C8051F32x firmware infrastructure
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C8051F32x firmware infrastructure Git Source Tree
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| 1 | /* |
| 2 | * f32x/c2-ben.c - Basic C2 messages, driver for Ben NanoNote |
| 3 | * |
| 4 | * Written 2010 by Werner Almesberger |
| 5 | * Copyright 2010 Werner Almesberger |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | */ |
| 12 | |
| 13 | |
| 14 | #include "gpio-xburst.h" |
| 15 | #include "c2-drv.h" |
| 16 | |
| 17 | |
| 18 | #define POWER_OFF 3, 2 /* PD02, drive low to enable power */ |
| 19 | #define C2CK 3, 8 /* PD08 */ |
| 20 | #define C2D 3, 12 /* PD12 */ |
| 21 | |
| 22 | |
| 23 | #include "c2-bitbang.c" |
| 24 | |
| 25 | |
| 26 | static void ben_init(int power) |
| 27 | { |
| 28 | gpio_init(); |
| 29 | if (power) |
| 30 | gpio_low(POWER_OFF); |
| 31 | else |
| 32 | gpio_high(POWER_OFF); |
| 33 | c2_init(); |
| 34 | |
| 35 | } |
| 36 | |
| 37 | |
| 38 | struct c2_ops c2_ben = { |
| 39 | .init = ben_init, |
| 40 | .reset = c2_reset, |
| 41 | .addr_write = c2_addr_write, |
| 42 | .addr_read = c2_addr_read, |
| 43 | .data_write = c2_data_write, |
| 44 | .data_read = c2_data_read, |
| 45 | }; |
| 46 |
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