1 files changed, 94 insertions, 0 deletions
diff --git a/client/cmd.cpp b/client/cmd.cpp
new file mode 100644
index 0000000..ab101e9
--- /dev/null
+++ b/client/cmd.cpp
@@ -0,0 +1,94 @@
+#include <cstdio>
+#include <cstdlib>
+#include <string.h>
+
+#include "cmd.h"
+#include "i2ctcpv1.h"
+#include "sock.h"
+#include "parse.h"
+
+#include "../shared/puzbus.h"
+
+char* consume_token(char* input, const char* ifs) {
+	strtok(input, ifs);
+	return strtok(NULL, "\0");
+}
+
+void cmd_exit(char*) {
+	exit(EXIT_SUCCESS);
+}
+
+void cmd_test(char*) {
+	const char* data = "Hello world!";
+	i2c_send(0x39, data, strlen(data));
+}
+
+void cmd_help(char*) {
+	printf("List of available commands:\n");
+	for (size_t i = 0; i < cmds_length; i++) {
+		struct cmd cmd = cmds[i];
+		printf("  %-*s", 10, cmd.name);
+		if (cmd.info != NULL)
+			printf("  %s", cmd.info);
+		printf("\n");
+	}
+
+	printf(
+		"\n"
+		"You can also use the TAB key to autocomplete commands\n"
+	);
+}
+
+void cmd_send(char* addr_str) {
+	char* data_str = consume_token(addr_str, IFS);
+
+	char* end;
+	uint16_t addr = strtol(addr_str, &end, 0);
+	if (addr_str + strlen(addr_str) != end) {
+		printf("address format error\n");
+		return;
+	}
+
+	char* data;
+	size_t data_size;
+	int err = strtodata(data_str, &data, &data_size);
+	if (err <= 0) {
+		printf("data format error at index %d:\n%s\n%*s^\n",
+				-err, data_str, -err, "");
+		return;
+	}
+
+	printf("sending char data[%lu = 0x%02lx] to 0x%02x\n", data_size, data_size, addr);
+	i2c_send(addr, data, data_size);
+
+	free(data);
+}
+
+void cmd_status(char*) {
+	const char msg[] = {
+		PB_CMD_READ,
+		0x00, // addr 0 = global state
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+	// NOTE: the reply handler will automatically print the state once it's
+	// received
+}
+
+void cmd_reset(char*) {
+	const char msg[] = {
+		PB_CMD_WRITE,
+		0x00,
+		PB_GS_IDLE,
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+}
+
+void cmd_ls(char*) {
+	return;
+	const char msg[] = {
+		PB_CMD_READ,
+		// TODO: which address is this?
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+}
+