From: bugzilla-daemon@bugs.ecos.sourceware.org
To: ecos-patches@ecos.sourceware.org
Subject: [Bug 1001397] I2C driver for Kinetis microcontrollers
Date: Tue, 23 Apr 2013 04:47:00 -0000 [thread overview]
Message-ID: <bug-1001397-104-gv1d7cxJT1@http.bugs.ecos.sourceware.org/> (raw)
In-Reply-To: <bug-1001397-104@http.bugs.ecos.sourceware.org/>
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http://bugs.ecos.sourceware.org/show_bug.cgi?id=1001397
--- Comment #57 from Mike Jones <mjones@linear.com> ---
I get the same conservative frequency no matter how
CYGNUM_DEVS_FREESCALE_I2C_CLOCK_AGR is set.
I have given the code below, which I know ignores the delay specified in the
CDL. Is there a different way to write the code so that the delay and AGR of
the CDL get applied?
uint16_t smbus_read_word(uint8_t address, uint8_t command)
{
cyg_i2c_device device = { \
.i2c_bus = &cyg_i2c0_bus, \
.i2c_address = address, \
.i2c_flags = 0, \
.i2c_delay = i2c_bus_time \
};
cyg_uint8 buffer[1];
cyg_uint8 input[2];
buffer[0] = command;
cyg_i2c_transaction_begin(&device);
if(!cyg_i2c_transaction_tx(&device, true, &buffer[0], 1, false)) {
diag_printf("Read Word: fail TX.\n");
} else if(!cyg_i2c_transaction_rx(&device, true, &input[0], 2, true, true))
{
diag_printf("Read Word: fail RX.\n");
}
cyg_i2c_transaction_end(&device);
return input[1] << 8 | input[0];
}
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[not found] <bug-1001397-104@http.bugs.ecos.sourceware.org/>
2011-12-01 15:48 ` [Bug 1001397] I2C driver for Kinetic microcontrollers bugzilla-daemon
2011-12-01 15:52 ` bugzilla-daemon
2011-12-01 15:58 ` bugzilla-daemon
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2013-04-10 21:17 ` [Bug 1001397] I2C driver for Kinetis microcontrollers bugzilla-daemon
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2013-08-30 7:18 ` bugzilla-daemon
2014-01-28 1:46 ` bugzilla-daemon
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