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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id b18sm97910681wrw.83.2019.01.28.10.11.07 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 28 Jan 2019 10:11:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=uX5nAYGehv68vGAECP4Mrhj/iKf1M0dS2W4krBZSGkI=; b=iX97tbEWVOko3Is+W7vZ6DwSQdzYLtTUFMeCRuRPDlM5dENRDGHav9GryU1aAWPF9G QQ+ArmDMx3QyOAkQJrdXjshlUXj8pYTd8AGshTHSoaQXbbt/eSyaA6OsL7khsBTcU0/9 rMYfZk0qmi9rwHGNoSc5dI7rk0hbdbjDyE0y0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=uX5nAYGehv68vGAECP4Mrhj/iKf1M0dS2W4krBZSGkI=; b=kXXEVrkWddRSVVfmZiIE6obHnL31zUb9Kv1wo2L6F7Ib8RBUglaOuCbnKDNbcgDZjv B6mWVSPf0wZJjHAUrgjB+hlxm+ku5ZwaHx1mvLddNI821FS0eIJhEJpPJV9fbJOZSspE 42bDvbcUEgmZma1EL/BmHGxRVmpBs1EpOiz3rCinz0jZsYGj2l6ZME+KsxjbeZYD2HVV 6sPQbfbNjHYfkPwSfbTKKcqYh3zkY3J7UElqmQMKh1BLxr2Lfh5Cw5XUfXtEE8zgxo6s 7tzr+J7KooqAA7Q5K34R1fzdWra9FfAFww3ZiRU5pENqmQTdCTqvr/gx0rN6q6wk5ARb kZpg== X-Gm-Message-State: AJcUukesKM192ceoJEPQT6GHgOJ1Y6yjyqnoxDTjkblyVGX5n0kF9uUe 9nCwxTv0ZWsitqtEHS6SIAiHCnbrQ19Khw== X-Google-Smtp-Source: ALg8bN4EHQt+vjyP4KSsIvG8EY9sCPSqRp5sCL+N4E0GPBzYKt0FuC1YxYw40fFRW2Tnkjmh3f9wQg== X-Received: by 2002:adf:9c01:: with SMTP id f1mr23630381wrc.286.1548699069072; Mon, 28 Jan 2019 10:11:09 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Date: Mon, 28 Jan 2019 18:10:36 +0000 Message-Id: <20190128181047.20781-16-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190128181047.20781-1-peter.maydell@linaro.org> References: <20190128181047.20781-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::436 Subject: [Qemu-devel] [PULL 15/26] tests/microbit-test: Check nRF51 UART functionality X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" From: Julia Suvorova Some functional tests for: Basic reception/transmittion Suspending INTEN* registers Signed-off-by: Julia Suvorova Reviewed-by: Stefan Hajnoczi Acked-by: Thomas Huth Message-id: 20190123120759.7162-4-jusual@mail.ru Signed-off-by: Peter Maydell --- tests/microbit-test.c | 89 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 89 insertions(+) diff --git a/tests/microbit-test.c b/tests/microbit-test.c index afeb6b082a6..3bad947b6cd 100644 --- a/tests/microbit-test.c +++ b/tests/microbit-test.c @@ -19,10 +19,98 @@ #include "libqtest.h" =20 #include "hw/arm/nrf51.h" +#include "hw/char/nrf51_uart.h" #include "hw/gpio/nrf51_gpio.h" #include "hw/timer/nrf51_timer.h" #include "hw/i2c/microbit_i2c.h" =20 +static bool uart_wait_for_event(QTestState *qts, uint32_t event_addr) +{ + time_t now, start =3D time(NULL); + + while (true) { + if (qtest_readl(qts, event_addr) =3D=3D 1) { + qtest_writel(qts, event_addr, 0x00); + return true; + } + + /* Wait at most 10 minutes */ + now =3D time(NULL); + if (now - start > 600) { + break; + } + g_usleep(10000); + } + + return false; +} + +static void uart_rw_to_rxd(QTestState *qts, int sock_fd, const char *in, + char *out) +{ + int i, in_len =3D strlen(in); + + g_assert_true(write(sock_fd, in, in_len) =3D=3D in_len); + for (i =3D 0; i < in_len; i++) { + g_assert_true(uart_wait_for_event(qts, NRF51_UART_BASE + + A_UART_RXDRDY)); + out[i] =3D qtest_readl(qts, NRF51_UART_BASE + A_UART_RXD); + } + out[i] =3D '\0'; +} + +static void uart_w_to_txd(QTestState *qts, const char *in) +{ + int i, in_len =3D strlen(in); + + for (i =3D 0; i < in_len; i++) { + qtest_writel(qts, NRF51_UART_BASE + A_UART_TXD, in[i]); + g_assert_true(uart_wait_for_event(qts, NRF51_UART_BASE + + A_UART_TXDRDY)); + } +} + +static void test_nrf51_uart(void) +{ + int sock_fd; + char s[10]; + QTestState *qts =3D qtest_init_with_serial("-M microbit", &sock_fd); + + g_assert_true(write(sock_fd, "c", 1) =3D=3D 1); + g_assert_cmphex(qtest_readl(qts, NRF51_UART_BASE + A_UART_RXD), =3D=3D= , 0x00); + + qtest_writel(qts, NRF51_UART_BASE + A_UART_ENABLE, 0x04); + qtest_writel(qts, NRF51_UART_BASE + A_UART_STARTRX, 0x01); + + g_assert_true(uart_wait_for_event(qts, NRF51_UART_BASE + A_UART_RXDRDY= )); + qtest_writel(qts, NRF51_UART_BASE + A_UART_RXDRDY, 0x00); + g_assert_cmphex(qtest_readl(qts, NRF51_UART_BASE + A_UART_RXD), =3D=3D= , 'c'); + + qtest_writel(qts, NRF51_UART_BASE + A_UART_INTENSET, 0x04); + g_assert_cmphex(qtest_readl(qts, NRF51_UART_BASE + A_UART_INTEN), =3D= =3D, 0x04); + qtest_writel(qts, NRF51_UART_BASE + A_UART_INTENCLR, 0x04); + g_assert_cmphex(qtest_readl(qts, NRF51_UART_BASE + A_UART_INTEN), =3D= =3D, 0x00); + + uart_rw_to_rxd(qts, sock_fd, "hello", s); + g_assert_true(memcmp(s, "hello", 5) =3D=3D 0); + + qtest_writel(qts, NRF51_UART_BASE + A_UART_STARTTX, 0x01); + uart_w_to_txd(qts, "d"); + g_assert_true(read(sock_fd, s, 10) =3D=3D 1); + g_assert_cmphex(s[0], =3D=3D, 'd'); + + qtest_writel(qts, NRF51_UART_BASE + A_UART_SUSPEND, 0x01); + qtest_writel(qts, NRF51_UART_BASE + A_UART_TXD, 'h'); + qtest_writel(qts, NRF51_UART_BASE + A_UART_STARTTX, 0x01); + uart_w_to_txd(qts, "world"); + g_assert_true(read(sock_fd, s, 10) =3D=3D 5); + g_assert_true(memcmp(s, "world", 5) =3D=3D 0); + + close(sock_fd); + + qtest_quit(qts); +} + /* Read a byte from I2C device at @addr from register @reg */ static uint32_t i2c_read_byte(QTestState *qts, uint32_t addr, uint32_t reg) { @@ -302,6 +390,7 @@ int main(int argc, char **argv) { g_test_init(&argc, &argv, NULL); =20 + qtest_add_func("/microbit/nrf51/uart", test_nrf51_uart); qtest_add_func("/microbit/nrf51/gpio", test_nrf51_gpio); qtest_add_func("/microbit/nrf51/timer", test_nrf51_timer); qtest_add_func("/microbit/microbit/i2c", test_microbit_i2c); --=20 2.20.1