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stm32-l053r8-em9304: check slave status byte sts2 also for read

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This commit is contained in:
Matthias Ringwald 2017-06-27 15:33:29 +02:00
parent 2cad5cea85
commit d7af57ab1f
1 changed files with 11 additions and 1 deletions
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12
port/stm32-l053r8-em9304/port.c
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@ -228,6 +228,7 @@ static void hal_spi_em9304_process(btstack_data_source_t *ds, btstack_data_sourc
switch (hal_spi_em9304_state){
case SPI_EM9304_IDLE:
// RDY && space in RX Buffer
// if (hal_spi_em9304_rdy() && hal_spi_em9304_rx_free_bytes() && hal_uart_dma_rx_len){
if (hal_spi_em9304_rdy() && hal_spi_em9304_rx_free_bytes()){
// chip select
HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_RESET);
@ -247,7 +248,16 @@ static void hal_spi_em9304_process(btstack_data_source_t *ds, btstack_data_sourc
break;
case SPI_EM9304_RX_READ_COMMAND_SENT:
// check slave status
log_debug("RX: STS1 0x%02X, STS2 0x%02X", hal_spi_em9304_slave_status[0], hal_spi_em9304_slave_status[1]);
if ((hal_spi_em9304_slave_status[0] != STS_SLAVE_READY)){
// chip deselect
HAL_GPIO_WritePin(SPI1_CSN_GPIO_Port, SPI1_CSN_Pin, GPIO_PIN_SET);
// retry
hal_spi_em9304_state = SPI_EM9304_IDLE;
break;
}
bytes_ready = hal_spi_em9304_slave_status[1];
bytes_to_read = bytes_ready;
if (bytes_to_read > hal_spi_em9304_rx_free_bytes()){
@ -285,9 +295,9 @@ static void hal_spi_em9304_process(btstack_data_source_t *ds, btstack_data_sourc
break;
case SPI_EM9304_TX_WRITE_COMMAND_SENT:
log_debug("TX: STS1 0x%02X, STS2 0x%02X", hal_spi_em9304_slave_status[0], hal_spi_em9304_slave_status[1]);
// check slave status and rx buffer space
log_debug("TX: STS1 0x%02X, STS2 0x%02X", hal_spi_em9304_slave_status[0], hal_spi_em9304_slave_status[1]);
max_bytes_to_send = hal_spi_em9304_slave_status[1];
if ((hal_spi_em9304_slave_status[0] != STS_SLAVE_READY) || (max_bytes_to_send == 0)){
// chip deselect