beep when GPS ready
[protos/xbee-avr.git] / main.c
diff --git a/main.c b/main.c
index 73a3409..aded312 100644 (file)
--- a/main.c
+++ b/main.c
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+/* fuses:
+ * avrdude -p atmega1284p -P usb -c avrispmkii -U lfuse:w:0xff:m -U hfuse:w:0x91:m -U efuse:w:0xff:m
+ * -> it failed but I answered y, then make reset and it was ok
+ */
+
 #include <aversive.h>
 #include <aversive/queue.h>
 #include <aversive/endian.h>
 #include <errno.h>
 #include <ctype.h>
 
-#include <scheduler.h>
-#include <clock_time.h>
 #include <parse.h>
 #include <rdline.h>
 #include <timer.h>
+#include <i2c.h>
 
-#include "xbee_neighbor.h"
-#include "xbee_atcmd.h"
-#include "xbee_stats.h"
-#include "xbee_buf.h"
-#include "xbee_proto.h"
-#include "xbee.h"
-#include "cmdline.h"
-#include "callout.h"
-#include "rc_proto.h"
-#include "spi_servo.h"
+#include "../fpv-common/i2c_commands.h"
+#include "eeprom_config.h"
+#include "beep.h"
+#include "xbee_user.h"
+#include "i2c_protocol.h"
 #include "main.h"
 
 struct xbeeboard xbeeboard;
-volatile uint16_t global_ms;
-struct callout_manager cm;
-
-#define TIMEOUT_MS 1000
+volatile uint32_t global_ms;
 
 /* global xbee device */
 struct xbee_dev *xbee_dev;
 
-/* events */
-//static struct event stdin_read_event, xbee_read_event;
-
-/* parameters */
-int xbee_raw = 0;
-int xbee_hexdump = 0;
-int xbee_debug = 0;
-
-int xbee_cmdline_input_enabled = 1;
-
-static struct xbee_ctx xbee_ctx[XBEE_MAX_CHANNEL];
-
-static void hexdump(const char *title, const void *buf, unsigned int len)
-{
-       unsigned int i, out, ofs;
-       const unsigned char *data = buf;
-#define LINE_LEN 80
-       char line[LINE_LEN];    /* space needed 8+16*3+3+16 == 75 */
-
-       printf_P(PSTR("%s at [%p], len=%d\r\n"), title, data, len);
-       ofs = 0;
-       while (ofs < len) {
-               /* format 1 line in the buffer, then use printk to print them */
-               out = snprintf_P(line, LINE_LEN, PSTR("%08X"), ofs);
-               for (i=0; ofs+i < len && i<16; i++)
-                       out += snprintf_P(line+out, LINE_LEN - out,
-                                         PSTR(" %02X"),
-                                         data[ofs+i]&0xff);
-               for (;i<=16;i++)
-                       out += snprintf(line+out, LINE_LEN - out, "   ");
-               for (i=0; ofs < len && i<16; i++, ofs++) {
-                       unsigned char c = data[ofs];
-                       if (!isascii(c) || !isprint(c))
-                               c = '.';
-                       out += snprintf_P(line+out,
-                                         LINE_LEN - out,
-                                         PSTR("%c"), c);
-               }
-               printf_P(PSTR("%s\r\n"), line);
-       }
-}
-
-static int parse_xmit_status(struct xbee_ctx *ctx,
-                            struct xbee_xmit_status_hdr *frame, unsigned len)
-{
-       (void)len;
-
-       if (ctx == NULL) {
-               printf_P(PSTR("no context\r\n"));
-               return -1;
-       }
-
-       /* see if it matches a xmit query (atcmd_query must be NULL) */
-       if (ctx->atcmd_query[0] != '\0') {
-               printf_P(PSTR("invalid response 2\r\n"));
-               return -1;
-       }
-
-       /* XXX use defines for these values */
-       if (frame->delivery_status == 0x00)
-               printf_P(PSTR("Success\r\n"));
-       else if (frame->delivery_status == 0x01)
-               printf_P(PSTR("MAC ACK Failure\r\n"));
-       else if (frame->delivery_status == 0x15)
-               printf_P(PSTR("Invalid destination endpoint\r\n"));
-       else if (frame->delivery_status == 0x21)
-               printf_P(PSTR("Network ACK Failure\r\n"));
-       else if (frame->delivery_status == 0x25)
-               printf_P(PSTR("Route Not Found\r\n"));
-
-       return 0;
-}
-
-static int dump_atcmd(struct xbee_ctx *ctx, struct xbee_atresp_hdr *frame,
-              unsigned len)
-{
-       char atcmd_str[3];
-       const struct xbee_atcmd *cmd_pgm;
-       struct xbee_atcmd cmd;
-       union {
-               uint8_t u8;
-               uint16_t u16;
-               uint32_t u32;
-               int16_t s16;
-       } __attribute__((packed)) *result;
-
-       if (ctx == NULL) {
-               printf_P(PSTR("no context\r\n"));
-               return -1;
-       }
-
-       /* get AT command from frame */
-       memcpy(atcmd_str, &frame->cmd, 2);
-       atcmd_str[2] = '\0';
-
-       /* see if it matches query */
-       if (memcmp(atcmd_str, ctx->atcmd_query, 2)) {
-               printf_P(PSTR("invalid response <%c%c><%s><%s>\r\n"),
-                        frame->cmd & 0xFF,
-                        (frame->cmd >> 8) & 0xFF,
-                        atcmd_str, ctx->atcmd_query);
-               return -1;
-       }
-
-       /* see if it exists */
-       cmd_pgm = xbee_atcmd_lookup_name(atcmd_str);
-       if (cmd_pgm == NULL) {
-               printf_P(PSTR("unknown response\r\n"));
-               return -1;
-       }
-       memcpy_P(&cmd, cmd_pgm, sizeof(cmd));
-
-       /* bad status */
-       if (frame->status == 1) {
-               printf_P(PSTR("Status is error\r\n"));
-               return -1;
-       }
-       else if (frame->status == 2) {
-               printf_P(PSTR("Invalid command\r\n"));
-               return -1;
-       }
-       else if (frame->status == 3) {
-               printf_P(PSTR("Invalid parameter\r\n"));
-               return -1;
-       }
-       else if (frame->status != 0) {
-               printf_P(PSTR("Unknown status error %d\r\n"), frame->status);
-               return -1;
-       }
-
-       /* callback */
-       if (ctx->func != NULL)
-               ctx->func(frame, len, ctx->arg);
-
-       /* dump frame */
-       result = (void *)frame->data;
-       len -= offsetof(struct xbee_atresp_hdr, data);
-       if (cmd.flags & XBEE_ATCMD_F_PARAM_U8 && len == sizeof(uint8_t))
-               printf_P(PSTR("<%s> is 0x%x\r\n"), atcmd_str, result->u8);
-       else if (cmd.flags & XBEE_ATCMD_F_PARAM_U16 && len == sizeof(uint16_t))
-               printf_P(PSTR("<%s> is 0x%x\r\n"),
-                        atcmd_str,
-                        ntohs(result->u16));
-       else if (cmd.flags & XBEE_ATCMD_F_PARAM_U32 && len == sizeof(uint32_t))
-               printf_P(PSTR("<%s> is 0x%"PRIx32"\r\n"),
-                        atcmd_str,
-                        ntohl(result->u32));
-       else if (cmd.flags & XBEE_ATCMD_F_PARAM_S16 && len == sizeof(int16_t))
-               printf_P(PSTR("<%s> is %d\r\n"), atcmd_str, ntohs(result->s16));
-       else if (len == 0)
-               printf_P(PSTR("no data, status ok\r\n"));
-       else
-               hexdump("atcmd answer", frame->data, len);
-
-
-       return 0;
-}
-
-
-int xbee_recv_data(struct xbee_recv_hdr *recvframe, unsigned len)
-{
-       unsigned int datalen;
-       struct rc_proto_hdr *rch = (struct rc_proto_hdr *) &recvframe->data;
-
-       if (len <  sizeof(*recvframe))
-               return -1;
-
-       datalen = len - sizeof(*recvframe);
-       if (datalen < sizeof(struct rc_proto_hdr))
-               return -1;
-
-       switch (rch->type) {
-               case RC_PROTO_TYPE_CHANNEL: {
-                       struct rc_proto_channel *rcc =
-                               (struct rc_proto_channel *) recvframe->data;
-                       int16_t val;
-                       if (datalen != sizeof(struct rc_proto_channel))
-                               return -1;
-                       val = ntohs(rcc->axis[0]);
-                       val >>= 6;
-                       val += 512;
-                       spi_servo_set(0, val);
-                       break;
-                                 }
-               case RC_PROTO_TYPE_RANGE: {
-                       struct rc_proto_range *rcr =
-                               (struct rc_proto_range *) recvframe->data;
-
-                       if (datalen != sizeof(struct rc_proto_range))
-                               return -1;
-
-                       if (rcr->power_level >= MAX_POWER_LEVEL)
-                               return -1;
-
-                       rc_proto_rx_range(rcr->power_level);
-
-                       break;
-               }
-               default:
-                       return -1;
-       }
-
-       return 0;
-}
-
-/* socat /dev/ttyUSB0,raw,echo=0,b115200 /dev/ttyACM1,raw,echo=0,b115200 */
-void xbee_rx(struct xbee_dev *dev, int channel, int type,
-            void *frame, unsigned len, void *opaque)
-{
-       struct xbee_ctx *ctx = opaque;
-       int do_hexdump = xbee_hexdump;
-
-       if (xbee_debug)
-               printf_P(PSTR("type=0x%x, channel=%d, ctx=%p\r\n"),
-                        type, channel, ctx);
-
-       /* if ctx is !NULL, it is an answer to a query */
-       if (ctx != NULL) {
-               /* XXX only delete timeout if answer matched */
-               xbee_unload_timeout(ctx);
-               if (xbee_debug && ctx->atcmd_query)
-                       printf_P(PSTR("Received answer to query <%c%c>\r\n"),
-                                ctx->atcmd_query[0], ctx->atcmd_query[1]);
-       }
-
-       /* some additional checks before sending */
-       switch (type) {
-               case XBEE_TYPE_MODEM_STATUS: {
-                       printf_P(PSTR("Received Modem Status frame\r\n"));
-                       break;
-               }
-
-               case XBEE_TYPE_RMT_ATRESP: {
-                       union {
-                               uint64_t u64;
-                               struct {
-#if BYTE_ORDER == LITTLE_ENDIAN
-                                       uint32_t low;
-                                       uint32_t high;
-#else
-                                       uint32_t high;
-                                       uint32_t low;
-#endif
-                               } u32;
-                       } addr;
-                       memcpy(&addr, frame, sizeof(addr));
-                       addr.u64 = ntohll(addr.u64);
-                       printf_P(PSTR("from remote address %"PRIx32"%"PRIx32"\r\n"),
-                                addr.u32.high, addr.u32.low);
-
-                       /* this answer contains an atcmd answer at offset 10 */
-                       if (dump_atcmd(ctx, frame + 10, len - 10) < 0)
-                               do_hexdump = 1;
-                       break;
-               }
-               case XBEE_TYPE_ATRESP: {
-                       if (dump_atcmd(ctx, frame, len) < 0)
-                               do_hexdump = 1;
-                       break;
-               }
-
-               case XBEE_TYPE_XMIT_STATUS: {
-                       if (parse_xmit_status(ctx, frame, len) < 0)
-                               do_hexdump = 1;
-                       break;
-               }
-
-               case XBEE_TYPE_RECV: {
-                       if (xbee_recv_data(frame, len) < 0)
-                               do_hexdump = 1;
-                       break;
-               }
-
-               case XBEE_TYPE_ATCMD:
-               case XBEE_TYPE_ATCMD_Q:
-               case XBEE_TYPE_XMIT:
-               case XBEE_TYPE_EXPL_XMIT:
-               case XBEE_TYPE_RMT_ATCMD:
-               case XBEE_TYPE_EXPL_RECV:
-               case XBEE_TYPE_NODE_ID:
-               default:
-                       printf_P(PSTR("Invalid frame\r\n"));
-                       do_hexdump = 1;
-                       break;
-       }
-
-       if (do_hexdump)
-               hexdump("undecoded rx frame", frame, len);
-
-       /* restart command line if it was a blocking query */
-       if (ctx != NULL) {
-               xbee_unregister_channel(dev, channel);
-               if (ctx->foreground) {
-                       xbee_stdin_enable();
-                       rdline_newline(&xbeeboard.rdl, xbeeboard.prompt);
-               }
-       }
-}
-
-static int xbeeapp_send(struct xbee_ctx *ctx, int type, void *buf, unsigned len,
-                       int foreground)
-{
-       int ret;
-       int channel;
-
-       if (len > XBEE_MAX_FRAME_LEN) {
-               printf_P(PSTR("frame too large\r\n"));
-               return -1;
-       }
-
-       /* register a channel */
-       channel = xbee_register_channel(xbee_dev, XBEE_CHANNEL_ANY,
-                                       xbee_rx, NULL);
-       if (channel < 0) {
-               printf_P(PSTR("cannot send: no free channel\r\n"));
-               return -1;
-       }
-
-       /* copy context in the static struct table (avoiding a malloc) */
-       memcpy(&xbee_ctx[channel], ctx, sizeof(*ctx));
-       ctx = &xbee_ctx[channel];
-       xbee_set_opaque(xbee_dev, channel, ctx);
-
-       if (xbee_debug)
-               printf_P(PSTR("send frame channel=%d type=0x%x len=%d\r\n"),
-                        channel, type, len);
-       if (xbee_hexdump)
-               hexdump("xmit frame", buf, len);
-
-       /* transmit the frame on this channel */
-       ret = xbee_proto_xmit(xbee_dev, channel, type, buf,
-                             len);
-       if (ret < 0) {
-               printf_P(PSTR("cannot send\r\n"));
-               xbee_unregister_channel(xbee_dev, channel);
-               return -1;
-       }
-
-       ctx->channel = channel;
-       xbee_load_timeout(ctx);   /* load a timeout event */
-
-       /* suspend command line until we have answer or timeout */
-       if (foreground) {
-               ctx->foreground = 1;
-               rdline_stop(&xbeeboard.rdl); /* don't display prompt when return */
-               xbee_stdin_disable();  /* unload file descriptor polling */
-       }
-
-       return 0;
-}
-
-/* send an AT command with parameters filled by caller. Disable
- * command line until we get the answer or until a timeout occurs */
-int xbeeapp_send_atcmd(const char *atcmd_str,
-                      void *param, unsigned param_len, int foreground,
-                      int (*func)(void *frame, unsigned len, void *arg), void *arg)
-{
-       struct xbee_ctx ctx;
-       struct {
-               struct xbee_atcmd_hdr atcmd;
-               char buf[XBEE_MAX_FRAME_LEN];
-       } __attribute__((packed)) frame;
-
-       memset(&ctx, 0, sizeof(ctx));
-       ctx.atcmd_query[0] = atcmd_str[0];
-       ctx.atcmd_query[1] = atcmd_str[1];
-       ctx.func = func;
-       ctx.arg = arg;
-
-       memcpy(&frame.atcmd.cmd, atcmd_str, 2);
-       memcpy(&frame.buf, param, param_len);
-
-       if (xbeeapp_send(&ctx, XBEE_TYPE_ATCMD, &frame,
-                        sizeof(struct xbee_atcmd_hdr) +
-                        param_len, foreground) < 0) {
-               return -1;
-       }
-
-       return 0;
-}
-
-int xbeeapp_send_msg(uint64_t addr, void *data,
-                    unsigned data_len, int foreground)
-{
-       struct xbee_ctx ctx;
-       struct {
-               struct xbee_xmit_hdr xmit;
-               char buf[XBEE_MAX_FRAME_LEN];
-       } __attribute__((packed)) frame;
-
-       memset(&ctx, 0, sizeof(ctx));
-       ctx.atcmd_query[0] = '\0';
-
-       frame.xmit.dstaddr = htonll(addr);
-       frame.xmit.reserved = htons(0xFFFE);
-       frame.xmit.bcast_radius = 0;
-       frame.xmit.opts = 0;
-       memcpy(&frame.buf, data, data_len);
-
-       if (xbeeapp_send(&ctx, XBEE_TYPE_XMIT, &frame,
-                        sizeof(struct xbee_xmit_hdr) +
-                        data_len, foreground) < 0) {
-               return -1;
-       }
-
-       return 0;
-}
-
-void xbee_stdin_enable(void)
-{
-       xbee_cmdline_input_enabled = 1;
-}
-
-void xbee_stdin_disable(void)
-{
-       xbee_cmdline_input_enabled = 0;
-}
-
-static void evt_timeout(struct callout_manager *cm, struct callout *clt,
-                       void *arg)
-{
-       struct xbee_ctx *ctx = arg;
-
-       (void)cm;
-       (void)clt;
-
-       printf_P(PSTR("Timeout\r\n"));
-
-       /* restart command line */
-       xbee_stdin_enable();
-       rdline_newline(&xbeeboard.rdl, xbeeboard.prompt);
-
-       /* free event */
-       xbee_unregister_channel(xbee_dev, ctx->channel);
-}
-
-void xbee_load_timeout(struct xbee_ctx *ctx)
-{
-       callout_reset(&cm, &ctx->timeout, TIMEOUT_MS, SINGLE, evt_timeout, ctx);
-}
-
-void xbee_unload_timeout(struct xbee_ctx *ctx)
-{
-       callout_stop(&cm, &ctx->timeout);
-}
-
 void bootloader(void)
 {
-#ifndef USE_USB
 #define BOOTLOADER_ADDR 0x3f000
        if (pgm_read_byte_far(BOOTLOADER_ADDR) == 0xff) {
                printf_P(PSTR("Bootloader is not present\r\n"));
@@ -541,129 +90,94 @@ void bootloader(void)
        /* __asm__ __volatile__ ("ldi r31,0xf8\n"); */
        /* __asm__ __volatile__ ("ldi r30,0x00\n"); */
        /* __asm__ __volatile__ ("eijmp\n"); */
-#endif
-}
-
-void xbee_mainloop(void)
-{
-       while (1) {
-               callout_manage(&cm);
-
-               if (xbee_raw) {
-                       int16_t c;
-
-                       /* from xbee to cmdline */
-                       c = xbee_dev_recv(NULL);
-                       if (c >= 0)
-                               cmdline_dev_send((uint8_t)c, NULL);
-
-                       /* from cmdline to xbee */
-                       c = cmdline_dev_recv(NULL);
-                       if (c == 4) { /* CTRL-d */
-                               xbee_raw = 0;
-                               rdline_newline(&xbeeboard.rdl,
-                                              xbeeboard.prompt);
-                       }
-                       else if (c >= 0) {
-                               /* send to xbee */
-                               xbee_dev_send((uint8_t)c, NULL);
-
-                               /* echo on cmdline */
-                               cmdline_dev_send((uint8_t)c, NULL);
-                       }
-               }
-               else {
-                       if (xbee_cmdline_input_enabled)
-                               cmdline_poll();
-                       xbee_proto_rx(xbee_dev);
-               }
-
-#ifdef USE_USB
-               CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);
-               CDC_Device_USBTask(&VirtualSerial2_CDC_Interface);
-               USB_USBTask();
-#endif
-       }
 }
 
 /* return time in milliseconds on unsigned 16 bits */
-static uint16_t get_time_ms(void)
+uint16_t get_time_ms(void)
 {
-       return global_ms;
+       uint16_t ms;
+       uint8_t flags;
+       IRQ_LOCK(flags);
+       ms = global_ms;
+       IRQ_UNLOCK(flags);
+       return ms;
 }
 
-static void do_led_blink(struct callout_manager *cm,
-                        struct callout *clt, void *dummy)
+static void main_timer_interrupt(void)
 {
-       static uint8_t a = 0;
+       static uint16_t cycles;
+       static uint8_t cpt = 0;
+       static uint8_t stack = 0;
 
-       (void)cm;
-       (void)clt;
-       (void)dummy;
+       cpt++;
 
-#ifdef USE_USB
-       if (a & 1)
-               LEDs_SetAllLEDs(0);
+       /* LED blink */
+       if (global_ms & 0x80)
+               LED1_ON();
        else
-               LEDs_SetAllLEDs(0xff);
-#else
-       /* XXX */
-#endif
-       a++;
-}
+               LED1_OFF();
 
-static void increment_ms(void *dummy)
-{
-       (void)dummy;
-       global_ms++;
-}
+       if (cpt & beep_mask)
+               BUZZER_ON();
+       else
+               BUZZER_OFF();
 
-static void main_timer_interrupt(void)
-{
-       static uint8_t cpt = 0;
-       cpt++;
+       if ((cpt & 0x03) != 0)
+               return;
+
+       /* the following code is only called one interrupt among 4: every 682us
+        * (at 12 Mhz) = 8192 cycles */
+       cycles += 8192;
+       if (cycles >= 12000) {
+               cycles -= 12000;
+               global_ms ++;
+       }
+
+       /* called  */
+       if (stack++ == 0)
+               LED2_ON();
        sei();
        if ((cpt & 0x3) == 0)
-               scheduler_interrupt();
+               callout_manage(&xbeeboard.intr_cm);
+       cli();
+       if (--stack == 0)
+               LED2_OFF();
 }
 
-/** Main program entry point. This routine contains the overall program flow, including initial
- *  setup of all components and the main program loop.
- */
 int main(void)
 {
-       struct callout t1;
        FILE *xbee_file;
        int8_t err;
        struct xbee_dev dev;
 
-#ifdef USE_USB
-       SetupHardware();
+       DDRA = 0x07 /* LEDs */ | 0x10 /* buzzer */;
 
-       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-#else
        uart_init();
        uart_register_rx_event(CMDLINE_UART, emergency);
-#endif
 
        fdevopen(cmdline_dev_send, cmdline_dev_recv);
        xbee_file = fdevopen(xbee_dev_send, xbee_dev_recv);
-       scheduler_init();
        timer_init();
        timer0_register_OV_intr(main_timer_interrupt);
 
-       scheduler_add_periodical_event_priority(increment_ms, NULL,
-                                               1000L / SCHEDULER_UNIT,
-                                               LED_PRIO);
+       callout_mgr_init(&xbeeboard.intr_cm, get_time_ms);
+
        cmdline_init();
+       /* LOGS */
+       error_register_emerg(mylog);
+       error_register_error(mylog);
+       error_register_warning(mylog);
+       error_register_notice(mylog);
+       error_register_debug(mylog);
+
+       /* I2C */
+       i2c_init(I2C_MODE_MASTER, I2C_MAINBOARD_ADDR);
+       i2c_protocol_init();
+       i2c_register_recv_event(i2c_recvevent);
+       i2c_register_send_event(i2c_sendevent);
+
        spi_servo_init();
-#ifndef USE_USB
-       /* in usb mode, it's done in usb callback */
-       printf_P(PSTR("\r\n"));
-       rdline_newline(&xbeeboard.rdl, xbeeboard.prompt);
-#endif
-       callout_manager_init(&cm, get_time_ms);
-       callout_reset(&cm, &t1, 500, PERIODICAL, do_led_blink, NULL);
+       beep_init();
 
        /* initialize libxbee */
        err = xbee_init();
@@ -678,12 +192,22 @@ int main(void)
 
        /* register default channel with a callback */
        if (xbee_register_channel(xbee_dev, XBEE_DEFAULT_CHANNEL,
-                                 xbee_rx, NULL) < 0) {
+                                 xbeeapp_rx, NULL) < 0) {
                fprintf(stderr, "cannot register default channel\n");
                return -1;
        }
 
+       xbeeapp_init();
+
+       rc_proto_init();
+
        sei();
+
+       eeprom_load_config();
+
+       printf_P(PSTR("\r\n"));
+       rdline_newline(&xbeeboard.rdl, xbeeboard.prompt);
+
        xbee_mainloop();
        return 0;
 }