From 7ea624b179cfb2cd6204be4dc128ba7ef07f4546 Mon Sep 17 00:00:00 2001 From: michael-west Date: Mon, 15 Aug 2016 11:21:57 -0700 Subject: X300: GPSDO fixes - Optimize writes so full 32-bit words are written at a time - Simplify UART so it does not strip or add characters --- firmware/usrp3/x300/x300_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'firmware') diff --git a/firmware/usrp3/x300/x300_main.c b/firmware/usrp3/x300/x300_main.c index 3b812a2c4..125459583 100644 --- a/firmware/usrp3/x300/x300_main.c +++ b/firmware/usrp3/x300/x300_main.c @@ -345,12 +345,12 @@ static void handle_uarts(void) static uint32_t rxoffset = 0; for (int rxch = wb_uart_getc(UART0_BASE); rxch != -1; rxch = wb_uart_getc(UART0_BASE)) { - rxoffset++; const int shift = ((rxoffset%4) * 8); static uint32_t rxword32 = 0; if (shift == 0) rxword32 = 0; rxword32 |= ((uint32_t) rxch & 0xFF) << shift; rxpool[(rxoffset/4) % NUM_POOL_WORDS32] = rxword32; + rxoffset++; shmem[X300_FW_SHMEM_UART_RX_INDEX] = rxoffset; } -- cgit v1.2.3