diff options
author | Rob Austein <sra@hactrn.net> | 2017-12-13 14:15:45 -0500 |
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committer | Rob Austein <sra@hactrn.net> | 2017-12-13 14:17:46 -0500 |
commit | bc167c214e97ed35f39d088a7dee3f1a9511340e (patch) | |
tree | 7143f5fef99dfe4f605f42664ffc58b904589a5f /hal_io_i2c.c | |
parent | e5d8d558e954addf0e26ff887e9494d216da2225 (diff) | |
parent | 238e33e53195385dac51e18fffd0f4511244c560 (diff) |
Merge branch systolic_crt into master.
This branch was sitting for long enough that master had been through a
cleanup pass, so beware of accidental reversions.
Diffstat (limited to 'hal_io_i2c.c')
-rw-r--r-- | hal_io_i2c.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/hal_io_i2c.c b/hal_io_i2c.c index e7dbbb6..8596174 100644 --- a/hal_io_i2c.c +++ b/hal_io_i2c.c @@ -301,53 +301,6 @@ hal_error_t hal_io_read(const hal_core_t *core, hal_addr_t offset, uint8_t *buf, return HAL_OK; } -hal_error_t hal_io_init(const hal_core_t *core) -{ - uint8_t buf[4] = { 0, 0, 0, CTRL_INIT }; - return hal_io_write(core, ADDR_CTRL, buf, 4); -} - -hal_error_t hal_io_next(const hal_core_t *core) -{ - uint8_t buf[4] = { 0, 0, 0, CTRL_NEXT }; - return hal_io_write(core, ADDR_CTRL, buf, 4); -} - -hal_error_t hal_io_wait(const hal_core_t *core, uint8_t status, int *count) -{ - hal_error_t err; - uint8_t buf[4]; - int i; - - for (i = 1; ; ++i) { - - if (count && (*count > 0) && (i >= *count)) - return HAL_ERROR_IO_TIMEOUT; - - if ((err = hal_io_read(core, ADDR_STATUS, buf, 4)) != HAL_OK) - return err; - - if (buf[3] & status) { - if (count) - *count = i; - return HAL_OK; - - } - } -} - -hal_error_t hal_io_wait_ready(const hal_core_t *core) -{ - int limit = 10; - return hal_io_wait(core, STATUS_READY, &limit); -} - -hal_error_t hal_io_wait_valid(const hal_core_t *core) -{ - int limit = 10; - return hal_io_wait(core, STATUS_VALID, &limit); -} - /* * Local variables: * indent-tabs-mode: nil |