SPI flash sleep if bootloader >= 1.0.0 (#322)

* Retrieve and display bootloader version
- Display bootloader version on System Info screen
- Enable SPI flash sleep mode if bootloader version >= 1.0.0
* Wait for SPI flash to wakeup before starting OTA DFU

1 files changed, 20 insertions, 10 deletions

diff --git a/src/BootloaderVersion.cpp b/src/BootloaderVersion.cpp
index 5eba7a1d..07a1da4e 100644
--- a/src/BootloaderVersion.cpp
+++ b/src/BootloaderVersion.cpp
@@ -1,26 +1,36 @@
 #include <cstdint>
+#include <cstdio>
 #include "BootloaderVersion.h"
 
 using namespace Pinetime;
 
-// NOTE : current bootloader does not export its version to the application firmware.
+// NOTE : version < 1.0.0 of bootloader does not export its version to the application firmware.
 
-uint32_t BootloaderVersion::Major() {
-  return 0;
+uint32_t BootloaderVersion::version = 0;
+char BootloaderVersion::versionString[BootloaderVersion::VERSION_STR_LEN] = "0.0.0";
+
+const uint32_t BootloaderVersion::Major() {
+  return (BootloaderVersion::version >> 16u) & 0xff;
 }
 
-uint32_t BootloaderVersion::Minor() {
-  return 0;
+const uint32_t BootloaderVersion::Minor() {
+  return (BootloaderVersion::version >> 8u) & 0xff;
 }
 
-uint32_t BootloaderVersion::Patch() {
-  return 0;
+const uint32_t BootloaderVersion::Patch() {
+  return BootloaderVersion::version & 0xff;
 }
 
 const char* BootloaderVersion::VersionString() {
-  return "0.0.0";
+  return BootloaderVersion::versionString;
+}
+
+const bool BootloaderVersion::IsValid() {
+  return BootloaderVersion::version >= 0x00010000;
 }
 
-bool BootloaderVersion::IsValid() {
-  return false;
+void BootloaderVersion::SetVersion(uint32_t v) {
+  BootloaderVersion::version = v;
+  snprintf(BootloaderVersion::versionString, BootloaderVersion::VERSION_STR_LEN, "%ld.%ld.%ld",
+           BootloaderVersion::Major(), BootloaderVersion::Minor(), BootloaderVersion::Patch());
 }