diff options
Diffstat (limited to 'common/spi_commands.c')
-rw-r--r-- | common/spi_commands.c | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/common/spi_commands.c b/common/spi_commands.c deleted file mode 100644 index 1a70a5be82..0000000000 --- a/common/spi_commands.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Copyright 2015 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * SPI transfer command for debugging SPI devices. - */ - -#include "common.h" -#include "console.h" -#include "spi.h" -#include "timer.h" -#include "util.h" - -static int command_spixfer(int argc, char **argv) -{ - int dev_id; - uint8_t offset; - int v = 0; - uint8_t data[32]; - char *e; - int rv = 0; - - if (argc != 5) - return EC_ERROR_PARAM_COUNT; - - dev_id = strtoi(argv[2], &e, 0); - if (*e) - return EC_ERROR_PARAM2; - - offset = strtoi(argv[3], &e, 0); - if (*e) - return EC_ERROR_PARAM3; - - v = strtoi(argv[4], &e, 0); - if (*e) - return EC_ERROR_PARAM4; - - if (strcasecmp(argv[1], "rlen") == 0) { - uint8_t cmd = 0x80 | offset; - - /* Arbitrary length read; param4 = len */ - if (v < 0 || v > sizeof(data)) - return EC_ERROR_PARAM4; - - rv = spi_transaction(&spi_devices[dev_id], &cmd, 1, data, v); - - if (!rv) - ccprintf("Data: %ph\n", HEX_BUF(data, v)); - - } else if (strcasecmp(argv[1], "w") == 0) { - /* 8-bit write */ - uint8_t cmd[2] = { offset, v }; - - rv = spi_transaction(&spi_devices[dev_id], cmd, 2, NULL, 0); - - /* - * Some SPI device needs a delay before accepting other - * commands, otherwise the write might be ignored. - */ - msleep(1); - } else { - return EC_ERROR_PARAM1; - } - - return rv; -} -DECLARE_CONSOLE_COMMAND(spixfer, command_spixfer, - "rlen/w id offset [value | len]", - "Read write spi. id is spi_devices array index"); - |