modem_callbacks.cpp

00001 #include "modem_d7a.h"
00002 #include "files.h"
00003 
00004 #define SERIAL_MAX_PACKET_SIZE  (255)
00005 
00006 // ============================================================}}}
00007 
00008 // Callbacks to MODEM's ALP requests
00009 // ============================================================{{{
00010 void my_read(u8 action, u8 fid, u32 offset, u32 length, int id)
00011 {
00012     u8 data[SERIAL_MAX_PACKET_SIZE];
00013     
00014     ASSERT((ALP_ACTION_RSP_TAG_SIZE + ALP_ACTION_RSP_F_DATA_SIZE(offset, length)) <= SERIAL_MAX_PACKET_SIZE,
00015     "Read response too big for serial protocol (%d/%dmax)", length, ALP_ACTION_RSP_TAG_SIZE + ALP_ACTION_RSP_F_DATA_SIZE(offset,SERIAL_MAX_PACKET_SIZE));
00016     
00017     if (ram_fs_read(fid, data, offset, length))
00018     {
00019         modem_ref_respond(action, ALP_ERR_FILE_NOT_FOUND, id);
00020     }
00021     else
00022     {
00023         modem_ref_respond_read(fid, data, offset, length, id);
00024     }
00025 }
00026 
00027 
00028 void my_write(u8 action, u8 fid, void *data, u32 offset, u32 length, int id)
00029 {
00030     alp_errors_t err;
00031     
00032     if (ram_fs_write(fid, (uint8_t*)data, offset, length))
00033     {
00034         err = ALP_ERR_FILE_NOT_FOUND;
00035     }
00036     else
00037     {
00038         err = ALP_ERR_NONE;
00039         
00040         touch_t* touch = (touch_t*)MALLOC(sizeof(touch_t));
00041         
00042         touch->fid = fid;
00043         touch->offset = offset;
00044         touch->length = length;
00045         
00046         g_file_modified.put(touch);
00047     }
00048     
00049     modem_ref_respond(action, err, id);
00050 }
00051 
00052 void my_read_fprop(u8 action, u8 fid, int id)
00053 {
00054     u8* hdr = (u8*)ram_fs_get_header(fid);
00055     
00056     if (hdr != NULL)
00057     {
00058         modem_ref_respond_fprop(fid, (alp_file_header_t*)hdr, id);
00059     }
00060     else
00061     {
00062         modem_ref_respond(action, ALP_ERR_FILE_NOT_FOUND, id);
00063     }
00064 }
00065 
00066 void my_flush(u8 action, u8 fid, int id)
00067 {
00068     // No flush in this file system
00069     modem_ref_respond(action, ALP_ERR_NONE, id);
00070 }
00071 
00072 void my_delete(u8 action, u8 fid, int id)
00073 {
00074     modem_ref_respond(action, (ram_fs_delete(fid))? ALP_ERR_FILE_NOT_FOUND : ALP_ERR_NONE, id);
00075 }
00076 
00077 void my_udata(alp_payload_t* alp)
00078 {
00079     alp_payload_print(alp);
00080 }
00081 
00082 void my_lqual(u8 ifid, int per)
00083 {
00084     PRINT("Interface File [%3d] LQUAL : %d%% PER\r\n", ifid, per);
00085 }
00086 
00087 void my_ldown(u8 ifid)
00088 {
00089     PRINT("Interface File [%3d] LDOWN\r\n", ifid);
00090 }
00091 
00092 void my_reset(void)
00093 {
00094     PRINT("Restarting application...\r\n");
00095     FLUSH();
00096     NVIC_SystemReset();
00097 }
00098 
00099 void my_boot(u8 cause, u16 number)
00100 {
00101     PRINT("Modem BOOT[%c] #%d\r\n", cause, number);
00102     
00103     // Modem re-booted, restart APP
00104     my_reset();
00105 }
00106 
00107 void my_busy(u8 busy)
00108 {
00109     if (busy)
00110     {
00111         PRINT("Modem Busy\r\n");
00112         
00113         /* Stop report, do not use modem */
00114         /* Wait for modem reboot or modem not busy */
00115     }
00116     else
00117     {
00118         PRINT("Modem not Busy\r\n");
00119         
00120         /* Resume reports */
00121     }
00122 }