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This commit is contained in:
lilian 2016-11-26 15:14:40 +01:00
parent f19fdc37be
commit 20ab2176fb
3 changed files with 65 additions and 65 deletions
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50
examples/spi_test/spi_test.c
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@ -22,43 +22,43 @@
void loop(void *pvParameters)
{
uint32_t time = 0 ; // SPI transmission time
float avr_time = 0 ; // Average of SPI transmission
float u = 0 ;
uint32_t time = 0 ; // SPI transmission time
float avr_time = 0 ; // Average of SPI transmission
float u = 0 ;
spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_LITTLE_ENDIAN, false); // init SPI module
spi_init(1, SPI_MODE0, SPI_FREQ_DIV_1M, 1, SPI_LITTLE_ENDIAN, false); // init SPI module
while(1) {
while(1) {
time = sdk_system_get_time();
time = sdk_system_get_time();
spi_set_command(1,1,1) ; // Set one command bit to 1
spi_set_address(1,4,8) ; // Set 4 address bits to 8
spi_set_dummy_bits(1,4,false); // Set 4 dummy bit before Dout
spi_set_command(1,1,1) ; // Set one command bit to 1
spi_set_address(1,4,8) ; // Set 4 address bits to 8
spi_set_dummy_bits(1,4,false); // Set 4 dummy bit before Dout
spi_repeat_send_16(1,0xC584,10); // Send 1 bit command + 4 bits address + 4 bits dummy + 160 bits data
spi_repeat_send_16(1,0xC584,10); // Send 1 bit command + 4 bits address + 4 bits dummy + 160 bits data
spi_clear_address(1); // remove address
spi_clear_command(1); // remove command
spi_clear_dummy(1); // remove dummy
spi_clear_address(1); // remove address
spi_clear_command(1); // remove command
spi_clear_dummy(1); // remove dummy
time = sdk_system_get_time() -time ;
avr_time = ((avr_time * (float)u ) + (float)time)/((float)u+1.0) ; // compute average
u++;
if (u==100) {
u=0 ;
printf("Time: %f\n",avr_time);
}
vTaskDelay(100/portTICK_PERIOD_MS);
}
time = sdk_system_get_time() -time ;
avr_time = ((avr_time * (float)u ) + (float)time)/((float)u+1.0) ; // compute average
u++;
if (u==100) {
u=0 ;
printf("Time: %f\n",avr_time);
}
vTaskDelay(100/portTICK_PERIOD_MS);
}
}
void user_init(void)
{
uart_set_baud(0, 115200);
printf("SDK version:%s\n", sdk_system_get_sdk_version());
xTaskCreate(loop, "loop", 1024, NULL, 2, NULL);
uart_set_baud(0, 115200);
printf("SDK version:%s\n", sdk_system_get_sdk_version());
xTaskCreate(loop, "loop", 1024, NULL, 2, NULL);
}