diff options
Diffstat (limited to '')
| -rw-r--r-- | arch/mcu.h | 147 |
1 files changed, 11 insertions, 136 deletions
@@ -5,145 +5,20 @@ // This helps abstract away the differences between various attiny MCUs. -// auto-detect eeprom size from avr-libc headers -#ifndef EEPROM_SIZE - #ifdef E2SIZE - #define EEPROM_SIZE E2SIZE - #elif defined(E2END) - #define EEPROM_SIZE (E2END+1) - #endif -#endif - -/******************** hardware-specific values **************************/ -#if (ATTINY == 13) - #define F_CPU 4800000UL - #define V_REF REFS0 - #define BOGOMIPS 950 - #define ADMUX_VCC 0b00001100 - #define DELAY_ZERO_TIME 252 - #define SWITCH_PORT PINB // PINA or PINB or PINC - #define VOLTAGE_ADC_DIDR DIDR0 // this MCU only has one DIDR -#elif (ATTINY == 25) - // TODO: Use 6.4 MHz instead of 8 MHz? - #define F_CPU 8000000UL - #define V_REF REFS1 - #define BOGOMIPS (F_CPU/4000) - #define ADMUX_VCC 0b00001100 - #define ADMUX_THERM 0b10001111 - #define DELAY_ZERO_TIME 1020 - #define SWITCH_PORT PINB // PINA or PINB or PINC - #define VOLTAGE_ADC_DIDR DIDR0 // this MCU only has one DIDR -#elif (ATTINY == 85) - // TODO: Use 6.4 MHz instead of 8 MHz? - #define F_CPU 8000000UL - #define V_REF REFS1 - #define BOGOMIPS (F_CPU/4000) - // (1 << V_REF) | (0 << ADLAR) | (VCC_CHANNEL) - #define ADMUX_VCC 0b00001100 - // (1 << V_REF) | (0 << ADLAR) | (THERM_CHANNEL) - #define ADMUX_THERM 0b10001111 - #define DELAY_ZERO_TIME 1020 - #define SWITCH_PORT PINB // PINA or PINB or PINC - #define VOLTAGE_ADC_DIDR DIDR0 // this MCU only has one DIDR -#elif (ATTINY == 1634) - #define F_CPU 8000000UL - #define V_REF REFS1 - #define BOGOMIPS (F_CPU/4000) - // DS table 19-3, 19-4, 1.1V ref / VCC - #define ADMUX_VCC 0b00001101 - // (1 << V_REF) | (THERM_CHANNEL) - // DS table 19-3, 19-4, internal sensor / 1.1V ref - #define ADMUX_THERM 0b10001110 - #define DELAY_ZERO_TIME 1020 - //#define SWITCH_PORT PINA // set this in hwdef - //#define VOLTAGE_ADC_DIDR DIDR0 // set this in hwdef -#elif (ATTINY == 412) || (ATTINY == 416) || (ATTINY == 417) || (ATTINY == 816) || (ATTINY == 817) || (ATTINY == 1616) || (ATTINY == 1617) || (ATTINY == 3216) || (ATTINY == 3217) - #define AVRXMEGA3 - #define F_CPU 10000000UL - #define BOGOMIPS (F_CPU/4700) - #define DELAY_ZERO_TIME 1020 -#else - #error Hey, you need to define ATTINY. -#endif - - +#include <avr/eeprom.h> #include <avr/interrupt.h> +#include <avr/io.h> +#include <avr/power.h> +#include <avr/sleep.h> +#include <avr/wdt.h> -/******************** I/O pin and register layout ************************/ -#ifdef HWDEFFILE -#include "fsm/tk.h" -#include incfile(HWDEFFILE) -#endif - -#if 0 // placeholder - -#elif defined(NANJG_LAYOUT) -#include "hwdef-nanjg.h" -#elif defined(FET_7135_LAYOUT) -#include "hwdef-FET_7135.h" +// for consistency, ROM_SIZE + EEPROM_SIZE +#define ROM_SIZE PROGMEM_SIZE -#elif defined(TRIPLEDOWN_LAYOUT) -#include "hwdef-Tripledown.h" - -#elif defined(FERRERO_ROCHER_LAYOUT) -#include "hwdef-Ferrero_Rocher.h" - -#endif // no more recognized driver types - -#ifndef LAYOUT_DEFINED -#error Hey, you need to define an I/O pin layout. -#endif - -#if (ATTINY==13) - // no changes needed -#elif (ATTINY==25) || (ATTINY==45) || (ATTINY==85) - // use clock_prescale_set(n) instead; it's safer - //#define CLOCK_DIVIDER_SET(n) {CLKPR = 1<<CLKPCE; CLKPR = n;} -#elif (ATTINY==1634) - // make it a NOP for now - // FIXME - //#define clock_prescale_set(x) ((void)0) - //#define clock_prescale_set(n) {cli(); CCP = 0xD8; CLKPR = n; sei();} - //#define clock_prescale_set(n) {cli(); CCP = 0xD8; CLKPR = n; sei();} - inline void clock_prescale_set(uint8_t n) {cli(); CCP = 0xD8; CLKPR = n; sei();} - typedef enum - { - clock_div_1 = 0, - clock_div_2 = 1, - clock_div_4 = 2, - clock_div_8 = 3, - clock_div_16 = 4, - clock_div_32 = 5, - clock_div_64 = 6, - clock_div_128 = 7, - clock_div_256 = 8 - } clock_div_t; +#include "fsm/tk.h" -#elif defined(AVRXMEGA3) // ATTINY816, 817, etc - // this should work, but needs further validation - inline void clock_prescale_set(uint8_t n) { - cli(); - CCP = CCP_IOREG_gc; // temporarily disable clock change protection - CLKCTRL.MCLKCTRLB = n; // Set the prescaler - while (CLKCTRL.MCLKSTATUS & CLKCTRL_SOSC_bm) {} // wait for clock change to finish - sei(); - } - typedef enum - { - // Actual clock is 20 MHz, but assume that 10 MHz is the top speed and work from there - // TODO: measure PWM speed and power use at 1.25/2.5/5/10 MHz, to determine which speeds are optimal - clock_div_1 = (CLKCTRL_PDIV_2X_gc | CLKCTRL_PEN_bm), // 10 MHz - clock_div_2 = (CLKCTRL_PDIV_4X_gc | CLKCTRL_PEN_bm), // 5 MHz - clock_div_4 = (CLKCTRL_PDIV_8X_gc | CLKCTRL_PEN_bm), // 2.5 MHz - clock_div_8 = (CLKCTRL_PDIV_16X_gc | CLKCTRL_PEN_bm), // 1.25 MHz - clock_div_16 = (CLKCTRL_PDIV_32X_gc | CLKCTRL_PEN_bm), // 625 kHz - clock_div_32 = (CLKCTRL_PDIV_64X_gc | CLKCTRL_PEN_bm), // 312 kHz, max without changing to the 32 kHz ULP - clock_div_64 = (CLKCTRL_PDIV_64X_gc | CLKCTRL_PEN_bm), // 312 kHz - clock_div_128 = (CLKCTRL_PDIV_64X_gc | CLKCTRL_PEN_bm), // 312 kHz - clock_div_256 = (CLKCTRL_PDIV_64X_gc | CLKCTRL_PEN_bm) // 312 kHz - } clock_div_t; -#else -#error Unable to define MCU macros. -#endif +#define MCU_H arch/MCUNAME.h +#define MCU_C arch/MCUNAME.c +#include incfile(MCU_H) |