hmuartlgw: add initial support for HM-MOD-UART
[hmcfgusb] / flash-ota.c
index 7291e173bc6370dada2af02961947f1051ef8958..2625209af7c9bc9897b5d63ac8dc80375927cccc 100644 (file)
@@ -41,6 +41,7 @@
 #include "version.h"
 #include "hmcfgusb.h"
 #include "culfw.h"
+#include "hmuartlgw.h"
 #include "util.h"
 
 #define MAX_RETRIES            5
@@ -57,22 +58,20 @@ int32_t kNo = -1;
 /* Maximum payloadlen supported by IO */
 uint32_t max_payloadlen = NORMAL_MAX_PAYLOAD;
 
-enum device_type {
-       DEVICE_TYPE_HMCFGUSB,
-       DEVICE_TYPE_CULFW,
-};
-
-struct ota_dev {
-       int type;
-       struct hmcfgusb_dev *hmcfgusb;
-       struct culfw_dev *culfw;
-};
-
 enum message_type {
        MESSAGE_TYPE_E = 1,
        MESSAGE_TYPE_R = 2,
 };
 
+enum hmuartlgw_state {
+       HMUARTLGW_STATE_GET_HMID,
+       HMUARTLGW_STATE_GET_FIRMWARE,
+       HMUARTLGW_STATE_GET_CREDITS,
+       HMUARTLGW_STATE_DONE,
+       HMUARTLGW_STATE_WAIT_APP,
+       HMUARTLGW_STATE_ACK_APP,
+};
+
 struct recv_data {
        uint8_t message[64];
        enum message_type message_type;
@@ -80,6 +79,8 @@ struct recv_data {
        int speed;
        uint16_t version;
        uint8_t credits;
+       enum hmuartlgw_state uartlgw_state;
+       uint8_t uartlgw_version[3];
 };
 
 static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
@@ -205,7 +206,65 @@ static int parse_culfw(uint8_t *buf, int buf_len, void *data)
        return 1;
 }
 
-int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
+static int parse_hmuartlgw(enum hmuartlgw_dst dst, uint8_t *buf, int buf_len, void *data)
+{
+       struct recv_data *rdata = data;
+
+       if (dst == HMUARTLGW_OS) {
+               switch (rdata->uartlgw_state) {
+                       case HMUARTLGW_STATE_GET_FIRMWARE:
+                               if (buf[0] == HMUARTLGW_OS_ACK) {
+                                       rdata->uartlgw_version[0] = buf[5];
+                                       rdata->uartlgw_version[1] = buf[6];
+                                       rdata->uartlgw_version[2] = buf[7];
+                                       rdata->uartlgw_state = HMUARTLGW_STATE_DONE;
+                               }
+                               break;
+                       case HMUARTLGW_STATE_GET_CREDITS:
+                               if (buf[0] == HMUARTLGW_OS_ACK) {
+                                       rdata->credits = buf[2] / 2;
+                                       rdata->uartlgw_state = HMUARTLGW_STATE_DONE;
+                               }
+                               break;
+                       default:
+                               break;
+               }
+               return 0;
+       }
+
+       switch(buf[0]) {
+               case HMUARTLGW_APP_ACK:
+                       if (rdata->uartlgw_state == HMUARTLGW_STATE_GET_HMID) {
+                               my_hmid = (buf[4] << 16) | (buf[5] << 8) | buf[6];
+                       }
+
+                       rdata->status = buf[1];
+                       rdata->message_type = MESSAGE_TYPE_R;
+                       rdata->uartlgw_state = HMUARTLGW_STATE_ACK_APP;
+#if 0
+                       hexdump(buf, buf_len, "ACK Status: ");
+#endif
+
+                       break;
+               case HMUARTLGW_APP_RECV:
+                       if ((!hmid) ||
+                           ((buf[7] == ((hmid >> 16) & 0xff)) &&
+                           (buf[8] == ((hmid >> 8) & 0xff)) &&
+                           (buf[9] == (hmid & 0xff)))) {
+                               memset(rdata->message, 0, sizeof(rdata->message));
+                               memcpy(rdata->message + 1, buf + 4, buf_len - 4);
+                               rdata->message[LEN] = buf_len - 4;
+                               rdata->message_type = MESSAGE_TYPE_E;
+                       }
+                       break;
+               default:
+                       break;
+       }
+
+       return 1;
+}
+
+int send_hm_message(struct hm_dev *dev, struct recv_data *rdata, uint8_t *msg)
 {
        static uint32_t id = 1;
        struct timeval tv;
@@ -351,13 +410,52 @@ int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
                                }
                        }
                        break;
+               case DEVICE_TYPE_HMUARTLGW:
+                       memset(out, 0, sizeof(out));
+
+                       out[0] = HMUARTLGW_APP_SEND;
+                       out[1] = 0x00;
+                       out[2] = 0x00;
+                       out[3] = (msg[CTL] & 0x10) ? 0x01 : 0x00; /* Burst?! */
+                       memcpy(&out[4], &msg[1], msg[0]);
+
+                       memset(rdata, 0, sizeof(struct recv_data));
+                       hmuartlgw_send(dev->hmuartlgw, out, msg[0] + 4, HMUARTLGW_APP);
+
+                       while (1) {
+                               if (rdata->message_type == MESSAGE_TYPE_R) {
+                                       if ((rdata->status == 0x02) ||
+                                           (rdata->status == 0x03) ||
+                                           (rdata->status == 0x0c)) {
+                                               break;
+                                       } else {
+                                               if (rdata->status == 0x0d) {
+                                                       fprintf(stderr, "\nAES handshake failed!\n");
+                                               } else if (rdata->status == 0x04 || rdata->status == 0x06) {
+                                                       fprintf(stderr, "\nMissing ACK!\n");
+                                               } else {
+                                                       fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
+                                               }
+                                               return 0;
+                                       }
+                               }
+                               errno = 0;
+                               pfd = hmuartlgw_poll(dev->hmuartlgw, 1000);
+                               if ((pfd < 0) && errno) {
+                                       if (errno != ETIMEDOUT) {
+                                               perror("\n\nhmcfgusb_poll");
+                                               exit(EXIT_FAILURE);
+                                       }
+                               }
+                       }
+                       break;
        }
 
        id++;
        return 1;
 }
 
-static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t speed)
+static int switch_speed(struct hm_dev *dev, struct recv_data *rdata, uint8_t speed)
 {
        uint8_t out[0x40];
        int pfd;
@@ -392,6 +490,17 @@ static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t sp
                                return culfw_send(dev->culfw, "Ar\r\n", 4);
                        }
                        break;
+               case DEVICE_TYPE_HMUARTLGW:
+                       if (speed == 100) {
+                               out[0] = HMUARTLGW_OS_UPDATE_MODE;
+                               out[1] = 0xe9;
+                               out[2] = 0xca;
+                               hmuartlgw_send(dev->hmuartlgw, out, 3, HMUARTLGW_OS);
+                       } else {
+                               out[0] = HMUARTLGW_OS_NORMAL_MODE;
+                               hmuartlgw_send(dev->hmuartlgw, out, 1, HMUARTLGW_OS);
+                       }
+                       break;
        }
 
        return 1;
@@ -408,6 +517,7 @@ void flash_ota_syntax(char *prog)
        fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
        fprintf(stderr, "\t-l\t\tlower payloadlen (required for devices with little RAM, e.g. CUL v2 and CUL v4)\n");
        fprintf(stderr, "\t-S serial\tuse HM-CFG-USB with given serial\n");
+       fprintf(stderr, "\t-U device\tuse HM-MOD-UART on given device\n");
        fprintf(stderr, "\t-h\t\tthis help\n");
        fprintf(stderr, "\nOptional parameters for automatically sending device to bootloader\n");
        fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n");
@@ -424,7 +534,7 @@ int main(int argc, char **argv)
        char *culfw_dev = NULL;
        char *endptr = NULL;
        unsigned int bps = DEFAULT_CUL_BPS;
-       struct ota_dev dev;
+       struct hm_dev dev;
        struct recv_data rdata;
        uint8_t out[0x40];
        uint8_t *pos;
@@ -432,6 +542,7 @@ int main(int argc, char **argv)
        uint16_t len;
        struct firmware *fw;
        char *hmcfgusb_serial = NULL;
+       char *uart = NULL;
        int block;
        int pfd;
        int debug = 0;
@@ -443,7 +554,7 @@ int main(int argc, char **argv)
 
        printf("HomeMatic OTA flasher version " VERSION "\n\n");
 
-       while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:S:")) != -1) {
+       while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:S:U:")) != -1) {
                switch (opt) {
                        case 'b':
                                bps = atoi(optarg);
@@ -500,6 +611,9 @@ int main(int argc, char **argv)
                        case 'S':
                                hmcfgusb_serial = optarg;
                                break;
+                       case 'U':
+                               uart = optarg;
+                               break;
                        case 'h':
                        case ':':
                        case '?':
@@ -521,7 +635,7 @@ int main(int argc, char **argv)
                exit(EXIT_FAILURE);
 
        memset(&rdata, 0, sizeof(rdata));
-       memset(&dev, 0, sizeof(struct ota_dev));
+       memset(&dev, 0, sizeof(struct hm_dev));
 
        if (culfw_dev) {
                printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps);
@@ -564,6 +678,95 @@ int main(int argc, char **argv)
                        fprintf(stderr, "\nThis version does _not_ support firmware upgrade mode, you need at least 1.58!\n");
                        exit(EXIT_FAILURE);
                }
+       } else if (uart) {
+               uint32_t new_hmid = my_hmid;
+
+               hmuartlgw_set_debug(debug);
+
+               dev.hmuartlgw = hmuart_init(uart, parse_hmuartlgw, &rdata);
+               if (!dev.hmuartlgw) {
+                       fprintf(stderr, "Can't initialize HM-MOD-UART\n");
+                       exit(EXIT_FAILURE);
+               }
+               dev.type = DEVICE_TYPE_HMUARTLGW;
+
+               out[0] = HMUARTLGW_APP_GET_HMID;
+               do {
+                       rdata.uartlgw_state = HMUARTLGW_STATE_GET_HMID;
+                       hmuartlgw_send(dev.hmuartlgw, out, 1, HMUARTLGW_APP);
+                       do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+               } while (rdata.status == 0x08);
+
+               out[0] = HMUARTLGW_OS_GET_FIRMWARE;
+               do {
+                       rdata.uartlgw_state = HMUARTLGW_STATE_GET_FIRMWARE;
+                       hmuartlgw_send(dev.hmuartlgw, out, 1, HMUARTLGW_OS);
+                       do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_DONE);
+               } while (rdata.status == 0x08);
+
+               out[0] = HMUARTLGW_OS_GET_CREDITS;
+               do {
+                       rdata.uartlgw_state = HMUARTLGW_STATE_GET_CREDITS;
+                       hmuartlgw_send(dev.hmuartlgw, out, 1, HMUARTLGW_OS);
+                       do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_DONE);
+               } while (rdata.status == 0x08);
+
+               printf("HM-MOD-UART firmware version: %u.%u.%u, used credits: %u%%\n",
+                       rdata.uartlgw_version[0],
+                       rdata.uartlgw_version[1],
+                       rdata.uartlgw_version[2],
+                       rdata.credits);
+
+               if (rdata.credits >= 40) {
+                       printf("\nRebooting HM-MOD-UART to avoid running out of credits\n");
+
+                       hmuartlgw_enter_bootloader(dev.hmuartlgw);
+                       hmuartlgw_enter_app(dev.hmuartlgw);
+               }
+
+               printf("\nHM-MOD-UART opened\n\n");
+
+               if (new_hmid && (my_hmid != new_hmid)) {
+                       printf("Changing hmid from %06x to %06x\n", my_hmid, new_hmid);
+
+                       out[0] = HMUARTLGW_APP_SET_HMID;
+                       out[1] = (new_hmid >> 16) & 0xff;
+                       out[2] = (new_hmid >> 8) & 0xff;
+                       out[3] = new_hmid & 0xff;
+                       do {
+                               rdata.uartlgw_state = HMUARTLGW_STATE_WAIT_APP;
+                               hmuartlgw_send(dev.hmuartlgw, out, 4, HMUARTLGW_APP);
+                               do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+                       } while (rdata.status == 0x08);
+
+                       my_hmid = new_hmid;
+               }
+
+               if (kNo > 0) {
+                       printf("Setting AES-key\n");
+
+                       memset(out, 0, sizeof(out));
+                       out[0] = HMUARTLGW_APP_SET_CURRENT_KEY;
+                       memcpy(&(out[1]), key, 16);
+                       out[17] = kNo;
+
+                       do {
+                               rdata.uartlgw_state = HMUARTLGW_STATE_WAIT_APP;
+                               hmuartlgw_send(dev.hmuartlgw, out, 18, HMUARTLGW_APP);
+                               do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+                       } while (rdata.status == 0x08);
+
+                       memset(out, 0, sizeof(out));
+                       out[0] = HMUARTLGW_APP_SET_OLD_KEY;
+                       memcpy(&(out[1]), key, 16);
+                       out[17] = kNo;
+
+                       do {
+                               rdata.uartlgw_state = HMUARTLGW_STATE_WAIT_APP;
+                               hmuartlgw_send(dev.hmuartlgw, out, 18, HMUARTLGW_APP);
+                               do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+                       } while (rdata.status == 0x08);
+               }
        } else {
                uint32_t new_hmid = my_hmid;
 
@@ -680,6 +883,38 @@ int main(int argc, char **argv)
        }
 
        if (hmid && my_hmid) {
+               switch (dev.type) {
+                       case DEVICE_TYPE_HMCFGUSB:
+                               printf("Adding HMID\n");
+
+                               memset(out, 0, sizeof(out));
+                               out[0] = '+';
+                               out[1] = (hmid >> 16) & 0xff;
+                               out[2] = (hmid >> 8) & 0xff;
+                               out[3] = hmid & 0xff;
+
+                               hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
+                               break;
+                       case DEVICE_TYPE_HMUARTLGW:
+                               printf("Adding HMID\n");
+
+                               memset(out, 0, sizeof(out));
+                               out[0] = HMUARTLGW_APP_ADD_PEER;
+                               out[1] = (hmid >> 16) & 0xff;
+                               out[2] = (hmid >> 8) & 0xff;
+                               out[3] = hmid & 0xff;
+                               out[4] = (kNo > 0) ? kNo : 0x00; /* KeyIndex */
+                               out[5] = 0x00; /* WakeUp? */
+                               out[6] = 0x00; /* WakeUp? */
+
+                               do {
+                                       rdata.uartlgw_state = HMUARTLGW_STATE_WAIT_APP;
+                                       hmuartlgw_send(dev.hmuartlgw, out, 7, HMUARTLGW_APP);
+                                       do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+                               } while (rdata.status == 0x08);
+
+                               break;
+               }
                printf("Sending device with hmid %06x to bootloader\n", hmid);
                out[CTL] = 0x30;
                out[TYPE] = 0x11;
@@ -713,9 +948,14 @@ int main(int argc, char **argv)
                                pfd = culfw_poll(dev.culfw, 1000);
                                break;
                        case DEVICE_TYPE_HMCFGUSB:
-                       default:
                                pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
                                break;
+                       case DEVICE_TYPE_HMUARTLGW:
+                               pfd = hmuartlgw_poll(dev.hmuartlgw, 1000);
+                               break;
+                       default:
+                               pfd = -1;
+                               break;
                }
 
                if ((pfd < 0) && errno) {
@@ -743,16 +983,37 @@ int main(int argc, char **argv)
 
        printf("Device with serial %s (HMID: %06x) entered firmware-update-mode\n", serial, hmid);
 
-       if (dev.type == DEVICE_TYPE_HMCFGUSB) {
-               printf("Adding HMID\n");
+       switch (dev.type) {
+               case DEVICE_TYPE_HMCFGUSB:
+                       printf("Adding HMID\n");
 
-               memset(out, 0, sizeof(out));
-               out[0] = '+';
-               out[1] = (hmid >> 16) & 0xff;
-               out[2] = (hmid >> 8) & 0xff;
-               out[3] = hmid & 0xff;
+                       memset(out, 0, sizeof(out));
+                       out[0] = '+';
+                       out[1] = (hmid >> 16) & 0xff;
+                       out[2] = (hmid >> 8) & 0xff;
+                       out[3] = hmid & 0xff;
 
-               hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
+                       hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
+                       break;
+               case DEVICE_TYPE_HMUARTLGW:
+                       printf("Adding HMID\n");
+
+                       memset(out, 0, sizeof(out));
+                       out[0] = HMUARTLGW_APP_ADD_PEER;
+                       out[1] = (hmid >> 16) & 0xff;
+                       out[2] = (hmid >> 8) & 0xff;
+                       out[3] = hmid & 0xff;
+                       out[4] = 0x00; /* KeyIndex */
+                       out[5] = 0x00; /* WakeUp? */
+                       out[6] = 0x00; /* WakeUp? */
+
+                       do {
+                               rdata.uartlgw_state = HMUARTLGW_STATE_WAIT_APP;
+                               hmuartlgw_send(dev.hmuartlgw, out, 7, HMUARTLGW_APP);
+                               do { hmuartlgw_poll(dev.hmuartlgw, 500); } while (rdata.uartlgw_state != HMUARTLGW_STATE_ACK_APP);
+                       } while (rdata.status == 0x08);
+
+                       break;
        }
 
        switchcnt = 3;
@@ -904,8 +1165,11 @@ int main(int argc, char **argv)
        }
 
        printf("Waiting for device to reboot\n");
+       rdata.message_type = MESSAGE_TYPE_R;
 
        cnt = 10;
+       if (dev.type == DEVICE_TYPE_HMUARTLGW)
+               cnt = 200; /* FIXME */
        do {
                errno = 0;
                switch(dev.type) {
@@ -913,9 +1177,14 @@ int main(int argc, char **argv)
                                pfd = culfw_poll(dev.culfw, 1000);
                                break;
                        case DEVICE_TYPE_HMCFGUSB:
-                       default:
                                pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
                                break;
+                       case DEVICE_TYPE_HMUARTLGW:
+                               pfd = hmuartlgw_poll(dev.hmuartlgw, 1000);
+                               break;
+                       default:
+                               pfd = -1;
+                               break;
                }
                if ((pfd < 0) && errno) {
                        if (errno != ETIMEDOUT) {
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