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flash_storage comm: use OK/ERROR replies instead of specific FLASH_WRITE_REPLY

This commit is contained in:
Yann Sionneau 2015-05-29 11:10:40 +02:00
parent aa242f7c66
commit 575dfade38
2 changed files with 9 additions and 12 deletions
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12
artiq/coredevice/comm_generic.py
View File

@ -43,9 +43,8 @@ class _D2HMsgType(Enum):
RPC_REQUEST = 10
FLASH_READ_REPLY = 11
FLASH_WRITE_REPLY = 12
FLASH_OK_REPLY = 13
FLASH_ERROR_REPLY = 14
FLASH_OK_REPLY = 12
FLASH_ERROR_REPLY = 13
class UnsupportedDevice(Exception):
@ -148,14 +147,11 @@ class CommGeneric:
self.write(b"\x00")
self.write(value)
_, ty = self._read_header()
if ty != _D2HMsgType.FLASH_WRITE_REPLY:
if ty != _D2HMsgType.FLASH_OK_REPLY:
if ty == _D2HMsgType.FLASH_ERROR_REPLY:
raise IOError("Invalid key: not a null-terminated string")
raise IOError("Flash storage is full")
else:
raise IOError("Incorrect reply from device: {}".format(ty))
ret = self.read(1)
if ret != b"\x01":
raise IOError("Flash storage is full")
def flash_storage_erase(self):
self._write_header(9, _H2DMsgType.FLASH_ERASE_REQUEST)

9
soc/runtime/session.c
View File

@ -112,7 +112,6 @@ enum {
REMOTEMSG_TYPE_RPC_REQUEST,
REMOTEMSG_TYPE_FLASH_READ_REPLY,
REMOTEMSG_TYPE_FLASH_WRITE_REPLY,
REMOTEMSG_TYPE_FLASH_OK_REPLY,
REMOTEMSG_TYPE_FLASH_ERROR_REPLY
};
@ -259,9 +258,11 @@ static int process_input(void)
value = key + key_len;
ret = fs_write(key, value, value_len);
buffer_out[8] = REMOTEMSG_TYPE_FLASH_WRITE_REPLY;
buffer_out[9] = ret;
submit_output(10);
if(ret)
buffer_out[8] = REMOTEMSG_TYPE_FLASH_OK_REPLY;
else
buffer_out[8] = REMOTEMSG_TYPE_FLASH_ERROR_REPLY;
submit_output(9);
break;
}
case REMOTEMSG_TYPE_FLASH_ERASE_REQUEST: {