Add basic system: LED GPIO on MSP430FR5969 Launchpad and faked GPIO on POSIX

1 files changed, 100 insertions, 0 deletions

diff --git a/src/os/main.cc b/src/os/main.cc
new file mode 100644
index 0000000..fff8aec
--- /dev/null
+++ b/src/os/main.cc
@@ -0,0 +1,100 @@
+#include "arch.h"
+#include "driver/gpio.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");
+	}
+}
+*/
+
+int main(void)
+{
+	arch.setup();
+	gpio.setup();
+	gpio.led_on(1);
+	arch.idle_loop();
+
+	//uart_setup();
+	//uart_puts("\n" COL_YELLOW "dOS" COL_GREEN " > " COL_RESET);
+
+	//arch_idle_loop();
+
+	return 0;
+}