Cellular: Optimize memory usage for gsm_to_ascii table

gsm_to_ascii table contains ASCII codes, so it can be a char table instead of int table. This reduces ROM usage by 384 bytes.
2018-10-01 13:23:11 +03:00 · 2018-10-01 13:23:11 +03:00 · 553718ba5b
parent c40d86038c
commit 553718ba5b
1 changed files with 1 additions and 1 deletions
--- a/features/cellular/framework/AT/AT_CellularSMS.cpp
+++ b/features/cellular/framework/AT/AT_CellularSMS.cpp
@ -41,7 +41,7 @@ const uint8_t SMS_MAX_GSM7_CONCATENATED_SINGLE_SMS_SIZE = 153;
 #define NVAM '?' // Not Valid ascii, ISO-8859-1 mark

 // mapping table from 7-bit GSM to ascii (ISO-8859-1)
-static const int gsm_to_ascii[] = {
+static const char gsm_to_ascii[] = {
    64,     // 0
    163,    // 1
    36,     // 2