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/*
* Copyright 2020 Birte Kristina Friesel
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "arch.h"
#include "driver/gpio.h"
#include "driver/stdout.h"
#include "driver/stdin.h"
/*
void check_command(unsigned char argc, char** argv)
{
unsigned char i2c_rxbuf[16];
unsigned char i2c_txbuf[16];
float buf = 0;
int i;
if (!strcmp(argv[0], "i2c")) {
if (argc == 0) {
uart_puterr("Usage: i2c <on|off|detect|gettemp> [-u]\n");
return;
}
if (!strcmp(argv[1], "on")) {
if ((argc >= 2) && !strcmp(argv[2], "-u")) {
if (i2c_setup(1) < 0)
uart_puterr("Error initializing I²C: Line is busy\n");
} else {
if (i2c_setup(0) < 0)
uart_puterr("Error initializing I²C: Line is busy\n"
"Do you have hardware pullups on SDA/SCL?\n");
}
} else if (!strcmp(argv[1], "off")) {
uart_puterr("Error: not implemented yet\n");
} else if (!strcmp(argv[1], "detect")) {
i2c_scan();
} else if (!strcmp(argv[1], "tc74")) {
i2c_txbuf[0] = 0x00;
i2c_xmit(0x4d, 1, 1, i2c_txbuf, i2c_rxbuf);
uart_putint(i2c_rxbuf[0]);
uart_puts("°C\n");
} else if (!strcmp(argv[1], "lm75")) {
i2c_txbuf[0] = 0x00;
i2c_xmit(0x48, 1, 2, i2c_txbuf, i2c_rxbuf);
uart_putfloat(i2c_rxbuf[0] + (i2c_rxbuf[1] / 256.0));
uart_puts("°C\n");
}
else if (!strcmp(argv[1], "eepr")) {
i2c_rxbuf[0] = 0;
i2c_txbuf[0] = 0;
i2c_txbuf[1] = argv[2][0];
i2c_xmit(0x50, 2, 1, i2c_txbuf, i2c_rxbuf);
uart_putint(i2c_rxbuf[0]);
uart_puts("\n");
}
else if (!strcmp(argv[1], "eepw")) {
i2c_txbuf[0] = 0;
i2c_txbuf[1] = argv[2][0];
i2c_txbuf[2] = argv[3][0];
i2c_txbuf[3] = argv[3][1];
i2c_txbuf[4] = argv[3][2];
i2c_txbuf[5] = argv[3][3];
i2c_txbuf[6] = argv[3][4];
i2c_txbuf[7] = argv[3][5];
i2c_xmit(0x50, 8, 0, i2c_txbuf, i2c_rxbuf);
}
} else if (!strcmp(argv[0], "sensors")) {
for (i = 0; i < 32; i++) {
buf += adc_gettemp();
__delay_cycles(64000);
}
uart_puts("Temperature : ");
uart_putfloat(buf / 32);
uart_puts("°C avg / ");
uart_putfloat(adc_gettemp());
uart_puts("°C single\n Voltage : ");
uart_putfloat(adc_getvcc());
uart_puts("V\n");
} else if (!strcmp(argv[0], "spi")) {
if (argc == 0) {
uart_puterr("Usage: spi <on|off|sharp>\n");
return;
}
if (!strcmp(argv[1], "on")) {
spi_setup();
}
} else if (!strcmp(argv[0], "help")) {
uart_puts("Supported commands: i2c sensors\n");
} else {
uart_puterr("Unknown command\n");
}
}
*/
void loop(void)
{
gpio.led_toggle(1);
}
void wakeup(void)
{
char key;
while (kin.hasKey()) {
key = kin.getKey();
if (key == '\r') {
kout.put('\n');
} else {
kout.put(key);
}
}
}
int main(void)
{
arch.setup();
gpio.setup();
kout.setup();
kin.setup();
kout << "ohai > " << endl;;
kout << "ohai > " << endl;;
kout << "ohai > " << endl;;
kout << "ohai > " << endl;;
kout << "ohai > " << endl;;
arch.idle_loop();
return 0;
}
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