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-rw-r--r--Makefile17
-rw-r--r--hapc_frame.c49
-rw-r--r--hapc_frame.h109
-rw-r--r--hapc_test.c55
4 files changed, 230 insertions, 0 deletions
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..3b6153c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,17 @@
+OSMO_CFLAGS:=`pkg-config --cflags libosmocore`
+OSMO_LDFLAGS:=`pkg-config --libs libosmocore`
+
+CFLAGS=-g -Wall $(OSMO_CFLAGS)
+LDFLAGS=$(OSMO_LDFLAGS)
+
+all: hapc_test
+
+%.o: %.c
+ $(CC) $(CFLAGS) -o $@ -c $<
+
+
+hapc_test: hapc_test.o hapc_frame.o
+ $(CC) $(LDFLAGS) -o $@ $^
+
+clean:
+ rm -f hapc_test *.o || true
diff --git a/hapc_frame.c b/hapc_frame.c
new file mode 100644
index 0000000..1469b60
--- /dev/null
+++ b/hapc_frame.c
@@ -0,0 +1,49 @@
+#include <osmocom/core/utils.h>
+
+#include "hapc_frame.h"
+
+const struct value_string hapc_flow_names[30] = {
+ { HAPC_FLOW_STATUS, "status" },
+ { HAPC_FLOW_DEBUG, "debug" },
+ { HAPC_FLOW_INIT, "init" },
+ { HAPC_FLOW_WI2C, "wi2c" },
+ { HAPC_FLOW_TRACE, "trace" },
+ { HAPC_FLOW_RI2C, "ri2c" },
+ { HAPC_FLOW_MSG, "msg" },
+ { HAPC_FLOW_GDB, "gdb" },
+ { HAPC_FLOW_READ, "read" },
+ { HAPC_FLOW_READ_PACK, "read-pack" },
+ { HAPC_FLOW_WRITE, "write" },
+ { HAPC_FLOW_OBJECT, "object" },
+ { HAPC_FLOW_RESET, "reset" },
+ { HAPC_FLOW_PROTOCOL, "protocol" },
+ { HAPC_FLOW_EEPROM, "eeprom" },
+ { HAPC_FLOW_EEPROM2, "eeprom2" },
+ { HAPC_FLOW_FS, "filesystem" },
+ { HAPC_FLOW_MSG2, "msg2" },
+ { HAPC_FLOW_KBD, "kbd" },
+ { HAPC_FLOW_WATCH, "watch" },
+ { HAPC_FLOW_DIAG, "diag" },
+ { HAPC_FLOW_RTK, "rtk" },
+ { HAPC_FLOW_RPC2, "rpc2" },
+ { HAPC_FLOW_PROD, "prod" },
+ { HAPC_FLOW_RADIO, "radio" },
+ { HAPC_FLOW_AT, "at" },
+ { HAPC_FLOW_TRACE_TSTP, "trace" },
+ { HAPC_FLOW_DUMP, "dump" },
+ { HAPC_FLOW_ATENCAP, "atencap" },
+ { 0, NULL }
+};
+
+const struct value_string hapc_obj_status_names[9] = {
+ { HAPC_OBJ_READ_REQ, "read-req" },
+ { HAPC_OBJ_READ_RESP, "read-resp" },
+ { HAPC_OBJ_WRITE_REQ, "write-req" },
+ { HAPC_OBJ_WRITE_RESP, "write-resp" },
+ { HAPC_OBJ_ID_LIST_REQ, "id-list-req" },
+ { HAPC_OBJ_ID_LIST_RESP,"id-list-resp" },
+ { HAPC_OBJ_DEL_REQ, "delete-req" },
+ { HAPC_OBJ_DEL_RESP, "delete-resp" },
+ { 0, NULL }
+};
+
diff --git a/hapc_frame.h b/hapc_frame.h
new file mode 100644
index 0000000..96a81b6
--- /dev/null
+++ b/hapc_frame.h
@@ -0,0 +1,109 @@
+#pragma once
+
+#include <stdint.h>
+
+enum hapc_flow_id {
+ HAPC_FLOW_STATUS = 0x00,
+ HAPC_FLOW_DEBUG = 0x01,
+ HAPC_FLOW_INIT = 0x02,
+ HAPC_FLOW_WI2C = 0x03,
+ HAPC_FLOW_TRACE = 0x04,
+ HAPC_FLOW_RI2C = 0x05,
+ HAPC_FLOW_MSG = 0x06,
+ HAPC_FLOW_GDB = 0x07,
+ HAPC_FLOW_READ = 0x08,
+ HAPC_FLOW_READ_PACK = 0x09,
+ HAPC_FLOW_WRITE = 0x0A,
+ HAPC_FLOW_OBJECT = 0x0B,
+ HAPC_FLOW_RESET = 0x0C,
+ HAPC_FLOW_PROTOCOL = 0x0D,
+ HAPC_FLOW_EEPROM = 0x0E,
+ HAPC_FLOW_EEPROM2 = 0x0F,
+ HAPC_FLOW_FS = 0x10,
+ HAPC_FLOW_MSG2 = 0x11,
+ HAPC_FLOW_KBD = 0x12,
+ HAPC_FLOW_WATCH = 0x14,
+ HAPC_FLOW_DIAG = 0x16,
+ HAPC_FLOW_RTK = 0x18,
+ HAPC_FLOW_RPC2 = 0x19,
+ HAPC_FLOW_PROD = 0x1A,
+ HAPC_FLOW_RADIO = 0x1C,
+ HAPC_FLOW_AT = 0x1D,
+ HAPC_FLOW_TRACE_TSTP = 0x1E,
+ HAPC_FLOW_DUMP = 0x20,
+ HAPC_FLOW_ATENCAP = 0x9F,
+};
+
+/* HAPC frame format:
+ * first byte: 0xAA
+ * 2nd byte: LSB of length
+ * 3rd byte: MSB of length (3 lower bits) + flow-id (5 upper bits)
+ * N bytes payload
+ * 2 bytes of checksum
+ */
+
+/* common HAPC header */
+struct hapc_msg_hdr {
+ uint8_t aa;
+ uint8_t lsb_len;
+ uint8_t msb_len:3,
+ flow_id:5;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+#define hapc_payload_len(x) ((x)->msb_len << 8 | (x)->lsb_len)
+
+static inline uint8_t hapc_frame_csum(const struct hapc_msg_hdr *mh)
+{
+ unsigned int payload_len = hapc_payload_len(mh);
+
+ return mh->data[payload_len];
+}
+
+enum hapc_obj_status_id {
+ HAPC_OBJ_READ_REQ = 0x01,
+ HAPC_OBJ_READ_RESP = 0x02,
+ HAPC_OBJ_READ_RESP2 = 0x82,
+ HAPC_OBJ_WRITE_REQ = 0x03,
+ HAPC_OBJ_WRITE_RESP = 0x04,
+ HAPC_OBJ_WRITE_RESP2 = 0x84,
+ HAPC_OBJ_ID_LIST_REQ = 0x05,
+ HAPC_OBJ_ID_LIST_RESP = 0x06,
+ HAPC_OBJ_ID_LIST_RESP2 = 0x86,
+ HAPC_OBJ_DEL_REQ = 0x07,
+ HAPC_OBJ_DEL_RESP = 0x08,
+ HAPC_OBJ_DEL_RESP2 = 0x88,
+};
+
+/* uses HAPC_FLOW_OBJECT */
+struct hapc_flash_obj_hdr {
+ uint32_t obj_id;
+ uint32_t mask;
+ uint16_t total_size;
+ uint16_t block_size;
+ uint16_t offset_block;
+ uint8_t obj_status;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+
+/* uses HAPC_FLOW_READ_PACK */
+struct hapc_ram_read {
+ uint32_t start_addr;
+ uint16_t len;
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+/* uses HAPC_FLOW_WRITE */
+struct hapc_ram_write {
+ uint8_t pad0[8];
+ uint32_t start_addr;
+ uint16_t len;
+ uint8_t pad1[2];
+ uint8_t data[0];
+} __attribute__ ((packed));
+
+#include <osmocom/core/utils.h>
+
+extern const struct value_string hapc_flow_names[30];
+const struct value_string hapc_obj_status_names[9];
diff --git a/hapc_test.c b/hapc_test.c
new file mode 100644
index 0000000..a240c14
--- /dev/null
+++ b/hapc_test.c
@@ -0,0 +1,55 @@
+#include <stdio.h>
+
+#include "hapc_frame.h"
+
+const uint8_t test_frame[] = { 0xAA, 0x10, 0x58, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x00, 0x00, 0x01, 0x00, 0x13 };
+const uint8_t resp_frame[] = { 0xAA, 0x20, 0x58, 0x02, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x10, 0x00, 0x00, 0x00, 0x82,
+ 0x18, 0x81, 0x00, 0x00, 0x20, 0x03, 0x00, 0x09, 0x08, 0x91, 0x94, 0x58, 0x16, 0x89, 0x63, 0x07, 0xf2, 0x0d };
+
+static void dump_frame_object(const struct hapc_flash_obj_hdr *foh, unsigned int len)
+{
+ unsigned int payload_len = len - sizeof(*foh);
+ printf("obj_id=0x%08x, mask=0x%08x, total_size=%d, block_size=%d, offset_block=%d, status=%s, data=%s\n",
+ foh->obj_id, foh->mask, foh->total_size, foh->block_size, foh->offset_block,
+ get_value_string(hapc_obj_status_names, foh->obj_status & 0x7f), osmo_hexdump(foh->data, payload_len));
+}
+
+static uint8_t compute_checksum(const uint8_t *data, unsigned int len)
+{
+ unsigned int i;
+ uint8_t checksum = 0;
+
+ for (i = 0; i < len; i++)
+ checksum += data[i];
+
+ return checksum;
+}
+
+void dump_frame(const struct hapc_msg_hdr *hdr)
+{
+ unsigned int len = hapc_payload_len(hdr);
+
+ printf("len=%4u, flow_id=%s: ", len,
+ get_value_string(hapc_flow_names, hdr->flow_id));
+
+ printf("checksum=0x%02x, computed=0x%02x\n",
+ hapc_frame_csum(hdr), compute_checksum((const uint8_t *) hdr, sizeof(*hdr)+len));
+
+ switch (hdr->flow_id) {
+ case HAPC_FLOW_OBJECT:
+ dump_frame_object((const struct hapc_flash_obj_hdr *) hdr->data, len - sizeof(*hdr));
+ break;
+ default:
+ printf("\n");
+ break;
+ }
+}
+
+int main(int argc, char **argv)
+{
+ const struct hapc_msg_hdr *hdr = (const struct hapc_msg_hdr *) test_frame;
+ dump_frame(hdr);
+
+ hdr = (const struct hapc_msg_hdr *) resp_frame;
+ dump_frame(hdr);
+}
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