altos/stm: Simplify ao_usb_write a bit

Remove unnecessary 'offset' param (was always passed zero). This also
makes some code conditional on that value no longer necessary.

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index 595bddac29c0618f35e8063c5a29dff2530314c7..e436d264088221aa2f84f0b05cb316f238dde2e0 100644 (file)
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -446,15 +446,11 @@ ao_usb_write_short(uint16_t data, uint32_t *base, uint16_t offset)
 }
 
 static void
-ao_usb_write(const uint8_t *src, uint32_t *base, uint16_t offset, uint16_t bytes)
+ao_usb_write(const uint8_t *src, uint32_t *base, uint16_t bytes)
 {
+       uint16_t offset = 0;
        if (!bytes)
                return;
-       if (offset & 1) {
-               debug_data (" %02x", src[0]);
-               ao_usb_write_byte(*src++, base, offset++);
-               bytes--;
-       }
        while (bytes >= 2) {
                debug_data (" %02x %02x", src[0], src[1]);
                ao_usb_write_short((src[1] << 8) | src[0], base, offset);
@@ -531,7 +527,7 @@ ao_usb_ep0_flush(void)
        ao_usb_ep0_in_len -= this_len;
 
        debug_data ("Flush EP0 len %d:", this_len);
-       ao_usb_write(ao_usb_ep0_in_data, ao_usb_ep0_tx_buffer, 0, this_len);
+       ao_usb_write(ao_usb_ep0_in_data, ao_usb_ep0_tx_buffer, this_len);
        debug_data ("\n");
        ao_usb_ep0_in_data += this_len;
 
@@ -850,7 +846,7 @@ _ao_usb_in_send(void)
        ao_usb_in_pending = 1;
        if (ao_usb_tx_count != AO_USB_IN_SIZE)
                ao_usb_in_flushed = 1;
-       ao_usb_write(ao_usb_tx_buffer, ao_usb_in_tx_buffer, 0, ao_usb_tx_count);
+       ao_usb_write(ao_usb_tx_buffer, ao_usb_in_tx_buffer, ao_usb_tx_count);
        ao_usb_bdt[AO_USB_IN_EPR].single.count_tx = ao_usb_tx_count;
        ao_usb_tx_count = 0;
        _ao_usb_set_stat_tx(AO_USB_IN_EPR, STM_USB_EPR_STAT_TX_VALID);