MEGA-1284P Xplained Example.
Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
Macros | |
| #define | ADC_NUM_OVERSAMPLING 16 |
| #define | ASCII_BACKSPACE 8 |
| #define | ASCII_CR 13 |
| #define | ASCII_SPACE 32 |
| #define | CMD_PROMPT "\r\nMEGA-1284P Xplained>" |
| #define | EXTENDED_STANDBY 0x0F |
| Extended standby SMCR setting. More... | |
| #define | FLASHCOUNT 100 |
| #define | IDLE 0x01 |
| Idle SMCR setting. More... | |
| #define | MAX_CMD_BUFFER_LEN 32 |
| #define | NUM_COMMANDS 12 |
| #define | NUMBER_OF_PORTS 1 |
| Number of ports using touch. More... | |
| #define | POWER_DOWN 0x05 |
| Power-Down SMCR setting. More... | |
| #define | POWER_SAVE 0x07 |
| Power-Save SMCR setting. More... | |
| #define | QT_KEY_DETECT() (qt_measure_data.qt_touch_status.sensor_states[0] & 0x01) |
| Macro used for touch key detection. More... | |
| #define | STANDBY 0x0D |
| Standby SMCR setting. More... | |
Enumerations | |
| enum | adc_sources { FILTER_OUTPUT = 0x05, LIGHT_SENSOR = 0x06, NTC = 0x07 } |
| ADC sources enum. More... | |
Functions | |
| static void | crystal_start_cmd (void) |
| Function to handle 'start 32kHz crystal' command. More... | |
| static void | crystal_stop_cmd (void) |
| Function to handle 'stop 32kHz crystal' command. More... | |
| static void | enter_sleep (uint8_t sleepmode) |
| Function to enter sleep. More... | |
| static void | execute_demo_mode (void) |
| brief Function to execute Demo mode. More... | |
| static void | execute_terminal_mode (void) |
| brief Function to execute terminal mode. More... | |
| static void | ext_standby_cmd (void) |
| Function to handle 'extended standby' command. More... | |
| static void | flash_leds (uint8_t flashcount) |
| Function to flash leds flashcount amount of times. More... | |
| static void | flash_leds_cmd (void) |
| Function to handle 'flash leds' command. More... | |
| static void | idle_mode_cmd (void) |
| Function to handle 'idle' command. More... | |
| ISR (PCINT1_vect) | |
| PCINT8,9,10 ISR used for wake-up from sleep only. More... | |
| ISR (TIMER1_OVF_vect) | |
| TIMER1 overflow ISR used to dim LEDs in light sensor demo mode. More... | |
| ISR (TIMER1_COMPB_vect) | |
| TIMER1 compare B ISR used to dim LEDS in light sensor demo mode. More... | |
| ISR (TIMER1_COMPA_vect) | |
| TIMER1 compare A ISR used to time touch measurement. More... | |
| ISR (TIMER2_OVF_vect) | |
| TIMER2 overflow ISR used to indicate 32kHz crystal running. More... | |
| static void | light_sensor_demo (void) |
| Function to handle 'light sensor demo' command. More... | |
| int | main (void) |
| brief Example code that demonstrates the some of the basic features of the MEGA-1284P Xplained kit. More... | |
| static void | power_down_cmd (void) |
| Function to handle 'power-down' command. More... | |
| static void | power_save_cmd (void) |
| Function to handle 'power-save' command. More... | |
| static void | print_help () |
| Function to print supported commands. More... | |
| static void | process_command (const char *command) |
| Function used to find and execute commands in terminal mode. More... | |
| static uint16_t | read_adc (enum adc_sources source) |
| Function to start ADC conversion. More... | |
| static void | read_light_sensor (void) |
| Function to read Light sensor ADC value. More... | |
| static void | read_ntc (void) |
| Function to read NTC ADC value. More... | |
| static void | standby_cmd (void) |
| Function to handle 'standby' command. More... | |
| static void | start32crystal (void) |
| Function to start 32.768kHz crystal connected to TOSC1 and TOSC2. More... | |
| static void | stop32crystal (void) |
| Function to stop 32.768kHz crystal connected to TOSC1 and TOSC2. More... | |
Variables | |
| struct { | |
| char cmd [20] | |
| void(* func )(void) | |
| char help [70] | |
| } | commands [NUM_COMMANDS] |
| Struct to hold all available commands, their help text and function to call. More... | |
| static volatile uint16_t | current_time_ms_touch = 0 |
| Current time, set by timer1 overflow ISR. More... | |
| static volatile bool | light_sensor_demo_mode = false |
| Global variable used to identify if demo mode is enabled. More... | |
| uint16_t | qt_measurement_period_msec = 25 |
| Touch acquisition timer period in msec. More... | |
| static volatile bool | time_to_measure_touch = false |
| Flag set by timer1 overflow ISR when it's time to measure touch. More... | |
| FILE | usart1_str = FDEV_SETUP_STREAM((int(*)(char, FILE *))usart1_putchar, NULL, _FDEV_SETUP_WRITE) |
| Make sure printf knows where to print. More... | |
| char cmd[20] |
Referenced by print_help(), and process_command().
| void(* func)(void) |
| char help[70] |
Referenced by print_help().
1.8.5