MultiTech
Example program demonstrating proper powering down of Telit radio and putting the processor into STOP mode.
Dependencies: WakeUp mbed mtsas SpiFlash25
Fork of
Dragonfly_Cellular_Ping_Example
by 
MultiTech
Revision 5:e493656a4a1a, committed 2016-03-01
- Comitter:
- mfiore
- Date:
- Tue Mar 01 17:41:47 2016 +0000
- Parent:
- 4:91a322a2ec86
- Commit message:
- put SPI flash in low power mode too
Changed in this revision
| SpiFlash25.lib | Show annotated file Show diff for this revision Revisions of this file |
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r 91a322a2ec86 -r e493656a4a1a SpiFlash25.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SpiFlash25.lib Tue Mar 01 17:41:47 2016 +0000 @@ -0,0 +1,1 @@ +https://developer.mbed.org/teams/MultiTech/code/SpiFlash25/#751745dd637f
diff -r 91a322a2ec86 -r e493656a4a1a main.cpp
--- a/main.cpp Mon Feb 29 19:28:01 2016 +0000
+++ b/main.cpp Tue Mar 01 17:41:47 2016 +0000
@@ -26,6 +26,7 @@
#include "mbed.h"
#include "mtsas.h"
#include "WakeUp.h"
+#include "SpiFlash25.h"
// This line controls the regulator's battery charger.
// BC_NCE = 0 enables the battery charger
@@ -55,6 +56,8 @@
// It goes to 0 after the radio has successfully shut down
DigitalIn vdd1_8_mon(PC_5);
+SpiFlash25 flash(SPI_MOSI, SPI_MISO, SPI_SCK, SPI_CS1);
+
bool init_mtsas();
void enterStopMode(const uint32_t interval);
@@ -94,6 +97,8 @@
logInfo("changing regulator to 1A mode");
bc_en1 = 0;
bc_en2 = 1;
+ logInfo("waking up the SPI flash");
+ flash.wakeup();
logInfo("powering on radio");
radio_pwr = 1;
radio_reset = 1;
@@ -150,6 +155,8 @@
logInfo("radio powered off after %fs", tmr.read());
radio_pwr = 0;
+ logInfo("putting the SPI flash in deep power down");
+ flash.deep_power_down();
logInfo("putting regulator in 100mA mode");
bc_en1 = 0;
bc_en2 = 0;