RIOT-OS/RIOT
RIOT-OS/RIOT
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moved GPIO implementation from boards to RIOT since ADC implementation depends on it

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This commit is contained in:
Thomas Eichinger 2013-08-23 12:39:58 +02:00
parent 659e1c2041
commit 040fb1539c
5 changed files with 241 additions and 7 deletions
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2
cpu/mc1322x/adc/Makefile
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@ -1,4 +1,4 @@
INCLUDES = -I$(RIOTBASE)/cpu/mc1322x/adc/include -I$(RIOTBOARD)/redbee-econotag/drivers/include
INCLUDES = -I$(RIOTBASE)/cpu/mc1322x/adc/include
MODULE =mc1322x_adc

5
cpu/mc1322x/adc/adc.c
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@ -2,15 +2,14 @@
* adc.c - implementation of the Analog to Digital Converter module of the mc1322x MCU
* Copyright (C) 2013 Thomas Eichinger <thomas.eichinger@fu-berlin.de>
*
* This source code is licensed under the GNU General Public License,
* Version 3. See the file LICENSE for more details.
* This source code is licensed under the GNU Lesser General Public License,
* Version 2. See the file LICENSE for more details.
*
* This file is part of RIOT.
*/
#include "adc.h"
#include "gpio.h"
/* FIXME: move gpio implementation to cpu/mc1322x */
#define ADC_CLOCK_DIVIDER_300kHz 0x50

6
cpu/mc1322x/adc/include/adc.h
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@ -3,8 +3,8 @@
* Analog to Digital Converter module of the mc1322x MCU
* Copyright (C) 2013 Thomas Eichinger <thomas.eichinger@fu-berlin.de>
*
* This source code is licensed under the GNU General Public License,
* Version 3. See the file LICENSE for more details.
* This source code is licensed under the GNU Lesser General Public License,
* Version 2. See the file LICENSE for more details.
*
* This file is part of RIOT.
*/
@ -129,4 +129,4 @@ uint16_t adc_read(void);
void adc_flush(void);
void adc_service(uint16_t *channels_read);
#endif /* ADC_H */
#endif /* ADC_H */

75
cpu/mc1322x/gpio.c Normal file
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@ -0,0 +1,75 @@
/*
* gpio.c - GPIO driver for redbee
* Copyright (C) 2013 Thomas Eichinger <thomas.eichinger@fu-berlin.de>
*
* This source code is licensed under the GNU General Public License,
* Version 3. See the file LICENSE for more details.
*
* This file is part of RIOT.
*/
#include "gpio.h"
inline void gpio_pad_dir(volatile uint64_t data)
{
GPIO->PAD_DIR0 = (data & 0xffffffff);
GPIO->PAD_DIR1 = (data >> 32);
}
inline void gpio_data(volatile uint64_t data)
{
GPIO->DATA0 = (data & 0xffffffff);
GPIO->DATA1 = (data >> 32);
}
inline uint64_t gpio_data_get(volatile uint64_t bits) {
uint64_t rdata = 0;
rdata = GPIO->DATA0 & (bits & 0xffffffff);
rdata |= (GPIO->DATA1 & (bits >> 32)) << 32;
return rdata;
}
inline void gpio_pad_pu_en(volatile uint64_t data)
{
GPIO->PAD_PU_EN0 = (data & 0xffffffff);
GPIO->PAD_PU_EN1 = (data >> 32);
}
inline void gpio_data_sel(volatile uint64_t data)
{
GPIO->DATA_SEL0 = (data & 0xffffffff);
GPIO->DATA_SEL1 = (data >> 32);
}
inline void gpio_pad_pu_sel(volatile uint64_t data)
{
GPIO->PAD_PU_SEL0 = (data & 0xffffffff);
GPIO->PAD_PU_SEL1 = (data >> 32);
}
inline void gpio_data_set(volatile uint64_t data)
{
GPIO->DATA_SET0 = (data & 0xffffffff);
GPIO->DATA_SET1 = (data >> 32);
}
inline void gpio_data_reset(volatile uint64_t data)
{
GPIO->DATA_RESET0 = (data & 0xffffffff);
GPIO->DATA_RESET1 = (data >> 32);
}
inline void gpio_pad_dir_set(volatile uint64_t data)
{
GPIO->PAD_DIR_SET0 = (data & 0xffffffff);
GPIO->PAD_DIR_SET1 = (data >> 32);
}
inline void gpio_pad_dir_reset(volatile uint64_t data)
{
GPIO->PAD_DIR_RESET0 = (data & 0xffffffff);
GPIO->PAD_DIR_RESET1 = (data >> 32);
}

160
cpu/mc1322x/include/gpio.h Normal file
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@ -0,0 +1,160 @@
/*
* gpio.h - GPIO driver for redbee
* Copyright (C) 2013 Thomas Eichinger <thomas.eichinger@fu-berlin.de>
*
* This source code is licensed under the GNU General Public License,
* Version 3. See the file LICENSE for more details.
*
* This file is part of RIOT.
*/
#ifndef GPIO_H
#define GPIO_H
// TODO: why do we need to include this for macro expansion?
#include "stdint.h"
/* Structure-based GPIO access
Example usage:
GPIO->FUNC_SEL0 |= 0x00008000; // set a whole register
GPIO->FUNC_SEL_08 = 2; // set just one pin
#define MY_PIN GPIO_08
GPIO->FUNC_SEL.MY_PIN = 2; // same, to allow #define for pin names
GPIO->DATA.MY_PIN = 1;
gpio_set(GPIO_08); // efficiently set or clear a single output bit
gpio_reset(GPIO_08);
*/
// GPIO to Function Alias macros:
#define ADC0 GPIO_30
#define ADC1 GPIO_31
#define ADC2 GPIO_32
#define ADC3 GPIO_33
#define ADC4 GPIO_34
#define ADC5 GPIO_35
#define ADC6 GPIO_36
#define ADC7 GPIO_37
#define TDO GPIO_49
#define TDI GPIO_48
#define TCK GPIO_47
#define TMS GPIO_46
#define U2RTS GPIO_21
#define U2CTS GPIO_20
#define U2RX GPIO_19
#define U2TX GPIO_18
#define U1RTS GPIO_17
#define U1CTS GPIO_16
#define U1RX GPIO_15
#define U1TX GPIO_14
#define SDA GPIO_13
#define SCL GPIO_12
#define TMR3 GPIO_11
#define TMR2 GPIO_10
#define TMR1 GPIO_09
#define TMR0 GPIO_08
#define SCK GPIO_07
#define MOSI GPIO_06
#define MISO GPIO_05
#define SS GPIO_04
#define BTCK GPIO_03
#define FSYN GPIO_02
#define SSIRX GPIO_01
#define SSITX GPIO_00
#define KBI7 GPIO_29
#define KBI6 GPIO_28
#define KBI5 GPIO_27
#define KBI4 GPIO_26
#define KBI3 GPIO_25
#define KBI2 GPIO_24
#define KBI1 GPIO_23
#define KBI0 GPIO_22
#define TXON GPIO_44
#define RXON GPIO_45
#define ANT1 GPIO_42
#define ANT2 GPIO_43
#define VREF2H GPIO_38
#define VREF2L GPIO_39
#define VREF1H GPIO_40
#define VREF1L GPIO_41
#define MDO0 GPIO_51
#define MDO1 GPIO_52
#define MDO2 GPIO_53
#define MDO3 GPIO_54
#define MDO4 GPIO_55
#define MDO5 GPIO_56
#define MDO6 GPIO_57
#define MDO7 GPIO_58
#define MSEO0 GPIO_59
#define MSEO1 GPIO_60
#define RDY GPIO_61
#define EVTO GPIO_62
#define MCKO GPIO_50
#define EVTI GPIO_63
#define _V(x,n,i) uint32_t x##_##i : n;
#define _REP(x,n) \
_V(x,n,00) _V(x,n,01) _V(x,n,02) _V(x,n,03) _V(x,n,04) _V(x,n,05) _V(x,n,06) _V(x,n,07) \
_V(x,n,08) _V(x,n,09) _V(x,n,10) _V(x,n,11) _V(x,n,12) _V(x,n,13) _V(x,n,14) _V(x,n,15) \
_V(x,n,16) _V(x,n,17) _V(x,n,18) _V(x,n,19) _V(x,n,20) _V(x,n,21) _V(x,n,22) _V(x,n,23) \
_V(x,n,24) _V(x,n,25) _V(x,n,26) _V(x,n,27) _V(x,n,28) _V(x,n,29) _V(x,n,30) _V(x,n,31) \
_V(x,n,32) _V(x,n,33) _V(x,n,34) _V(x,n,35) _V(x,n,36) _V(x,n,37) _V(x,n,38) _V(x,n,39) \
_V(x,n,40) _V(x,n,41) _V(x,n,42) _V(x,n,43) _V(x,n,44) _V(x,n,45) _V(x,n,46) _V(x,n,47) \
_V(x,n,48) _V(x,n,49) _V(x,n,50) _V(x,n,51) _V(x,n,52) _V(x,n,53) _V(x,n,54) _V(x,n,55) \
_V(x,n,56) _V(x,n,57) _V(x,n,58) _V(x,n,59) _V(x,n,60) _V(x,n,61) _V(x,n,62) _V(x,n,63)
struct GPIO_struct {
#define _IO(x) \
union { struct { uint32_t x##0; uint32_t x##1; }; \
struct { _REP(x, 1) }; \
struct GPIO_##x { _REP(GPIO, 1) } x; };
#define _IO_2bit(x) \
union { struct { uint32_t x##0; uint32_t x##1; uint32_t x##2; uint32_t x##3; }; \
struct { _REP(x, 2) }; \
struct GPIO_##x { _REP(GPIO, 2) } x; };
_IO(PAD_DIR);
_IO(DATA);
_IO(PAD_PU_EN);
_IO_2bit(FUNC_SEL);
_IO(DATA_SEL);
_IO(PAD_PU_SEL);
_IO(PAD_HYST_EN);
_IO(PAD_KEEP);
_IO(DATA_SET);
_IO(DATA_RESET);
_IO(PAD_DIR_SET);
_IO(PAD_DIR_RESET);
};
#undef _IO
#undef _IO_2bit
/* Build an enum lookup to map GPIO_08 -> 8 */
#undef _V
#define _V(x,n,i) __NUM_GPIO_GPIO_##i,
enum { _REP(0,0) };
/* Macros to set or reset a data pin in the fastest possible way */
#define gpio_set(gpio_xx) __gpio_set(gpio_xx)
#define __gpio_set(gpio_xx) \
((__NUM_GPIO_##gpio_xx < 32) \
? (GPIO->DATA_SET0 = (1 << (__NUM_GPIO_##gpio_xx - 0))) \
: (GPIO->DATA_SET1 = (1 << (__NUM_GPIO_##gpio_xx - 32))))
#define gpio_reset(gpio_xx) __gpio_reset(gpio_xx)
#define __gpio_reset(gpio_xx) \
((__NUM_GPIO_##gpio_xx < 32) \
? (GPIO->DATA_RESET0 = (1 << (__NUM_GPIO_##gpio_xx - 0))) \
: (GPIO->DATA_RESET1 = (1 << (__NUM_GPIO_##gpio_xx - 32))))
#undef _REP
#undef _V
static volatile struct GPIO_struct * const GPIO = (void *) (0x80000000);
#endif