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iAudio M3: ADC driver, making buttons and battery voltage reading work. * Disable the multi-colour LED for now to save power. Proper handling will be added later. * Make reboot on button press work on iAudio X5, M5, M3 in panicf(), and on M3 in UIE().

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16684 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2008-03-17 00:19:23 +00:00
parent 648104a318
commit c6b6bad18f
10 changed files with 197 additions and 28 deletions
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19
firmware/target/coldfire/i2c-coldfire.c
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@ -56,15 +56,16 @@ void i2c_init(void)
/* I2C Clock divisor = 160 => 124.1556 MHz / 2 / 160 = 388.08 kHz */
MFDR = 0x0d;
#if defined(IAUDIO_M3)
MBCR = IEN; /* Enable interface 1 */
/* secondary channel is handled in the interrupt driven ADC driver */
#elif defined(IAUDIO_X5) || defined(IAUDIO_M5)
MBCR = IEN; /* Enable interface 1 */
MFDR2 = 0x0d;
#if defined(IAUDIO_X5) || defined(IAUDIO_M5)
MBCR = IEN; /* Enable interface */
MBCR2 = IEN;
#endif
#if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
/* Audio Codec */
MBCR2 = IEN; /* Enable interface 2 */
#elif defined(IRIVER_H100_SERIES) || defined(IRIVER_H300_SERIES)
MBDR = 0; /* iRiver firmware does this */
MBCR = IEN; /* Enable interface */
#endif
@ -156,7 +157,7 @@ int i2c_read(volatile unsigned char *iface, unsigned char addr,
iface[O_MBCR] |= TXAK;
else if (i == 1)
/* Generate STOP before reading last byte received */
i2c_stop(iface);
i2c_stop(iface);
*buf++ = iface[O_MBDR];
}