diff options
Diffstat (limited to 'firmware/upload.rb')
| -rw-r--r-- | firmware/upload.rb | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/firmware/upload.rb b/firmware/upload.rb index e3b77b2..f49a94f 100644 --- a/firmware/upload.rb +++ b/firmware/upload.rb @@ -5,6 +5,7 @@ class MicroBoot Functions = [ :get_info, :write_page, + :erase_application, :run_program ] @@ -30,7 +31,7 @@ class MicroBoot @info = { flash_length: flash_length, page_size: page_size, - write_sleep: write_sleep.to_f / 1000.0, + write_sleep: 0.020, #write_sleep.to_f / 1000.0, version: "#{@device.bcdDevice >> 8}.#{@device.bcdDevice & 0xFF}", version_numeric: @device.bcdDevice } @@ -38,11 +39,20 @@ class MicroBoot @info end + def erase! + info = self.info + control_transfer(function: :erase_application) + sleep(info[:write_sleep] * ((info[:flash_length] / info[:page_size]) + 1)) # sleep for as many pages as the chip has + end + # upload a new program def program= bytestring + info = self.info raise "Program too long!" if bytestring.bytesize > info[:flash_length] bytes = bytestring.bytes.to_a + erase! + address = 0 bytes.each_slice(info[:page_size]) do |bytes| control_transfer(function: :write_page, wIndex: address, wValue: bytes.length, dataOut: bytes.pack('C*')) |