X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fcc1111%2Fao_arch_funcs.h;h=d849655bb13c9dd910f05e9a12026c4c58f68624;hp=9ad14fbbad0144e4b960c32be95a82244c293a67;hb=6aa451ce81bfdfe679e3f9902043a5f0d235c745;hpb=cf1e4d60e1fcd75fa734365a2666ea8930938128 diff --git a/src/cc1111/ao_arch_funcs.h b/src/cc1111/ao_arch_funcs.h index 9ad14fbb..d849655b 100644 --- a/src/cc1111/ao_arch_funcs.h +++ b/src/cc1111/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 @@ -19,40 +20,133 @@ * ao_spi.c */ -extern __xdata uint8_t ao_spi_mutex; +#if !HAS_SPI_0 && !HAS_SPI_1 +#define HAS_SPI_0 1 +#define SPI_0_ALT_2 1 +#endif -#define ao_spi_get_mask(reg,mask) do {\ - ao_mutex_get(&ao_spi_mutex); \ - (reg) &= ~(mask); \ +#if HAS_SPI_0 && HAS_SPI_1 +#define MULTI_SPI 1 +#define N_SPI 2 +#else +#define MULTI_SPI 0 +#define N_SPI 1 +#endif + +extern __xdata uint8_t ao_spi_mutex[N_SPI]; + +#if MULTI_SPI +#define ao_spi_get(bus) ao_mutex_get(&ao_spi_mutex[bus]) +#define ao_spi_put(bus) ao_mutex_put(&ao_spi_mutex[bus]) +#else +#define ao_spi_get(bus) ao_mutex_get(&ao_spi_mutex[0]) +#define ao_spi_put(bus) ao_mutex_put(&ao_spi_mutex[0]) +#endif + +#define AO_SPI_SPEED_FAST 17 +#define AO_SPI_SPEED_200kHz 13 + +#if MULTI_SPI +#define ao_spi_set_speed(bus,speed) (*(bus ? &U1GCR : &U0GCR) =(UxGCR_CPOL_NEGATIVE | \ + UxGCR_CPHA_FIRST_EDGE | \ + UxGCR_ORDER_MSB | \ + ((speed) << UxGCR_BAUD_E_SHIFT))) +#else +#define ao_spi_set_speed(bus,speed) (U0GCR = (UxGCR_CPOL_NEGATIVE | \ + UxGCR_CPHA_FIRST_EDGE | \ + UxGCR_ORDER_MSB | \ + ((speed) << UxGCR_BAUD_E_SHIFT))) +#endif + +#define ao_spi_get_slave(bus) do { \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,AO_SPI_SPEED_FAST); \ + } while (0) + +#define ao_spi_put_slave(bus) do { \ + ao_spi_put(bus); \ } while (0) -#define ao_spi_put_mask(reg,mask) do { \ +#define ao_spi_get_mask(reg,mask,bus,speed) do { \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,speed); \ + (reg) &= ~(mask); \ + } while (0) + +#define ao_spi_put_mask(reg,mask,bus) do { \ (reg) |= (mask); \ - ao_mutex_put(&ao_spi_mutex); \ + ao_spi_put(bus); \ } while (0) -#define ao_spi_get_bit(bit) do {\ - ao_mutex_get(&ao_spi_mutex); \ - (bit) = 0; \ + +#define ao_spi_get_bit(reg,bit,pin,bus,speed) do { \ + ao_spi_get(bus); \ + ao_spi_set_speed(bus,speed); \ + pin = 0; \ } while (0) -#define ao_spi_put_bit(bit) do { \ - (bit) = 1; \ - ao_mutex_put(&ao_spi_mutex); \ +#define ao_spi_put_bit(reg,bit,pin,bus) do { \ + pin = 1; \ + ao_spi_put(bus); \ } 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 */ +#if MULTI_SPI void -ao_spi_send(void __xdata *block, uint16_t len) __reentrant; +ao_spi_send(void __xdata *block, uint16_t len, uint8_t bus) __reentrant; void -ao_spi_recv(void __xdata *block, uint16_t len) __reentrant; +ao_spi_recv(void __xdata *block, uint16_t len, uint8_t bus) __reentrant; +#else +void +ao_spi_send_bus(void __xdata *block, uint16_t len) __reentrant; + +void +ao_spi_recv_bus(void __xdata *block, uint16_t len) __reentrant; + +#define ao_spi_send(block, len, bus) ao_spi_send_bus(block, len) +#define ao_spi_recv(block, len, bus) ao_spi_recv_bus(block, len) +#endif + +#if AO_SPI_SLAVE +void +ao_spi_send_wait(void); + +void +ao_spi_recv_wait(void); +#endif void ao_spi_init(void); +#define token_paster(x,y) x ## y +#define token_paster3(x,y,z) x ## y ## z +#define token_evaluator(x,y) token_paster(x,y) +#define token_evaluator3(x,y,z) token_paster3(x,y,z) + +#define ao_spi_init_cs(port, mask) do { \ + port |= mask; \ + token_evaluator(port,DIR) |= mask; \ + token_evaluator(port,SEL) &= ~mask; \ + } while (0) + +#define cc1111_enable_output(port,dir,sel,pin,bit,v) do { \ + pin = v; \ + dir |= (1 << bit); \ + sel &= ~(1 << bit); \ + } while (0) + +#define disable_unreachable _Pragma("disable_warning 126") + +#define ao_enable_output(port,bit,pin,v) cc1111_enable_output(port,token_evaluator(port,DIR), token_evaluator(port,SEL), pin, bit, v) +#define ao_gpio_set(port, bit, pin, v) ((pin) = (v)) +#define ao_gpio_get(port, bit, pin) (pin) +#define ao_gpio_get_bits(port) (port) +#define ao_gpio_set_bits(port, bits) ((port) |= bits) +#define ao_gpio_clr_bits(port, bits) ((port) &= ~bits)