terminal application with ipc, shift+pause state dumper, hello world for terminal, meminfo popup program

1 files changed, 68 insertions, 0 deletions

diff --git a/src/user/include/libterm/command.h b/src/user/include/libterm/command.h
new file mode 100644
index 0000000..7587306
--- /dev/null
+++ b/src/user/include/libterm/command.h
@@ -0,0 +1,68 @@
+#ifndef LIBTERM_COMMAND_H
+#define LIBTERM_COMMAND_H
+
+#include <libterm/terminal.h>
+
+#include <knob/ipc.h>
+
+#include <keypack.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+//set to stdio task by default
+extern _task_handle_t term_task;
+
+struct terminal_command {
+  enum {
+    SET_DIMENSIONS,
+    GET_DIMENSIONS,
+    PAINT,
+    CLEAR,
+    SET_COLOR,
+    SET_CURSOR,
+    CURSOR_LEFT,
+    CURSOR_RIGHT,
+    CURSOR_UP,
+    CURSOR_DOWN,
+    ADD_CHAR,
+    ADD_SN,
+    ADD_SN_NO_WORDWRAP,
+    GET_KEY
+  } kind;
+
+  union {
+    struct {
+      uint32_t y;
+      uint32_t x;
+    } as_coords;
+    struct {
+      uint8_t fg;
+      uint8_t bg;
+    } as_color;
+    char as_char;
+    uint32_t as_uint;
+  };
+} __attribute__ ((__packed__));
+
+union terminal_response {
+  struct {
+    uint32_t y;
+    uint32_t x;
+  } as_coords;
+  struct key_packet as_key;
+} __attribute__ ((__packed__));
+
+//returns false if terminal has died
+static inline bool try_send_command(struct terminal_command *cmd) {
+  return try_send_ipc(term_task, cmd, sizeof(struct terminal_command))
+                                   == sizeof(struct terminal_command);
+}
+
+//returns false if terminal has died
+static inline bool try_get_response(union terminal_response *rs) {
+  return try_read_ipc(term_task, rs, sizeof(union terminal_response))
+                                  == sizeof(union terminal_response);
+}
+
+#endif
\ No newline at end of file