application: move BusVoodoo specific parts to separate library
This commit is contained in:
parent
c3a5aa6540
commit
ea4a0c518f
963
application.c
963
application.c
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,173 @@
|
|||
/* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
/** BusVoodoo global definitions and methods (code)
|
||||
* @file busvoodoo_global.c
|
||||
* @author King Kévin <kingkevin@cuvoodoo.info>
|
||||
* @date 2018
|
||||
*/
|
||||
|
||||
/* standard libraries */
|
||||
#include <stdint.h> // standard integer types
|
||||
#include <math.h> // math utilities
|
||||
|
||||
/* STM32 (including CM3) libraries */
|
||||
#include <libopencm3/stm32/gpio.h> // general purpose input output library
|
||||
#include <libopencm3/stm32/rcc.h> // real-time control clock library
|
||||
#include <libopencm3/stm32/adc.h> // ADC utilities
|
||||
#include <libopencm3/stm32/dac.h> // DAC utilities
|
||||
|
||||
/* own libraries */
|
||||
#include "global.h" // board definitions
|
||||
#include "busvoodoo_global.h" // BusVoodoo definitions
|
||||
|
||||
const char* busvoodoo_io_names[13] = {"I2C_SMBA/SPI_NSS/I2S_WS", "SDIO_CMD", "USART_CTS/SPI_SCK/I2S_CK", "SDIO_D3/UART_RX", "I2C_SDA/USART_RX", "SDIO_D0", "SPI_MOSI/I2S_SD", "SDIO_CK/USART_CK", "I2C_SCL/USART_TX", "SDIO_D1", "I2S_MCK", "USART_RTS/SPI_MISO", "SDIO_D2/UART_TX"};
|
||||
const uint32_t busvoodoo_io_ports[13] = {GPIOB, GPIOD, GPIOB, GPIOC, GPIOB, GPIOC, GPIOB, GPIOC, GPIOB, GPIOC, GPIOC, GPIOB, GPIOC};
|
||||
const uint32_t busvoodoo_io_pins[13] = {GPIO12, GPIO2, GPIO13, GPIO11, GPIO11, GPIO8, GPIO15, GPIO12, GPIO10, GPIO9, GPIO6, GPIO14, GPIO10};
|
||||
const uint8_t busvoodoo_io_groups[13] = {6, 6, 4, 4, 1, 1, 5, 5, 2, 2, 3, 3, 3};
|
||||
|
||||
bool busvoodoo_full = false;
|
||||
|
||||
void busvoodoo_setup(void)
|
||||
{
|
||||
// enable all GPIO domains since we use pins on all ports
|
||||
rcc_periph_clock_enable(RCC_GPIOA); // enable clock for all GPIO domains
|
||||
rcc_periph_clock_enable(RCC_GPIOB); // enable clock for all GPIO domains
|
||||
rcc_periph_clock_enable(RCC_GPIOC); // enable clock for all GPIO domains
|
||||
rcc_periph_clock_enable(RCC_GPIOD); // enable clock for all GPIO domains
|
||||
busvoodoo_safe_state(); // switch off all outputs
|
||||
|
||||
// check if this BusVoodoo is a full version
|
||||
rcc_periph_clock_enable(RCC_ADC12_IN(BUSVOODOO_12V_CHANNEL)); // enable clock for GPIO domain for 12V channel
|
||||
gpio_set(ADC12_IN_PORT(BUSVOODOO_12V_CHANNEL), ADC12_IN_PIN(BUSVOODOO_12V_CHANNEL)); // pull ADC 12V high
|
||||
gpio_set_mode(ADC12_IN_PORT(BUSVOODOO_12V_CHANNEL), GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, ADC12_IN_PIN(BUSVOODOO_12V_CHANNEL)); // set 12V channel as digital input with pull-up capabilities
|
||||
// on a full version (fully populated board) the ADC 12V signal will be pulled low
|
||||
if (gpio_get(ADC12_IN_PORT(BUSVOODOO_12V_CHANNEL), ADC12_IN_PIN(BUSVOODOO_12V_CHANNEL))) { // check is ADC 12V is pulled low
|
||||
busvoodoo_full = false;
|
||||
} else {
|
||||
busvoodoo_full = true;
|
||||
}
|
||||
|
||||
// setup ADC to measure the 5V, 3.3V, xV, and 12V power rails voltages
|
||||
rcc_periph_clock_enable(RCC_ADC12_IN(BUSVOODOO_5V_CHANNEL)); // enable clock for GPIO domain for 5V channel
|
||||
gpio_set_mode(ADC12_IN_PORT(BUSVOODOO_5V_CHANNEL), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, ADC12_IN_PIN(BUSVOODOO_5V_CHANNEL)); // set 5V channel as analogue input for the ADC
|
||||
rcc_periph_clock_enable(RCC_ADC12_IN(BUSVOODOO_3V3_CHANNEL)); // enable clock for GPIO domain for 3.3V channel
|
||||
gpio_set_mode(ADC12_IN_PORT(BUSVOODOO_3V3_CHANNEL), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, ADC12_IN_PIN(BUSVOODOO_3V3_CHANNEL)); // set 3.3V channel as analogue input for the ADC
|
||||
rcc_periph_clock_enable(RCC_ADC12_IN(BUSVOODOO_XV_CHANNEL)); // enable clock for GPIO domain for xV channel
|
||||
gpio_set_mode(ADC12_IN_PORT(BUSVOODOO_XV_CHANNEL), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, ADC12_IN_PIN(BUSVOODOO_XV_CHANNEL)); // set xV channel as analogue input for the ADC
|
||||
rcc_periph_clock_enable(RCC_ADC12_IN(BUSVOODOO_12V_CHANNEL)); // enable clock for GPIO domain for 12V channel
|
||||
gpio_set_mode(ADC12_IN_PORT(BUSVOODOO_12V_CHANNEL), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, ADC12_IN_PIN(BUSVOODOO_12V_CHANNEL)); // set 12V channel as analogue input for the ADC
|
||||
rcc_periph_clock_enable(RCC_ADC1); // enable clock for ADC domain
|
||||
adc_off(ADC1); // switch off ADC while configuring it
|
||||
adc_set_sample_time_on_all_channels(ADC1, ADC_SMPR_SMP_28DOT5CYC); // use 28.5 cycles to sample (long enough to be stable)
|
||||
adc_enable_temperature_sensor(ADC1); // enable internal voltage reference
|
||||
adc_enable_external_trigger_regular(ADC1, ADC_CR2_EXTSEL_SWSTART); // use software trigger to start conversion
|
||||
uint8_t channels[] = {ADC_CHANNEL17, ADC_CHANNEL(BUSVOODOO_5V_CHANNEL), ADC_CHANNEL(BUSVOODOO_3V3_CHANNEL), ADC_CHANNEL(BUSVOODOO_XV_CHANNEL), ADC_CHANNEL(BUSVOODOO_12V_CHANNEL)}; // voltages to convert: internal, 5V, 3.3V, xV, 12V
|
||||
adc_set_regular_sequence(ADC1, LENGTH(channels), channels); // set channels to convert
|
||||
adc_enable_discontinuous_mode_regular(ADC1, LENGTH(channels)); // convert all channels
|
||||
adc_power_on(ADC1); // switch on ADC
|
||||
sleep_us(1); // wait t_stab for the ADC to stabilize
|
||||
adc_reset_calibration(ADC1); // remove previous non-calibration
|
||||
adc_calibration(ADC1); // calibrate ADC for less accuracy errors
|
||||
|
||||
// setup DAC to control xV and 12V voltage outputs
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVCTL_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO(BUSVOODOO_XVCTL_PIN)); // set xV pin as analog (the DAC will use it as output)
|
||||
rcc_periph_clock_enable(RCC_DAC); // enable clock for DAC domain
|
||||
dac_disable(BUSVOODOO_XVCTL_CHANNEL); // disable output to configure it properly
|
||||
dac_buffer_enable(BUSVOODOO_XVCTL_CHANNEL); // enable output buffer to be able to drive larger loads (should be per default)
|
||||
if (busvoodoo_full) {
|
||||
gpio_set_mode(GPIO(BUSVOODOO_12VCTL_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO(BUSVOODOO_12VCTL_PIN)); // set 12V pin as analog (the DAC will use it as output)
|
||||
dac_disable(BUSVOODOO_12VCTL_CHANNEL); // disable output to configure it properly
|
||||
dac_buffer_enable(BUSVOODOO_12VCTL_CHANNEL); // enable output buffer to be able to drive larger loads (should be per default)
|
||||
}
|
||||
dac_set_trigger_source(DAC_CR_TSEL1_SW); // use software to trigger the voltage change
|
||||
dac_set_trigger_source(DAC_CR_TSEL2_SW); // use software to trigger the voltage change
|
||||
}
|
||||
|
||||
void busvoodoo_safe_state(void)
|
||||
{
|
||||
// disable voltage outputs
|
||||
gpio_set(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // disable 5V and 3.3V output on connector
|
||||
gpio_set_mode(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO(BUSVOODOO_VOUTEN_PIN)); // set pin as output (open-drain pulled high to disable the pMOS)
|
||||
gpio_clear(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // disable xV voltage regulator
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVEN_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_XVEN_PIN)); // set pin as output (push-pull, pulled low for safety)
|
||||
gpio_set(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // disable 12V voltage regulator
|
||||
gpio_set_mode(GPIO(BUSVOODOO_12VEN_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO(BUSVOODOO_12VEN_PIN)); // set pin as output (open-drain pulled high to disable the pMOS)
|
||||
|
||||
// set DAC channel back to analog
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVCTL_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO(BUSVOODOO_XVCTL_PIN)); // set xV pin as analog
|
||||
gpio_set_mode(GPIO(BUSVOODOO_12VCTL_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO(BUSVOODOO_12VCTL_PIN)); // set 12V pin as analog
|
||||
|
||||
// disable embedded pull-ups
|
||||
gpio_primary_remap(AFIO_MAPR_SWJ_CFG_JTAG_OFF_SW_ON, 0); // disable JTAG (but keep SWD) so to use the underlying GPIOs (PA15, PB3, PB4)
|
||||
gpio_set(GPIO(BUSVOODOO_5VPULLUP_PORT), GPIO(BUSVOODOO_5VPULLUP_PIN)); // set pin high to disable 5V embedded pull-up
|
||||
gpio_set_mode(GPIO(BUSVOODOO_5VPULLUP_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO(BUSVOODOO_5VPULLUP_PIN)); // set pin as output (open-drain pulled high to disable the pMOS)
|
||||
gpio_set(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO(BUSVOODOO_OEPULLUP_PIN)); // set pin high to disable embedded pull-up bus switch
|
||||
gpio_set_mode(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO(BUSVOODOO_OEPULLUP_PIN)); // set pin as output (open-drain pulled high to disable the bus switch)
|
||||
|
||||
// disable all signal I/O outputs
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, busvoodoo_io_pins[pin]); // set pin back to input (floating)
|
||||
}
|
||||
|
||||
// disable all RS-232 and some RS-485 signals (put back to input floating)
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_TX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_TX_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_RX_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RTS_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_RTS_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_CTS_PIN));
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_EN_PORT), GPIO(BUSVOODOO_RS232_EN_PIN)); // set high to disable receiver
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_SHDN_PORT), GPIO(BUSVOODOO_RS232_SHDN_PIN)); // set low to disable transmitter
|
||||
|
||||
// disable all CAN and some RS-458 signals (put back to input floating)
|
||||
gpio_set_mode(GPIO(BUSVOODOO_CAN_TX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_CAN_TX_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_CAN_RX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_CAN_RX_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_CAN_EN_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_CAN_EN_PIN));
|
||||
gpio_set_mode(GPIO(BUSVOODOO_CAN_S_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_CAN_S_PIN));
|
||||
}
|
||||
|
||||
float busvoodoo_rail_voltage(uint8_t channel)
|
||||
{
|
||||
if (channel!=BUSVOODOO_5V_CHANNEL && channel!=BUSVOODOO_3V3_CHANNEL && channel!=BUSVOODOO_XV_CHANNEL && channel!=BUSVOODOO_12V_CHANNEL) { // check channel
|
||||
return NAN;
|
||||
}
|
||||
uint16_t channels[5] = {0}; // to start converted values: internal reference 1.2V, 5V rail, 3.3V rail, xV rail, 12V rail
|
||||
adc_start_conversion_regular(ADC1); // start conversion to get first voltage
|
||||
for (uint8_t channel_i=0; channel_i<LENGTH(channels); channel_i++) { // get all conversions
|
||||
while (!adc_eoc(ADC1)); // wait until conversion finished
|
||||
channels[channel_i] = adc_read_regular(ADC1); // read voltage value (clears flag)
|
||||
}
|
||||
float to_return = NAN; // voltage to return
|
||||
switch (channel) { // get converter value and calculate according to the voltage divider on this channel
|
||||
case BUSVOODOO_5V_CHANNEL:
|
||||
to_return = channels[1]/(10.0/(10.0+10.0));
|
||||
break;
|
||||
case BUSVOODOO_3V3_CHANNEL:
|
||||
to_return = channels[2]/(10.0/(10.0+10.0));
|
||||
break;
|
||||
case BUSVOODOO_XV_CHANNEL:
|
||||
to_return = channels[3]/(10.0/(10.0+10.0));
|
||||
break;
|
||||
case BUSVOODOO_12V_CHANNEL:
|
||||
to_return = channels[4]/(1.5/(10.0+1.5));
|
||||
break;
|
||||
default: // unknown channel
|
||||
to_return = NAN;
|
||||
break;
|
||||
}
|
||||
if (!isnan(to_return)) {
|
||||
to_return *= 1.2/channels[0]; // calculate voltage from converted values using internal 1.2V voltage reference
|
||||
}
|
||||
return to_return;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,114 @@
|
|||
/* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
/** BusVoodoo global definitions and methods (API)
|
||||
* @file busvoodoo_global.h
|
||||
* @author King Kévin <kingkevin@cuvoodoo.info>
|
||||
* @date 2018
|
||||
*/
|
||||
|
||||
/** @defgroup busvoodoo_voltages pin to control voltage regulators and pull-ups definitions
|
||||
* @{
|
||||
*/
|
||||
#define BUSVOODOO_5VPULLUP_PORT B /**< 5V pull-up enable pin (active low) */
|
||||
#define BUSVOODOO_5VPULLUP_PIN 4 /**< 5V pull-up enable pin (active low) */
|
||||
#define BUSVOODOO_OEPULLUP_PORT A /**< bus switch output enable pin to enable embedded pull-ups (active low) */
|
||||
#define BUSVOODOO_OEPULLUP_PIN 15 /**< bus switch output enable pin to enable embedded pull-ups (active low) */
|
||||
#define BUSVOODOO_XVEN_PORT A /**< xV enable pin (active high) */
|
||||
#define BUSVOODOO_XVEN_PIN 6 /**< xV enable pin (active high) */
|
||||
#define BUSVOODOO_12VEN_PORT A /**< 12V enable pin (active low) */
|
||||
#define BUSVOODOO_12VEN_PIN 7 /**< 12V enable pin (active low) */
|
||||
#define BUSVOODOO_VOUTEN_PORT B /**< voltage output (5V and 3.3V) enable pin (active low) */
|
||||
#define BUSVOODOO_VOUTEN_PIN 3 /**< voltage output (5V and 3.3V) enable pin (active low) */
|
||||
/** @} */
|
||||
|
||||
/** @defgroup busvoodoo_adc ADC inputs to measure voltages from voltage regulators
|
||||
* @{
|
||||
*/
|
||||
#define BUSVOODOO_3V3_CHANNEL 12 /**< ADC channel to measure 5V rail */
|
||||
#define BUSVOODOO_5V_CHANNEL 9 /**< ADC channel to measure 3.3V rail */
|
||||
#define BUSVOODOO_XV_CHANNEL 11 /**< ADC channel to measure xV rail */
|
||||
#define BUSVOODOO_12V_CHANNEL 15 /**< ADC channel to measure 12V rail */
|
||||
/** @} */
|
||||
|
||||
/** @defgroup busvoodoo_dac DAC output to set voltages of voltage regulators
|
||||
* @{
|
||||
*/
|
||||
#define BUSVOODOO_XVCTL_PORT A /**< pin to control xV output voltage */
|
||||
#define BUSVOODOO_XVCTL_PIN 4 /**< pin to control xV output voltage */
|
||||
#define BUSVOODOO_XVCTL_CHANNEL CHANNEL_1 /**< DAC channel to control xV output voltage */
|
||||
#define BUSVOODOO_XV_DEFAULT (0.8*(1+30.0/10.0)) /**< default (when not driven) xV voltage regulator output voltage based on R1 and R2 */
|
||||
#define BUSVOODOO_XV_TEST 2.5 /**< target xV output voltage to test if we can set control the xV voltage regulator */
|
||||
#define BUSVOODOO_XV_SET(x) ((0.8*(1+30.0/10.0)-x)*(10.0/30.0)+0.8) /**< voltage to output for the DAC to set the desired xV output voltage (based on resistor values on the xV adjust pins and xV voltage reference) */
|
||||
#define BUSVOODOO_12VCTL_PORT A /**< pin to control 12V output voltage */
|
||||
#define BUSVOODOO_12VCTL_PIN 5 /**< pin to control 12V output voltage */
|
||||
#define BUSVOODOO_12VCTL_CHANNEL CHANNEL_2 /**< DAC channel to control 12V output voltage */
|
||||
#define BUSVOODOO_12V_DEFAULT (1.25*(1+100.0/10.0)) /**< default (when not driven) 12V voltage regulator output voltage based on R1 and R2 */
|
||||
#define BUSVOODOO_12V_TEST 12.0 /**< target 12V output voltage to test if we can set control the 12V voltage regulator */
|
||||
#define BUSVOODOO_12V_SET(x) ((1.25*(1+100.0/10.0)-x)*(10.0/100.0)+1.25) /**< voltage to output for the DAC to set the desired
|
||||
12V output voltage (based on resistor values on the 12V adjust pins and 12V voltage reference) */
|
||||
/** @} */
|
||||
|
||||
/** @defgroup busvoodoo_rs232 RS-232 transceiver connection definition
|
||||
* @{
|
||||
*/
|
||||
#define BUSVOODOO_RS232_EN_PORT B /**< RS-232 pin to enable receiver (active low, pulled up) */
|
||||
#define BUSVOODOO_RS232_EN_PIN 5 /**< RS-232 pin to enable receiver (active low, pulled up) */
|
||||
#define BUSVOODOO_RS232_SHDN_PORT C /**< RS-232 pin to enable transmitter (active high, pulled low) */
|
||||
#define BUSVOODOO_RS232_SHDN_PIN 15 /**< RS-232 pin to enable transmitter (active high, pulled low) */
|
||||
#define BUSVOODOO_RS232_RTS_PORT A /**< RS-232 Request-To-Send output pin */
|
||||
#define BUSVOODOO_RS232_RTS_PIN 1 /**< RS-232 Request-To-Send output pin */
|
||||
#define BUSVOODOO_RS232_CTS_PORT A /**< RS-232 Clear-To-Send input pin */
|
||||
#define BUSVOODOO_RS232_CTS_PIN 0 /**< RS-232 Clear-To-Send input pin */
|
||||
#define BUSVOODOO_RS232_TX_PORT A /**< RS-232 Transmit output pin */
|
||||
#define BUSVOODOO_RS232_TX_PIN 2 /**< RS-232 Transmit output pin */
|
||||
#define BUSVOODOO_RS232_RX_PORT A /**< RS-232 Receive input pin */
|
||||
#define BUSVOODOO_RS232_RX_PIN 3 /**< RS-232 Receive input pin */
|
||||
/** @} */
|
||||
|
||||
/** @defgroup busvoodoo_can CAN transceiver connection definition
|
||||
* @{
|
||||
*/
|
||||
#define BUSVOODOO_CAN_EN_PORT C /**< CAN pin to enable transceiver (active high, pulled low) */
|
||||
#define BUSVOODOO_CAN_EN_PIN 14 /**< CAN pin to enable transceiver (active high, pulled low) */
|
||||
#define BUSVOODOO_CAN_S_PORT C /**< CAN pin to set to silent mode (active low, pulled high) */
|
||||
#define BUSVOODOO_CAN_S_PIN 13 /**< CAN pin to set to silent mode (active low, pulled high) */
|
||||
#define BUSVOODOO_CAN_TX_PORT B /**< CAN Transmit output pin */
|
||||
#define BUSVOODOO_CAN_TX_PIN 9 /**< CAN Transmit output pin */
|
||||
#define BUSVOODOO_CAN_RX_PORT B /**< CAN Receive input pin */
|
||||
#define BUSVOODOO_CAN_RX_PIN 8 /**< CAN Receive input pin */
|
||||
/** @} */
|
||||
|
||||
/** @defgroup busvoodoo_io I/O connector pin definition
|
||||
* @{
|
||||
*/
|
||||
extern const char* busvoodoo_io_names[13]; /**< I/O individual signal names */
|
||||
extern const uint32_t busvoodoo_io_ports[13]; /**< port of individual signals */
|
||||
extern const uint32_t busvoodoo_io_pins[13]; /**< pin of individual signals */
|
||||
extern const uint8_t busvoodoo_io_groups[13]; /**< which I/O pin (group) does the signal belong to */
|
||||
/** @} */
|
||||
|
||||
/** is the BusVoodoo board fully populated (with 12V voltage regulator, RS-232, RS-485, CAN transceiver on the back side) */
|
||||
extern bool busvoodoo_full;
|
||||
|
||||
/** setup BusVoodoo board */
|
||||
void busvoodoo_setup(void);
|
||||
/** set safe state by disabling all outputs */
|
||||
void busvoodoo_safe_state(void);
|
||||
/** read power rail voltage
|
||||
* @param[in] channel which ADC channel to read voltage from
|
||||
* @return voltage of NaN if channel is invalid
|
||||
*/
|
||||
float busvoodoo_rail_voltage(uint8_t channel);
|
||||
|
||||
|
|
@ -0,0 +1,633 @@
|
|||
/* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
/** BusVoodoo high impedance (HiZ) default mode (code)
|
||||
* @file busvoodoo_hiz.h
|
||||
* @author King Kévin <kingkevin@cuvoodoo.info>
|
||||
* @date 2018
|
||||
*/
|
||||
/* standard libraries */
|
||||
#include <stdint.h> // standard integer types
|
||||
#include <math.h> // math utilities
|
||||
|
||||
/* STM32 (including CM3) libraries */
|
||||
#include <libopencm3/stm32/gpio.h> // general purpose input output library
|
||||
#include <libopencm3/stm32/rcc.h> // real-time control clock library
|
||||
#include <libopencm3/stm32/dbgmcu.h> // debug utilities
|
||||
#include <libopencm3/stm32/desig.h> // design utilities
|
||||
#include <libopencm3/stm32/dac.h> // DAC utilities
|
||||
|
||||
/* own libraries */
|
||||
#include "global.h" // board definitions
|
||||
#include "print.h" // printing utilities
|
||||
#include "busvoodoo_global.h" // BusVoodoo definitions
|
||||
#include "busvoodoo_hiz.h" // own definitions
|
||||
|
||||
bool busvoodoo_hiz_test_self(void)
|
||||
{
|
||||
bool to_return = false; // success of the self-test
|
||||
busvoodoo_safe_state(); // start from a safe state
|
||||
|
||||
// get device information
|
||||
// get device identifier (DEV_ID)
|
||||
// 0x412: low-density, 16-32 kB flash
|
||||
// 0x410: medium-density, 64-128 kB flash
|
||||
// 0x414: high-density, 256-512 kB flash
|
||||
// 0x430: XL-density, 768-1024 kB flash
|
||||
// 0x418: connectivity
|
||||
if (0==(DBGMCU_IDCODE&DBGMCU_IDCODE_DEV_ID_MASK)) {
|
||||
printf("device identifier not set: this is probably a defective micro-controller\n");
|
||||
} else if (0x414!=(DBGMCU_IDCODE&DBGMCU_IDCODE_DEV_ID_MASK)) {
|
||||
printf("this (DEV_ID=%03x) is not a high-density device: a wrong micro-controller might have been used\n", (DBGMCU_IDCODE&DBGMCU_IDCODE_DEV_ID_MASK));
|
||||
}
|
||||
// ensure flash size is ok
|
||||
if (0xffff==DESIG_FLASH_SIZE) {
|
||||
printf("unknown flash size: this is probably a defective micro-controller\n");
|
||||
}
|
||||
|
||||
// check 5V power rail
|
||||
float voltage = busvoodoo_rail_voltage(BUSVOODOO_5V_CHANNEL); // get 5V power rail voltage
|
||||
if (voltage<4.0) {
|
||||
printf("5V power rail voltage is too low: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>5.5) {
|
||||
printf("5V power rail voltage is too high: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
|
||||
// check 3.3V power rail
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_3V3_CHANNEL); // get 3.3V power rail voltage
|
||||
if (voltage<3.0) {
|
||||
printf("3.3V power rail voltage is too low: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>3.6) {
|
||||
printf("3.3V power rail voltage is too high: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
|
||||
// test 5V and 3.3V outputs
|
||||
gpio_clear(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // enable Vout
|
||||
sleep_ms(1); // wait a bit for voltage to settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_5V_CHANNEL); // get 5V power rail voltage
|
||||
if (voltage<4.0) {
|
||||
printf("5V power rail voltage is too low when 5V output is enabled: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>5.5) {
|
||||
printf("5V power rail voltage is too high when 5V output is enabled: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_3V3_CHANNEL); // get 3.3V power rail voltage
|
||||
if (voltage<3.0) {
|
||||
printf("3.3V power rail voltage is too low when 3V3 output is enabled: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>3.6) {
|
||||
printf("3.3V power rail voltage is too high when 3V3 is enabled: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // disable Vout
|
||||
|
||||
// check xV voltage regulator
|
||||
gpio_clear(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // disable xV voltage regulator
|
||||
sleep_ms(1); // let voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL); // get xV voltage
|
||||
if (voltage>0.2) { // ensure the output is at 0V when the regulator is not enabled
|
||||
printf("xV voltage is %.2fV instead of 0V when the regulator is disabled\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // enable xV voltage regulator
|
||||
sleep_ms(5); // let the voltage regulator start and voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL); // get xV voltage
|
||||
// without being driven it should be around the default voltage
|
||||
if (voltage<BUSVOODOO_XV_DEFAULT-0.2) {
|
||||
printf("xV voltage is lower (%.2fV) than expected (%.2fV) when the regulator is enabled\n", voltage, BUSVOODOO_XV_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>BUSVOODOO_XV_DEFAULT+0.2) {
|
||||
printf("xV voltage is higher (%.2fV) than expected (%.2fV) when the regulator is enabled\n", voltage, BUSVOODOO_XV_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
|
||||
// check if we can control xV
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_3V3_CHANNEL); // get reference voltage
|
||||
if (isnan(voltage)) {
|
||||
printf("can get 3V3 rail voltage");
|
||||
goto error;
|
||||
}
|
||||
uint16_t dac_set = BUSVOODOO_XV_SET(BUSVOODOO_XV_TEST)/voltage*4095; // DAC value corresponding to the voltage
|
||||
dac_load_data_buffer_single(dac_set, RIGHT12, BUSVOODOO_XVCTL_CHANNEL); // set output so the voltage regulator is set to 2.5V
|
||||
dac_software_trigger(BUSVOODOO_XVCTL_CHANNEL); // transfer the value to the DAC
|
||||
dac_enable(BUSVOODOO_XVCTL_CHANNEL); // enable DAC
|
||||
sleep_ms(5); // let voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL); // get xV voltage
|
||||
// check if it matched desired voltage
|
||||
if (voltage<BUSVOODOO_XV_TEST-0.2) {
|
||||
printf("xV voltage is lower (%.2fV) than set (%.2fV)\n", voltage, BUSVOODOO_XV_TEST);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>BUSVOODOO_XV_TEST+0.2) {
|
||||
printf("xV voltage is highed (%.2fV) than set (%.2fV)\n", voltage, BUSVOODOO_XV_TEST);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
dac_disable(BUSVOODOO_XVCTL_CHANNEL); // disable xV control
|
||||
gpio_clear(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // disable xV voltage regulator
|
||||
sleep_ms(1); // let voltage settle
|
||||
|
||||
// check 12V voltage regulator
|
||||
if (busvoodoo_full) {
|
||||
gpio_set(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // disable 12V voltage regulator
|
||||
sleep_ms(1); // let voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_12V_CHANNEL); // get 12V voltage
|
||||
if (voltage>0.2) { // ensure the output is at 0V when the regulator is not enabled
|
||||
printf("12V voltage is %.2fV instead of 0V when the regulator is disabled\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_clear(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // enable 12V voltage regulator
|
||||
sleep_ms(10); // let the voltage regulator start and voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_12V_CHANNEL); // get 12V voltage
|
||||
// without being driven it should be around the default voltage
|
||||
if (voltage<BUSVOODOO_12V_DEFAULT-0.3) {
|
||||
printf("12V voltage is lower (%.2fV) than expected (%.2fV) when regulator is enabled\n", voltage, BUSVOODOO_12V_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>BUSVOODOO_12V_DEFAULT+0.3) {
|
||||
printf("12V voltage is higher (%.2fV) than expected (%.2fV) when regulator is enabled\n", voltage, BUSVOODOO_12V_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
|
||||
// check if we can control 12V voltage regulator
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_3V3_CHANNEL); // get reference voltage
|
||||
if (isnan(voltage)) {
|
||||
printf("can get 3V3 rail voltage");
|
||||
goto error;
|
||||
}
|
||||
dac_set = BUSVOODOO_12V_SET(BUSVOODOO_12V_TEST)/voltage*4095; // DAC value corresponding to the voltage
|
||||
dac_load_data_buffer_single(dac_set, RIGHT12, BUSVOODOO_12VCTL_CHANNEL); // set output so the voltage regulator is set to desired output voltage
|
||||
dac_software_trigger(BUSVOODOO_12VCTL_CHANNEL); // transfer the value to the DAC
|
||||
dac_enable(BUSVOODOO_12VCTL_CHANNEL); // enable DAC
|
||||
sleep_ms(10); // let voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_12V_CHANNEL); // get 12V voltage
|
||||
if (voltage<BUSVOODOO_12V_TEST-0.3) {
|
||||
printf("12V voltage is lower (%.2fV) than set (%.2fV)\n", voltage, BUSVOODOO_12V_TEST);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>BUSVOODOO_12V_TEST+0.3) {
|
||||
printf("12V voltage is higher (%.2fV) than set (%.2fV)\n", voltage, BUSVOODOO_12V_TEST);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
dac_disable(BUSVOODOO_12VCTL_CHANNEL); // disable 12V control
|
||||
gpio_set(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // disable 12V voltage regulator
|
||||
sleep_ms(1); // let voltage settle
|
||||
}
|
||||
|
||||
// pull all pins down and ensure they are low
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_clear(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull down so it's not floating
|
||||
}
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins) && pin<LENGTH(busvoodoo_io_names); pin++) {
|
||||
if (gpio_get(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin])) { // ensure it really is low
|
||||
printf("signal %s is high although it is pulled low (internal)\n", busvoodoo_io_names[pin]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
// pull all pins up and ensure they are high
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_set(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull up using internal pull-up
|
||||
}
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins) && pin<LENGTH(busvoodoo_io_names); pin++) {
|
||||
if (!gpio_get(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin])) { // ensure it really is high
|
||||
printf("signal %s is low although it is pulled up (internal)\n", busvoodoo_io_names[pin]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
|
||||
// set individual pin high and ensure only pins in the same group are at the same level
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_clear(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull down to ensure it is not high by accident
|
||||
}
|
||||
for (uint8_t pin1=0; pin1<LENGTH(busvoodoo_io_ports) && pin1<LENGTH(busvoodoo_io_pins) && pin1<LENGTH(busvoodoo_io_groups) && pin1<LENGTH(busvoodoo_io_names); pin1++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin1], GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, busvoodoo_io_pins[pin1]); // set button pin to output
|
||||
gpio_set(busvoodoo_io_ports[pin1], busvoodoo_io_pins[pin1]); // set pin high
|
||||
for (uint8_t pin2=0; pin2<LENGTH(busvoodoo_io_ports) && pin2<LENGTH(busvoodoo_io_pins) && pin2<LENGTH(busvoodoo_io_groups) && pin2<LENGTH(busvoodoo_io_names); pin2++) {
|
||||
if (busvoodoo_io_groups[pin1]==busvoodoo_io_groups[pin2] && !gpio_get(busvoodoo_io_ports[pin2], busvoodoo_io_pins[pin2])) {
|
||||
printf("signal %s of I/O-%u is low while it should be set high by signal %s of I/O-%u\n", busvoodoo_io_names[pin2], busvoodoo_io_groups[pin2], busvoodoo_io_names[pin1], busvoodoo_io_groups[pin1]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (busvoodoo_io_groups[pin1]!=busvoodoo_io_groups[pin2] && gpio_get(busvoodoo_io_ports[pin2], busvoodoo_io_pins[pin2])) {
|
||||
printf("signal %s of I/O-%u is high while it should not be set high by signal %s of I/O-%u\n", busvoodoo_io_names[pin2], busvoodoo_io_groups[pin2], busvoodoo_io_names[pin1], busvoodoo_io_groups[pin1]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
gpio_set_mode(busvoodoo_io_ports[pin1], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin1]); // set pin back to input
|
||||
gpio_clear(busvoodoo_io_ports[pin1], busvoodoo_io_pins[pin1]); // pull pin back down
|
||||
}
|
||||
// set individual pin low and ensure only pins in the same group are at the same level
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_set(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull up to ensure it is not low by accident
|
||||
}
|
||||
for (uint8_t pin1=0; pin1<LENGTH(busvoodoo_io_ports) && pin1<LENGTH(busvoodoo_io_pins) && pin1<LENGTH(busvoodoo_io_groups) && pin1<LENGTH(busvoodoo_io_names); pin1++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin1], GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, busvoodoo_io_pins[pin1]); // set button pin to output
|
||||
gpio_clear(busvoodoo_io_ports[pin1], busvoodoo_io_pins[pin1]); // set pin low
|
||||
for (uint8_t pin2=0; pin2<LENGTH(busvoodoo_io_ports) && pin2<LENGTH(busvoodoo_io_pins) && pin2<LENGTH(busvoodoo_io_groups) && pin2<LENGTH(busvoodoo_io_names); pin2++) {
|
||||
if (busvoodoo_io_groups[pin1]==busvoodoo_io_groups[pin2] && gpio_get(busvoodoo_io_ports[pin2], busvoodoo_io_pins[pin2])) {
|
||||
printf("signal %s of I/O-%u is high while it should be set low by signal %s of I/O-%u\n", busvoodoo_io_names[pin2], busvoodoo_io_groups[pin2], busvoodoo_io_names[pin1], busvoodoo_io_groups[pin1]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (busvoodoo_io_groups[pin1]!=busvoodoo_io_groups[pin2] && !gpio_get(busvoodoo_io_ports[pin2], busvoodoo_io_pins[pin2])) {
|
||||
printf("signal %s of I/O-%u is low while it should not be set low by signal %s of I/O-%u\n", busvoodoo_io_names[pin2], busvoodoo_io_groups[pin2], busvoodoo_io_names[pin1], busvoodoo_io_groups[pin1]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
gpio_set_mode(busvoodoo_io_ports[pin1], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin1]); // set pin back to input
|
||||
gpio_set(busvoodoo_io_ports[pin1], busvoodoo_io_pins[pin1]); // pull pin back up
|
||||
}
|
||||
|
||||
// test 5V pull-up
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_clear(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull down to ensure it is not high by accident
|
||||
}
|
||||
gpio_clear(GPIO(BUSVOODOO_5VPULLUP_PORT), GPIO(BUSVOODOO_5VPULLUP_PIN)); // enable 5V pull-up
|
||||
gpio_clear(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO(BUSVOODOO_OEPULLUP_PIN)); // switch on embedded pull-ups
|
||||
sleep_ms(1); // wait a bit for voltage to settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_5V_CHANNEL); // get 5V power rail voltage
|
||||
if (voltage<4.0) {
|
||||
printf("5V power rail voltage is too low when used to pull up: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>5.5) {
|
||||
printf("5V power rail voltage is too high when used to pull up: %.2fV\n", voltage);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins) && pin<LENGTH(busvoodoo_io_names); pin++) {
|
||||
if (!gpio_get(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin])) { // ensure it really is high
|
||||
printf("signal %s is low although it is pulled up by 5V (embedded)\n", busvoodoo_io_names[pin]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_5VPULLUP_PORT), GPIO(BUSVOODOO_5VPULLUP_PIN)); // disable 5V pull-up
|
||||
gpio_set(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO(BUSVOODOO_OEPULLUP_PIN)); // switch off embedded pull-up
|
||||
|
||||
// test xV pull-up set to 3.3V
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins); pin++) {
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, busvoodoo_io_pins[pin]); // set pin to input
|
||||
gpio_clear(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // pull down to ensure it is not high by accident
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // enable xV voltage regulator
|
||||
gpio_clear(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO(BUSVOODOO_OEPULLUP_PIN)); // switch in embedded pull-up
|
||||
sleep_ms(5); // let the voltage regulator start and voltage settle
|
||||
voltage = busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL); // get xV voltage (without being driven it should be around 3.2V)
|
||||
if (voltage<BUSVOODOO_XV_DEFAULT-0.2) {
|
||||
printf("xV voltage is lower (%.2fV) than expected (%.2fV) when used to pull up\n", voltage, BUSVOODOO_XV_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
} else if (voltage>BUSVOODOO_XV_DEFAULT+0.2) {
|
||||
printf("xV voltage is higher (%.2fV) than expected (%.2fV) when used to pull up\n", voltage, BUSVOODOO_XV_DEFAULT);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins) && pin<LENGTH(busvoodoo_io_names); pin++) {
|
||||
if (!gpio_get(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin])) { // ensure it really is high
|
||||
printf("signal %s is low although it is pulled up by xV (embedded)\n", busvoodoo_io_names[pin]); // warn user about the error
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_OEPULLUP_PORT), GPIO(BUSVOODOO_OEPULLUP_PIN)); // switch off embedded pull-up
|
||||
gpio_clear(GPIO(BUSVOODOO_XVEN_PORT), GPIO(BUSVOODOO_XVEN_PIN)); // disable xV voltage regulator
|
||||
|
||||
to_return = true; // all tests are successful
|
||||
error:
|
||||
busvoodoo_safe_state(); // set back to safe state
|
||||
if (!to_return) {
|
||||
printf("the test procedure has been aborted for safety reasons\n");
|
||||
}
|
||||
|
||||
return to_return;
|
||||
}
|
||||
|
||||
bool busvoodoo_hiz_test_pins(void)
|
||||
{
|
||||
bool to_return = false; // test result to return
|
||||
busvoodoo_safe_state(); // start from safe state with all outputs switched off
|
||||
|
||||
const char* xv_to = "connect I/O pin 4 to "; // most outputs will be tested using xV ADC
|
||||
const char* xv_high = "pin 4 is high while it should be low, other pin might be defective\n"; // error message if expect low output is high
|
||||
|
||||
// test GND on pin 1 by shorting xV_CTL to ground (through 40k resistor) and measure short
|
||||
gpio_set(GPIO(BUSVOODOO_XVCTL_PORT), GPIO(BUSVOODOO_XVCTL_PIN)); // set pin high
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVCTL_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_XVCTL_PIN)); // set xV control pin as output
|
||||
printf("%sI/O pin 1\n", xv_to);
|
||||
while (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) { // wait until pin is shorted to ground
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_clear(GPIO(BUSVOODOO_XVCTL_PORT), GPIO(BUSVOODOO_XVCTL_PIN)); // set pin low
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVCTL_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_XVCTL_PIN)); // set xV control pin as output
|
||||
led_toggle(); // notify user test is almost almost
|
||||
sleep_ms(200); // wait for voltage to settle an debounce
|
||||
if (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) {
|
||||
printf(xv_high);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set_mode(GPIO(BUSVOODOO_XVCTL_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, GPIO(BUSVOODOO_XVCTL_PIN)); // set xV control pin back to analog input for DAC
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
// test 5V output on pin 2
|
||||
gpio_clear(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // enable Vout
|
||||
printf("%sI/O pin 2\n", xv_to);
|
||||
while (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)<0.2) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // disable Vout
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle and debounce
|
||||
if (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) {
|
||||
printf(xv_high);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
// test 3.3V output on pin 3
|
||||
gpio_clear(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // enable Vout
|
||||
printf("%sI/O pin 3\n", xv_to);
|
||||
while (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)<0.2 || busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>3.5) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_VOUTEN_PORT), GPIO(BUSVOODOO_VOUTEN_PIN)); // disable Vout
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle and debounce
|
||||
if (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) {
|
||||
printf(xv_high);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
// test I/O pins
|
||||
for (uint8_t io=1; io<=6; io++) { // test each I/O pin
|
||||
for (uint8_t pin=0; pin<LENGTH(busvoodoo_io_ports) && pin<LENGTH(busvoodoo_io_pins) && pin<LENGTH(busvoodoo_io_groups); pin++) { // look for a pin mapped on this I/O
|
||||
if (busvoodoo_io_groups[pin]==io) {
|
||||
gpio_set(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // set pin high
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, busvoodoo_io_pins[pin]); // set pin to output
|
||||
printf("%sI/O pin %u\n", xv_to, io+4);
|
||||
while (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)<0.2) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_clear(busvoodoo_io_ports[pin], busvoodoo_io_pins[pin]); // set pin low
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle and debounce
|
||||
if (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) {
|
||||
printf(xv_high);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set_mode(busvoodoo_io_ports[pin], GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, busvoodoo_io_pins[pin]); // set pin back to input
|
||||
led_toggle(); // notify user test is complete
|
||||
break; // stop looking for pin
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (busvoodoo_full) {
|
||||
// test 12V output on RS/CAN pin 1
|
||||
double voltage = busvoodoo_rail_voltage(BUSVOODOO_3V3_CHANNEL); // get reference voltage
|
||||
uint16_t dac_set = BUSVOODOO_12V_SET(5.0)/voltage*4095; // DAC value corresponding to the voltage
|
||||
dac_load_data_buffer_single(dac_set, RIGHT12, BUSVOODOO_12VCTL_CHANNEL); // set output so the voltage regulator is set to desired output voltage
|
||||
dac_software_trigger(BUSVOODOO_12VCTL_CHANNEL); // transfer the value to the DAC
|
||||
dac_enable(BUSVOODOO_12VCTL_CHANNEL); // enable DAC
|
||||
gpio_clear(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // enable 12V voltage regulator
|
||||
printf("%sRS/CAN pin 1\n", xv_to);
|
||||
while (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)<0.2) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_12VEN_PORT), GPIO(BUSVOODOO_12VEN_PIN)); // disable 12V voltage regulator
|
||||
dac_disable(BUSVOODOO_12VCTL_CHANNEL); // disable 12V control
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle (and debounce)
|
||||
if (busvoodoo_rail_voltage(BUSVOODOO_XV_CHANNEL)>0.2) {
|
||||
printf(xv_high);
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
// test RS-232 port (with itself)
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_EN_PORT)); // enable clock for GPIO domain
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_EN_PORT), GPIO(BUSVOODOO_RS232_EN_PIN)); // set low to enable receiver
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_EN_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, GPIO(BUSVOODOO_RS232_EN_PIN)); // set pin as output (open-drain pulled high to disable receiver)
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_SHDN_PORT)); // enable clock for GPIO domain
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_SHDN_PORT), GPIO(BUSVOODOO_RS232_SHDN_PIN)); // set high to enable transmitter
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_SHDN_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_RS232_SHDN_PIN)); // set pin as output (push-pull pulled low to disable transmitter)
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_TX_PORT)); // enable clock for GPIO
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_TX_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_RS232_TX_PIN)); // set pin as output (push-pull)
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_RX_PORT)); // enable clock for GPIO
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO(BUSVOODOO_RS232_RX_PIN)); // set pin as input (with pull resistors)
|
||||
// start by setting low since unconnected (pulled to ground by 3 kO) is considered as high
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_TX_PORT), GPIO(BUSVOODOO_RS232_TX_PIN)); // set low
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO(BUSVOODOO_RS232_RX_PIN)); // pull high to avoid false negative
|
||||
sleep_ms(5);
|
||||
printf("connect RS/CAN pin 2 to RS/CAN pin 3\n");
|
||||
while (gpio_get(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO(BUSVOODOO_RS232_RX_PIN))) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_TX_PORT), GPIO(BUSVOODOO_RS232_TX_PIN)); // set high
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO(BUSVOODOO_RS232_RX_PIN)); // pull low to avoid false negative
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle and debounce
|
||||
if (!gpio_get(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO(BUSVOODOO_RS232_RX_PIN))) { // check if RX is set low by TX
|
||||
printf("CAN/RS pin 2 is high while it should be set low by pin 3\n");
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_TX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_TX_PIN)); // free pin
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RX_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_RX_PIN)); // free pin
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_RTS_PORT)); // enable clock for GPIO
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RTS_PORT), GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO(BUSVOODOO_RS232_RTS_PIN)); // set pin as output (push-pull)
|
||||
rcc_periph_clock_enable(RCC_GPIO(BUSVOODOO_RS232_CTS_PORT)); // enable clock for GPIO
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, GPIO(BUSVOODOO_RS232_CTS_PIN)); // set pin as input (with pull resistors)
|
||||
// start by setting low since unconnected (pulled to ground by 3 kO) is considered as high
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_RTS_PORT), GPIO(BUSVOODOO_RS232_RTS_PIN)); // set low
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO(BUSVOODOO_RS232_CTS_PIN)); // pull high to avoid false negative
|
||||
printf("connect RS/CAN pin 4 to RS/CAN pin 5\n");
|
||||
while (gpio_get(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO(BUSVOODOO_RS232_CTS_PIN))) { // wait until pin is connected
|
||||
sleep_ms(200); // wait for user to make connection
|
||||
}
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_RTS_PORT), GPIO(BUSVOODOO_RS232_RTS_PIN)); // set high
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO(BUSVOODOO_RS232_CTS_PIN)); // pull low to avoid false negative
|
||||
led_toggle(); // notify user test is almost complete
|
||||
sleep_ms(200); // wait for voltage to settle an debounce
|
||||
if (!gpio_get(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO(BUSVOODOO_RS232_CTS_PIN))) { // check if CTS is set high by RTS
|
||||
printf("CAN/RS pin 5 is high while it should be set low by pin 4\n");
|
||||
#if DEBUG
|
||||
while (true);
|
||||
#else
|
||||
goto error;
|
||||
#endif
|
||||
}
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_RTS_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_RTS_PIN)); // free pin
|
||||
gpio_set_mode(GPIO(BUSVOODOO_RS232_CTS_PORT), GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO(BUSVOODOO_RS232_CTS_PIN)); // free pin
|
||||
led_toggle(); // notify user test is complete
|
||||
|
||||
gpio_set(GPIO(BUSVOODOO_RS232_EN_PORT), GPIO(BUSVOODOO_RS232_EN_PIN)); // set high to disable receiver
|
||||
gpio_clear(GPIO(BUSVOODOO_RS232_SHDN_PORT), GPIO(BUSVOODOO_RS232_SHDN_PIN)); // set low to disable transmitter
|
||||
}
|
||||
|
||||
to_return = true; // all tests passed
|
||||
#if DEBUG
|
||||
#else
|
||||
error:
|
||||
#endif
|
||||
busvoodoo_safe_state(); // go back to safe state
|
||||
if (!to_return) {
|
||||
printf("the test procedure has been aborted for safety reasons\n");
|
||||
}
|
||||
|
||||
return to_return;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/* 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 <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
*/
|
||||
/** BusVoodoo high impedance (HiZ) default mode (API)
|
||||
* @file busvoodoo_hiz.h
|
||||
* @author King Kévin <kingkevin@cuvoodoo.info>
|
||||
* @date 2018
|
||||
*/
|
||||
|
||||
/** perform self tests
|
||||
* @return if self tests passed
|
||||
*/
|
||||
bool busvoodoo_hiz_test_self(void);
|
||||
/** test if signals are soldered correctly to the connector pins
|
||||
* @return if pin test passed
|
||||
*/
|
||||
bool busvoodoo_hiz_test_pins(void);
|
||||
|
||||
Loading…
Reference in New Issue