at91_adc.h
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00040 #ifndef AT91_ADC_H
00041 #define AT91_ADC_H
00042
00043
00047 #define ADC_CR_OFF 0x00000000 ///< Control register offeset.
00048 #define ADC_CR (*((reg32_t *)(ADC_BASE + ADC_CR_OFF))) ///< Control register address.
00049 #define ADC_SWRST 0 ///< Software reset.
00050 #define ADC_START 1 ///< Start conversion.
00051
00052
00056 #define ADC_MR_OFF 0x00000004 ///< Mode register offeset.
00057 #define ADC_MR (*((reg32_t *)(ADC_BASE + ADC_MR_OFF))) ///< Mode register address.
00058 #define ADC_TRGEN 0 ///< Trigger enable.
00059
00060 #define ADC_TRGSEL_TIOA0 0x00000000 ///< TIOA output of the timer counter channel 0.
00061 #define ADC_TRGSEL_TIOA1 0x00000002 ///< TIOA output of the timer counter channel 1.
00062 #define ADC_TRGSEL_TIOA2 0x00000004 ///< TIOA output of the timer counter channel 2.
00063 #define ADC_TRGSEL_EXT 0x0000000C ///< External trigger.
00064
00065 #define ADC_LOWRES 4 ///< Resolution 0: 10-bit, 1: 8-bit.
00066 #define ADC_SLEEP 5 ///< Sleep mode.
00067
00072 #define ADC_PRESCALER_MASK 0x00003F00 ///< Prescaler rate selection mask.
00073 #define ADC_PRESCALER_SHIFT 8 ///< Prescale rate selection shift.
00074
00079 #define ADC_STARTUP_MASK 0x001F0000 ///< Start up timer mask.
00080 #define ADC_STARTUP_SHIFT 16 ///< Start up timer shift.
00081
00082
00087 #define ADC_SHTIME_MASK 0x0F000000 ///< Sample & hold time mask.
00088 #define ADC_SHTIME_SHIFT 24 ///< Sample & hold time shift.
00089
00090
00094 #define ADC_CHER_OFF 0x00000010 ///< Channel enable register offeset.
00095 #define ADC_CHER (*((reg32_t *)(ADC_BASE + ADC_CHER_OFF))) ///< Channel enable register address.
00096
00100 #define ADC_CHDR_OFF 0x00000014 ///< Channel disable register offeset.
00101 #define ADC_CHDR (*((reg32_t *)(ADC_BASE + ADC_CHDR_OFF))) ///< Channel disable register address.
00102
00106 #define ADC_CHSR_OFF 0x00000018 ///< Channel status register offeset.
00107 #define ADC_CHSR (*((reg32_t *)(ADC_BASE + ADC_CHSR_OFF))) ///< Channel status register address.
00108
00109 #define ADC_CH_MASK 0x000000FF ///< Channel mask.
00110 #define ADC_CH0 0 ///< Channel 0
00111 #define ADC_CH1 1 ///< Channel 1
00112 #define ADC_CH2 2 ///< Channel 2
00113 #define ADC_CH3 3 ///< Channel 3
00114 #define ADC_CH4 4 ///< Channel 4
00115 #define ADC_CH5 5 ///< Channel 5
00116 #define ADC_CH6 6 ///< Channel 6
00117 #define ADC_CH7 7 ///< Channel 7
00118
00122 #define ADC_SR_OFF 0x0000001C ///< Status register offeset.
00123 #define ADC_SR (*((reg32_t *)(ADC_BASE + ADC_SR_OFF))) ///< Status register address.
00124
00128 #define ADC_IER_OFF 0x00000024 ///< Interrupt enable register offeset.
00129 #define ADC_IER (*((reg32_t *)(ADC_BASE + ADC_IER_OFF))) ///< Interrupt enable register.
00130
00134 #define ADC_IDR_OFF 0x00000028 ///< Interrupt disable register offeset.
00135 #define ADC_IDR (*((reg32_t *)(ADC_BASE + ADC_IDR_OFF))) ///< Interrupt disable register.
00136
00140 #define ADC_IMR_OFF 0x0000002C ///< Interrupt mask register offeset.
00141 #define ADC_IMR (*((reg32_t *)(ADC_BASE + ADC_IMR_OFF))) ///< Interrupt mask register.
00142
00143 #define ADC_EOC_MASK 0x000000FF ///< End of converison mask.
00144 #define ADC_EOC0 0 ///< End of conversion channel 0.
00145 #define ADC_EOC1 1 ///< End of conversion channel 1.
00146 #define ADC_EOC2 2 ///< End of conversion channel 2.
00147 #define ADC_EOC3 3 ///< End of conversion channel 3.
00148 #define ADC_EOC4 4 ///< End of conversion channel 4.
00149 #define ADC_EOC5 5 ///< End of conversion channel 5.
00150 #define ADC_EOC6 6 ///< End of conversion channel 6.
00151 #define ADC_EOC7 7 ///< End of conversion channel 7.
00152
00153 #define ADC_OVRE0 8 ///< Overrun error channel 0.
00154 #define ADC_OVRE1 9 ///< Overrun error channel 1.
00155 #define ADC_OVRE2 10 ///< Overrun error channel 2.
00156 #define ADC_OVRE3 11 ///< Overrun error channel 3.
00157 #define ADC_OVRE4 12 ///< Overrun error channel 4.
00158 #define ADC_OVRE5 13 ///< Overrun error channel 5.
00159 #define ADC_OVRE6 14 ///< Overrun error channel 6.
00160 #define ADC_OVRE7 15 ///< Overrun error channel 7.
00161
00162 #define ADC_DRDY 16 ///< Data ready.
00163 #define ADC_GOVRE 17 ///< General overrun error.
00164 #define ADC_ENDRX 18 ///< End of RX buffer.
00165 #define ADC_RXBUFF 19 ///< Rx buffer full.
00166
00170 #define ADC_LCDR_OFF 0x00000020 ///< Last converted data register offeset.
00171 #define ADC_LCDR (*((reg32_t *)(ADC_BASE + ADC_LCDR_OFF))) ///< Last converted data register.
00172
00178 #define ADC_CDR0_OFF 0x00000030 ///< Channel data register 0 offeset.
00179 #define ADC_CDR1_OFF 0x00000034 ///< Channel data register 1 offeset.
00180 #define ADC_CDR2_OFF 0x00000038 ///< Channel data register 2 offeset.
00181 #define ADC_CDR3_OFF 0x0000003C ///< Channel data register 3 offeset.
00182 #define ADC_CDR4_OFF 0x00000040 ///< Channel data register 4 offeset.
00183 #define ADC_CDR5_OFF 0x00000044 ///< Channel data register 5 offeset.
00184 #define ADC_CDR6_OFF 0x00000048 ///< Channel data register 6 offeset.
00185 #define ADC_CDR7_OFF 0x0000004C ///< Channel data register 7 offeset.
00186
00187 #define ADC_CDR0 (*((reg32_t *)(ADC_BASE + ADC_CDR0_OFF))) ///< Channel data register 0.
00188 #define ADC_CDR1 (*((reg32_t *)(ADC_BASE + ADC_CDR1_OFF))) ///< Channel data register 1.
00189 #define ADC_CDR2 (*((reg32_t *)(ADC_BASE + ADC_CDR2_OFF))) ///< Channel data register 2.
00190 #define ADC_CDR3 (*((reg32_t *)(ADC_BASE + ADC_CDR3_OFF))) ///< Channel data register 3.
00191 #define ADC_CDR4 (*((reg32_t *)(ADC_BASE + ADC_CDR4_OFF))) ///< Channel data register 4.
00192 #define ADC_CDR5 (*((reg32_t *)(ADC_BASE + ADC_CDR5_OFF))) ///< Channel data register 5.
00193 #define ADC_CDR6 (*((reg32_t *)(ADC_BASE + ADC_CDR6_OFF))) ///< Channel data register 6.
00194 #define ADC_CDR7 (*((reg32_t *)(ADC_BASE + ADC_CDR7_OFF))) ///< Channel data register 7.
00195
00196
00197 #endif