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/**
*
* Author: Dylan Muller
* Copyright (c) 2025
* All rights reserved.
*
* - Commercial/IP use prohibited.
* - Attribution required.
* See License.txt
*
*/
#include "setup.h"
#include "peripheral/timer.h"
#include "peripheral/uart.h"
#include "peripheral/twi.h"
#include "peripheral/spi.h"
#include "driver/mcp3202.h"
#include "driver/mcp4725.h"
#include "driver/f1956.h"
#include "driver/si4468.h"
#include "module/gate.h"
#include "module/drain.h"
#include "cmd.h"
#include "bsp.h"
#include "status.h"
#include "util.h"
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include <avr/pgmspace.h>
#include <avr/wdt.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdbool.h>
extern t_gate_status gate_status;
extern t_drain_status drain_status;
extern t_system_status system_status;
void system_info(void)
{
CMD_PRINT("SYSTEM BOOT v" SYS_VER_STR);
CMD_PRINT("SYSTEM INIT");
printf("%d BYTES AVAILABLE\n", util_get_free_mem());
}
void setup(void)
{
cli();
gate_status.status = GATE_STATUS_INACTIVE;
drain_status.status = DRAIN_STATUS_INACTIVE;
system_status.status = SYSTEM_STATUS_IDLE;
wdt_reset();
wdt_disable();
timer_init();
uart_init();
twi_init();
spi_init();
sei();
_delay_ms(INIT_DELAY_MS);
si4468_init();
adc_init();
att_init(0);
dac_init(0);
_delay_ms(INIT_DELAY_MS);
si4468_apply_startup_config();
_delay_ms(INIT_DELAY_MS);
si4468_rx_mode();
}
void report_system_status()
{
uint16_t gate_v_set = 0x0;
uint16_t gate_v_count = 0x0;
uint16_t drain_v_set = 0x0;
uint16_t drain_v_adc = 0x0;
uint16_t drain_amp_count = 0x0;
uint16_t drain_amp = 0x0;
uint16_t drain_v_count = 0x0;
uint16_t fw_pwr_adc = 0x0;
uint16_t fw_pwr_volt = 0x0;
int16_t fw_pwr = 0x0;
// gate status
gate_status.q_drain = GATE_PROBE_DRAIN;
gate_v_count = dac_read(MCP4725_ID_GATE_VOLT, 0);
util_count_to_volt(gate_v_count, &gate_v_set);
gate_status.v_set = gate_v_set;
printf_P(PSTR("- GATE -\n"));
printf_P(PSTR("STATUS : %s\n"),
pgm_read_word(&gate_lut[gate_status.status]));
printf_P(PSTR("Q-VOLT (mV) : %d\n"), gate_status.q_volt);
printf_P(PSTR("Q-AMP (mA) : %d\n"), gate_status.q_amp);
printf_P(PSTR("Q-TIME (ms) : %d\n"), gate_status.q_time);
printf_P(PSTR("V-SET (mV) : %d\n"), gate_status.v_set);
printf_P(PSTR("Q-DRAIN (mV) : %d\n"), gate_status.q_drain);
// drain status
drain_v_count = dac_read(MCP4725_ID_DRAIN_VOLT, 0);
util_count_to_volt(drain_v_count, &drain_v_set);
drain_status.v_set = drain_v_set;
drain_v_count = adc_read(MCP3202_ID_DRAIN_VOLT, 0);
util_count_to_volt(drain_v_count, &drain_v_adc);
drain_status.v_adc = drain_v_adc;
drain_amp_count = adc_read(MCP3202_ID_DRAIN_AMP, 0);
util_count_to_volt(drain_amp_count, &drain_amp);
drain_status.amp = drain_amp;
printf_P(PSTR("- DRAIN -\n"));
printf_P(PSTR("STATUS : %s\n"),
pgm_read_word(&drain_lut[drain_status.status]));
printf_P(PSTR("V-ADC (mV) : %d\n"), drain_status.v_adc);
printf_P(PSTR("V-SET (mV) : %d\n"), drain_status.v_set);
printf_P(PSTR("AMP (mA) : %d\n"), drain_status.amp);
// system status
fw_pwr_adc = adc_read_n(MCP3202_ID_FW_POWER, DRAIN_POWER_SAMPLES);
util_count_to_volt(fw_pwr_adc, &fw_pwr_volt);
util_count_to_pwr(fw_pwr_adc, &fw_pwr);
system_status.v_fw = fw_pwr_volt;
system_status.p_fw = fw_pwr;
printf_P(PSTR("- SYSTEM -\n"));
printf_P(PSTR("STATUS : %s\n"),
pgm_read_word(&system_lut[system_status.status]));
printf_P(PSTR("V-FWD (mV) : %d\n"), system_status.v_fw);
printf_P(PSTR("P-FWD (cdBm) : %d\n"), system_status.p_fw);
printf_P(PSTR("P-SET (cdBm) : %d\n"), system_status.p_set);
printf_P(PSTR("T-DELTA (ms) : %d\n"), system_status.d_time);
}
void loop()
{
char uart_buffer[UART_BUF_SIZE];
char cmd_buffer[UART_BUF_SIZE];
char* cmd_tok = 0x0;
int16_t argv[CMD_MAX_ARGS];
uint16_t argc = 0x0;
bool gate_probed = false;
while (1)
{
cmd_tok = 0x0;
argc = 0x0;
if(uart_ngets(uart_buffer, UART_BUF_SIZE))
{
cmd_tok = strtok(uart_buffer, " ");
strcpy(cmd_buffer, cmd_tok);
while ((cmd_tok = strtok(NULL, " ")) != NULL) {
argv[argc++] = atoi(cmd_tok);
}
if (CMD_SWITCH(CMD_REPORT, uart_buffer))
{
CMD_PRINT("DUMP SYSTEM REPORT");
report_system_status();
}
else if (CMD_SWITCH(CMD_POWER_GET, uart_buffer))
{
CMD_PRINT("DUMP POWER ADC");
uint16_t fw_pwr_adc = adc_read_n(MCP3202_ID_FW_POWER,10);
CMD_PRINT_FMT("%d", fw_pwr_adc);
}
else if (CMD_SWITCH(CMD_PROBE, uart_buffer))
{
uint16_t gate_probe_count = 0x0;
uint16_t drain_current = 0x0;
uint32_t time_start = 0x0;
uint16_t time_delta = 0x0;
if (!gate_probed)
{
CMD_PRINT("STARTING Q-PROBE");
CMD_PRINT_FMT("DRAIN_Q_AMP = %d mA", DRAIN_Q_AMP);
time_start = timer_millis();
si4468_rx_mode();
drain_current = gate_probe(DRAIN_Q_AMP, &gate_probe_count);
time_delta = (uint16_t)(timer_millis() - time_start);
gate_status.q_time = time_delta;
CMD_PRINT_FMT("PROBE COMPLETED IN %d ms", time_delta);
if (drain_current >= DRAIN_Q_AMP)
{
gate_status.status = GATE_STATUS_PROBE_SUCCESS;
CMD_PRINT_FMT("Q-PROBE SUCCEEDED, IQ = %d mA", drain_current);
gate_probed = true;
}
else
{
gate_status.status = GATE_STATUS_PROBE_ERROR;
CMD_PRINT_FMT("Q-PROBE FAILED, IQ = %d mA", drain_current);
continue;
}
}
else
{
CMD_ERROR("ACTIVE GATE PROBE");
}
}
else if (CMD_SWITCH(CMD_POWER_SET, cmd_buffer))
{
if (argc != 1)
{
CMD_ERROR("USAGE: POWER <cdBm>");
continue;
}
int16_t rf_power = argv[0];
if (rf_power < DRAIN_POWER_LOW_LIM ||
rf_power > DRAIN_POWER_HIGH_LIM ||
(rf_power % DRAIN_POWER_MODULUS) != 0)
{
CMD_ERROR("INVALID INPUT POWER");
continue;
}
if (!gate_probed)
{
CMD_PRINT("NO GATE PROBE");
continue;
}
system_status.p_set = rf_power;
CMD_PRINT_FMT("POWER SETPOINT = %d cdBm", rf_power);
CMD_PRINT("STARTING LINEAR SWEEP");
drain_sweep_pwr(rf_power);
CMD_PRINT_FMT("SWEEP COMPLETED IN %d ms", system_status.d_time);
}
else if (CMD_SWITCH(CMD_DRAIN_SET, cmd_buffer))
{
if (argc != 1)
{
CMD_ERROR("USAGE: DRAIN <count>");
continue;
}
uint16_t drain_count = argv[0];
if (drain_count > 4096)
{
CMD_ERROR("RANGE ERROR");
continue;
}
dac_write(MCP4725_ID_DRAIN_VOLT, drain_count, 1);
}
else if (CMD_SWITCH(CMD_RX, uart_buffer))
{
CMD_PRINT("RADIO RX MODE");
si4468_rx_mode();
}
else if (CMD_SWITCH(CMD_TX, uart_buffer))
{
CMD_PRINT("RADIO TX MODE");
si4468_tx_mode();
}
else if (CMD_SWITCH(CMD_HELP, uart_buffer))
{
uint16_t i = 0x0;
CMD_PRINT("DUMP COMMANDS");
printf("- COMMANDS -\n");
for(i = 0; i < CMD_SIZE; i++)
{
printf_P(PSTR("%-10s - %-10s\n"),
pgm_read_word(&cmd_lut[i][0]),
pgm_read_word(&cmd_lut[i][1]));
}
}
else if (CMD_SWITCH(CMD_LINK_REPLY, uart_buffer))
{
CMD_PRINT("HELLO");
}
else if (CMD_SWITCH(CMD_RESET, uart_buffer))
{
CMD_PRINT("SOFT RESET");
_delay_ms(10);
bsp_soft_reset();
}
else
{
CMD_PRINT("UNKNOWN COMMAND");
}
}
}
}
int main()
{
setup();
system_info();
loop();
return 0;
}
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