diff options
| author | Clifford Wolf <clifford@clifford.at> | 2017-07-29 21:34:29 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2017-07-29 21:34:29 +0200 |
| commit | cb87f93cf863d591c7d442222ffb1b1bcc58d84e (patch) | |
| tree | de38be9bd064e922f31c72d3401502d4c1302358 /spiflash/spiflash.v | |
| parent | 995f366d0e524e4a52a18a5eec6efa3aa225c344 (diff) | |
| download | picorv32-cb87f93cf863d591c7d442222ffb1b1bcc58d84e.tar.gz picorv32-cb87f93cf863d591c7d442222ffb1b1bcc58d84e.zip | |
Improve spiflash testbench and firmware
Diffstat (limited to 'spiflash/spiflash.v')
| -rw-r--r-- | spiflash/spiflash.v | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/spiflash/spiflash.v b/spiflash/spiflash.v index 933f3a2..5bb796b 100644 --- a/spiflash/spiflash.v +++ b/spiflash/spiflash.v @@ -4,7 +4,7 @@ module spiflash ( input spi_mosi, input spi_sclk ); - localparam verbose = 1; + localparam verbose = 0; reg [7:0] buffer; integer bitcount = 0; @@ -29,12 +29,7 @@ module spiflash ( task spi_action; begin - if (verbose) begin - if (bytecount == 1) - $write("<SPI>"); - $write("<SPI:%02x", buffer); - spi_in = buffer; - end + spi_in = buffer; if (bytecount == 1) begin spi_cmd = buffer; @@ -60,12 +55,15 @@ module spiflash ( end end + spi_out = buffer; + spi_io_vld = 1; + if (verbose) begin - $write(":%02x>", buffer); - spi_out = buffer; - spi_io_vld = 1; - $fflush; + if (bytecount == 1) + $write("<SPI-START>"); + $write("<SPI:%02x:%02x>", spi_in, spi_out); end + end endtask |