WizziLab
Sending and reception of big data file (1kB example)
Dependencies: modem_ref_helper CRC DebouncedInterrupt
Diff: modem_callbacks.cpp
- Revision:
- 4:fd480d5fe62b
- Parent:
- 0:a2bbc478f812
- Child:
- 6:33dfecc85ebf
--- a/modem_callbacks.cpp Thu Dec 14 19:17:47 2017 +0000
+++ b/modem_callbacks.cpp Thu Dec 21 15:19:49 2017 +0000
@@ -1,13 +1,18 @@
#include "modem_ref_helper.h"
#include "files.h"
+#define SERIAL_MAX_PACKET_SIZE (255)
+
// ============================================================}}}
// Callbacks to MODEM's ALP requests
// ============================================================{{{
void my_read(u8 fid, u32 offset, u32 length, int id)
{
- u8 data[256];
+ u8 data[SERIAL_MAX_PACKET_SIZE];
+
+ ASSERT((ALP_ACTION_RSP_TAG_SIZE + ALP_ACTION_RSP_F_DATA_SIZE(offset, length)) <= SERIAL_MAX_PACKET_SIZE,
+ "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));
if (ram_fs_read(fid, offset, length, data))
{