From 4f8d7e21683129063caec365f37e9a90501c3891 Mon Sep 17 00:00:00 2001 From: asterix Date: Wed, 12 Mar 2008 14:56:51 +0000 Subject: [PATCH] Add adc pins definition for at91 and fix pins for pwm. git-svn-id: https://src.develer.com/svnoss/bertos/trunk@1181 38d2e660-2303-0410-9eaa-f027e97ec537 --- cpu/arm/io/at91_adc.h | 199 ++++++++++++++++++++++++++++++++++++++++++ cpu/arm/io/at91sam7.h | 62 +++++++++++-- 2 files changed, 253 insertions(+), 8 deletions(-) create mode 100644 cpu/arm/io/at91_adc.h diff --git a/cpu/arm/io/at91_adc.h b/cpu/arm/io/at91_adc.h new file mode 100644 index 00000000..2abe435b --- /dev/null +++ b/cpu/arm/io/at91_adc.h @@ -0,0 +1,199 @@ +/** + * \file + * + * + * \version $Id$ + * + * \author Daniele Basile + * + * AT91SAM7 Analog to Digital Converter. + * + */ + + +#ifndef AT91_ADC_H +#define AT91_ADC_H + + +/** + * ADC control register + */ +#define ADC_CR_OFF 0x00000000 ///< Control register offeset. +#define ADC_CR (*((reg32_t *)(ADC_BASE + ADC_CR_OFF))) ///< Control register address. +#define ADC_SWRST 0 ///< Software reset. +#define ADC_START 1 ///< Start conversion. + + +/** + * ADC mode register + */ +#define ADC_MR_OFF 0x00000004 ///< Mode register offeset. +#define ADC_MR (*((reg32_t *)(ADC_BASE + ADC_MR_OFF))) ///< Mode register address. +#define ADC_TRGEN 0 ///< Trigger enable. + +#define ADC_TRGSEL_TIOA0 0x00000000 ///< TIOA output of the timer counter channel 0. +#define ADC_TRGSEL_TIOA1 0x00000002 ///< TIOA output of the timer counter channel 1. +#define ADC_TRGSEL_TIOA2 0x00000004 ///< TIOA output of the timer counter channel 2. +#define ADC_TRGSEL_EXT 0x0000000C ///< External trigger. + +#define ADC_LOWRES 4 ///< Resolution 0: 10-bit, 1: 8-bit. +#define ADC_SLEEP 5 ///< Sleep mode. + +/** + * Prescaler rate selection. + * ADCClock = MCK / ((ADC_PRESCALER_VALUE + 1) * 2) + */ +#define ADC_PRESCALER_MASK 0x00003F00 ///< Prescaler rate selection mask. +#define ADC_PRESCALER_SHIFT 8 ///< Prescale rate selection shift. + +/** + * Start up timer. + * Startup time = (ADC_STARTUP_VALUE + 1) * 8 /ADCClock + */ +#define ADC_STARTUP_MASK 0x001F0000 ///< Start up timer mask. +#define ADC_STARTUP_SHIFT 16 ///< Start up timer shift. + + +/** + * Sample & hold time. + * Sample & hold time = (ADC_SHTIM_VALUE + 1) * 8 /ADCClock + */ +#define ADC_SHTIME_MASK 0x0F000000 ///< Sample & hold time mask. +#define ADC_SHTIME_SHIFT 24 ///< Sample & hold time shift. + + +/** + * ADC channel enable register + */ +#define ADC_CHER_OFF 0x00000010 ///< Channel enable register offeset. +#define ADC_CHER (*((reg32_t *)(ADC_BASE + ADC_CHER_OFF))) ///< Channel enable register address. + +/** + * ADC channel disable register + */ +#define ADC_CHDR_OFF 0x00000014 ///< Channel disable register offeset. +#define ADC_CHDR (*((reg32_t *)(ADC_BASE + ADC_CHDR_OFF))) ///< Channel disable register address. + +/** + * ADC channel status register + */ +#define ADC_CHSR_OFF 0x00000018 ///< Channel status register offeset. +#define ADC_CHSR (*((reg32_t *)(ADC_BASE + ADC_CHSR_OFF))) ///< Channel status register address. + +#define ADC_CH_MASK 0x000000FF ///< Channel mask. +#define ADC_CH0 0 ///< Channel 0 +#define ADC_CH1 1 ///< Channel 1 +#define ADC_CH2 2 ///< Channel 2 +#define ADC_CH3 3 ///< Channel 3 +#define ADC_CH4 4 ///< Channel 4 +#define ADC_CH5 5 ///< Channel 5 +#define ADC_CH6 6 ///< Channel 6 +#define ADC_CH7 7 ///< Channel 7 + +/** + * ADC status register + */ +#define ADC_SR_OFF 0x0000001C ///< Status register offeset. +#define ADC_SR (*((reg32_t *)(ADC_BASE + ADC_SR_OFF))) ///< Status register address. + +/** + * ADC Interrupt enable register. + */ +#define ADC_IER_OFF 0x00000024 ///< Interrupt enable register offeset. +#define ADC_IER (*((reg32_t *)(ADC_BASE + ADC_IER_OFF))) ///< Interrupt enable register. + +/** + * ADC Interrupt disable register. + */ +#define ADC_IDR_OFF 0x00000028 ///< Interrupt disable register offeset. +#define ADC_IDR (*((reg32_t *)(ADC_BASE + ADC_IDR_OFF))) ///< Interrupt disable register. + +/** + * ADC Interrupt mask register. + */ +#define ADC_IMR_OFF 0x0000002C ///< Interrupt mask register offeset. +#define ADC_IMR (*((reg32_t *)(ADC_BASE + ADC_IMR_OFF))) ///< Interrupt mask register. + +#define ADC_EOC_MASK 0x000000FF ///< End of converison mask. +#define ADC_EOC0 0 ///< End of conversion channel 0. +#define ADC_EOC1 1 ///< End of conversion channel 1. +#define ADC_EOC2 2 ///< End of conversion channel 2. +#define ADC_EOC3 3 ///< End of conversion channel 3. +#define ADC_EOC4 4 ///< End of conversion channel 4. +#define ADC_EOC5 5 ///< End of conversion channel 5. +#define ADC_EOC6 6 ///< End of conversion channel 6. +#define ADC_EOC7 7 ///< End of conversion channel 7. + +#define ADC_OVRE0 8 ///< Overrun error channel 0. +#define ADC_OVRE1 9 ///< Overrun error channel 1. +#define ADC_OVRE2 10 ///< Overrun error channel 2. +#define ADC_OVRE3 11 ///< Overrun error channel 3. +#define ADC_OVRE4 12 ///< Overrun error channel 4. +#define ADC_OVRE5 13 ///< Overrun error channel 5. +#define ADC_OVRE6 14 ///< Overrun error channel 6. +#define ADC_OVRE7 15 ///< Overrun error channel 7. + +#define ADC_DRDY 16 ///< Data ready. +#define ADC_GOVRE 17 ///< General overrun error. +#define ADC_ENDRX 18 ///< End of RX buffer. +#define ADC_RXBUFF 19 ///< Rx buffer full. + +/** + * ADC last convert data register. + */ +#define ADC_LCDR_OFF 0x00000020 ///< Last converted data register offeset. +#define ADC_LCDR (*((reg32_t *)(ADC_BASE + ADC_LCDR_OFF))) ///< Last converted data register. + +/** + * ADC channel data register. + * + * \{ + */ +#define ADC_CDR0_OFF 0x00000030 ///< Channel data register 0 offeset. +#define ADC_CDR1_OFF 0x00000034 ///< Channel data register 1 offeset. +#define ADC_CDR2_OFF 0x00000038 ///< Channel data register 2 offeset. +#define ADC_CDR3_OFF 0x0000003C ///< Channel data register 3 offeset. +#define ADC_CDR4_OFF 0x00000040 ///< Channel data register 4 offeset. +#define ADC_CDR5_OFF 0x00000044 ///< Channel data register 5 offeset. +#define ADC_CDR6_OFF 0x00000048 ///< Channel data register 6 offeset. +#define ADC_CDR7_OFF 0x0000004C ///< Channel data register 7 offeset. + +#define ADC_CDR0 (*((reg32_t *)(ADC_BASE + ADC_CDR0_OFF))) ///< Channel data register 0. +#define ADC_CDR1 (*((reg32_t *)(ADC_BASE + ADC_CDR1_OFF))) ///< Channel data register 1. +#define ADC_CDR2 (*((reg32_t *)(ADC_BASE + ADC_CDR2_OFF))) ///< Channel data register 2. +#define ADC_CDR3 (*((reg32_t *)(ADC_BASE + ADC_CDR3_OFF))) ///< Channel data register 3. +#define ADC_CDR4 (*((reg32_t *)(ADC_BASE + ADC_CDR4_OFF))) ///< Channel data register 4. +#define ADC_CDR5 (*((reg32_t *)(ADC_BASE + ADC_CDR5_OFF))) ///< Channel data register 5. +#define ADC_CDR6 (*((reg32_t *)(ADC_BASE + ADC_CDR6_OFF))) ///< Channel data register 6. +#define ADC_CDR7 (*((reg32_t *)(ADC_BASE + ADC_CDR7_OFF))) ///< Channel data register 7. +/* \} */ + +#endif /* AT91_ADC_H */ diff --git a/cpu/arm/io/at91sam7.h b/cpu/arm/io/at91sam7.h index a3f5ab14..62c206d4 100644 --- a/cpu/arm/io/at91sam7.h +++ b/cpu/arm/io/at91sam7.h @@ -137,6 +137,7 @@ #include "at91_us.h" #include "at91_dbgu.h" #include "at91_tc.h" +#include "at91_adc.h" #include "at91_pwm.h" #include "at91_spi.h" #include "at91_twi.h" @@ -256,8 +257,16 @@ #define TIOA2 27 // PB27 #define TIOB2 28 // PB28 +#elif CPU_ARM_AT91SAM7S256 + #define TIOA0 0 // PA0 + #define TIOB0 1 // PA1 + #define TIOA1 15 // PA15 + #define TIOB1 16 // PA16 + #define TIOA2 26 // PA26 + #define TIOB2 27 // PA27 + #else - #error No Timer Conter pin names definition for selected ARM CPU + #error No Timer Conter pins name definition for selected ARM CPU #endif /*\}*/ @@ -266,16 +275,29 @@ * PWM pins definition. *\{ */ +#define PWM_PIO_FUNCTION_A 1 + #if CPU_ARM_AT91SAM7X256 || CPU_ARM_AT91SAM7X128 - #define TIOA0 23 // PB23 - #define TIOB0 24 // PB24 - #define TIOA1 25 // PB25 - #define TIOB1 26 // PB26 - #define TIOA2 27 // PB27 - #define TIOB2 28 // PB28 + #if PWM_PIO_FUNCTION_A + #define PWM0 19 // PB19 + #define PWM1 20 // PB20 + #define PWM2 21 // PB21 + #define PWM3 22 // PB22 + #else + #define PWM0 27 // PB27 + #define PWM1 28 // PB28 + #define PWM2 29 // PB29 + #define PWM3 30 // PB30 + + +#elif CPU_ARM_AT91SAM7S256 + #define PWM0 11 // PA11 + #define PWM1 12 // PA12 + #define PWM2 13 // PA13 + #define PWM3 14 // PA14 #else - #error No Timer Conter pin names definition for selected ARM CPU + #error No PWM pins name definition for selected ARM CPU #endif /*\}*/ @@ -291,4 +313,28 @@ #error No TWI pin names definition for selected ARM CPU #endif +/** + * ADC pins definition. + *\{ + */ +#if CPU_ARM_AT91SAM7X256 + #define ADTRG 18 // PB18 + #define AD0 23 // PB27 + #define AD1 24 // PB28 + #define AD2 25 // PB29 + #define AD3 26 // PB30 + +#elif CPU_ARM_AT91SAM7S256 + #define ADTRG 18 // PA8 + #define AD0 0 // PA17 + #define AD1 1 // PA18 + #define AD2 15 // PA19 + #define AD3 16 // PA20 + +#else + #error No Timer Conter pin names definition for selected ARM CPU + +#endif +/*\}*/ + #endif /* AT91SAM7_H */ -- 2.25.1