2 * Copyright © 2013 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
24 * LPC11U14 definitions and code fragments for AltOS
27 #define AO_STACK_SIZE 320
29 #define AO_LED_TYPE uint16_t
31 #define AO_PORT_TYPE uint32_t
34 #define AO_TICK_TYPE uint16_t
35 #define AO_TICK_SIGNED int16_t
38 /* Various definitions to make GCC look more like SDCC */
40 #define ao_arch_naked_declare __attribute__((naked))
41 #define ao_arch_naked_define
47 #define __interrupt(n)
50 #define ao_arch_reboot() arm_scb.aircr = ((0x05fa << 16) | \
55 #define ao_arch_nop() asm("nop")
57 #define ao_arch_interrupt(n) /* nothing */
61 #define putchar(c) ao_putchar(c)
62 #define getchar ao_getchar
64 extern void putchar(char c);
65 extern char getchar(void);
71 #define AO_ROMCONFIG_VERSION 2
73 #define AO_ROMCONFIG_SYMBOL(a) __attribute__((section(".romconfig"))) const
75 extern const uint16_t ao_romconfig_version;
76 extern const uint16_t ao_romconfig_check;
77 extern const uint16_t ao_serial_number;
78 extern const uint32_t ao_radio_cal;
80 #define ao_arch_task_members\
81 uint32_t *sp; /* saved stack pointer */
83 #define ao_arch_block_interrupts() asm("cpsid i")
84 #define ao_arch_release_interrupts() asm("cpsie i")
87 * For now, we're running at a weird frequency
91 #define AO_PLLSRC AO_HSE
93 #define AO_PLLSRC STM_HSI_FREQ
96 #define AO_PLLVCO (AO_PLLSRC * AO_PLLMUL)
97 #define AO_SYSCLK (AO_PLLVCO / AO_PLLDIV)
98 #define AO_HCLK (AO_SYSCLK / AO_AHB_PRESCALER)
99 #define AO_PCLK1 (AO_HCLK / AO_APB1_PRESCALER)
100 #define AO_PCLK2 (AO_HCLK / AO_APB2_PRESCALER)
102 #if AO_APB1_PRESCALER == 1
103 #define AO_TIM23467_CLK AO_PCLK1
105 #define AO_TIM23467_CLK (2 * AO_PCLK1)
108 #if AO_APB2_PRESCALER == 1
109 #define AO_TIM91011_CLK AO_PCLK2
111 #define AO_TIM91011_CLK (2 * AO_PCLK2)
114 #define AO_LPC_NVIC_HIGH_PRIORITY 0
115 #define AO_LPC_NVIC_CLOCK_PRIORITY 1
116 #define AO_LPC_NVIC_MED_PRIORITY 2
117 #define AO_LPC_NVIC_LOW_PRIORITY 3
122 #define AO_USB_OUT_EP 2
123 #define AO_USB_IN_EP 3
126 ao_serial_init(void);
128 /* SPI definitions */
130 #define AO_SPI_SPEED_12MHz 4
131 #define AO_SPI_SPEED_6MHz 8
132 #define AO_SPI_SPEED_4MHz 12
133 #define AO_SPI_SPEED_2MHz 24
134 #define AO_SPI_SPEED_1MHz 48
135 #define AO_SPI_SPEED_500kHz 96
136 #define AO_SPI_SPEED_250kHz 192
138 #define AO_SPI_SPEED_FAST AO_SPI_SPEED_12MHz
140 #define AO_BOOT_APPLICATION_BASE ((uint32_t *) 0x00001000)
141 #define AO_BOOT_LOADER_BASE ((uint32_t *) 0x00000000)
142 #define HAS_BOOT_LOADER 1
144 #endif /* _AO_ARCH_H_ */