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Diffstat (limited to 'src/lpc/ao_arch.h')
| -rw-r--r-- | src/lpc/ao_arch.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/lpc/ao_arch.h b/src/lpc/ao_arch.h new file mode 100644 index 00000000..d04bf2c8 --- /dev/null +++ b/src/lpc/ao_arch.h @@ -0,0 +1,146 @@ +/* + * Copyright © 2013 Keith Packard <keithp@keithp.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +#ifndef _AO_ARCH_H_ +#define _AO_ARCH_H_ + +#include <lpc.h> + +/* + * LPC11U14 definitions and code fragments for AltOS + */ + +#ifndef AO_STACK_SIZE +#define AO_STACK_SIZE 512 +#endif + +#define AO_LED_TYPE uint16_t + +#define AO_PORT_TYPE uint32_t + +#ifndef AO_TICK_TYPE +#define AO_TICK_TYPE uint16_t +#define AO_TICK_SIGNED int16_t +#endif + +/* Various definitions to make GCC look more like SDCC */ + +#define ao_arch_naked_declare __attribute__((naked)) +#define ao_arch_naked_define +#define __pdata +#define __data +#define __xdata +#define __code const +#define __reentrant +#define __interrupt(n) +#define __at(n) + +#define ao_arch_reboot() arm_scb.aircr = ((0x05fa << 16) | \ + (0 << 15) | \ + (1 << 2) | \ + (0 << 1)) + +#define ao_arch_nop() asm("nop") + +#define ao_arch_interrupt(n) /* nothing */ + +#undef putchar +#undef getchar +#define putchar(c) ao_putchar(c) +#define getchar ao_getchar + +extern void putchar(char c); +extern char getchar(void); + +/* + * ao_romconfig.c + */ + +#define AO_ROMCONFIG_VERSION 2 + +#define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const + +extern const uint16_t ao_romconfig_version; +extern const uint16_t ao_romconfig_check; +extern const uint16_t ao_serial_number; +extern const uint32_t ao_radio_cal; + +#define ao_arch_task_members\ + uint32_t *sp; /* saved stack pointer */ + +#define ao_arch_block_interrupts() asm("cpsid i") +#define ao_arch_release_interrupts() asm("cpsie i") + +/* + * For now, we're running at a weird frequency + */ + +#if AO_HSE +#define AO_PLLSRC AO_HSE +#else +#define AO_PLLSRC STM_HSI_FREQ +#endif + +#define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL) +#define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV) +#define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER) +#define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER) +#define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER) + +#if AO_APB1_PRESCALER == 1 +#define AO_TIM23467_CLK AO_PCLK1 +#else +#define AO_TIM23467_CLK (2 * AO_PCLK1) +#endif + +#if AO_APB2_PRESCALER == 1 +#define AO_TIM91011_CLK AO_PCLK2 +#else +#define AO_TIM91011_CLK (2 * AO_PCLK2) +#endif + +#define AO_LPC_NVIC_HIGH_PRIORITY 0 +#define AO_LPC_NVIC_CLOCK_PRIORITY 1 +#define AO_LPC_NVIC_MED_PRIORITY 2 +#define AO_LPC_NVIC_LOW_PRIORITY 3 + +void +ao_adc_init(void); + +#define AO_USB_OUT_EP 2 +#define AO_USB_IN_EP 3 + +void +ao_serial_init(void); + +/* SPI definitions */ + +#define AO_SPI_SPEED_12MHz 4 +#define AO_SPI_SPEED_6MHz 8 +#define AO_SPI_SPEED_4MHz 12 +#define AO_SPI_SPEED_2MHz 24 +#define AO_SPI_SPEED_1MHz 48 +#define AO_SPI_SPEED_500kHz 96 +#define AO_SPI_SPEED_250kHz 192 + +#define AO_SPI_SPEED_FAST AO_SPI_SPEED_12MHz + +#define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x00001000) +#define AO_BOOT_LOADER_BASE ((uint32_t *) 0x00000000) +#define HAS_BOOT_LOADER 1 + +#endif /* _AO_ARCH_H_ */ |