CCF_100/InfiniTime
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[WIP] Max SPI speed reached (119ms for a full refresh. Theo max : 240*240*16 = 115.2ms) using IRQ and DMA.

Browse Source 
Code needs some cleaning before integration.
This commit is contained in:
JF
2020-01-22 21:08:53 +01:00
parent aa3e5c0c6f
commit eb7a1b3ac9
8 changed files with 114 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/drivers/SpiMaster.h
View File

@@ -23,9 +23,9 @@ namespace Pinetime {
SpiMaster(const SpiModule spi, const Parameters& params);
bool Init();
bool Write(const uint8_t* data, size_t size);
bool WriteRepeat(const uint8_t *data, size_t size, int repeat);
bool Write(const uint8_t* data, size_t size, size_t r = 0);
void setup_workaround_for_ftpan_58(NRF_SPIM_Type *spim, uint32_t ppi_channel, uint32_t gpiote_channel);
void Wait();
void Sleep();
void Wakeup();
@@ -33,7 +33,8 @@ namespace Pinetime {
bool GetStatusEnd();
bool GetStatusStarted();
void irq();
void irqEnd();
void irqStarted();
private:
NRF_SPIM_Type * spiBaseAddress;
@@ -42,11 +43,13 @@ namespace Pinetime {
SpiMaster::SpiModule spi;
SpiMaster::Parameters params;
std::atomic<bool> busy {false};
volatile bool busy = false;
uint32_t bufferAddr = 0;
volatile uint32_t currentBufferAddr = 0;
size_t bufferSize = 0;
volatile size_t currentBufferSize = 0;
volatile uint32_t repeat = 0;
};
}
}