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author | Alex Ong <the.onga@gmail.com> | 2019-01-04 09:39:14 +0100 |
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committer | Alex Ong <the.onga@gmail.com> | 2019-01-04 09:39:14 +0100 |
commit | 47c91fc7f75ae0a477e55b687aa0fc30da0a283c (patch) | |
tree | 65ad39452748ff2e6d4a83ce54ede6ca22c9ada9 /keyboards/zinc/reva/split_scomm.c | |
parent | ac9b88e8ccbbf38762871504cd827ff0d941c426 (diff) | |
parent | 563ce3f225d981ce460c12ca5130dfe47af41df0 (diff) | |
download | qmk_firmware-47c91fc7f75ae0a477e55b687aa0fc30da0a283c.tar.gz qmk_firmware-47c91fc7f75ae0a477e55b687aa0fc30da0a283c.tar.xz |
Merge branch 'master' of https://github.com/qmk/qmk_firmware
Diffstat (limited to 'keyboards/zinc/reva/split_scomm.c')
-rw-r--r-- | keyboards/zinc/reva/split_scomm.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/keyboards/zinc/reva/split_scomm.c b/keyboards/zinc/reva/split_scomm.c new file mode 100644 index 000000000..50d233ce9 --- /dev/null +++ b/keyboards/zinc/reva/split_scomm.c @@ -0,0 +1,95 @@ +#ifdef USE_SERIAL +#ifdef SERIAL_USE_MULTI_TRANSACTION +/* --- USE flexible API (using multi-type transaction function) --- */ + +#include <stdbool.h> +#include <stdint.h> +#include <stddef.h> +#include <split_scomm.h> +#include "serial.h" +#ifdef SERIAL_DEBUG_MODE +#include <avr/io.h> +#endif +#ifdef CONSOLE_ENABLE + #include <print.h> +#endif + +uint8_t volatile serial_slave_buffer[SERIAL_SLAVE_BUFFER_LENGTH] = {0}; +uint8_t volatile serial_master_buffer[SERIAL_MASTER_BUFFER_LENGTH] = {0}; +uint8_t volatile status_com = 0; +uint8_t volatile status1 = 0; +uint8_t slave_buffer_change_count = 0; +uint8_t s_change_old = 0xff; +uint8_t s_change_new = 0xff; + +SSTD_t transactions[] = { +#define GET_SLAVE_STATUS 0 + /* master buffer not changed, only recive slave_buffer_change_count */ + { (uint8_t *)&status_com, + 0, NULL, + sizeof(slave_buffer_change_count), &slave_buffer_change_count, + }, +#define PUT_MASTER_GET_SLAVE_STATUS 1 + /* master buffer changed need send, and recive slave_buffer_change_count */ + { (uint8_t *)&status_com, + sizeof(serial_master_buffer), (uint8_t *)serial_master_buffer, + sizeof(slave_buffer_change_count), &slave_buffer_change_count, + }, +#define GET_SLAVE_BUFFER 2 + /* recive serial_slave_buffer */ + { (uint8_t *)&status1, + 0, NULL, + sizeof(serial_slave_buffer), (uint8_t *)serial_slave_buffer + } +}; + +void serial_master_init(void) +{ + soft_serial_initiator_init(transactions, TID_LIMIT(transactions)); +} + +void serial_slave_init(void) +{ + soft_serial_target_init(transactions, TID_LIMIT(transactions)); +} + +// 0 => no error +// 1 => slave did not respond +// 2 => checksum error +int serial_update_buffers(int master_update) +{ + int status, smatstatus; + static int need_retry = 0; + + if( s_change_old != s_change_new ) { + smatstatus = soft_serial_transaction(GET_SLAVE_BUFFER); + if( smatstatus == TRANSACTION_END ) { + s_change_old = s_change_new; +#ifdef CONSOLE_ENABLE + uprintf("slave matrix = %b %b %b %b %b\n", + serial_slave_buffer[0], serial_slave_buffer[1], + serial_slave_buffer[2], serial_slave_buffer[3], + serial_slave_buffer[4] ); +#endif + } + } else { + // serial_slave_buffer dosen't change + smatstatus = TRANSACTION_END; // dummy status + } + + if( !master_update && !need_retry) { + status = soft_serial_transaction(GET_SLAVE_STATUS); + } else { + status = soft_serial_transaction(PUT_MASTER_GET_SLAVE_STATUS); + } + if( status == TRANSACTION_END ) { + s_change_new = slave_buffer_change_count; + need_retry = 0; + } else { + need_retry = 1; + } + return smatstatus; +} + +#endif // SERIAL_USE_MULTI_TRANSACTION +#endif /* USE_SERIAL */ |