[mynewt-artifact] 03/03: manifest: Add flash helper function

[ccollins]

This is an automated email from the ASF dual-hosted git repository.

ccollins pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/mynewt-artifact.git

commit 46c91b0331838f159570616e8c2320b0e9fb5cc9
Author: Christopher Collins <ccoll...@apache.org>
AuthorDate: Fri Feb 28 16:06:15 2020 -0800

    manifest: Add flash helper function
    
    // FindWithinFlashAreaDevOff searches an mfg manifest for a flash area
    // with the specified device that contains the given offset.
    func (m *MfgManifest) FindWithinFlashAreaDevOff(
        device int, offset int) *flash.FlashArea {
---
 manifest/mfg_manifest.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/manifest/mfg_manifest.go b/manifest/mfg_manifest.go
index 10ea6e8..4ac6b74 100644
--- a/manifest/mfg_manifest.go
+++ b/manifest/mfg_manifest.go
@@ -148,6 +148,22 @@ func (m *MfgManifest) FindFlashAreaDevOff(device int, 
offset int) *flash.FlashAr
        return nil
 }
 
+// FindWithinFlashAreaDevOff searches an mfg manifest for a flash area with the
+// specified device that contains the given offset.
+func (m *MfgManifest) FindWithinFlashAreaDevOff(device int, offset int) 
*flash.FlashArea {
+       for i, _ := range m.FlashAreas {
+               fa := &m.FlashAreas[i]
+               if fa.Device == device {
+                       end := fa.Offset + fa.Size
+                       if offset >= offset && offset < end {
+                               return fa
+                       }
+               }
+       }
+
+       return nil
+}
+
 // FindFlashAreaName searches an mfg manifest for a flash area with the
 // specified name.
 func (m *MfgManifest) FindFlashAreaName(name string) *flash.FlashArea {