X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Favr%2Fao_arch_funcs.h;h=891ad9b18c374e9b615ac549bdf32a8aaf668e7e;hp=e400c98b62468a25ce961592e2171de5fe586476;hb=98ea690cc7514f43254f3a6c72668c11820f657c;hpb=08a4ed8fe794a2b2b52147bd5535fe0954822e95 diff --git a/src/avr/ao_arch_funcs.h b/src/avr/ao_arch_funcs.h index e400c98b..891ad9b1 100644 --- a/src/avr/ao_arch_funcs.h +++ b/src/avr/ao_arch_funcs.h @@ -3,7 +3,8 @@ * * 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. + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of @@ -41,12 +42,29 @@ extern __xdata uint8_t ao_spi_mutex; ao_mutex_put(&ao_spi_mutex); \ } while (0) + +#define ao_gpio_token_paster(x,y) x ## y +#define ao_gpio_token_evaluator(x,y) ao_gpio_token_paster(x,y) + +#define ao_gpio_set(port, bit, pin, v) do { \ + if (v) \ + (ao_gpio_token_evaluator(PORT,port)) |= (1 << bit); \ + else \ + (ao_gpio_token_evaluator(PORT,port)) &= ~(1 << bit); \ + } while (0) + /* * The SPI mutex must be held to call either of these * functions -- this mutex covers the entire SPI operation, * from chip select low to chip select high */ +#define ao_enable_output(port, bit, pin, v) do { \ + ao_gpio_set(port, bit, pin, v); \ + ao_gpio_token_evaluator(DDR,port) |= (1 << bit); \ + } while (0) + + void ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant;