 0; - b->pins[12].spi.pinmap = 5; - b->pins[12].spi.mux_total = 1; - b->pins[12].spi.mux[0].pin = 242; - b->pins[12].spi.mux[0].value = 1; - - strncpy(b->pins[13].name, "IO13", 8); - b->pins[13].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[13].gpio.pinmap = 40; - b->pins[13].gpio.parent_id = 0; - b->pins[13].gpio.mux_total = 1; - b->pins[13].gpio.mux[0].pin = 243; - b->pins[13].gpio.mux[0].value = 0; - b->pins[13].spi.pinmap = 5; - b->pins[13].spi.mux_total = 1; - b->pins[13].spi.mux[0].pin = 243; - b->pins[13].spi.mux[0].value = 1; - - strncpy(b->pins[14].name, "A0", 8); - b->pins[14].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[14].gpio.pinmap = 44; - b->pins[14].gpio.mux_total = 1; - b->pins[14].gpio.mux[0].pin = 200; - b->pins[14].gpio.mux[0].value = 0; - - strncpy(b->pins[15].name, "A1", 8); - b->pins[15].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[15].gpio.pinmap = 45; - b->pins[15].gpio.mux_total = 1; - b->pins[15].gpio.mux[0].pin = 201; - b->pins[15].gpio.mux[0].value = 0; - - strncpy(b->pins[16].name, "A2", 8); - b->pins[16].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[16].gpio.pinmap = 46; - b->pins[16].gpio.mux_total = 1; - b->pins[16].gpio.mux[0].pin = 202; - b->pins[16].gpio.mux[0].value = 0; - - strncpy(b->pins[17].name, "A3", 8); - b->pins[17].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[17].gpio.pinmap = 47; - b->pins[17].gpio.mux_total = 1; - b->pins[17].gpio.mux[0].pin = 203; - b->pins[17].gpio.mux[0].value = 0; - - strncpy(b->pins[18].name, "A4", 8); - b->pins[18].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[18].gpio.pinmap = 14; - b->pins[18].gpio.mux_total = 1; - b->pins[18].gpio.mux[0].pin = 204; - b->pins[18].gpio.mux[0].value = 0; - - strncpy(b->pins[19].name, "A5", 8); - b->pins[19].capabilites = (mraa_pincapabilities_t){ 1, 1, 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; - b->pins[19].gpio.pinmap = 165; - b->pins[19].gpio.mux_total = 1; - b->pins[19].gpio.mux[0].pin = 205; - b->pins[19].gpio.mux[0].value = 0; - - // BUS DEFINITIONS - b->i2c_bus_count = 9; - b->def_i2c_bus = 6; - int ici; - for (ici = 0; ici < 9; ici++) { - b->i2c_bus[ici].bus_id = -1; - } - b->i2c_bus[6].bus_id = 6; - b->i2c_bus[6].sda = 18; - b->i2c_bus[6].scl = 19; - - b->spi_bus_count = 1; - b->def_spi_bus = 0; - b->spi_bus[0].bus_id = 5; - b->spi_bus[0].slave_s = 1; - b->spi_bus[0].cs = 10; - b->spi_bus[0].mosi = 11; - b->spi_bus[0].miso = 12; - b->spi_bus[0].sclk = 13; - - b->uart_dev_count = 1; - b->def_uart_dev = 0; - b->uart_dev[0].rx = 0; - b->uart_dev[0].tx = 1; - b->uart_dev[0].device_path = UART_DEV_PATH; - - int il; - for (il = 0; il < MRAA_INTEL_EDISON_PINCOUNT; il++) { - pinmodes[il].gpio.sysfs = -1; - pinmodes[il].gpio.mode = -1; - pinmodes[il].pwm.sysfs = -1; - pinmodes[il].pwm.mode = -1; - pinmodes[il].i2c.sysfs = -1; - pinmodes[il].i2c.mode = -1; - pinmodes[il].spi.sysfs = -1; - pinmodes[il].spi.mode = -1; - pinmodes[il].uart.sysfs = -1; - pinmodes[il].uart.mode = -1; - } - pinmodes[0].gpio.sysfs = 130; - pinmodes[0].gpio.mode = 0; - pinmodes[0].uart.sysfs = 130; - pinmodes[0].uart.mode = 1; - pinmodes[1].gpio.sysfs = 131; - pinmodes[1].gpio.mode = 0; - pinmodes[1].uart.sysfs = 131; - pinmodes[1].uart.mode = 1; - pinmodes[2].gpio.sysfs = 128; - pinmodes[2].gpio.mode = 0; - pinmodes[2].uart.sysfs = 128; - pinmodes[2].uart.mode = 1; - pinmodes[3].gpio.sysfs = 12; - pinmodes[3].gpio.mode = 0; - pinmodes[3].pwm.sysfs = 12; - pinmodes[3].pwm.mode = 1; - - pinmodes[4].gpio.sysfs = 129; - pinmodes[4].gpio.mode = 0; - pinmodes[4].uart.sysfs = 129; - pinmodes[4].uart.mode = 1; - pinmodes[5].gpio.sysfs = 13; - pinmodes[5].gpio.mode = 0; - pinmodes[5].pwm.sysfs = 13; - pinmodes[5].pwm.mode = 1; - pinmodes[6].gpio.sysfs = 182; - pinmodes[6].gpio.mode = 0; - pinmodes[6].pwm.sysfs = 182; - pinmodes[6].pwm.mode = 1; - - // 7 and 8 are provided by something on i2c, very simplepinmodes[3].gpio.sysfs = 12; - pinmodes[9].gpio.sysfs = 183; - pinmodes[9].gpio.mode = 0; - pinmodes[9].pwm.sysfs = 183; - pinmodes[9].pwm.mode = 1; - - pinmodes[10].gpio.sysfs = 41; - pinmodes[10].gpio.mode = 0; - pinmodes[10].spi.sysfs = 111; // Different pin provides, switched at mux level. - pinmodes[10].spi.mode = 1; - - pinmodes[11].gpio.sysfs = 43; - pinmodes[11].gpio.mode = 0; - pinmodes[11].spi.sysfs = 115; // Different pin provides, switched at mux level. - pinmodes[11].spi.mode = 1; - - pinmodes[12].gpio.sysfs = 42; - pinmodes[12].gpio.mode = 0; - pinmodes[12].spi.sysfs = 114; // Different pin provides, switched at mux level. - pinmodes[12].spi.mode = 1; - - pinmodes[13].gpio.sysfs = 40; - pinmodes[13].gpio.mode = 0; - pinmodes[13].spi.sysfs = 109; // Different pin provides, switched at mux level. - pinmodes[13].spi.mode = 1; - // Everything else but A4 A5 LEAVE - pinmodes[18].gpio.sysfs = 14; - pinmodes[18].gpio.mode = 0; - pinmodes[18].i2c.sysfs = 28; - pinmodes[18].i2c.mode = 1; - - pinmodes[19].gpio.sysfs = 165; - pinmodes[19].gpio.mode = 0; - pinmodes[19].i2c.sysfs = 27; - pinmodes[19].i2c.mode = 1; - - return b; -error: - syslog(LOG_CRIT, "edison: Arduino board failed to initialise"); - free(b); - return NULL; -} |