From patchwork Tue Jan 19 07:23:06 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alistair Francis X-Patchwork-Id: 569819 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 19FCD140B94 for ; Tue, 19 Jan 2016 18:23:47 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=WUHN9mWs; dkim-atps=neutral Received: from localhost ([::1]:35424 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLQdk-0008K4-Qz for incoming@patchwork.ozlabs.org; Tue, 19 Jan 2016 02:23:44 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51911) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLQdB-00078o-Pj for qemu-devel@nongnu.org; Tue, 19 Jan 2016 02:23:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLQdA-0008OR-JI for qemu-devel@nongnu.org; Tue, 19 Jan 2016 02:23:09 -0500 Received: from mail-pf0-x242.google.com ([2607:f8b0:400e:c00::242]:33800) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLQdA-0008OK-DM for qemu-devel@nongnu.org; Tue, 19 Jan 2016 02:23:08 -0500 Received: by mail-pf0-x242.google.com with SMTP id 65so12781470pfd.1 for ; Mon, 18 Jan 2016 23:23:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=jjF7T/pWAH2vbV0q0VoHewWtFnJDY3fVtkDPVJlN8bw=; b=WUHN9mWsYyzcHie0zU4r5dOFmPViUA6J5fCQVU0MeYpca8O0+zdPqfzavh3EtVjk0y kQ6tpnihEBpPsNatGutB1OpjmZlSb5UWetok6rWpAwg+pb8NQV5yVJ0/dlyGy0KrIg9K Fu1hK0C5Qm1I5+GiiAnvXE7b++ElLojxJBTQq2GnTEYHEOwjhPEzZCtaoZ45F+UIp2Hv fx5+/JOPnjNqgLQLrTOKt0HDSxuE6CmEto9uYpHYTZV8mzjUMBFYcDbJpmO42eKKs0bl ii6ycxaNfOUvXKzgYQlrpgf3aiYjE8EQ/kaI+uqaux8qSlCrkW+LnvShdZ+zT1nzYpWU ZhLA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=jjF7T/pWAH2vbV0q0VoHewWtFnJDY3fVtkDPVJlN8bw=; b=ZDcT0/JZH9rJCSjMEJKG4bwm9vgZMO4xVFoa4nF2Kv5bBkxgShrBT2ySMcDT5hMJDt 14BkVScU8fBznFpp7HYQbUa0zgN1uHLRzgDq8Q0KA+Jy9QhZCiAf0CXuSOlFbm94YcvK o3uneayvT5Mr45hnfChezrGmdtkVkDEjhix0vgKqEPewqpJH98unYkPdphRl5oTcBAje /r9xuFJXVO8FkDsrX24NqWtrf+qQy4Q5Z5AOAKTrz0vkvT3cNaF+vMteRpKo4h0/vtrD Famd1wre3ufLrAlSWj6bSpyEIM9096XBKfFvYdFFGZjOjRgNI3eZMek1Ih59MzQ5aENx suGA== X-Gm-Message-State: ALoCoQkyMoxbHr3ZIaAmwABGX+xM+PR3GNujK58EqPx/vaxBRrEAv9coK4KovnjtdoRXAo84rOGQ2yvi8yj1I0u4N64w288mXg== X-Received: by 10.98.72.135 with SMTP id q7mr42039019pfi.151.1453188187837; Mon, 18 Jan 2016 23:23:07 -0800 (PST) Received: from localhost ([2601:646:8501:c353:c839:244:eaf2:3cd]) by smtp.gmail.com with ESMTPSA id p71sm38871027pfa.11.2016.01.18.23.23.07 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 18 Jan 2016 23:23:07 -0800 (PST) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org, peter.crosthwaite@xilinx.com Date: Mon, 18 Jan 2016 23:23:06 -0800 Message-Id: <99ea849f904925a25447301ce14bb36e42a2f9f5.1453187657.git.alistair@alistair23.me> X-Mailer: git-send-email 2.5.0 In-Reply-To: References: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c00::242 Cc: peter.maydell@linaro.org, konstanty@ieee.org, alistair23@gmail.com Subject: [Qemu-devel] [PATCH v3 2/7] STM32F2xx: Display PWM duty cycle from timer X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org If correctly configured allow the STM32F2xx timer to print out the PWM duty cycle information. Signed-off-by: Alistair Francis Reviewed-by: Peter Crosthwaite --- V3: - Use OR instead of + for masking - Improve clarity of print statement V2: - Fix up if statement braces - Remove stm32f2xx_timer_set_alarm() call hw/timer/stm32f2xx_timer.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/hw/timer/stm32f2xx_timer.c b/hw/timer/stm32f2xx_timer.c index ecadf9d..6e33a99 100644 --- a/hw/timer/stm32f2xx_timer.c +++ b/hw/timer/stm32f2xx_timer.c @@ -49,6 +49,15 @@ static void stm32f2xx_timer_interrupt(void *opaque) qemu_irq_pulse(s->irq); stm32f2xx_timer_set_alarm(s, s->hit_time); } + + if (s->tim_ccmr1 & (TIM_CCMR1_OC2M2 | TIM_CCMR1_OC2M1) && + !(s->tim_ccmr1 & TIM_CCMR1_OC2M0) && + s->tim_ccmr1 & TIM_CCMR1_OC2PE && + s->tim_ccer & TIM_CCER_CC2E) { + /* PWM 2 - Mode 1 */ + DB_PRINT("PWM2 Duty Cycle: %d%%\n", + s->tim_ccr2 / (100 * (s->tim_psc + 1))); + } } static inline int64_t stm32f2xx_ns_to_ticks(STM32F2XXTimerState *s, int64_t t)