From patchwork Mon Feb 11 19:01:19 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [for-next,v3,2/5] tmp105: Add debug output Date: Mon, 11 Feb 2013 09:01:19 -0000 From: =?utf-8?q?Andreas_F=C3=A4rber?= X-Patchwork-Id: 219664 Message-Id: <1360609282-22051-3-git-send-email-afaerber@suse.de> To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Andreas=20F=C3=A4rber?= , anthony@codemonkey.ws From: Andreas Färber Signed-off-by: Andreas Färber --- hw/tmp105.c | 27 +++++++++++++++++++++++++-- 1 Datei geändert, 25 Zeilen hinzugefügt(+), 2 Zeilen entfernt(-) diff --git a/hw/tmp105.c b/hw/tmp105.c index 3ad2d2f..5dafa37 100644 --- a/hw/tmp105.c +++ b/hw/tmp105.c @@ -23,6 +23,18 @@ #include "tmp105.h" #include "qapi/visitor.h" +#undef DEBUG_TMP105 + +static inline void GCC_FMT_ATTR(1, 2) DPRINTF(const char *fmt, ...) +{ +#ifdef DEBUG_TMP105 + va_list ap; + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); +#endif +} + static void tmp105_interrupt_update(TMP105State *s) { qemu_set_irq(s->pin, s->alarm ^ ((~s->config >> 2) & 1)); /* POL */ @@ -115,10 +127,16 @@ static void tmp105_read(TMP105State *s) s->buf[s->len ++] = ((uint16_t) s->limit[1]) >> 0; break; } + + DPRINTF("%s: %02" PRIx8 " %02" PRIx8 "%02" PRIx8 "\n", + __func__, s->pointer, s->buf[0], s->buf[1]); } static void tmp105_write(TMP105State *s) { + DPRINTF("%s: %02" PRIx8 " %02" PRIx8 "%02" PRIx8 "\n", + __func__, s->pointer, s->buf[0], s->buf[1]); + switch (s->pointer & 3) { case TMP105_REG_TEMPERATURE: break; @@ -144,18 +162,23 @@ static void tmp105_write(TMP105State *s) static int tmp105_rx(I2CSlave *i2c) { TMP105State *s = TMP105(i2c); + int ret; if (s->len < 2) { - return s->buf[s->len ++]; + ret = s->buf[s->len++]; } else { - return 0xff; + ret = 0xff; } + DPRINTF("%s: <- %02x\n", __func__, ret); + return ret; } static int tmp105_tx(I2CSlave *i2c, uint8_t data) { TMP105State *s = TMP105(i2c); + DPRINTF("%s: -> %02" PRIx8 "\n", __func__, data); + if (s->len == 0) { s->pointer = data; s->len++;