/* gpio-defines.h: PPM firmware general purpose input/output header. * Copyright (C) 2014 Bradley Worley * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ /* ensure proper inclusion. */ #ifndef __PPM_GPIO_DEFINES_H__ #define __PPM_GPIO_DEFINES_H__ /* * * * GPIO HARDWARE CONNECTIONS * * * */ /* define connections for: light-emitting diodes: communication. */ #define GPIO_LED_COMM_DDR DDRE #define GPIO_LED_COMM_PORT PORTE #define GPIO_LED_COMM_PIN PORTE6 /* define connections for: light-emitting diodes: adc operation. */ #define GPIO_LED_ADC_DDR DDRC #define GPIO_LED_ADC_PORT PORTC #define GPIO_LED_ADC_PIN PORTC6 /* define connections for: light-emitting diodes: dac operation. */ #define GPIO_LED_DAC_DDR DDRD #define GPIO_LED_DAC_PORT PORTD #define GPIO_LED_DAC_PIN PORTD5 /* define connections for: constant current sink. */ #define GPIO_CCSEN_DDR DDRD #define GPIO_CCSEN_PORT PORTD #define GPIO_CCSEN_PIN PORTD0 /* define connections for: polarization relay. */ #define GPIO_RELAY_DDR DDRD #define GPIO_RELAY_PORT PORTD #define GPIO_RELAY_PIN PORTD4 /* define connections for: analog signal chain power. */ #define GPIO_ASCEN_DDR DDRF #define GPIO_ASCEN_PORT PORTF #define GPIO_ASCEN_PIN PORTF0 /* define connections for: software spi analog-to-digital converter. */ #define GPIO_ADC_DDR DDRB #define GPIO_ADC_PORT PORTB #define GPIO_ADC_PIN PINB #define GPIO_ADC_DDR_CS DDB4 #define GPIO_ADC_DDR_SCK DDB6 #define GPIO_ADC_DDR_MISO DDB5 #define GPIO_ADC_PIN_CS PORTB4 #define GPIO_ADC_PIN_SCK PORTB6 #define GPIO_ADC_PIN_MISO PINB5 /* define connections for: software spi digital-to-analog converter. */ #define GPIO_DAC_DDR DDRD #define GPIO_DAC_PORT PORTD #define GPIO_DAC_DDR_CS DDD3 #define GPIO_DAC_DDR_SCK DDD2 #define GPIO_DAC_DDR_MOSI DDD1 #define GPIO_DAC_PIN_CS PORTD3 #define GPIO_DAC_PIN_SCK PORTD2 #define GPIO_DAC_PIN_MOSI PORTD1 /* define connections for: software spi tuning capacitor bank. */ #define GPIO_TUNE_DDR DDRF #define GPIO_TUNE_PORT PORTF #define GPIO_TUNE_DDR_CS DDF5 #define GPIO_TUNE_DDR_SCK DDF6 #define GPIO_TUNE_DDR_MOSI DDF7 #define GPIO_TUNE_PIN_CS PORTF5 #define GPIO_TUNE_PIN_SCK PORTF6 #define GPIO_TUNE_PIN_MOSI PORTF7 /* * * * GPIO SOFTWARE FUNCTIONS: LEDs * * * */ /* gpio_leds_init: initialize the state of the led outputs. */ #define gpio_leds_init() \ gpio_led_comm_init (); \ gpio_led_adc_init (); \ gpio_led_dac_init (); /* gpio_led_comm_init: initialize the state of the communication led. */ #define gpio_led_comm_init() \ GPIO_LED_COMM_DDR |= (1 << GPIO_LED_COMM_PIN); \ gpio_led_comm_off (); /* gpio_led_adc_init: initialize the state of the adc led. */ #define gpio_led_adc_init() \ GPIO_LED_ADC_DDR |= (1 << GPIO_LED_ADC_PIN); \ gpio_led_adc_off (); /* gpio_led_dac_init: initialize the state of the dac led. */ #define gpio_led_dac_init() \ GPIO_LED_DAC_DDR |= (1 << GPIO_LED_DAC_PIN); \ gpio_led_dac_off (); /* gpio_led_comm_on: turn on the communication led output. */ #define gpio_led_comm_on() \ GPIO_LED_COMM_PORT |= (1 << GPIO_LED_COMM_PIN); /* gpio_led_comm_off: turn off the communication led output. */ #define gpio_led_comm_off() \ GPIO_LED_COMM_PORT &= ~(1 << GPIO_LED_COMM_PIN); /* gpio_led_adc_on: turn on the adc led output. */ #define gpio_led_adc_on() \ GPIO_LED_ADC_PORT |= (1 << GPIO_LED_ADC_PIN); /* gpio_led_adc_off: turn off the adc led output. */ #define gpio_led_adc_off() \ GPIO_LED_ADC_PORT &= ~(1 << GPIO_LED_ADC_PIN); /* gpio_led_dac_on: turn on the dac led output. */ #define gpio_led_dac_on() \ GPIO_LED_DAC_PORT |= (1 << GPIO_LED_DAC_PIN); /* gpio_led_dac_off: turn off the dac led output. */ #define gpio_led_dac_off() \ GPIO_LED_DAC_PORT &= ~(1 << GPIO_LED_DAC_PIN); /* * * * GPIO SOFTWARE FUNCTIONS: CCS * * * */ /* gpio_ccs_init: initializes the state of the current source. */ #define gpio_ccs_init() \ GPIO_CCSEN_DDR |= (1 << GPIO_CCSEN_PIN); \ gpio_ccs_disable (); /* gpio_ccs_enable: disable the polarization current source. this function * ties the CCS_EN pin high to signal the MOSFET gate driver to drive the * FET gate high. */ #define gpio_ccs_enable() \ GPIO_CCSEN_PORT |= (1 << GPIO_CCSEN_PIN); /* gpio_ccs_disable: enable the polarization current source. this function * ties the CCS_EN pin low to signal the MOSFET gate driver to drive the * FET gate low. */ #define gpio_ccs_disable() \ GPIO_CCSEN_PORT &= ~(1 << GPIO_CCSEN_PIN); /* * * * GPIO SOFTWARE FUNCTIONS: RELAY * * * */ /* gpio_relay_init: initializes the state of the POL/ACQ relay. */ #define gpio_relay_init() \ GPIO_RELAY_DDR |= (1 << GPIO_RELAY_PIN); \ gpio_relay_acq (); /* gpio_relay_pol: engages the POL/ACQ relay into the POL mode by sending * the RELAY_EN pin high. this software requires that the default relay * position is ACQ mode. */ #define gpio_relay_pol() \ GPIO_RELAY_PORT |= (1 << GPIO_RELAY_PIN); /* gpio_relay_acq: disengages the POL/ACQ relay into the ACQ mode by sending * the RELAY_EN pin low. this software requires that the default relay * position is ACQ mode. */ #define gpio_relay_acq() \ GPIO_RELAY_PORT &= ~(1 << GPIO_RELAY_PIN); /* * * * GPIO SOFTWARE FUNCTIONS: ASC PWR * * * */ /* gpio_asc_init: initializes the state of the ASC power supply. */ #define gpio_asc_init() \ GPIO_ASCEN_DDR |= (1 << GPIO_ASCEN_PIN); \ gpio_asc_disable (); /* gpio_asc_enable: enables the analog signal chain power supply by * sending the ASC_EN pin high. */ #define gpio_asc_enable() \ GPIO_ASCEN_PORT |= (1 << GPIO_ASCEN_PIN); /* gpio_asc_disable: disables the analog signal chain power supply by * sending the ASC_EN pin low. */ #define gpio_asc_disable() \ GPIO_ASCEN_PORT &= ~(1 << GPIO_ASCEN_PIN); /* * * * GPIO SOFTWARE FUNCTIONS: SPI ADC * * * */ /* gpio_adc_init: initializes the software spi gpio ports. */ #define gpio_adc_init() \ GPIO_ADC_DDR |= ((1 << GPIO_ADC_DDR_CS) | \ (1 << GPIO_ADC_DDR_SCK)); \ GPIO_ADC_PORT |= (1 << GPIO_ADC_DDR_SCK); \ gpio_adc_deselect (); /* gpio_adc_select: sends the ADC /CS line low to begin a conversion. */ #define gpio_adc_select() \ GPIO_ADC_PORT &= ~(1 << GPIO_ADC_PIN_CS); /* gpio_adc_deselect: sends the ADC /CS line low to end a conversion. */ #define gpio_adc_deselect() \ GPIO_ADC_PORT |= (1 << GPIO_ADC_PIN_CS); /* * * * GPIO SOFTWARE FUNCTIONS: SPI DAC * * * */ /* gpio_dac_init: initializes the software spi dac gpio ports. */ #define gpio_dac_init() \ GPIO_DAC_DDR |= ((1 << GPIO_DAC_DDR_CS) | \ (1 << GPIO_DAC_DDR_SCK) | \ (1 << GPIO_DAC_DDR_MOSI)); \ gpio_dac_deselect (); \ gpio_dac_mosi_lo (); \ gpio_dac_clock (); /* gpio_dac_select: sends the DAC /CS line low to begin a transfer. */ #define gpio_dac_select() \ GPIO_DAC_PORT &= ~(1 << GPIO_DAC_PIN_CS); /* gpio_dac_deselect: sends the DAC /CS line high to end a transfer. */ #define gpio_dac_deselect() \ GPIO_DAC_PORT |= (1 << GPIO_DAC_PIN_CS); /* gpio_dac_clock: sends the DAC SCK line high, then low to clock a bit. */ #define gpio_dac_clock() \ GPIO_DAC_PORT |= (1 << GPIO_DAC_PIN_SCK); \ GPIO_DAC_PORT &= ~(1 << GPIO_DAC_PIN_SCK); /* gpio_dac_mosi_lo: sends the DAC MOSI line low. */ #define gpio_dac_mosi_lo() \ GPIO_DAC_PORT &= ~(1 << GPIO_DAC_PIN_MOSI); /* gpio_dac_mosi_hi: sends the DAC MOSI line high. */ #define gpio_dac_mosi_hi() \ GPIO_DAC_PORT |= (1 << GPIO_DAC_PIN_MOSI); /* * * * GPIO SOFTWARE FUNCTIONS: SPI tuning bank * * * */ /* gpio_tune_init: initializes the the software spi tuning gpio ports. */ #define gpio_tune_init() \ GPIO_TUNE_DDR |= ((1 << GPIO_TUNE_DDR_CS) | \ (1 << GPIO_TUNE_DDR_SCK) | \ (1 << GPIO_TUNE_DDR_MOSI)); \ gpio_tune_deselect (); \ gpio_tune_mosi_lo (); \ gpio_tune_clock (); /* gpio_tune_select: sends the switch /CS line low (through an inverted * optoisolated output) to begin a transfer. */ #define gpio_tune_select() \ GPIO_TUNE_PORT |= (1 << GPIO_TUNE_PIN_CS); /* gpio_tune_deselect: sends the switch /CS line high (through an inverted * optoisolated output) to end a transfer. */ #define gpio_tune_deselect() \ GPIO_TUNE_PORT &= ~(1 << GPIO_TUNE_PIN_CS); /* gpio_tune_clock: sends the switch SCK line high, then low (through an * inverted optoisolated output) to clock a bit. */ #define gpio_tune_clock() \ GPIO_TUNE_PORT &= ~(1 << GPIO_TUNE_PIN_SCK); \ _delay_us (20.0); \ GPIO_TUNE_PORT |= (1 << GPIO_TUNE_PIN_SCK); \ _delay_us (20.0); /* gpio_tune_mosi_lo: sends the switch MOSI line low (through an inverted * optoisolated output). */ #define gpio_tune_mosi_lo() \ GPIO_TUNE_PORT |= (1 << GPIO_TUNE_PIN_MOSI); /* gpio_tune_mosi_hi: sends the switch MOSI line high (through an inverted * optoisolated output). */ #define gpio_tune_mosi_hi() \ GPIO_TUNE_PORT &= ~(1 << GPIO_TUNE_PIN_MOSI); #endif /* __PPM_GPIO_DEFINES_H__ */