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nrf5/hal: Updating hal_twi.c with tx function. Gets multiple startup bytes for each clocked byte.

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This commit is contained in:
Glenn Ruben Bakke 2017-02-02 22:55:25 +01:00
parent fed06e278b
commit c7162720c1
1 changed files with 12 additions and 2 deletions
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14
nrf5/hal/hal_twi.c
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@ -50,7 +50,7 @@ void hal_twi_master_init(NRF_TWI_Type * p_instance, hal_twi_init_t const * p_twi
p_instance->FREQUENCY = hal_twi_frequency_lookup[p_twi_init->freq];
p_instance->ENABLE = (TWI_ENABLE_ENABLE_Enabled << TWI_ENABLE_ENABLE_Pos);
}
#include <stdio.h>
void hal_twi_master_tx(NRF_TWI_Type * p_instance,
uint8_t addr,
uint16_t transfer_size,
@ -62,16 +62,26 @@ void hal_twi_master_tx(NRF_TWI_Type * p_instance,
p_instance->ADDRESS = addr;
while (number_of_txd_bytes < transfer_size) {
p_instance->TXD = (uint32_t)(tx_data[number_of_txd_bytes]);
p_instance->EVENTS_TXDSENT = 0;
p_instance->TXD = tx_data[number_of_txd_bytes];
p_instance->TASKS_STARTTX = 1;
// wait for the transaction complete
while (p_instance->EVENTS_TXDSENT == 0) {
;
}
number_of_txd_bytes++;
}
if (stop) {
p_instance->EVENTS_STOPPED = 0;
p_instance->TASKS_STOP = 1;
while (p_instance->EVENTS_STOPPED == 0) {
;
}
}
}
void hal_twi_master_rx(NRF_TWI_Type * p_instance,