diff options
Diffstat (limited to 'peripheral/libmraa/src/arm/raspberry_pi.c')
| -rw-r--r-- | peripheral/libmraa/src/arm/raspberry_pi.c | 565 |
1 files changed, 0 insertions, 565 deletions
diff --git a/peripheral/libmraa/src/arm/raspberry_pi.c b/peripheral/libmraa/src/arm/raspberry_pi.c deleted file mode 100644 index ad8b6ed..0000000 --- a/peripheral/libmraa/src/arm/raspberry_pi.c +++ /dev/null @@ -1,565 +0,0 @@ -/* - * Author: Thomas Ingleby <thomas.c.ingleby@intel.com> - * Author: Michael Ring <mail@michael-ring.org> - * 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 <stdlib.h> -#include <string.h> -#include <sys/mman.h> -#include <mraa/common.h> - -#include "common.h" -#include "arm/raspberry_pi.h" - -#define PLATFORM_NAME_RASPBERRY_PI_B_REV_1 "Raspberry Pi Model B Rev 1" -#define PLATFORM_NAME_RASPBERRY_PI_A_REV_2 "Raspberry Pi Model A Rev 2" -#define PLATFORM_NAME_RASPBERRY_PI_B_REV_2 "Raspberry Pi Model B Rev 2" -#define PLATFORM_NAME_RASPBERRY_PI_B_PLUS_REV_1 "Raspberry Pi Model B+ Rev 1" -#define PLATFORM_NAME_RASPBERRY_PI_COMPUTE_MODULE_REV_1 "Raspberry Pi Compute Module Rev 1" -#define PLATFORM_NAME_RASPBERRY_PI_A_PLUS_REV_1 "Raspberry Pi Model A+ Rev 1" -#define PLATFORM_NAME_RASPBERRY_PI2_B_REV_1 "Raspberry Pi 2 Model B Rev 1" -#define PLATFORM_RASPBERRY_PI_B_REV_1 1 -#define PLATFORM_RASPBERRY_PI_A_REV_2 2 -#define PLATFORM_RASPBERRY_PI_B_REV_2 3 -#define PLATFORM_RASPBERRY_PI_B_PLUS_REV_1 4 -#define PLATFORM_RASPBERRY_PI_COMPUTE_MODULE_REV_1 5 -#define PLATFORM_RASPBERRY_PI_A_PLUS_REV_1 6 -#define PLATFORM_RASPBERRY_PI2_B_REV_1 7 -#define MMAP_PATH "/dev/mem" -#define BCM2835_PERI_BASE 0x20000000 -#define BCM2835_GPIO_BASE (BCM2835_PERI_BASE + 0x200000) -#define BCM2836_PERI_BASE 0x3f000000 -#define BCM2836_GPIO_BASE (BCM2836_PERI_BASE + 0x200000) -#define BCM2835_BLOCK_SIZE (4 * 1024) -#define BCM2836_BLOCK_SIZE (4 * 1024) -#define BCM283X_GPSET0 0x001c -#define BCM283X_GPCLR0 0x0028 -#define BCM2835_GPLEV0 0x0034 -#define MAX_SIZE 64 - -// MMAP -static uint8_t* mmap_reg = NULL; -static int mmap_fd = 0; -static int mmap_size; -static unsigned int mmap_count = 0; -static int platform_detected = 0; - -mraa_result_t -mraa_raspberry_pi_spi_init_pre(int index) -{ - char devpath[MAX_SIZE]; - sprintf(devpath, "/dev/spidev%u.0", plat->spi_bus[index].bus_id); - if (!mraa_file_exist(devpath)) { - syslog(LOG_ERR, "spi: Device not initialized"); - syslog(LOG_ERR, "spi: If you run a kernel >=3.18 then you will have to add dtparam=spi=on " - "to /boot/config.txt and reboot"); - syslog(LOG_INFO, "spi: trying modprobe for spi-bcm2708"); - system("modprobe spi-bcm2708 >/dev/null 2>&1"); - system("modprobe spi_bcm2708 >/dev/null 2>&1"); - if (!mraa_file_exist(devpath)) { - return MRAA_ERROR_NO_RESOURCES; - } - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_raspberry_pi_i2c_init_pre(unsigned int bus) -{ - char devpath[MAX_SIZE]; - sprintf(devpath, "/dev/i2c-%u", bus); - if (!mraa_file_exist(devpath)) { - syslog(LOG_INFO, "spi: trying modprobe for i2c-bcm2708 & i2c-dev"); - system("modprobe i2c-bcm2708 >/dev/null 2>&1"); - system("modprobe i2c-dev >/dev/null 2>&1"); - system("modprobe i2c_bcm2708 >/dev/null 2>&1"); - system("modprobe i2c_dev >/dev/null 2>&1"); - } - if (!mraa_file_exist(devpath)) { - syslog(LOG_ERR, "i2c: Device not initialized"); - if (platform_detected == PLATFORM_RASPBERRY_PI_B_REV_1) { - syslog(LOG_ERR, "i2c: If you run a kernel >=3.18 then you will have to add " - "dtparam=i2c0=on to /boot/config.txt and reboot"); - } else { - syslog(LOG_ERR, "i2c: If you run a kernel >=3.18 then you will have to add " - "dtparam=i2c1=on to /boot/config.txt and reboot"); - } - return MRAA_ERROR_NO_RESOURCES; - } - return MRAA_SUCCESS; -} - -mraa_result_t -mraa_raspberry_pi_mmap_write(mraa_gpio_context dev, int value) -{ - volatile uint32_t* addr; - if (value) { - *(volatile uint32_t*) (mmap_reg + BCM283X_GPSET0 + (dev->pin / 32) * 4) = - (uint32_t)(1 << (dev->pin % 32)); - } else { - *(volatile uint32_t*) (mmap_reg + BCM283X_GPCLR0 + (dev->pin / 32) * 4) = - (uint32_t)(1 << (dev->pin % 32)); - } - return MRAA_SUCCESS; -} - -static mraa_result_t -mraa_raspberry_pi_mmap_unsetup() -{ - if (mmap_reg == NULL) { - syslog(LOG_ERR, "raspberry 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; -} - -int -mraa_raspberry_pi_mmap_read(mraa_gpio_context dev) -{ - uint32_t value = *(volatile uint32_t*) (mmap_reg + BCM2835_GPLEV0 + (dev->pin / 32) * 4); - if (value & (uint32_t)(1 << (dev->pin % 32))) { - return 1; - } - return 0; -} - -mraa_result_t -mraa_raspberry_pi_mmap_setup(mraa_gpio_context dev, mraa_boolean_t en) -{ - if (dev == NULL) { - syslog(LOG_ERR, "raspberry mmap: context not valid"); - return MRAA_ERROR_INVALID_HANDLE; - } - - if (en == 0) { - if (dev->mmap_write == NULL && dev->mmap_read == NULL) { - syslog(LOG_ERR, "raspberry 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_raspberry_pi_mmap_unsetup(); - } - return MRAA_SUCCESS; - } - - if (dev->mmap_write != NULL && dev->mmap_read != NULL) { - syslog(LOG_ERR, "raspberry 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, "raspberry map: unable to open resource0 file"); - return MRAA_ERROR_INVALID_HANDLE; - } - - if (platform_detected == PLATFORM_RASPBERRY_PI2_B_REV_1) { - mmap_reg = (uint8_t*) mmap(NULL, BCM2836_BLOCK_SIZE, PROT_READ | PROT_WRITE, - MAP_FILE | MAP_SHARED, mmap_fd, BCM2836_GPIO_BASE); - } else { - mmap_reg = (uint8_t*) mmap(NULL, BCM2835_BLOCK_SIZE, PROT_READ | PROT_WRITE, - MAP_FILE | MAP_SHARED, mmap_fd, BCM2835_GPIO_BASE); - } - if (mmap_reg == MAP_FAILED) { - syslog(LOG_ERR, "raspberry mmap: failed to mmap"); - mmap_reg = NULL; - close(mmap_fd); - return MRAA_ERROR_NO_RESOURCES; - } - } - dev->mmap_write = &mraa_raspberry_pi_mmap_write; - dev->mmap_read = &mraa_raspberry_pi_mmap_read; - mmap_count++; - - return MRAA_SUCCESS; -} - -mraa_board_t* -mraa_raspberry_pi() -{ - mraa_board_t* b = (mraa_board_t*) calloc(1, sizeof(mraa_board_t)); - if (b == NULL) { - return NULL; - } - b->phy_pin_count = 0; - - size_t len = 100; - char* line = calloc(len, sizeof(char)); - - FILE* fh = fopen("/proc/cpuinfo", "r"); - if (fh != NULL) { - while (getline(&line, &len, fh) != -1) { - if (strncmp(line, "Revision", 8) == 0) { - if (strstr(line, "0002") || strstr(line, "0003")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_B_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI_B_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI_B_REV_1_PINCOUNT; - } else if (strstr(line, "0004") || strstr(line, "0005") || strstr(line, "0006") || - strstr(line, "000d") || strstr(line, "000e") || strstr(line, "000f")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_B_REV_2; - platform_detected = PLATFORM_RASPBERRY_PI_B_REV_2; - b->phy_pin_count = MRAA_RASPBERRY_PI_AB_REV_2_PINCOUNT; - } else if (strstr(line, "0007") || strstr(line, "0008") || strstr(line, "0009")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_A_REV_2; - platform_detected = PLATFORM_RASPBERRY_PI_A_REV_2; - b->phy_pin_count = MRAA_RASPBERRY_PI_AB_REV_2_PINCOUNT; - } else if (strstr(line, "0010")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_B_PLUS_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI_B_PLUS_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI_AB_PLUS_PINCOUNT; - } else if (strstr(line, "0011")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_COMPUTE_MODULE_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI_COMPUTE_MODULE_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI_COMPUTE_MODULE_PINCOUNT; - } else if (strstr(line, "0012")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_A_PLUS_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI_A_PLUS_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI_AB_PLUS_PINCOUNT; - } else if (strstr(line, "a01041") || strstr(line, "a21041")) { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI2_B_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI2_B_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI2_B_REV_1_PINCOUNT; - } else { - b->platform_name = PLATFORM_NAME_RASPBERRY_PI_B_REV_1; - platform_detected = PLATFORM_RASPBERRY_PI_B_REV_1; - b->phy_pin_count = MRAA_RASPBERRY_PI_B_REV_1_PINCOUNT; - } - } - } - fclose(fh); - } - free(line); - - b->aio_count = 0; - b->adc_raw = 0; - b->adc_supported = 0; - b->pwm_default_period = 500; - b->pwm_max_period = 2147483; - b->pwm_min_period = 1; - - if (b->phy_pin_count == 0) { - free(b); - syslog(LOG_ERR, "raspberrypi: Failed to detect platform revision"); - return NULL; - } - - b->adv_func = (mraa_adv_func_t*) calloc(1, sizeof(mraa_adv_func_t)); - if (b->adv_func == NULL) { - free(b); - return NULL; - } - - b->pins = (mraa_pininfo_t*) calloc(b->phy_pin_count, sizeof(mraa_pininfo_t)); - if (b->pins == NULL) { - free(b->adv_func); - free(b); - return NULL; - } - - b->adv_func->spi_init_pre = &mraa_raspberry_pi_spi_init_pre; - b->adv_func->i2c_init_pre = &mraa_raspberry_pi_i2c_init_pre; - b->adv_func->gpio_mmap_setup = &mraa_raspberry_pi_mmap_setup; - - strncpy(b->pins[0].name, "INVALID", MRAA_PIN_NAME_SIZE); - b->pins[0].capabilites = (mraa_pincapabilities_t){ 0, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[1].name, "3V3", MRAA_PIN_NAME_SIZE); - b->pins[1].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[2].name, "5V", MRAA_PIN_NAME_SIZE); - b->pins[2].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[3].name, "SDA0", MRAA_PIN_NAME_SIZE); - b->pins[3].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[3].gpio.pinmap = 2; - b->pins[3].gpio.mux_total = 0; - b->pins[3].i2c.pinmap = 0; - b->pins[3].i2c.mux_total = 0; - - strncpy(b->pins[4].name, "5V", MRAA_PIN_NAME_SIZE); - b->pins[4].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[5].name, "SCL0", MRAA_PIN_NAME_SIZE); - b->pins[5].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 1, 0, 0 }; - b->pins[5].gpio.pinmap = 3; - b->pins[5].gpio.mux_total = 0; - b->pins[5].i2c.pinmap = 0; - b->pins[5].i2c.mux_total = 0; - - strncpy(b->pins[6].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[6].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[7].name, "GPIO4", MRAA_PIN_NAME_SIZE); - b->pins[7].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[7].gpio.pinmap = 4; - b->pins[7].gpio.mux_total = 0; - - strncpy(b->pins[8].name, "UART_TX", MRAA_PIN_NAME_SIZE); - b->pins[8].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[8].gpio.pinmap = 14; - b->pins[8].gpio.mux_total = 0; - b->pins[8].uart.parent_id = 0; - b->pins[8].uart.mux_total = 0; - - strncpy(b->pins[9].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[9].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[10].name, "UART_RX", MRAA_PIN_NAME_SIZE); - b->pins[10].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 1 }; - b->pins[10].gpio.pinmap = 15; - b->pins[10].gpio.mux_total = 0; - b->pins[10].uart.parent_id = 0; - b->pins[10].uart.mux_total = 0; - - strncpy(b->pins[11].name, "GPIO17", MRAA_PIN_NAME_SIZE); - b->pins[11].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[11].gpio.pinmap = 17; - b->pins[11].gpio.mux_total = 0; - - strncpy(b->pins[12].name, "GPIO18", MRAA_PIN_NAME_SIZE); - b->pins[12].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[12].gpio.pinmap = 18; - b->pins[12].gpio.mux_total = 0; - - if (platform_detected == PLATFORM_RASPBERRY_PI_B_REV_1) { - strncpy(b->pins[13].name, "GPIO21", MRAA_PIN_NAME_SIZE); - b->pins[13].gpio.pinmap = 21; - } else { - strncpy(b->pins[13].name, "GPIO27", MRAA_PIN_NAME_SIZE); - b->pins[13].gpio.pinmap = 27; - } - b->pins[13].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[13].gpio.mux_total = 0; - - strncpy(b->pins[14].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[14].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[15].name, "GPIO22", MRAA_PIN_NAME_SIZE); - b->pins[15].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[15].gpio.pinmap = 22; - b->pins[15].gpio.mux_total = 0; - - strncpy(b->pins[16].name, "GPIO23", MRAA_PIN_NAME_SIZE); - b->pins[16].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[16].gpio.pinmap = 23; - b->pins[16].gpio.mux_total = 0; - - strncpy(b->pins[17].name, "3V3", MRAA_PIN_NAME_SIZE); - b->pins[17].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[18].name, "GPIO24", MRAA_PIN_NAME_SIZE); - b->pins[18].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[18].gpio.pinmap = 24; - b->pins[18].gpio.mux_total = 0; - - strncpy(b->pins[19].name, "SPI_MOSI", MRAA_PIN_NAME_SIZE); - b->pins[19].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[19].gpio.pinmap = 10; - b->pins[19].gpio.mux_total = 0; - b->pins[19].spi.pinmap = 0; - b->pins[19].spi.mux_total = 0; - - strncpy(b->pins[20].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[20].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[21].name, "SPI_MISO", MRAA_PIN_NAME_SIZE); - b->pins[21].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[21].gpio.pinmap = 9; - b->pins[21].gpio.mux_total = 0; - b->pins[21].spi.pinmap = 0; - b->pins[21].spi.mux_total = 0; - - strncpy(b->pins[22].name, "GPIO25", MRAA_PIN_NAME_SIZE); - b->pins[22].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[22].gpio.pinmap = 25; - b->pins[22].gpio.mux_total = 0; - - strncpy(b->pins[23].name, "SPI_CLK", MRAA_PIN_NAME_SIZE); - b->pins[23].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[23].gpio.pinmap = 11; - b->pins[23].gpio.mux_total = 0; - b->pins[23].spi.pinmap = 0; - b->pins[23].spi.mux_total = 0; - - strncpy(b->pins[24].name, "SPI_CS0", MRAA_PIN_NAME_SIZE); - b->pins[24].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[24].gpio.pinmap = 8; - b->pins[24].gpio.mux_total = 0; - b->pins[24].spi.pinmap = 0; - b->pins[24].spi.mux_total = 0; - - strncpy(b->pins[25].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[25].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[26].name, "SPI_CS1", MRAA_PIN_NAME_SIZE); - b->pins[26].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 1, 0, 0, 0 }; - b->pins[26].gpio.pinmap = 7; - b->pins[26].gpio.mux_total = 0; - b->pins[26].spi.pinmap = 0; - b->pins[26].spi.mux_total = 0; - - if ((platform_detected == PLATFORM_RASPBERRY_PI_A_REV_2) || - (platform_detected == PLATFORM_RASPBERRY_PI_B_REV_2)) { - strncpy(b->pins[27].name, "5V", MRAA_PIN_NAME_SIZE); - b->pins[27].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[28].name, "3V3", MRAA_PIN_NAME_SIZE); - b->pins[28].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[29].name, "GPIO8", MRAA_PIN_NAME_SIZE); - b->pins[29].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[29].gpio.pinmap = 8; - b->pins[29].gpio.mux_total = 0; - - strncpy(b->pins[30].name, "GPIO9", MRAA_PIN_NAME_SIZE); - b->pins[30].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[30].gpio.pinmap = 9; - b->pins[30].gpio.mux_total = 0; - - strncpy(b->pins[31].name, "GPIO10", MRAA_PIN_NAME_SIZE); - b->pins[31].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[31].gpio.pinmap = 10; - b->pins[31].gpio.mux_total = 0; - - strncpy(b->pins[32].name, "GPIO11", MRAA_PIN_NAME_SIZE); - b->pins[32].gpio.pinmap = 11; - b->pins[32].gpio.mux_total = 0; - b->pins[32].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[33].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[33].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[34].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[34].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - } - - // BUS DEFINITIONS - b->i2c_bus_count = 1; - b->def_i2c_bus = 0; - if (platform_detected == PLATFORM_RASPBERRY_PI_B_REV_1) - b->i2c_bus[0].bus_id = 0; - else - b->i2c_bus[0].bus_id = 1; - b->i2c_bus[0].sda = 3; - b->i2c_bus[0].scl = 5; - - b->spi_bus_count = 1; - b->def_spi_bus = 0; - b->spi_bus[0].bus_id = 0; - b->spi_bus[0].slave_s = 0; - b->spi_bus[0].cs = 24; - b->spi_bus[0].mosi = 19; - b->spi_bus[0].miso = 21; - b->spi_bus[0].sclk = 23; - - b->uart_dev_count = 1; - b->def_uart_dev = 0; - b->uart_dev[0].rx = 10; - b->uart_dev[0].tx = 8; - - if ((platform_detected == PLATFORM_RASPBERRY_PI_A_PLUS_REV_1) || - (platform_detected == PLATFORM_RASPBERRY_PI_B_PLUS_REV_1) || - (platform_detected == PLATFORM_RASPBERRY_PI2_B_REV_1)) { - - strncpy(b->pins[27].name, "ID_SD", MRAA_PIN_NAME_SIZE); - b->pins[27].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[28].name, "ID_SC", MRAA_PIN_NAME_SIZE); - b->pins[28].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[29].name, "GPIO05", MRAA_PIN_NAME_SIZE); - b->pins[29].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[29].gpio.pinmap = 5; - b->pins[29].gpio.mux_total = 0; - - strncpy(b->pins[30].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[30].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[31].name, "GPIO06", MRAA_PIN_NAME_SIZE); - b->pins[31].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[31].gpio.pinmap = 6; - b->pins[31].gpio.mux_total = 0; - - strncpy(b->pins[32].name, "GPIO12", MRAA_PIN_NAME_SIZE); - b->pins[32].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[32].gpio.pinmap = 12; - b->pins[32].gpio.mux_total = 0; - - strncpy(b->pins[33].name, "GPIO13", MRAA_PIN_NAME_SIZE); - b->pins[33].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[33].gpio.pinmap = 13; - b->pins[33].gpio.mux_total = 0; - - strncpy(b->pins[34].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[34].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[35].name, "GPIO19", MRAA_PIN_NAME_SIZE); - b->pins[35].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[35].gpio.pinmap = 19; - b->pins[35].gpio.mux_total = 0; - - strncpy(b->pins[36].name, "GPIO16", MRAA_PIN_NAME_SIZE); - b->pins[36].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[36].gpio.pinmap = 16; - b->pins[36].gpio.mux_total = 0; - - strncpy(b->pins[37].name, "GPIO26", MRAA_PIN_NAME_SIZE); - b->pins[37].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[37].gpio.pinmap = 26; - b->pins[37].gpio.mux_total = 0; - - strncpy(b->pins[38].name, "GPIO20", MRAA_PIN_NAME_SIZE); - b->pins[38].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[38].gpio.pinmap = 20; - b->pins[38].gpio.mux_total = 0; - - strncpy(b->pins[39].name, "GND", MRAA_PIN_NAME_SIZE); - b->pins[39].capabilites = (mraa_pincapabilities_t){ 1, 0, 0, 0, 0, 0, 0, 0 }; - - strncpy(b->pins[40].name, "GPIO21", MRAA_PIN_NAME_SIZE); - b->pins[40].capabilites = (mraa_pincapabilities_t){ 1, 1, 0, 0, 0, 0, 0, 0 }; - b->pins[40].gpio.pinmap = 21; - b->pins[40].gpio.mux_total = 0; - } - - b->gpio_count = 0; - int i; - for (i = 0; i < b->phy_pin_count; i++) { - if (b->pins[i].capabilites.gpio) { - b->gpio_count++; - } - } - - return b; -} |