at91_adc.h
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00042 #ifndef AT91_ADC_H
00043 #define AT91_ADC_H
00044
00045
00049 #define ADC_CR_OFF 0x00000000 ///< Control register offeset.
00050 #define ADC_CR (*((reg32_t *)(ADC_BASE + ADC_CR_OFF))) ///< Control register address.
00051 #define ADC_SWRST 0 ///< Software reset.
00052 #define ADC_START 1 ///< Start conversion.
00053
00054
00058 #define ADC_MR_OFF 0x00000004 ///< Mode register offeset.
00059 #define ADC_MR (*((reg32_t *)(ADC_BASE + ADC_MR_OFF))) ///< Mode register address.
00060 #define ADC_TRGEN 0 ///< Trigger enable.
00061
00062 #define ADC_TRGSEL_TIOA0 0x00000000 ///< TIOA output of the timer counter channel 0.
00063 #define ADC_TRGSEL_TIOA1 0x00000002 ///< TIOA output of the timer counter channel 1.
00064 #define ADC_TRGSEL_TIOA2 0x00000004 ///< TIOA output of the timer counter channel 2.
00065 #define ADC_TRGSEL_EXT 0x0000000C ///< External trigger.
00066
00067 #define ADC_LOWRES 4 ///< Resolution 0: 10-bit, 1: 8-bit.
00068 #define ADC_SLEEP 5 ///< Sleep mode.
00069
00074 #define ADC_PRESCALER_MASK 0x00003F00 ///< Prescaler rate selection mask.
00075 #define ADC_PRESCALER_SHIFT 8 ///< Prescale rate selection shift.
00076
00081 #define ADC_STARTUP_MASK 0x001F0000 ///< Start up timer mask.
00082 #define ADC_STARTUP_SHIFT 16 ///< Start up timer shift.
00083
00084
00089 #define ADC_SHTIME_MASK 0x0F000000 ///< Sample & hold time mask.
00090 #define ADC_SHTIME_SHIFT 24 ///< Sample & hold time shift.
00091
00092
00096 #define ADC_CHER_OFF 0x00000010 ///< Channel enable register offeset.
00097 #define ADC_CHER (*((reg32_t *)(ADC_BASE + ADC_CHER_OFF))) ///< Channel enable register address.
00098
00102 #define ADC_CHDR_OFF 0x00000014 ///< Channel disable register offeset.
00103 #define ADC_CHDR (*((reg32_t *)(ADC_BASE + ADC_CHDR_OFF))) ///< Channel disable register address.
00104
00108 #define ADC_CHSR_OFF 0x00000018 ///< Channel status register offeset.
00109 #define ADC_CHSR (*((reg32_t *)(ADC_BASE + ADC_CHSR_OFF))) ///< Channel status register address.
00110
00111 #define ADC_CH_MASK 0x000000FF ///< Channel mask.
00112 #define ADC_CH0 0 ///< Channel 0
00113 #define ADC_CH1 1 ///< Channel 1
00114 #define ADC_CH2 2 ///< Channel 2
00115 #define ADC_CH3 3 ///< Channel 3
00116 #define ADC_CH4 4 ///< Channel 4
00117 #define ADC_CH5 5 ///< Channel 5
00118 #define ADC_CH6 6 ///< Channel 6
00119 #define ADC_CH7 7 ///< Channel 7
00120
00124 #define ADC_SR_OFF 0x0000001C ///< Status register offeset.
00125 #define ADC_SR (*((reg32_t *)(ADC_BASE + ADC_SR_OFF))) ///< Status register address.
00126
00130 #define ADC_IER_OFF 0x00000024 ///< Interrupt enable register offeset.
00131 #define ADC_IER (*((reg32_t *)(ADC_BASE + ADC_IER_OFF))) ///< Interrupt enable register.
00132
00136 #define ADC_IDR_OFF 0x00000028 ///< Interrupt disable register offeset.
00137 #define ADC_IDR (*((reg32_t *)(ADC_BASE + ADC_IDR_OFF))) ///< Interrupt disable register.
00138
00142 #define ADC_IMR_OFF 0x0000002C ///< Interrupt mask register offeset.
00143 #define ADC_IMR (*((reg32_t *)(ADC_BASE + ADC_IMR_OFF))) ///< Interrupt mask register.
00144
00145 #define ADC_EOC_MASK 0x000000FF ///< End of converison mask.
00146 #define ADC_EOC0 0 ///< End of conversion channel 0.
00147 #define ADC_EOC1 1 ///< End of conversion channel 1.
00148 #define ADC_EOC2 2 ///< End of conversion channel 2.
00149 #define ADC_EOC3 3 ///< End of conversion channel 3.
00150 #define ADC_EOC4 4 ///< End of conversion channel 4.
00151 #define ADC_EOC5 5 ///< End of conversion channel 5.
00152 #define ADC_EOC6 6 ///< End of conversion channel 6.
00153 #define ADC_EOC7 7 ///< End of conversion channel 7.
00154
00155 #define ADC_OVRE0 8 ///< Overrun error channel 0.
00156 #define ADC_OVRE1 9 ///< Overrun error channel 1.
00157 #define ADC_OVRE2 10 ///< Overrun error channel 2.
00158 #define ADC_OVRE3 11 ///< Overrun error channel 3.
00159 #define ADC_OVRE4 12 ///< Overrun error channel 4.
00160 #define ADC_OVRE5 13 ///< Overrun error channel 5.
00161 #define ADC_OVRE6 14 ///< Overrun error channel 6.
00162 #define ADC_OVRE7 15 ///< Overrun error channel 7.
00163
00164 #define ADC_DRDY 16 ///< Data ready.
00165 #define ADC_GOVRE 17 ///< General overrun error.
00166 #define ADC_ENDRX 18 ///< End of RX buffer.
00167 #define ADC_RXBUFF 19 ///< Rx buffer full.
00168
00172 #define ADC_LCDR_OFF 0x00000020 ///< Last converted data register offeset.
00173 #define ADC_LCDR (*((reg32_t *)(ADC_BASE + ADC_LCDR_OFF))) ///< Last converted data register.
00174
00180 #define ADC_CDR0_OFF 0x00000030 ///< Channel data register 0 offeset.
00181 #define ADC_CDR1_OFF 0x00000034 ///< Channel data register 1 offeset.
00182 #define ADC_CDR2_OFF 0x00000038 ///< Channel data register 2 offeset.
00183 #define ADC_CDR3_OFF 0x0000003C ///< Channel data register 3 offeset.
00184 #define ADC_CDR4_OFF 0x00000040 ///< Channel data register 4 offeset.
00185 #define ADC_CDR5_OFF 0x00000044 ///< Channel data register 5 offeset.
00186 #define ADC_CDR6_OFF 0x00000048 ///< Channel data register 6 offeset.
00187 #define ADC_CDR7_OFF 0x0000004C ///< Channel data register 7 offeset.
00188
00189 #define ADC_CDR0 (*((reg32_t *)(ADC_BASE + ADC_CDR0_OFF))) ///< Channel data register 0.
00190 #define ADC_CDR1 (*((reg32_t *)(ADC_BASE + ADC_CDR1_OFF))) ///< Channel data register 1.
00191 #define ADC_CDR2 (*((reg32_t *)(ADC_BASE + ADC_CDR2_OFF))) ///< Channel data register 2.
00192 #define ADC_CDR3 (*((reg32_t *)(ADC_BASE + ADC_CDR3_OFF))) ///< Channel data register 3.
00193 #define ADC_CDR4 (*((reg32_t *)(ADC_BASE + ADC_CDR4_OFF))) ///< Channel data register 4.
00194 #define ADC_CDR5 (*((reg32_t *)(ADC_BASE + ADC_CDR5_OFF))) ///< Channel data register 5.
00195 #define ADC_CDR6 (*((reg32_t *)(ADC_BASE + ADC_CDR6_OFF))) ///< Channel data register 6.
00196 #define ADC_CDR7 (*((reg32_t *)(ADC_BASE + ADC_CDR7_OFF))) ///< Channel data register 7.
00197
00198
00199 #endif