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Add API address to read out number of bytes in Rx FIFO

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Signed-off-by: Joachim Strömbergson <joachim@assured.se>
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Joachim Strömbergson 2023-01-03 09:56:33 +01:00
parent 4db4e39205
commit 3eb5b7879c
4 changed files with 16 additions and 3 deletions
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doc/system_description/software.md
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@ -510,6 +510,7 @@ Assigned core prefixes:
| `UART_STOPBITS` | r/w | | | | | TBD |
| `UART_RX_STATUS` | r | r | 1B | u8 | | Non-zero when there is data to read |
| `UART_RX_DATA` | r | r | 1B | u8 | | Data to read. Only LSB contains data |
| `UART_RX_BYTES` | r | r | 4B | u32 | | Number of bytes received from the host and not yet read by SW, FW. |
| `UART_TX_STATUS` | r | r | 1B | u8 | | Non-zero when it's OK to write data |
| `UART_TX_DATA` | w | w | 1B | u8 | | Data to send. Only LSB contains data |
| `TOUCH_STATUS` | r/w | r/w | | | | TOUCH_STATUS_EVENT_BIT is 1 when touched. After detecting a touch |