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req_ctx: Add better explanation about the various states

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This commit is contained in:
Harald Welte
2016-02-29 14:07:07 +01:00
parent 22bf67fc9c
commit b66ce249d0
1 changed files with 11 additions and 0 deletions
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11
firmware/src_simtrace/req_ctx.h
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@@ -11,16 +11,27 @@
#define __ramfunc #define __ramfunc
enum req_ctx_state { enum req_ctx_state {
/* free to be allocated */
RCTX_S_FREE, RCTX_S_FREE,
/* USB -> UART */ /* USB -> UART */
/* In USB driver, waiting for data from host */
RCTX_S_USB_RX_BUSY, RCTX_S_USB_RX_BUSY,
/* somewhere in the main loop */
RCTX_S_MAIN_PROCESSING, RCTX_S_MAIN_PROCESSING,
/* pending (in queue) for transmission on UART */
RCTX_S_UART_TX_PENDING, RCTX_S_UART_TX_PENDING,
/* currently in active transmission on UART */
RCTX_S_UART_TX_BUSY, RCTX_S_UART_TX_BUSY,
/* UART -> USB */ /* UART -> USB */
/* currently in active reception on UART */
RCTX_S_UART_RX_BUSY, RCTX_S_UART_RX_BUSY,
/* pending (in queue) for transmission over USB to host */
RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_PENDING,
/* currently in transmission over USB to host */
RCTX_S_USB_TX_BUSY, RCTX_S_USB_TX_BUSY,
/* number of states */ /* number of states */
RCTX_STATE_COUNT RCTX_STATE_COUNT
}; };